WO2007056718A2 - Carton having tear-away feature for shipping and handling multiple packages of products - Google Patents

Carton having tear-away feature for shipping and handling multiple packages of products Download PDF

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Publication number
WO2007056718A2
WO2007056718A2 PCT/US2006/060592 US2006060592W WO2007056718A2 WO 2007056718 A2 WO2007056718 A2 WO 2007056718A2 US 2006060592 W US2006060592 W US 2006060592W WO 2007056718 A2 WO2007056718 A2 WO 2007056718A2
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WO
WIPO (PCT)
Prior art keywords
panel
carton
flap
edge
top panel
Prior art date
Application number
PCT/US2006/060592
Other languages
French (fr)
Other versions
WO2007056718A3 (en
Inventor
Rick Borek
Jody Brittain
Original Assignee
Georgia-Pacific Corrugated Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Georgia-Pacific Corrugated Llc filed Critical Georgia-Pacific Corrugated Llc
Publication of WO2007056718A2 publication Critical patent/WO2007056718A2/en
Publication of WO2007056718A3 publication Critical patent/WO2007056718A3/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00—Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42—Details of containers or of foldable or erectable container blanks
    • B65D5/54—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing
    • B65D5/5405—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing for opening containers formed by erecting a blank in tubular form
    • B65D5/542—Lines of weakness to facilitate opening of container or dividing it into separate parts by cutting or tearing for opening containers formed by erecting a blank in tubular form the lines of weakness being provided in the container body

Definitions

  • This invention relates generally to cartons, and blanks for forming such cartons, for shipping and handling various products.
  • Such products can include, for example, packages of food snack products.
  • the carton of this invention uses reduced amounts of material to form the carton and incorporates a tear-away feature that provides easy access to the products contained in the carton.
  • FIG. 1 Another carton style that is machine assembled is a bliss style carton, which is formed from multiple blanks. In this style, the main wrapper blank is joined to the other blank pieces before the product is loaded into it.
  • This style of carton is popular because it has stacking strength and is display-ready, i.e. it can be easily converted to a configuration that allows the products inside the carton to be displayed for sale to the ultimate consumer.
  • Most of these styles of cartons typically work for their intended purpose but they could be improved.
  • the materials used to manufacture the cartons can be a significant source of cost for carton manufacturers.
  • these cartons could be improved if lesser amounts of material were used to form the carton without adversely affecting the structural integrity of the resulting carton or decreasing the volume of product that can be located inside the carton.
  • the carton when the carton is converted to a display configuration, some of the strength of the carton can be compromised because a significant amount of carton material must be removed to allow display of the products. Finally, the carton typically is not stackable after the carton has been converted to its display configuration because of the significant amount of the carton material that has been removed.
  • the carton of this invention is formed from a blank that efficiently uses the raw material for forming the blank.
  • the blank includes perforations and fold lines that allow a display ready carton to be formed with minimal effort.
  • the resulting carton is display ready, allows easy access to the products contained therein and is capable of containing an appropriate volume of products therein.
  • the carton still has the desired physical properties to store the products contained therein and allows multiple cartons to be stacked on top of each other.
  • FIG. 1 is a perspective view of a first embodiment of the carton of this invention in its shipping configuration
  • FIG. 2 is a perspective view of the first embodiment of the carton of this invention in its open/display configuration
  • FIG. 3 is plan view of a blank for the carton of HG. I ;
  • FIG. 4 is perspective view of a second embodiment of the carton of this invention in its shipping configuration
  • FIG. 5 is a perspective view of the second embodiment of the carton of this invention in its open/display configuration
  • FIG. 6 is a plan view of the blank for the carton of FIG.4;
  • FIG. 7 is perspective view of (a third embodiment of the carton of this invention in its shipping configuration
  • FIG. 8 is a perspective view of the third embodiment of the carton of thLs invention in its open/display configuration.
  • FIG. 9 is a plan view of the blank for the carton of FIG. 7.
  • a fold line may be a thin band of a weaken region of material. The thin band can be formed by conventional manufacturing methods in the paperboard art. Alternatively, the fold line may be simply a predetermined line for folding of the blank without a weaken area. Perforations are formed from a cutting die that has a number of cutting surfaces. These cutting surfaces cut or slit the material to form the perforations.
  • the carton 100 is assembled by folding and adhering together portions of the blank 200.
  • One significant aspect of this embodiment of the invention is that the entire carton 100 can be formed with one blank. This eliminates the need for separate tops and bottoms and thus separate blanks are unnecessary.
  • perforation line 215 is formed in blank 200 along a portion of the top perimeter of carton 100 and across two corners thereof to create an easy opening top for carton 100.
  • this invention contemplates that the perforation line does not extend along the perimeter of the carton but could be located inward of the perimeter and that the perforation line does not extend completely around the top of the carton.
  • Blank 200 includes four main panels, a top panel 210, a first end panel 220, a bottom panel 230 and a second end panel 240, Blank 200 also includes an adhesive tab 250, which is connected along its right side to the left side of top panel 210 along a first vertical fold line 201.
  • Top panel 210 is connected along its right side to the left side of first end panel 220 along a second vertical fold line 202.
  • First end panel 220 is connected along its right side to the left side of bottom panel 230 along a third vertical fold line 203.
  • Bottom panel 230 is connected along its right side to the left side of second end panel 240 along a fourth vertical fold line 204.
  • Each of top panel 210, first end panel 220, bottom panel 230, and second end panel 240 includes a top flap defined above a first horizontal fold line 260 and a bottom flap defined below a second horizontal fold line 270.
  • Top panel top flap 210A is adjacent to top panel 210 above first horizontal fold line 260 while top panel bottom flap 210B is adjacent to top panel 210 below second horizontal fold line 270.
  • First end panel top flap 220A is adjacent to first end panel 220 above first horizontal fold line 260 while first end panel bottom flap 220B is adjacent to first end panel 220 below second horizontal fold line 270.
  • Bottom panel top flap 230A is adjacent to bottom panel 230 above first horizontal fold line 260 while bottom panel bottom flap 230B is adjacent to bottom panel 230 below second horizontal fold line 270.
  • Second end panel top flap 240A is adjacent to second end panel 240 above first horizontal fold line 260 while second end panel bottom flap 240B is adjacent to second end panel 240 below second horizontal fold line 270.
  • top panel top flap 210A, top panel bottom flap 210B, first end panel top flap 220A, first end panel bottom flap 220B, bottom panel top flap 230A, bottom panel bottom flap 230B, second end panel top flap 240A, and second end panel bottom flap 240B have substantially the same height.
  • top panel top flap 210A, top panel bottom flap 210B, bottom panel top flap 230A and bottom panel bottom flap 230B have substantially the same width.
  • first end panel top flap 220A, first end panel bottom flap 220B, second end panel top flap 240A and second end panel bottom flap 240B also have substantially the same width.
  • Perforation line 215 is formed in top panel 210 and extends diagonally across the two left corners of that panel.
  • perforation line 215 extends from an upper portion of the left end of adhesive tab 250 generally perpendicular thereto to first vertical fold line 201, then diagonally to a left portion of first horizontal fold, line 260, along first horizontal fold line 260 to and along second vertical fold line 202 toward and along second horizontal fold line 270 toward adhesive tab 250, then, at a point long the left portion of second horizontal fold line 270, diagonally to a lower portion of first vertical line 201 and then, at a point along the lower portion of first vertical fold line 201, generally perpendicular to first vertical fold line 201 to the left edge of adhesive tab 250.
  • This configuration for perforation line 215 allows top panel 210 to be removed except for two triangular portions 280A and 280B.
  • the removal of top panel 210 provides ready access to the products contained in carton 100 and also displays those products therein.
  • the triangular portions provide support to allow other cartons to be stacked on top of carton 200 when top panel 210 has been removed and carton 100 has been put in its open/display configuration. Importantly, these triangular portions minimize the risk that one carton will fall or otherwise tip into the inside of the carton below it.
  • the size and specific configuration of tri angular portions 280 A and 2S0B can be varied by changing the location where perforation line 215 intersects first vertical fold line 201, first horizontal fold line 260 and second horizontal fold line 270. The appropriate size and configuration is determined by striking a balance between larger triangular portions for added stacking surface area and structural integrity to the carton and a large access opening to the inside of the carton and can be varied based on the specific needs of the manufacturer.
  • blank 200 is folded along first vertical fold line 201, second vertical fold line 202, third vertical fold line 203 and fourth vertical fold line 204 so that each of the adjacent panels, i.e. top panel 210, first end panel 220, bottom panel 230, second end panel 240, and adhesive Lab 250 are generally perpendicular to each other.
  • adhesive tab 250 adjacent to second end panel 240 so that first vertical fold line 201 can be aligned with the right edge of second end panel 240.
  • adhesive tab 250 ca ⁇ be glued, stapled or otherwise adhered by conventional means to second end panel 240 to form a box configuration that is open on both of its two sides.
  • top and bottom flaps are folded inward along first horizontal fold U ⁇ e 260 and second horizontal fold line 270.
  • First end panel top flap 220A and second end panel top flap 240A are folded first and then top panel top flap 210A and bottom panel top flap 230A are folded second so that top panel top flap 210A and bottom panel top flap 230A ate on the outside of carton 100.
  • top panel top flap 21 OA and bottom panel top flap 23OA could be folded first so that top panel top flap 210A and bottom, panel top flap 230A are on the inside of first end panel top flap 220A and second end panel top flap 240A inside of carton 100.
  • first end panel bottom flap 220B and second end panel bottom flap 240B are folded first and then top panel bottom flap 210B and bottom panel bottom flap 230B are folded second so that top panel bottom flap 210B and bottom panel bottom flap 230B are on the outside of carton 100.
  • top panel bottom flap 21 OB and bottom panel bottom flap 230B could be folded first so that top panel bottom flap 210B and bottom panel bottom flap 230B are on the inside of first end panel bottom flap 22OB and second end panel bottom flap 240B inside of carton 100.
  • the top and bottom flaps are glued, stapled or otherwise adhered to each other by standard fastening means.
  • carton 100 typically, products to be shipped and handled in carton 100 are placed on bottom panel 230 first and blank 200 rs folded around the product.
  • blank 200 has been folded as described above, the resulting carton 100, with the product contained therein, can be shipped to the ultimate retail destination.
  • FIGS.4 - 6 A second embodiment of the carton and blank of this invention is shown in FIGS.4 - 6, This embodiment is substantially identical to the embodiment of FIGS. 1 - 3, except in this embodiment the perforation line extends across all four corners of the top of the carton. This provides even greater surface stacking area and structural integrity to the carton. Because of the similarity between this embodiment and the embodiment of FIGS. 1 -3, the same reference numbers used for describing the embodiment of FIGS. 1 - 3 will be used to describe the same features of the embodiment of FIGS, 4 — 6 except that a prime (') will be used to indicate that those items are for the different embodiment.
  • a prime (') will be used to indicate that those items are for the different embodiment.
  • Blank 200' includes four main panels, a top panel 210', a First end panel 220", a bottom panel 230' and a second end panel 240'. Blank 200' also includes an adhesive tab 250', which is connected along its right side to the left vSide of top panel 210' along a first vertical fold line 201 ⁇ Top panel 210' is connected along its right side to the left side of first end panel 220° along a second vertical fold line 202', First end panel 220' is connected along its right side to the left side of bottom panel 230' along a third vertical ibid line 203'. Bottom panel 230 " is connected along its right side to the left side of second end panel 240' along a fourth vertical fold line 204'.
  • Each of top panel 210% first end panel 220', bottom panel 230', and second end panel 240 s includes a lop flap defined above a first horizontal fold line 260' and a bottom flap defined below a second horizontal fold line 270'.
  • Top panel top flap 210 A' is adjacent to top panel 210' above first horizontal fold line 260' while top panel bottom flap 210B' is adjacent to top panel 210' below second horizontal fold line 270'.
  • First end panel top flap 220A' is adjacent to first end panel 220' above first horizontal fold line 260' while first end panel bottom flap 220B' is adjacent to first end panel 220' below second horizontal fold line 270'.
  • Bottom panel top flap 230A' is adjacent to bottom panel 230' above first horizontal fold line 260' while bottom panel bottom flap 230B' is adjacent to bottom panel 230' below second horizontal fold line 270'.
  • Second end panel top flap 240A' is adjacent to second end panel 240' above first horizontal fold line 260' while second end pane! bottom flap 240B' is adjacent to second end panel 240' below second horizontal fold line 270'.
  • top panel top flap 210A', top panel bottom flap 210B', first end panel top flap 220A', first end panel bottom flap 220B', bottom panel top flap 230A', bottom panel bottom flap 230B', second end panel top flap 240A', and second end pane! bottom flap 240B' have substantially the same height.
  • top panel top flap 210A', top panel bottom flap 210B', bottom panel top flap 230A' and bottom panel bottom flap 230B' have substantially the same width.
  • first end panel top flap 220A', first end panel bottom flap 220B ⁇ second end panel top flap 240A' and second end panel bottom flap 240B' also have substantially the same width.
  • Perforation line 215' is formed in top panel 210' and extends diagonally across ail four corners of that panel.
  • perforation line 215' extends from an upper portion of the left end of adhesive tab 250' generally perpendicular thereto to first vertical fold line 201', then diagonally to a left portion of first horizontal fold line 260', along first horizontal fold line 260' to aright portion thereof in top panel 210', then diagonally to an upper portion of second vertical fold line 202', along second vertical fold line 202' toward second horizontal fold line 270'. then at a lower portion of second vertical fold line 202' diagonally to second horizontal fold line 270' along a right portion thereof in top panel 210'.
  • top panel 210' is removed except for four triangular portions 280A', 280B', 280C and 280D. The removal of top panel 210' provides ready access to the products contained in carton IOO 7 and also displays those products therein.
  • the triangular portions provide support to allow other cartons to be stacked on top of carton 200' when top panel 210' has been removed and carton 100' has been put in its open/display configuration.
  • the specific size and configuration of triangular portions 280A", 280B', 280C and 280D can be varied by varying the location where perforation line 215' intersects first vertical fold line 201', first horizontal fold line 260', second vertical fold line 202' and second horizontal fold line 270'.
  • this invention also encompasses the use of one or three triangular portions.
  • a pair of cut outs 290A and 290B can be formed along a left side of the portion of top panel 210' that is to be removed. Cut ⁇ uts 290A and 290B facilitate manipulation of top panel 210" to allow a user to remove a portion of top panel 210' t ⁇ provide access to the interior of the carton. Such cut outs can also be incorporated into the carton and blank of the embodiment ⁇ f FIGS. 1 - 3. [0027] To assemble carton 100', blank 200' is folded along first vertical fold line 201', second vertical fold line 202 ⁇ third vertical fold line 203' and fourth vertical fold line 204' so that each of the adjacent panels, i.e.
  • top panel 210', first end panel 220', bottom panel 230', second end panel 240', and adhesive tab 250' are generally perpendicular to each other. This will put adhesive tab 250' adjacent to second end panel 240' so that first vertical fold line 201' can be aligned with the right edge of second end panel 240'. When in this position, adhesive tab 250' can be glued, stapled or otherwise adhered by conventional raearis to second end panel 240' to form a box configuration that is open on both of its two sides. Thereafter, the top and bottom flaps are folded inward along first horizontal fold line 260' and second horizontal fold line 270'.
  • First end panel top flap 220A' and second end panel top flap 240A' are folded first and then top panel top flap 210A' and bottom panel top flap 230A' are folded second so that top panel top flap 210A' and bottom panel top flap 230A' are on the outside of carton 100'.
  • top panel top flap 210A' and bottom panel top flap 23OA' could be folded first so that top panel top flap 210A' and bottom panel top flap 230A' are on the inside of first end panel top flap 220A' and second end panel top flap 240A' inside of carton 100' .
  • first end panel bottom flap 220B' and second end panel bottom flap 240B' are folded first and then top panel bottom flap 210B' and bottom panel bottom flap 230B' are folded second so that top panel bottom flap 210B' and bottom panel bottom flap 230B' are on the outside of carton 100'.
  • top panel bottom flap 210B' and bottom panel bottom flap 230B' could be folded first so that top panel bottom flap 210B' and bottom panel bottom flap 230B' are on the inside of first end panel bottom flap 220B' and second end panel bottom flap 240B' inside of carton 100'.
  • the top and bottom flaps are glued, stapled or otherwise adhered to each other by standard fastening means .
  • Blank 400 includes five main panels, a first top panel 410, a first side panel 420, a bottom panel 430, a second side panel 440 and a second top panel 450.
  • First top panel 410 is connected along its right side to the left side of first side panel 420 along a first vertical fold line 401.
  • First side panel 420 is connected along its right side to the left side of bottom panel 430 along a second vertical fold line 402.
  • Bottom panel 430 is connected along its right side to the left side of second side panel 440 along a third vertical fold line 403.
  • Second side panel 440 is connected along its right side to the left side of second top panel 450 aiong fourth vertical line 404,
  • Each of first top panel 410, first side panel 420, bottom panel 430, second side panel 440 and second top panel 450 includes a top flap defined above a first horizontal fold line 460 and a bottom flap defined below a second horizontal fold line 470.
  • First top panel top flap 410A is adjacent to first top panel 410 above first horizontal fold line 460 while firsf top panel bottom flap 410B is adjacent to first top panel 410 below second horizontal fold line 470.
  • First side panel top flap 420A is adjacent to first side panel 420 above first horizontal fold line 460 while first side panel bottom flap 420B is adjacent to first side panel 420 below second horizontal fold line 470.
  • Bottom panel top flap 430A is adjacent to bottom panel 430 above first horizontal fold line 460 while bottom panel bottom flap 430B is adjacent to bottom panel 430 below second horizontal fold tine 470.
  • Second side panel top flap 440A is adjacent to second side panel 440 above first horizontal fold line 460 while second side panel bottom flap 440B is adjacent to second side panel 440 below second horizontal fold line 270.
  • Second top panel top flap 45GA is adjacent to second top panel 450 above first horizontal fold line 460 while second top panel bottom flap 450B is adjacent to second top panel 450 below second horizontal fold line 470.
  • top and bottom flaps i.e. first top panel top flap 410A, first top panel bottom flap 410B, first side panel top flap 420A, first side panel bottom flap 420B, bottom panel top flap 430A, bottom panel bottom flap 430B, second side panel top flap 440A, second side panel bottom flap 440B, second top panel Cop flap 450A and second top panel bottom flap 450B have substantially the same height.
  • first top panel top flap 410A, first top panel bottom flap 410B, second top panel top flap 450A and second top panel bottom flap 450B have substantially Lhe same width.
  • first side panel top flap 420A, first side panel bottom flap 420B, second side panel top flap 440A and second side panel bottom flap 440B also have substantially the same width.
  • bottom panel top flap 430A and bottom panel bottom ilap 430B have substantially the same width, ⁇ [0030]
  • Perforation line 415 A extends across first top panel 410 and first side panel 420.
  • perforation line 41.5B extends across second top panel 450 and second side panel 440.
  • Perforation lines 415A and 415B extend diagonally across the top and bottom of First top panel 410 and second bottom panel 450 respectively.
  • triangular portions 480A, 480B, 4S0C, and 480D can be formed in the top comets of carton 300.
  • the specific size and configuration of triangular portions 4S0A, 480B, 480C and 480D can be varied by varying the location where perforation lines 415 A and 415B intersect first horizontal fold line 460, second horizontal fo ⁇ d line 470 and, in the case of triangular portions 480A and 480B, first vertical fold line 401 and, in the case of triangular portions 480C and 480D, fourth vertical fold line 404.
  • this invention contemplates the use of one, two or three triangular portions as well.
  • perforation line 415 A extends from an upper portion of the left end of first top panel 410 diagonally down to first vertical fold line 401, then generally perpendicular thereto to a right portion of first side panel 420, then generally vertically toward second horizontal fold line 470, then generally horizontally to first vertical fold line 401 along a lower portion thereof and then diagonally across first top panel 410 to a lower portion of the left edge of first top panel 410.
  • Notch 490A may be formed in first side panel 420 along perforation line 415A to facilitate tearing of blank 400 along perforation line 415 A.
  • perforation line 415 A could intersect first horizontal fold line 460 and second horizontal fold line 470 anywhere along their length in first top panel 410.
  • Perforation line 415B is preferably a mirror image of perforation line 415A- Specifically, perforation Hne 41 SB extends from an upper portion of the right edge of second top panel 450 diagonally down to fourth vertical fold line 404, then generally perpendicular thereto Io a left portion of second side panel 440, then generally vertically toward second horizontal fold line 470, then generally horizontally to fourth vertical fold line 404 along a lower portion thereof and then diagonally across second top panel 450 to a lower portion of the right edge of second top panel 450.
  • Notch 490B may be formed in second side panel 440 along perforation line 415BA to facilitate tearing of blank 400 along perforation Hne 4L5B.
  • perforation line 415B couJd intersect first horizontal fold line 460 and second horizontal fold line 470 anywhere along their length in second top panel 450, 'The removal of portions of first top panel 410, first side panel 420, second side panel 440 and second top panel 450 provides ready access to the products contained in carton 300 and also displays tho.se products therein.
  • the triangular portions provide support to allow other cartons to be stacked on top of carton 300 when it has been put in its open/display configuration.
  • perforation lines 415A and 41.5B Although this embodiment is described with two perforation lines 415A and 41.5B, it is within the scope of this invention to use only one of the perforation lines. In addition, it is within the scope of this invention to have perforation lines 415A and 415B extend only along top panels 410 and 450 respectively. In such an embodiment, perforation line 415A would extend vertically along first vertical fold line 401, or along a right portion of top panel 410, and would not extend into first end panel 420. Similarly, perforation line 415B would extend vertically along fourth vertical fold line 404, or along a left portion of second top panel 450 and would not extend into second end panel 440.
  • first vertical fold line 401 second vertical fold line 402, third vertical fold line 403 and fourth vertical fold line 404 so that each of the adjacent panels, i.e. first top panel 410, first side panel 420, bottom panel 430, and second side panel 440 are generally perpendicular to each other.
  • Second top panel 450 would be generally perpendicular to second side panel 440 but generally aligned with first top panel 410. This will put the left edge of first top panel 410 in proximity to the right edge of second top panel 450.
  • top and bottom flaps When in this position, the top and bottom flaps may be folded inward along first horizontal fold line 460 and second horizontal fold line 470, First top panel top flap 410A, first side panel top flap 420A, bottom panel top flap 430A, second side panel top flap 440A and second top panel top flap 450A are folded and adhered by standard means to a separate end panel (301 in FIG. 8) in standard bliss type carton fabrication technique. Similarly, first Lop panel bottom flap 41.0B, first side panel bottom flap 420B, bottom panel bottom flap 430B, second side panel bottom flap 440B and second top panel bottom flap 450B are folded and adhered by standard means to a separate side panel (302 in FIGS. 7 and S) in standard bliss type carton fabrication technique. Typically, products to be shipped and handled in carton 300 are placed on bottom panel 430 first and blank 400 is folded around the product. Thus when blank 400 has been folded as described above, the resulting carton 300, with the product contained therein, can be shipped to the ultimate retail destination.

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Abstract

A carton is provided that may be used for multiple packages of various products, such as food snack items, and includes a tear-away feature that allows ready access to and display of the products. The carton in its open/display configuration still has sufficient strength to allow other cartons to be stacked on top of each other. The carton may be formed from a blank of paperboard or corrugated board.

Description

CARTON HAVING TEAR-AWAY FEATURE FOR SHIPPING AND HANDLING MULTIPLE PACKAGES OF PRODUCTS
This application claims the benefit of U.S. Provisional Application Serial No. 60/734,381 filed November 1 , 2005, the entire contents of which are hereby expressly incorporated by reference.
TECHNICAL FIELD
[0001] This invention relates generally to cartons, and blanks for forming such cartons, for shipping and handling various products. Such products can include, for example, packages of food snack products. The carton of this invention uses reduced amounts of material to form the carton and incorporates a tear-away feature that provides easy access to the products contained in the carton.
BACKGROUND
[0002] Manufacturers typically ship products, individual items or products packaged in small boxes, in. a variety of different types of light weight paperboard containers. One particular type of carton has a wrap-around style, In this type of a carton, the product to be shipped and handled is placed on a portion of the carton blank that forms the bottom of the carton. The carton is then formed around the product by gluing the appropriate portions of the blank together. This style of carton is used mainly because it is easy to load and thus provides production efficiencies. For example, wrap-around style cartons can be run at higher speeds, there is less downtime when these styles of cartons are run and they tend to be less expensive.
[0003] Another carton style that is machine assembled is a bliss style carton, which is formed from multiple blanks. In this style, the main wrapper blank is joined to the other blank pieces before the product is loaded into it. This style of carton is popular because it has stacking strength and is display-ready, i.e. it can be easily converted to a configuration that allows the products inside the carton to be displayed for sale to the ultimate consumer. Most of these styles of cartons typically work for their intended purpose but they could be improved. For example, the materials used to manufacture the cartons can be a significant source of cost for carton manufacturers. Thus, these cartons could be improved if lesser amounts of material were used to form the carton without adversely affecting the structural integrity of the resulting carton or decreasing the volume of product that can be located inside the carton. In addition, when the carton is converted to a display configuration, some of the strength of the carton can be compromised because a significant amount of carton material must be removed to allow display of the products. Finally, the carton typically is not stackable after the carton has been converted to its display configuration because of the significant amount of the carton material that has been removed.
SUMMARY
[0004] The carton of this invention is formed from a blank that efficiently uses the raw material for forming the blank. The blank includes perforations and fold lines that allow a display ready carton to be formed with minimal effort. The resulting carton is display ready, allows easy access to the products contained therein and is capable of containing an appropriate volume of products therein. In addition, with the carton converted to its display configuration, the carton still has the desired physical properties to store the products contained therein and allows multiple cartons to be stacked on top of each other.
BRIEF DESCRIPTION OF THE DRAWINGS
[0005] The invention will be described in detail in the following description of preferred embodiments with reference to the following figures in which like reference numbers refer to like parts and wherein:
[0006] FIG. 1 is a perspective view of a first embodiment of the carton of this invention in its shipping configuration; [0007] FIG. 2 is a perspective view of the first embodiment of the carton of this invention in its open/display configuration;
[0008] FIG. 3 is plan view of a blank for the carton of HG. I ;
[0009] FIG. 4 is perspective view of a second embodiment of the carton of this invention in its shipping configuration;
[0010] FIG. 5 is a perspective view of the second embodiment of the carton of this invention in its open/display configuration;
[OOllj FIG. 6 is a plan view of the blank for the carton of FIG.4;
[0012] FIG. 7 is perspective view of (a third embodiment of the carton of this invention in its shipping configuration;
[0013] FIG. 8 is a perspective view of the third embodiment of the carton of thLs invention in its open/display configuration; and
[0014] FIG. 9 is a plan view of the blank for the carton of FIG. 7.
DETAILED DESCRIPTION OFTHE PREFERRED EMBODIMENTS
[0015] The various aspects of the invention may be embodied in various forms. The following description shows by way of illustration various embodiments in which aspects of the invention may be practiced. It is to be understood that other embodiments may be utilized and structural and functional modifications may be made without departing from the scope of the present invention. In addition, it is to be understood that various different types of products, such as motor oil, can be located in the carton, and food snack products are just an example of a product that can be stored, shipped and displayed in the cartons of this invention. [0016] The blanks for the various embodiments of the cartons of this invention are cost- effective because they each have a compact design that has very little wasted material. This can be seen by the minimal empty space located within the outer periphery of the blank. Reducing the amount of blank material used to form the unitary blank reduces the amount of substrate used, thereby reducing manufacturing costs. In each of the FIGS,, the dotted lines on the blank represent either fold lines about which the blank may be folded to form the desired carton or perforation lines that allow the blank material to be removed to allow easy access to the products stored and shipped in the carton or both. The description of such lines hereinafter will identify whether the lines are fold lines, perforation lines or both. As used herein, a fold line may be a thin band of a weaken region of material. The thin band can be formed by conventional manufacturing methods in the paperboard art. Alternatively, the fold line may be simply a predetermined line for folding of the blank without a weaken area. Perforations are formed from a cutting die that has a number of cutting surfaces. These cutting surfaces cut or slit the material to form the perforations.
[0017J In the first embodiment of the carton of this invention shown in FlOS. 1 and 2, the carton 100 is assembled by folding and adhering together portions of the blank 200. One significant aspect of this embodiment of the invention is that the entire carton 100 can be formed with one blank. This eliminates the need for separate tops and bottoms and thus separate blanks are unnecessary. In order to gain access to the contents of carton 100, perforation line 215 is formed in blank 200 along a portion of the top perimeter of carton 100 and across two corners thereof to create an easy opening top for carton 100. Although not preferred, this invention contemplates that the perforation line does not extend along the perimeter of the carton but could be located inward of the perimeter and that the perforation line does not extend completely around the top of the carton. However, in each of these alternate embodiments, the access opening created by the perforation line should be large enough to provide easy access to the products contained in the carton. [0018] Blank 200 includes four main panels, a top panel 210, a first end panel 220, a bottom panel 230 and a second end panel 240, Blank 200 also includes an adhesive tab 250, which is connected along its right side to the left side of top panel 210 along a first vertical fold line 201. Top panel 210 is connected along its right side to the left side of first end panel 220 along a second vertical fold line 202. First end panel 220 is connected along its right side to the left side of bottom panel 230 along a third vertical fold line 203. Bottom panel 230 is connected along its right side to the left side of second end panel 240 along a fourth vertical fold line 204. Each of top panel 210, first end panel 220, bottom panel 230, and second end panel 240 includes a top flap defined above a first horizontal fold line 260 and a bottom flap defined below a second horizontal fold line 270. Top panel top flap 210A is adjacent to top panel 210 above first horizontal fold line 260 while top panel bottom flap 210B is adjacent to top panel 210 below second horizontal fold line 270. First end panel top flap 220A is adjacent to first end panel 220 above first horizontal fold line 260 while first end panel bottom flap 220B is adjacent to first end panel 220 below second horizontal fold line 270. Bottom panel top flap 230A is adjacent to bottom panel 230 above first horizontal fold line 260 while bottom panel bottom flap 230B is adjacent to bottom panel 230 below second horizontal fold line 270. Second end panel top flap 240A is adjacent to second end panel 240 above first horizontal fold line 260 while second end panel bottom flap 240B is adjacent to second end panel 240 below second horizontal fold line 270.
[0019] Preferably, all of the top and bottom flaps, i.e. top panel top flap 210A, top panel bottom flap 210B, first end panel top flap 220A, first end panel bottom flap 220B, bottom panel top flap 230A, bottom panel bottom flap 230B, second end panel top flap 240A, and second end panel bottom flap 240B have substantially the same height. Preferably, top panel top flap 210A, top panel bottom flap 210B, bottom panel top flap 230A and bottom panel bottom flap 230B have substantially the same width. Preferably, first end panel top flap 220A, first end panel bottom flap 220B, second end panel top flap 240A and second end panel bottom flap 240B also have substantially the same width. [0020] Perforation line 215 is formed in top panel 210 and extends diagonally across the two left corners of that panel. Preferably, perforation line 215 extends from an upper portion of the left end of adhesive tab 250 generally perpendicular thereto to first vertical fold line 201, then diagonally to a left portion of first horizontal fold, line 260, along first horizontal fold line 260 to and along second vertical fold line 202 toward and along second horizontal fold line 270 toward adhesive tab 250, then, at a point long the left portion of second horizontal fold line 270, diagonally to a lower portion of first vertical line 201 and then, at a point along the lower portion of first vertical fold line 201, generally perpendicular to first vertical fold line 201 to the left edge of adhesive tab 250. This configuration for perforation line 215 allows top panel 210 to be removed except for two triangular portions 280A and 280B. The removal of top panel 210 provides ready access to the products contained in carton 100 and also displays those products therein. The triangular portions provide support to allow other cartons to be stacked on top of carton 200 when top panel 210 has been removed and carton 100 has been put in its open/display configuration. Importantly, these triangular portions minimize the risk that one carton will fall or otherwise tip into the inside of the carton below it. The size and specific configuration of tri angular portions 280 A and 2S0B can be varied by changing the location where perforation line 215 intersects first vertical fold line 201, first horizontal fold line 260 and second horizontal fold line 270. The appropriate size and configuration is determined by striking a balance between larger triangular portions for added stacking surface area and structural integrity to the carton and a large access opening to the inside of the carton and can be varied based on the specific needs of the manufacturer.
[0021] To assemble carton 100, blank 200 is folded along first vertical fold line 201, second vertical fold line 202, third vertical fold line 203 and fourth vertical fold line 204 so that each of the adjacent panels, i.e. top panel 210, first end panel 220, bottom panel 230, second end panel 240, and adhesive Lab 250 are generally perpendicular to each other. This will put adhesive tab 250 adjacent to second end panel 240 so that first vertical fold line 201 can be aligned with the right edge of second end panel 240. When in this position, adhesive tab 250 caα be glued, stapled or otherwise adhered by conventional means to second end panel 240 to form a box configuration that is open on both of its two sides. Thereafter, the top and bottom flaps are folded inward along first horizontal fold Uøe 260 and second horizontal fold line 270. First end panel top flap 220A and second end panel top flap 240A are folded first and then top panel top flap 210A and bottom panel top flap 230A are folded second so that top panel top flap 210A and bottom panel top flap 230A ate on the outside of carton 100. Although this is the preferred embodiment, top panel top flap 21 OA and bottom panel top flap 23OA could be folded first so that top panel top flap 210A and bottom, panel top flap 230A are on the inside of first end panel top flap 220A and second end panel top flap 240A inside of carton 100. Similarly, first end panel bottom flap 220B and second end panel bottom flap 240B are folded first and then top panel bottom flap 210B and bottom panel bottom flap 230B are folded second so that top panel bottom flap 210B and bottom panel bottom flap 230B are on the outside of carton 100. Again, although this is the preferred embodiment, top panel bottom flap 21 OB and bottom panel bottom flap 230B could be folded first so that top panel bottom flap 210B and bottom panel bottom flap 230B are on the inside of first end panel bottom flap 22OB and second end panel bottom flap 240B inside of carton 100. The top and bottom flaps are glued, stapled or otherwise adhered to each other by standard fastening means. Typically, products to be shipped and handled in carton 100 are placed on bottom panel 230 first and blank 200 rs folded around the product. Thus when blank 200 has been folded as described above, the resulting carton 100, with the product contained therein, can be shipped to the ultimate retail destination.
[0022] A second embodiment of the carton and blank of this invention is shown in FIGS.4 - 6, This embodiment is substantially identical to the embodiment of FIGS. 1 - 3, except in this embodiment the perforation line extends across all four corners of the top of the carton. This provides even greater surface stacking area and structural integrity to the carton. Because of the similarity between this embodiment and the embodiment of FIGS. 1 -3, the same reference numbers used for describing the embodiment of FIGS. 1 - 3 will be used to describe the same features of the embodiment of FIGS, 4 — 6 except that a prime (') will be used to indicate that those items are for the different embodiment. [0023] Blank 200' includes four main panels, a top panel 210', a First end panel 220", a bottom panel 230' and a second end panel 240'. Blank 200' also includes an adhesive tab 250', which is connected along its right side to the left vSide of top panel 210' along a first vertical fold line 201 \ Top panel 210' is connected along its right side to the left side of first end panel 220° along a second vertical fold line 202', First end panel 220' is connected along its right side to the left side of bottom panel 230' along a third vertical ibid line 203'. Bottom panel 230" is connected along its right side to the left side of second end panel 240' along a fourth vertical fold line 204'. Each of top panel 210% first end panel 220', bottom panel 230', and second end panel 240s includes a lop flap defined above a first horizontal fold line 260' and a bottom flap defined below a second horizontal fold line 270'. Top panel top flap 210 A' is adjacent to top panel 210' above first horizontal fold line 260' while top panel bottom flap 210B' is adjacent to top panel 210' below second horizontal fold line 270'. First end panel top flap 220A' is adjacent to first end panel 220' above first horizontal fold line 260' while first end panel bottom flap 220B' is adjacent to first end panel 220' below second horizontal fold line 270'. Bottom panel top flap 230A' is adjacent to bottom panel 230' above first horizontal fold line 260' while bottom panel bottom flap 230B' is adjacent to bottom panel 230' below second horizontal fold line 270'. Second end panel top flap 240A' is adjacent to second end panel 240' above first horizontal fold line 260' while second end pane! bottom flap 240B' is adjacent to second end panel 240' below second horizontal fold line 270'.
10024] Preferably, all of the top and bottom flaps, i.e. top panel top flap 210A', top panel bottom flap 210B', first end panel top flap 220A', first end panel bottom flap 220B', bottom panel top flap 230A', bottom panel bottom flap 230B', second end panel top flap 240A', and second end pane! bottom flap 240B' have substantially the same height. Preferably, top panel top flap 210A', top panel bottom flap 210B', bottom panel top flap 230A' and bottom panel bottom flap 230B' have substantially the same width. Preferably, first end panel top flap 220A', first end panel bottom flap 220B \ second end panel top flap 240A' and second end panel bottom flap 240B' also have substantially the same width. [0025] Perforation line 215' is formed in top panel 210' and extends diagonally across ail four corners of that panel. Preferably, perforation line 215' extends from an upper portion of the left end of adhesive tab 250' generally perpendicular thereto to first vertical fold line 201', then diagonally to a left portion of first horizontal fold line 260', along first horizontal fold line 260' to aright portion thereof in top panel 210', then diagonally to an upper portion of second vertical fold line 202', along second vertical fold line 202' toward second horizontal fold line 270'. then at a lower portion of second vertical fold line 202' diagonally to second horizontal fold line 270' along a right portion thereof in top panel 210'. along second horizontal foid line 270' toward adhesive tab 250', then, along a left portion of second horizontal fold line 270' diagonally to a lower portion of first vertical line 201' and then, at a point along the lower portion of first vertical fold line 201', generally perpendicular to first vertical fold line 201' to the left edge of adhesive tab 250'. This configuration for perforation line 215' allows top panel 210' to be removed except for four triangular portions 280A', 280B', 280C and 280D. The removal of top panel 210' provides ready access to the products contained in carton IOO7 and also displays those products therein. The triangular portions provide support to allow other cartons to be stacked on top of carton 200' when top panel 210' has been removed and carton 100' has been put in its open/display configuration. Again, as with the embodiment of FTGS. 1 — 3, the specific size and configuration of triangular portions 280A", 280B', 280C and 280D can be varied by varying the location where perforation line 215' intersects first vertical fold line 201', first horizontal fold line 260', second vertical fold line 202' and second horizontal fold line 270'. Although the embodiments shown have four and two triangular portions, this invention also encompasses the use of one or three triangular portions.
[0026] A pair of cut outs 290A and 290B can be formed along a left side of the portion of top panel 210' that is to be removed. Cut υuts 290A and 290B facilitate manipulation of top panel 210" to allow a user to remove a portion of top panel 210' tυ provide access to the interior of the carton. Such cut outs can also be incorporated into the carton and blank of the embodiment υf FIGS. 1 - 3. [0027] To assemble carton 100', blank 200' is folded along first vertical fold line 201', second vertical fold line 202\ third vertical fold line 203' and fourth vertical fold line 204' so that each of the adjacent panels, i.e. top panel 210', first end panel 220', bottom panel 230', second end panel 240', and adhesive tab 250' are generally perpendicular to each other. This will put adhesive tab 250' adjacent to second end panel 240' so that first vertical fold line 201' can be aligned with the right edge of second end panel 240'. When in this position, adhesive tab 250' can be glued, stapled or otherwise adhered by conventional raearis to second end panel 240' to form a box configuration that is open on both of its two sides. Thereafter, the top and bottom flaps are folded inward along first horizontal fold line 260' and second horizontal fold line 270'. First end panel top flap 220A' and second end panel top flap 240A' are folded first and then top panel top flap 210A' and bottom panel top flap 230A' are folded second so that top panel top flap 210A' and bottom panel top flap 230A' are on the outside of carton 100'. Although this is the preferred embodiment, top panel top flap 210A' and bottom panel top flap 23OA' could be folded first so that top panel top flap 210A' and bottom panel top flap 230A' are on the inside of first end panel top flap 220A' and second end panel top flap 240A' inside of carton 100' . Similarly, first end panel bottom flap 220B' and second end panel bottom flap 240B' are folded first and then top panel bottom flap 210B' and bottom panel bottom flap 230B' are folded second so that top panel bottom flap 210B' and bottom panel bottom flap 230B' are on the outside of carton 100'. Again, although this is the preferred embodiment, top panel bottom flap 210B' and bottom panel bottom flap 230B' could be folded first so that top panel bottom flap 210B' and bottom panel bottom flap 230B' are on the inside of first end panel bottom flap 220B' and second end panel bottom flap 240B' inside of carton 100'. The top and bottom flaps are glued, stapled or otherwise adhered to each other by standard fastening means .
[0028] In the third embodiment of the carton of this invention shown in FIGS. 7 - 8, the carton 300 is assembled by folding and adhering together portions of the blank 400. Blank 400 includes five main panels, a first top panel 410, a first side panel 420, a bottom panel 430, a second side panel 440 and a second top panel 450. First top panel 410 is connected along its right side to the left side of first side panel 420 along a first vertical fold line 401. First side panel 420 is connected along its right side to the left side of bottom panel 430 along a second vertical fold line 402. Bottom panel 430 is connected along its right side to the left side of second side panel 440 along a third vertical fold line 403. Second side panel 440 is connected along its right side to the left side of second top panel 450 aiong fourth vertical line 404, Each of first top panel 410, first side panel 420, bottom panel 430, second side panel 440 and second top panel 450 includes a top flap defined above a first horizontal fold line 460 and a bottom flap defined below a second horizontal fold line 470. First top panel top flap 410A is adjacent to first top panel 410 above first horizontal fold line 460 while firsf top panel bottom flap 410B is adjacent to first top panel 410 below second horizontal fold line 470. First side panel top flap 420A is adjacent to first side panel 420 above first horizontal fold line 460 while first side panel bottom flap 420B is adjacent to first side panel 420 below second horizontal fold line 470. Bottom panel top flap 430A is adjacent to bottom panel 430 above first horizontal fold line 460 while bottom panel bottom flap 430B is adjacent to bottom panel 430 below second horizontal fold tine 470. Second side panel top flap 440A is adjacent to second side panel 440 above first horizontal fold line 460 while second side panel bottom flap 440B is adjacent to second side panel 440 below second horizontal fold line 270. Second top panel top flap 45GA is adjacent to second top panel 450 above first horizontal fold line 460 while second top panel bottom flap 450B is adjacent to second top panel 450 below second horizontal fold line 470.
[0029] Preferably, all of the top and bottom flaps, i.e. first top panel top flap 410A, first top panel bottom flap 410B, first side panel top flap 420A, first side panel bottom flap 420B, bottom panel top flap 430A, bottom panel bottom flap 430B, second side panel top flap 440A, second side panel bottom flap 440B, second top panel Cop flap 450A and second top panel bottom flap 450B have substantially the same height. Preferably, first top panel top flap 410A, first top panel bottom flap 410B, second top panel top flap 450A and second top panel bottom flap 450B have substantially Lhe same width. Preferably, first side panel top flap 420A, first side panel bottom flap 420B, second side panel top flap 440A and second side panel bottom flap 440B also have substantially the same width. Preferably, bottom panel top flap 430A and bottom panel bottom ilap 430B have substantially the same width, π [0030] Perforation line 415 A extends across first top panel 410 and first side panel 420. Similarly, perforation line 41.5B extends across second top panel 450 and second side panel 440. Perforation lines 415A and 415B extend diagonally across the top and bottom of First top panel 410 and second bottom panel 450 respectively. This allows four triangular portions 480A, 480B, 4S0C, and 480D to be formed in the top comets of carton 300. As with the other embodiments, the specific size and configuration of triangular portions 4S0A, 480B, 480C and 480D can be varied by varying the location where perforation lines 415 A and 415B intersect first horizontal fold line 460, second horizontal foϊd line 470 and, in the case of triangular portions 480A and 480B, first vertical fold line 401 and, in the case of triangular portions 480C and 480D, fourth vertical fold line 404. Although preferably four triangular portions are used, this invention contemplates the use of one, two or three triangular portions as well. Specifically, perforation line 415 A extends from an upper portion of the left end of first top panel 410 diagonally down to first vertical fold line 401, then generally perpendicular thereto to a right portion of first side panel 420, then generally vertically toward second horizontal fold line 470, then generally horizontally to first vertical fold line 401 along a lower portion thereof and then diagonally across first top panel 410 to a lower portion of the left edge of first top panel 410. Notch 490A may be formed in first side panel 420 along perforation line 415A to facilitate tearing of blank 400 along perforation line 415 A. Instead of extending to the left edge of first top panel 410, perforation line 415 A could intersect first horizontal fold line 460 and second horizontal fold line 470 anywhere along their length in first top panel 410. Perforation line 415B is preferably a mirror image of perforation line 415A- Specifically, perforation Hne 41 SB extends from an upper portion of the right edge of second top panel 450 diagonally down to fourth vertical fold line 404, then generally perpendicular thereto Io a left portion of second side panel 440, then generally vertically toward second horizontal fold line 470, then generally horizontally to fourth vertical fold line 404 along a lower portion thereof and then diagonally across second top panel 450 to a lower portion of the right edge of second top panel 450. Notch 490B may be formed in second side panel 440 along perforation line 415BA to facilitate tearing of blank 400 along perforation Hne 4L5B. Again, instead of extending to the right edge of second top panel 450, perforation line 415B couJd intersect first horizontal fold line 460 and second horizontal fold line 470 anywhere along their length in second top panel 450, 'The removal of portions of first top panel 410, first side panel 420, second side panel 440 and second top panel 450 provides ready access to the products contained in carton 300 and also displays tho.se products therein. The triangular portions provide support to allow other cartons to be stacked on top of carton 300 when it has been put in its open/display configuration. Although this embodiment is described with two perforation lines 415A and 41.5B, it is within the scope of this invention to use only one of the perforation lines. In addition, it is within the scope of this invention to have perforation lines 415A and 415B extend only along top panels 410 and 450 respectively. In such an embodiment, perforation line 415A would extend vertically along first vertical fold line 401, or along a right portion of top panel 410, and would not extend into first end panel 420. Similarly, perforation line 415B would extend vertically along fourth vertical fold line 404, or along a left portion of second top panel 450 and would not extend into second end panel 440.
[0031] To assemble carton 300, blank 400 is folded along first vertical fold line 401, second vertical fold line 402, third vertical fold line 403 and fourth vertical fold line 404 so that each of the adjacent panels, i.e. first top panel 410, first side panel 420, bottom panel 430, and second side panel 440 are generally perpendicular to each other. Second top panel 450 would be generally perpendicular to second side panel 440 but generally aligned with first top panel 410. This will put the left edge of first top panel 410 in proximity to the right edge of second top panel 450. When in this position, the top and bottom flaps may be folded inward along first horizontal fold line 460 and second horizontal fold line 470, First top panel top flap 410A, first side panel top flap 420A, bottom panel top flap 430A, second side panel top flap 440A and second top panel top flap 450A are folded and adhered by standard means to a separate end panel (301 in FIG. 8) in standard bliss type carton fabrication technique. Similarly, first Lop panel bottom flap 41.0B, first side panel bottom flap 420B, bottom panel bottom flap 430B, second side panel bottom flap 440B and second top panel bottom flap 450B are folded and adhered by standard means to a separate side panel (302 in FIGS. 7 and S) in standard bliss type carton fabrication technique. Typically, products to be shipped and handled in carton 300 are placed on bottom panel 430 first and blank 400 is folded around the product. Thus when blank 400 has been folded as described above, the resulting carton 300, with the product contained therein, can be shipped to the ultimate retail destination.
[0032] While the present invention has been described in connection with the illustrated embodiments, it will be appreciated and understood that modifications may be made without departing from the true spirit and scope of the invention.

Claims

We claim:
1. A carton, comprising: . a bottom panel having a first edge and a second edge; a first panel connected to the bottom panel along one of the first edge and the second edge; a second panel connected to the bottom panel along the other of the first edge and the second edge; a top panel connected to the first panel, the top panel having at least one corner; and a perforation line extending diagonally across the corner of the top panel.
2. The carton of claim 1 wherein the top panel includes at least two corners and the perforation line extends diagonally across at least two corners of the top panel.
3. The carton of claim 2 wherein the top panel includes at least four corners and the perforation line extends diagonally across the four corners of the top panel.
4. A caiton, comprising: a bottom panel having a first edge and a second edge; a first side panel having a top edge and a bottom edge connected to the bottom panel along one of the first edge and the second edge; a second side panel having a top edge and a bottom edge connected to the bottom panel along the other of the first edge and the second edge; a first top panel having a top portion, a left side and a right side connected to the top edge of the first side panel; a second top panel having a top portion, a right side and a left side connected to the top edge of the second side panel; and a first perforation line extending diagonally across the top portion of the first top panel, into the first side panel and across the bottom portion of the first top panel.
5. The carton of claim 4 wherein the first perforation line extends diagonally across the bottom portion of the first top panel.
6. The carton of claim 4 further comprising a second perforation line extending diagonally across the top portion of the second top panel, into the second side panel and across the bottom, portion of the second top panel.
7. The carton of claim 6 wherein the second perforation line extends diagonally across the bottom portion of the second top panel.
8. The carton of claim 5 further comprising a second perforation line extending diagonally across the top portion of the second top panel, into the second side panel and across the bottom portion of the second top panel.
9. The carton of claim 8 wherein the second perforation line extends diagonally across the bottom portion of the second top panel.
10. A blank, comprising: a first top panel having a top portion, a bottom portion, a right edge and a left edge; a first side panel having a right edge and a left edge connected to the right edge of the first top panel; a bottom panel having a left edge connected to the right edge of the first side panel and a right edge; a second side panel having a top portion, a bottom portion, a left edge connected to the right edge of the bottom panel and a right edge; a second top panel having a top portion, a bottom portion, a left edge connected to the right edge of the second side panel; and a first perforation line extending diagonally across the top portion of the first top panel, into the top portion of the first side panel, toward the bottom portion of the first side panel and across the bottom portion of the first top panel.
1 L The blank of claim 10 -wherein the first perforation line extends diagonally across the bottom portion of the first top panel.
12. The blank of claim 10 further comprising a second perforation line extending diagonally across one of the top portion or the bottom portion of the second top panel and into the top portion of the second side panel.
13. The blank of claim 12 wherein the second perforation line extends diagonally across the top portion of the second top panel toward the bottom portion of the second top panel and across the bottom portion of the second top panel.
14. The blank of claim 13 wherein the second perforation line extends diagonally across the bottom portion of the second top panel.
15. A blank, comprising: a top panel having a top portion, a top edge, a bottom portion, a bottom edge, a right portion, a right edge, a left portion and a left edge; a first end panel having a right edge and a left edge connected to the right edge of the top panel; a bottom panel having a left edge connected to the right edge of the first end panel and a right edge; a second end panel having a top portion, a bottom portion, a left edge connected to the right edge of the bottom panel and a right, edge; and a perforation line extending from the left portion of the top panel diagonally across the top portion of the top panel to and along the top portion of the top panel, to and along the right portion of the top panel, to and along the bottom portion of the top panel.
16. The blank of claim 15 wherein the perforation line extends diagonally across the bottom portion of the top panel.
17. The blank of claim 15 wherein the perforation line extends diagonally across the top portion of the top panel and the left portion of the top panel.
18. The blank of claim 17 wherein the perforation line extends diagonally across the bottom portion of the top panel and the left portion of the top panel.
19. The blank of claim 18 wherein the perforation line extends diagonally across the top portion of the top panel and the right portion of the top panel.
20. The blank of claim 18 wherein the perforation line extends from the right edge diagonally across the bottom portion of the top panel and the right portion of the top panel.
PCT/US2006/060592 2005-11-07 2006-11-07 Carton having tear-away feature for shipping and handling multiple packages of products WO2007056718A2 (en)

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WO2007056718A3 (en) 2007-11-22
US7784676B2 (en) 2010-08-31

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