US3339792A - Container and closure cap for same - Google Patents

Container and closure cap for same Download PDF

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Publication number
US3339792A
US3339792A US466194A US46619465A US3339792A US 3339792 A US3339792 A US 3339792A US 466194 A US466194 A US 466194A US 46619465 A US46619465 A US 46619465A US 3339792 A US3339792 A US 3339792A
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United States
Prior art keywords
annular
section
container
closure cap
rim
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Expired - Lifetime
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US466194A
Inventor
Duane O Biglin
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OI Glass Inc
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Owens Illinois Inc
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Priority to US466194A priority Critical patent/US3339792A/en
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    • 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
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
    • B65D43/0212—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the outside, or a part turned to the outside, of the mouth
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00027—Stackable lids or covers
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00092—Shape of the outer periphery curved circular
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00509—Cup
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00537—Contact between the container and the lid on the inside or the outside of the container on the outside, or a part turned to the outside of the mouth of the container
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00555—Contact between the container and the lid on the inside or the outside of the container on both the inside and the outside
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00611—Profiles
    • B65D2543/00629—Massive bead
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00675—Periphery concerned
    • B65D2543/00685—Totality
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00722—Profiles
    • B65D2543/00731—Groove or hollow bead
    • 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
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00787—Periphery concerned
    • B65D2543/00796—Totality

Definitions

  • CONTAINER AND CLOSURE CAP FOR SAME Filed June 23, 1 965 I N VENTOR.
  • ABSTRACT OF THE DISCLOSURE A container and closure cap combination wherein the container has a mouth-forming wall increasing in thickness toward a mouth-defining bead having a top rim and a continuous corner sealing surface below the rim, together with a closure cap, the latter in part projecting into the mouth and embodying a channel-like section straddling the bead and being under tension to effect a tight seal between a part of the skirt and the corner sealing surface.
  • My invention relates to improvements in thermoplastic containers and closure caps for same and has tfOI' an object the provision of a novel, effective, thermoplastic, sheet-like closure having sealing contact with a preformed exterior sealing surface of novel form.
  • the invention pertains to plastic containers of the type customarily used in the packaging of small quantities of cottage cheese, potato salad, and the like for the retail trade. Such packages are not ordinarily vacuum packed, but nevertheless should be effectively sealed against entry of insects, etc. Accordingly, I have provided for such sealing and the creation of a closure cap which may be not only molded or otherwise formed [from thermoplastic sheet, but additionally can be nested or stacked for rapid handling by closure aflixing apparatus.
  • thermoplastic closure cap wherein the attaching skirt or flange incorporates means functioning both to aid in cap centering and application and in cap removal.
  • FIG. 1 is a fragmentary sectional elevational view of a container and closure cap embodying my invention
  • FIG. 2 is a sectional view showing the manner in which my closure caps may be nicely stacked, or nested;
  • FIG. 3 is a top plan view of one of the closure caps.
  • the container 10 which may well be and preferably is formed of a thermoplastic material, comprises a bottom 11 of circular form, and an annular upstanding side wall 12 terminating at its upper end as a flared annular section 13 of upwardly increasing radial thickness, thus providin-g an internal sloping guiding surface 14 which, as will become evident, aids in stacking as well as in initial centering and application of the closure cap to a container.
  • a substantially thickened annular bead 15 is formed integral with and at the upper end of the thickened upper portion of the annular section 13, .p-re- 3,339,792 Patented Sept.
  • the closure caps 20 are readily stack-able, or nestable, in a fashion permitting ready separation of single caps and delivery of same for application to the containers, over the mouths of which they are telescoped and snapped into sealing position.
  • the center section of the closure cap functions as a pilot, aiding both in initial stacking and centering the closure cap relative and incident to its application to a container.
  • resistance to stretching or distortion of the sealing section of the closure cap is efl ected by the particular described channel and the stiffened central portion of the top wall or panel.
  • the closure cap design permits effective stacking for general handling and feeding by a capping apparatus and in FIG. 1 it is also evident that the specific panel or top wall contour very materially facilitates guiding the cap and insuring both easy stacking and proper initial positioning of same relative to the container mouth and rim or bead, just prior to the application of top pressure which snaps the cap into sealing position, as illustrated best in FIG. 1.
  • the flared extension 29 or lip aids not only in guiding the cap onto the container, but also functions as a finger-piece facilitating cap removal.
  • a wide-mouth container comprising a bottom, an annular upstanding wall having a flared upper section of upwardly increasing radial thickness, an annular head of substantial cross-section at the upper margin of the flared section, said bead having a fiat top rim and an external annular corner sealing surface below said rim, a closure cap having a panel portion receivable in the container mouth, an inverted annular channel-like member having an outer annular pendent wall formed with an inwardly sloping sealing section for contact with said corner sealing surface, the spacing between the rim and sloping sealing section being such as to maintain the pendent wall under tension and create a tight seal.
  • annular wall a radial shelf connecting the annular wall and said channel-like member.

Description

Sept. 5, 1967 D. 0. BIGLIN 3,339,792
CONTAINER AND CLOSURE CAP FOR SAME Filed June 23, 1 965 I N VENTOR. DUHNE U-BIGLIN flTTORNlE'YJ United States Patent 3,339,792 CONTAINER AND CLOSURE CAP FOR SAME Duane 0. Biglin, Toledo, Ohio, assignor to Owens- Illinois, Inc., a corporation of Ohio Filed June 23, 1965, Ser. No. 466,194 4 Claims. (Cl. 220-60) ABSTRACT OF THE DISCLOSURE A container and closure cap combination wherein the container has a mouth-forming wall increasing in thickness toward a mouth-defining bead having a top rim and a continuous corner sealing surface below the rim, together with a closure cap, the latter in part projecting into the mouth and embodying a channel-like section straddling the bead and being under tension to effect a tight seal between a part of the skirt and the corner sealing surface.
My invention relates to improvements in thermoplastic containers and closure caps for same and has tfOI' an object the provision of a novel, effective, thermoplastic, sheet-like closure having sealing contact with a preformed exterior sealing surface of novel form.
More particularly, the invention pertains to plastic containers of the type customarily used in the packaging of small quantities of cottage cheese, potato salad, and the like for the retail trade. Such packages are not ordinarily vacuum packed, but nevertheless should be effectively sealed against entry of insects, etc. Accordingly, I have provided for such sealing and the creation of a closure cap which may be not only molded or otherwise formed [from thermoplastic sheet, but additionally can be nested or stacked for rapid handling by closure aflixing apparatus.
It is also an object of my invention to provide a thermoplastic closure cap wherein the attaching skirt or flange incorporates means functioning both to aid in cap centering and application and in cap removal.
Other objects will be in part apparent and in part pointed out hereinafter.
In the accompanying drawings forming a part of this application:
FIG. 1 is a fragmentary sectional elevational view of a container and closure cap embodying my invention;
FIG. 2 is a sectional view showing the manner in which my closure caps may be nicely stacked, or nested; and
FIG. 3 is a top plan view of one of the closure caps.
In my copending US. application Ser. No. 466,193, filed June 23, 1965, is disclosed a closure cap of the form herein claimed, but incorporating a venting feature.
In the illustrated embodiment of my invention, the container 10, which may well be and preferably is formed of a thermoplastic material, comprises a bottom 11 of circular form, and an annular upstanding side wall 12 terminating at its upper end as a flared annular section 13 of upwardly increasing radial thickness, thus providin-g an internal sloping guiding surface 14 which, as will become evident, aids in stacking as well as in initial centering and application of the closure cap to a container. A substantially thickened annular bead 15 is formed integral with and at the upper end of the thickened upper portion of the annular section 13, .p-re- 3,339,792 Patented Sept. 5, 1967 the outer margin of this shelf 24 rises a vertical annular wall 25 which is spaced radially inward from a depending external annular wall 26, these two walls 25 and 26 being joined together by a top wall 27 which is intended to rest quite firmly upon the aforementioned rim 16 of the container finish. These walls 25 and 26 are spaced apart sufficiently to create a channel capable of straddling the bead 15. Thus, the walls 25 and 26 and the top wall 27 together provide an inverted annular channel to accommodate the aforementioned bead 15, the fit being quite loose to thereby permit ready assembly of the closure cap and container.
The actual seal results from sloping or tapering inwardly and downwardly an extension 28 or sealing section of the exterior wall 26 so that it snugly engages the aforementioned corner sealing surface 19. Because of the closely control-led tolerance, the radial top wall 27 of the channel which straddles the head 15, firmly contacts the rim 16, placing the external wall 26 under tension and consequently very tightly interenga-ging the sealing section 28 and the corner sealing surface 19. The outwardly flared annular extension 29 at the bottom end of the sealing section 28, aids both in application of the closure cap to the container and in stacking or nesting of a number of closures preparatory to their application to containers.
As perhaps is best shown in FIG. 2, the closure caps 20 are readily stack-able, or nestable, in a fashion permitting ready separation of single caps and delivery of same for application to the containers, over the mouths of which they are telescoped and snapped into sealing position. The center section of the closure cap, as is apparent, functions as a pilot, aiding both in initial stacking and centering the closure cap relative and incident to its application to a container. As is also evident, resistance to stretching or distortion of the sealing section of the closure cap is efl ected by the particular described channel and the stiffened central portion of the top wall or panel.
It is apparent, in view of the above, that, as shown in FIG. 2, the closure cap design permits effective stacking for general handling and feeding by a capping apparatus and in FIG. 1 it is also evident that the specific panel or top wall contur very materially facilitates guiding the cap and insuring both easy stacking and proper initial positioning of same relative to the container mouth and rim or bead, just prior to the application of top pressure which snaps the cap into sealing position, as illustrated best in FIG. 1. The flared extension 29 or lip, as stated, aids not only in guiding the cap onto the container, but also functions as a finger-piece facilitating cap removal.
Modifications may be resorted to within the spirit and scope of the appendedclaims.
I claim:
1. In combination, a wide-mouth container comprising a bottom, an annular upstanding wall having a flared upper section of upwardly increasing radial thickness, an annular head of substantial cross-section at the upper margin of the flared section, said bead having a fiat top rim and an external annular corner sealing surface below said rim, a closure cap having a panel portion receivable in the container mouth, an inverted annular channel-like member having an outer annular pendent wall formed with an inwardly sloping sealing section for contact with said corner sealing surface, the spacing between the rim and sloping sealing section being such as to maintain the pendent wall under tension and create a tight seal.
2. A structure as defined in claim 1, there being a flared annular section at the lower margin of the sealing section.
3. A structure as defined in claim 1, there being an upstanding annular wall about the panel interconnecting it and the channel-like member.
4. A structure as defined in claim 3, the annular wall a radial shelf connecting the annular wall and said channel-like member.
References Cited UNITED STATES PATENTS 3,179,283 4/1965 Amberg 22060 THERON E. CONDON, Primary Examiner.
being inclined upwardly and inwardly from said panel and G. T. HALL, Assistant Examiner.
12/1963 Martinelli 220 4,

Claims (1)

1. IN COMBINATION, A WIDE-MOUTH CONTAINER COMPRISING A BOTTOM, AN ANNULAR UPSTANDING WALL HAVING A FLARED UPPER SECTION OF UPWARDLY INCREASING RADIAL THICKNESS, AN ANNULAR BEAD OF SUBSTANTIAL CROSS-SECTION AT THE UPPER MARGIN OF THE FLARED SECTION, SAID BEAD HAVING A FLAT TOP RIM AND AN EXTERNAL ANNULAR CORNER SEALING SURFACE BELOW SAID RIM, A CLOSURE CAP HAVING A PANEL PORTION RECEIVABLE IN THE CONTAINER MOUTH, AN INVERTED ANNULAR CHANNEL-LIKE MEMBER HAVING AN OUTER ANNULAR PENDENT WALL FORMED WITH AN INWARDLY SLOPING SEALING SECTION FOR CONTACT WITH SAID CORNER SEALING SURFACE, THE SPACING BETWEEN THE RIM AND SLOPING SEALING SECTION BEING SUCH AS TO MAINTAIN THE PENDENT WALL UNDER TENSION AND CREATE A TIGHT SEAL.
US466194A 1965-06-23 1965-06-23 Container and closure cap for same Expired - Lifetime US3339792A (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3612342A (en) * 1969-07-14 1971-10-12 Foster Grant Co Inc Container lid
FR2175132A1 (en) * 1972-03-07 1973-10-19 Superfos Emballage As
US3883036A (en) * 1973-05-04 1975-05-13 Continental Can Co Snap-on lid
US4004710A (en) * 1975-12-31 1977-01-25 Mammoth Plastics, Inc. Container and closure therefor
US4296871A (en) * 1979-07-23 1981-10-27 Ring Lock Container S. A. Receptacle with a cover of plastics material
EP0048472A1 (en) * 1980-09-19 1982-03-31 Sears, Roebuck And Co. Lockable closure for containers
DE3140234A1 (en) * 1980-11-20 1982-08-26 Superfos a/s, 2950 Vedbaek CONTAINER LID
US4836407A (en) * 1987-08-04 1989-06-06 Cpc-Rexcel, Inc. Tamper-evident, differential pressure-thermoformed lidded plastic container
US4893452A (en) * 1987-08-04 1990-01-16 Cpc-Rexel, Inc. Method for making a tamper-evident, differential pressure-thermoformed lidded plastic container
USD381268S (en) * 1995-12-12 1997-07-22 James River Corporation Of Virginia Cup lid
USD381267S (en) * 1995-12-12 1997-07-22 James River Corporation Of Virginia Cup lid
US5791509A (en) * 1995-12-12 1998-08-11 James River Corporation Of Virginia Uniform stacking cup lid
USD1019389S1 (en) 2022-03-01 2024-03-26 Cfs Brands, Llc Disposable cup lid

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3112841A (en) * 1962-06-20 1963-12-03 Massachusetts Plastic Corp Closure or lid
US3179283A (en) * 1963-04-10 1965-04-20 Lily Tulip Cup Corp Flush type lid

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3112841A (en) * 1962-06-20 1963-12-03 Massachusetts Plastic Corp Closure or lid
US3179283A (en) * 1963-04-10 1965-04-20 Lily Tulip Cup Corp Flush type lid

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3612342A (en) * 1969-07-14 1971-10-12 Foster Grant Co Inc Container lid
FR2175132A1 (en) * 1972-03-07 1973-10-19 Superfos Emballage As
US3883036A (en) * 1973-05-04 1975-05-13 Continental Can Co Snap-on lid
US4004710A (en) * 1975-12-31 1977-01-25 Mammoth Plastics, Inc. Container and closure therefor
US4296871A (en) * 1979-07-23 1981-10-27 Ring Lock Container S. A. Receptacle with a cover of plastics material
EP0048472A1 (en) * 1980-09-19 1982-03-31 Sears, Roebuck And Co. Lockable closure for containers
DE3140234A1 (en) * 1980-11-20 1982-08-26 Superfos a/s, 2950 Vedbaek CONTAINER LID
US4836407A (en) * 1987-08-04 1989-06-06 Cpc-Rexcel, Inc. Tamper-evident, differential pressure-thermoformed lidded plastic container
US4893452A (en) * 1987-08-04 1990-01-16 Cpc-Rexel, Inc. Method for making a tamper-evident, differential pressure-thermoformed lidded plastic container
USD381268S (en) * 1995-12-12 1997-07-22 James River Corporation Of Virginia Cup lid
USD381267S (en) * 1995-12-12 1997-07-22 James River Corporation Of Virginia Cup lid
US5791509A (en) * 1995-12-12 1998-08-11 James River Corporation Of Virginia Uniform stacking cup lid
USD1019389S1 (en) 2022-03-01 2024-03-26 Cfs Brands, Llc Disposable cup lid

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