US3684124A - Tamper-proof overcap for can - Google Patents
Tamper-proof overcap for can Download PDFInfo
- Publication number
- US3684124A US3684124A US71176A US3684124DA US3684124A US 3684124 A US3684124 A US 3684124A US 71176 A US71176 A US 71176A US 3684124D A US3684124D A US 3684124DA US 3684124 A US3684124 A US 3684124A
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- US
- United States
- Prior art keywords
- tear strip
- lips
- bead
- wall
- cover
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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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
- B65D83/00—Containers or packages with special means for dispensing contents
- B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
- B65D83/40—Closure caps
-
- 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
- B65D2401/00—Tamper-indicating means
- B65D2401/15—Tearable part of the closure
- B65D2401/25—Non-metallic tear-off strips
Definitions
- a cup shaped plastic cover has a plurality of inwardly extending lips adjacent the open end. The upper face of these lips is substantially normal to the inner wall and the lower face tapers from the inner wall to the upper face. The lower face cams the the cap outwardly so that it easily slips over a bead on the can after which the upper face engages the.bead to lock the cap against a retraction movement.
- a tear strip extending upwardly from the open end and having a handle extending outwardly from its lower edge.
- One of the lips is on this tear strip and the remaining lips arevopposite the tear strip lip and at the sides thereof;
- Above the tear strip are inwardly projecting horizontal reinforcing ribs.
- the principal object of the present invention is to provide a construction for a tamper-proof cap which is particularly suited for plastic fabrication.
- the cap is the epitome of simplicity. Due to this and to the plastic fabrication techniques and material costs, it is very inexpensive to produce. It can be easily placed on a container either by a manual operation or a machine operation. When once in place, it is quite difficult to remove without breaking the tear strip, which action would signal that the contents of the container might not be in their proper condition. This is not to say that a strong person couldnot remove it without breaking the tear strip, but it is to say that a child certainly could not do so.
- the present invention relates to a simple and inexpensive plastic tamper-proof overcap.
- FIG. 1 is an elevational view, with a portion broken away, of an embodiment of the invention on the top of an aerosol can;
- FIG. 2 is a view similar to FIG. 1 illustrating the manner of removing the overcap
- FIG. 3 is a perspective view looking upwardly into the lower opening in the overcap
- FIG. 4 is a bottom view looking into the lower opening of the overcap
- FIG. 5 is an enlarged partial section as viewed at line 5-5 ofFlG. 3;
- FIG. 6 is an enlarged partial section as viewed at line 66 of FIG. 3.
- FIGS. 1 and 2 illustrate the top portions of an aerosol can, generally 10. At the top of this can is a dispenser 11 which can be suitably manipulated so as to remove the contents from the container.
- the can has two beads 12 and 13 vertically spaced from each other adjacent the top of the can.
- Such a can, plus a tamper-proof" cap which will rest on the lower bead 13 and lock under the upper bead 12 against removal except for partial destruction, is prior art to the present invention.
- the cap of the present invention is cup shaped having a cylindrical wall 16 with a closed top 17.
- the cap has an open end 18.
- a tear strip 19 This is defined by two score" lines 20 which are areas of reduced thickness in the wall formed during the plastic molding operation.
- a tab 21 extends downwardly from the bottom of the tear strip to serve as a handle.
- To facilitate using this as a handle there are a plurality of small ridges 22 horizontally along the tab.
- Above the score lines is an inwardly extending rib 24. It is circumferentially aligned.
- a plurality of lips 25 through 30 are positioned in circumferential alignment adjacent the open end 18 of the cap.
- One of these lips, number 25, is positioned on the tear strip 21.
- Another,'number 28, is positioned opposite the tear strip.
- the remainder of the lips are positioned between the lips 25 and 28 but are closer to the lip 28 than they are to lip 25. In a typical embodiment there will be about sixty degrees between the adjacent ends of lip 26 and 30, with lip 25 being intermediate those ends.
- the structure of each of the lips is best seen with respect to FIG. 5.
- the lips each have an upper face 31 which is substantially normal to the inner face of wall 16. They also have a lower face 32 which extends at an angle to the wall 16, that is, tapers from the-distal end of upper face 31 downwardly and outwardly to meet the wall 16.
- these caps can be formed by conventional plastic molding operation.
- the actual embodiments produced are made of medium density polyethylene having a tensile strength of from 2,000 to 3,500 PSI.
- the principal purpose of the rib 24 is to provide a reinforcement at the tear strip area during molding when the cap is pulled out of the core of the mold.
- the lips around the circumference of the wall 16 prevent the wall sections from stretching at the lip locations. Without rib 24, the wall area between the adjacent ends of lips 26 and 30 will stretch excessively with the likelihood of damaging tear strips 23.
- Rib 24 provides a reinforcement in this area so that wall 16 stretches uniformly about its circumference when the cap is removed from the mold.
- the two vertical ribs 33 adjacent to the scores 23 are also provided to stop excessive stretching of the wall section between ribs 33. This also aids in preserving the scores, during molding, as ribs 33 fit in the core of mold and the core prevents side movement of the wall between the ribs 33.
- a tamper-proof cover for a container having an outwardly projecting circumferential bead comprising: an inverted cup shaped member molded from plastic and having an open lower end and a closed upper end and an inner wall defining an internal opening of a diameter approximately equal to the external diameter of the bead, two lines at which the plastic is substantially thinner than it is in the remainder of the cap and defining a tear strip extending along one side of the cup from the open end toward the closed end and a handle at the lower end of the tear strip, said handle projecting from the tear strip at the distal end thereof, notches where said two lines meet the open end, circumferentially positioned reinforcing rib means integral with the wall, above the level of the top of said lines, longer than the distance between the lines, and extending inwardly from the inner wall, second means integral with the wall defining locking lips aligned circurnferentially about the inside of the cup above the open end thereof, said lips having an upper face substantially normal to said inner wall and a
Abstract
A cup shaped plastic cover has a plurality of inwardly extending lips adjacent the open end. The upper face of these lips is substantially normal to the inner wall and the lower face tapers from the inner wall to the upper face. The lower face cams the the cap outwardly so that it easily slips over a bead on the can after which the upper face engages the bead to lock the cap against a retraction movement. At one side of the cap there is a tear strip extending upwardly from the open end and having a handle extending outwardly from its lower edge. One of the lips is on this tear strip and the remaining lips are opposite the tear strip lip and at the sides thereof. Above the tear strip are inwardly projecting horizontal reinforcing ribs.
Description
United States Patent Song [ 1 Aug. 15, 1972 [54] TAMPER-PROOF OVERCAP FOR CAN [72] Inventor: John S. Song, 117 N. Lincoln Ave., Addison, 111. 60101 221 Filed: Sept. 10,1970
21 Appl.No.: 71,176
[52] US. Cl. ..220/27, 220/60, 222/ 153, 222/182, 222/541, 215/46 A [51] Int. Cl. ..B65d 17/00 [58] Field of Search.....220/27, 60, 54; 215/46 A, 42; 222/182, 153, 541
[56] References Cited UNITED STATES PATENTS 2,643,015 6/1953 Soffer ..220/27 X 3,480,184 11/1969 Landis ..220/27 X Primary Examiner-George T. Hall Attorney-Darbo, Robertson & Vandenburgh [5 7] ABSTRACT A cup shaped plastic cover has a plurality of inwardly extending lips adjacent the open end. The upper face of these lips is substantially normal to the inner wall and the lower face tapers from the inner wall to the upper face. The lower face cams the the cap outwardly so that it easily slips over a bead on the can after which the upper face engages the.bead to lock the cap against a retraction movement. At one side of the cap there is a tear strip extending upwardly from the open end and having a handle extending outwardly from its lower edge. One of the lips is on this tear strip and the remaining lips arevopposite the tear strip lip and at the sides thereof; Above the tear strip are inwardly projecting horizontal reinforcing ribs.
4 Claims, 6 Drawing Figures TAMPER-PROOF OVERCAP FOR CAN BACKGROUND AND SUMMARY OF THE INVENTION It is conventional practice to employ a so-called tamper-proof overcap on items such as aerosol cans so that children or others will not play with these cans in the store and dispense at least some of the contents of the can. So far as I am aware, all of these tamperproof caps in commercial use are formed of metal and their design is not particularly suited to the fabrication (and use) of plastic. Furthermore, quite a number of the proposals that have been made for such tamperproof caps involve rather complicated structures.
The principal object of the present invention is to provide a construction for a tamper-proof cap which is particularly suited for plastic fabrication. The cap is the epitome of simplicity. Due to this and to the plastic fabrication techniques and material costs, it is very inexpensive to produce. It can be easily placed on a container either by a manual operation or a machine operation. When once in place, it is quite difficult to remove without breaking the tear strip, which action would signal that the contents of the container might not be in their proper condition. This is not to say that a strong person couldnot remove it without breaking the tear strip, but it is to say that a child certainly could not do so.
The present invention relates to a simple and inexpensive plastic tamper-proof overcap.
DESCRIPTION OF THE DRAWINGS FIG. 1 is an elevational view, with a portion broken away, of an embodiment of the invention on the top of an aerosol can;
FIG. 2 is a view similar to FIG. 1 illustrating the manner of removing the overcap;
FIG. 3 is a perspective view looking upwardly into the lower opening in the overcap;
FIG. 4 is a bottom view looking into the lower opening of the overcap; I
FIG. 5 is an enlarged partial section as viewed at line 5-5 ofFlG. 3; and
FIG. 6 is an enlarged partial section as viewed at line 66 of FIG. 3.
DESCRIPTION OF SPECIFIC EMBODIMENT The following disclosure is offered for public dissemination in return for the grant of a patent. Although it is detailed to ensure adequacy and aid understanding, this is not intended to prejudice that purpose of a patent which is to cover each new inventive concept therein no matter how others may later disguise it by variations in form or additions or further improvements. The claims at the end hereof are intended as the chief aid toward this purpose, as it is these that meet the requirement of pointing out the parts, improvements, or combinations in which the inventive concepts are found.
FIGS. 1 and 2 illustrate the top portions of an aerosol can, generally 10. At the top of this can is a dispenser 11 which can be suitably manipulated so as to remove the contents from the container. The can has two beads 12 and 13 vertically spaced from each other adjacent the top of the can. Such a can, plus a tamper-proof" cap which will rest on the lower bead 13 and lock under the upper bead 12 against removal except for partial destruction, is prior art to the present invention.
The cap of the present invention is cup shaped having a cylindrical wall 16 with a closed top 17. The cap has an open end 18. Along one side is a tear strip 19. This is defined by two score" lines 20 which are areas of reduced thickness in the wall formed during the plastic molding operation. A tab 21 extends downwardly from the bottom of the tear strip to serve as a handle. To facilitate using this as a handle, there are a plurality of small ridges 22 horizontally along the tab. At the bottom ends there are notches 23 in the score lines. These facilitate commencing tearing of the plastic, as discussed in my pending application Ser. No. 839,973, filed July 8, 1969. Above the score lines is an inwardly extending rib 24. It is circumferentially aligned.
A plurality of lips 25 through 30 are positioned in circumferential alignment adjacent the open end 18 of the cap. One of these lips, number 25, is positioned on the tear strip 21. Another,'number 28, is positioned opposite the tear strip. The remainder of the lips are positioned between the lips 25 and 28 but are closer to the lip 28 than they are to lip 25. In a typical embodiment there will be about sixty degrees between the adjacent ends of lip 26 and 30, with lip 25 being intermediate those ends. The structure of each of the lips is best seen with respect to FIG. 5. The lips each have an upper face 31 which is substantially normal to the inner face of wall 16. They also have a lower face 32 which extends at an angle to the wall 16, that is, tapers from the-distal end of upper face 31 downwardly and outwardly to meet the wall 16.
As will be apparent to those skilled in the an, these caps can be formed by conventional plastic molding operation. The actual embodiments produced are made of medium density polyethylene having a tensile strength of from 2,000 to 3,500 PSI. After the can is filled, the cap is placed over the top of the can where the lips rest on top of bead 12. Then, with a moderate downwardly force, the cap is pushed against the head. The lower faces 32 of the lips cam the wall 16 outwardly so that the lips slip below the bead to the position illustrated in FIGS. 1 and 2. Here the upper face 31 fits under the bead 12 and locks the cap in place. Since the face 31 is approximately normal to wall 16, there is nothing to cam the wall 16 outwardly should one try to pull the overcap away the can in the reverse of the movement employed in applying the cap to the can.
This locking takes place substantially all about the circumference of the wall 16 so long as the tear strip remains in place. If it is desired to remove the overcap, the handle 21 is grasped with the fingers and pulled upwardly, as illustrated in FIG. 2. The notches 23 facilitate starting a tear of the plastic along the score lines 20. When the tear strip has been moved to the position illustrated in FIG. 2, there isa substantial gap in the circumferential locking that had been achieved by the ribs fitting under the bead 12; that is, there is nothing in the way of locking between the adjacent ends of lips 26 and 30. Furthermore, the circumferential strength of the wall 16, adjacent open end 18, has been weakened by the opening where the tear strip was. This combination of factors makes it relatively easy to now remove the overcap from the can 10, However, the overcap still can be replaced and will stay in place against moderate dislodgment forces because of the fact that there are still substantial areas of lip engaged under bead 12.
The principal purpose of the rib 24 is to provide a reinforcement at the tear strip area during molding when the cap is pulled out of the core of the mold. The lips around the circumference of the wall 16 prevent the wall sections from stretching at the lip locations. Without rib 24, the wall area between the adjacent ends of lips 26 and 30 will stretch excessively with the likelihood of damaging tear strips 23. Rib 24 provides a reinforcement in this area so that wall 16 stretches uniformly about its circumference when the cap is removed from the mold. The two vertical ribs 33 adjacent to the scores 23 are also provided to stop excessive stretching of the wall section between ribs 33. This also aids in preserving the scores, during molding, as ribs 33 fit in the core of mold and the core prevents side movement of the wall between the ribs 33.
I claim:
1. A tamper-proof" cover for a container having an outwardly projecting circumferential bead, said cover comprising: an inverted cup shaped member molded from plastic and having an open lower end and a closed upper end and an inner wall defining an internal opening of a diameter approximately equal to the external diameter of the bead, two lines at which the plastic is substantially thinner than it is in the remainder of the cap and defining a tear strip extending along one side of the cup from the open end toward the closed end and a handle at the lower end of the tear strip, said handle projecting from the tear strip at the distal end thereof, notches where said two lines meet the open end, circumferentially positioned reinforcing rib means integral with the wall, above the level of the top of said lines, longer than the distance between the lines, and extending inwardly from the inner wall, second means integral with the wall defining locking lips aligned circurnferentially about the inside of the cup above the open end thereof, said lips having an upper face substantially normal to said inner wall and a lower face tapering from the distal end of the upper face downwardly and toward said inner wall adjacent said open end, one of said lips being on said tear strip, the remainder of the lips being positioned opposite said one lip and at either side of said one lip and spaced therefrom, whereby said cover may be pushed down over said bead and the lower face will cam the cover outwardly over the bead and after the upper face passes the bead it will lock under the bead and prevent a reverse movement until after the tear strip is separated outwardly thereupon disengaging said one lip from the bead.
2. A cover as set forth in claim 1, wherein the remainder of the lips comprise at least three lips, one of the three being across from the tear strip and the other two at opposite sides thereof.
3. A cover as set forth in claim 1, including a pair of integral ribs respectively spaced at opposite sides of said tear strip and positioned generally parallel to said lines.
4. A cover as set forth in claim 2, wherein said other two are closer to said one of the three than they are to the lip on the tear stgip.
Claims (4)
1. A ''''tamper-proof'''' cover for a container having an outwardly projecting circumferential bead, said cover comprising: an inverted cup shaped member molded from plastic and having an open lower end and a closed upper end and an inner wall defining an internal opening of a diameter approximately equal to the external diameter of the bead, two lines at which the plastic is substantially thinner than it is in the remainder of the cap and defining a tear strip extending along one side of the cup from the open end toward the closed end and a handle at the lower end of the tear strip, said handle projecting from the tear strip at the distal end thereof, notches where said two lines meet the open end, circumferentially positioned reinforcing rib means integral with the wall, above the level of the top of said lines, longer than the distance between the lines, and extending inwardly from the inner wall, second means integral with the wall defining locking lips aligned circumferentially about the inside of the cup above the open end thereof, said lips having an upper face substantially normal to said inner wall and a lower face tapering from the distal end of the upper face downwardly and toward said inner wall adjacent said open end, one of said lips being on said tear strip, the remainder of the lips being positioned opposite said one lip and at either side of said one lip and spaced therefrom, whereby said cover may be pushed down over said bead and the lower face will cam the cover outwardly over the bead and after the upper face passes the bead it will lock under the bead and prevent a reverse movement until after the tear strip is separated outwardly thereupon disengaging said one lip from the bead.
2. A cover as set forth in claim 1, wherein the remainder of the lips comprise at least three lips, one of the three being across from the tear strip and the other two at opposite sides thereof.
3. A cover as set forth in claim 1, including a pair of integral ribs respectively spaced at opposite sides of said tear strip and positioned generally parallel to said lines.
4. A cover as set forth in claim 2, wherein said other two are closer to said one of the three than they are to the lip on the tear strip.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US7117670A | 1970-09-10 | 1970-09-10 |
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US3684124A true US3684124A (en) | 1972-08-15 |
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US71176A Expired - Lifetime US3684124A (en) | 1970-09-10 | 1970-09-10 | Tamper-proof overcap for can |
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Cited By (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3904259A (en) * | 1974-02-22 | 1975-09-09 | Boeing Co | Magnetic tape cassette storage containers |
US4170316A (en) * | 1974-12-05 | 1979-10-09 | Labarbera Mannie | Over-cap closure device |
US4712705A (en) * | 1987-01-30 | 1987-12-15 | Stoffel Seals Corporation | Tamper indicating cap seal for container valves |
US4784296A (en) * | 1986-01-03 | 1988-11-15 | Cap Snap Co. | Cap for keg dispenser |
US4795028A (en) * | 1987-11-25 | 1989-01-03 | Erie Plastics Corp. | Combination beverage package |
US4962864A (en) * | 1988-04-27 | 1990-10-16 | Clayton Corporation | Tamper-evident aerosol cap |
US5137175A (en) * | 1990-02-28 | 1992-08-11 | Gmi Engineering & Management Institute | Fluid storing and dispensing |
US5722568A (en) * | 1996-09-13 | 1998-03-03 | Summit Packaging Systems, Inc. | Tamper-evident aerosol cap |
US5842592A (en) * | 1998-04-13 | 1998-12-01 | Creative Packaging Corp. | Tamper-evident snap on cap with tear lever |
US5996833A (en) * | 1997-11-05 | 1999-12-07 | Sonoco Development, Inc. | Tamper evident dust cover for a drum bung |
JP2000072166A (en) * | 1998-08-26 | 2000-03-07 | Kazuto Nakamura | Recycling cap |
US6070765A (en) * | 1998-06-17 | 2000-06-06 | Delta Industries, Inc. | Tampering indicating cover for aerosol valve |
US6286702B1 (en) * | 1999-11-16 | 2001-09-11 | Henry Buermann | Pressure release safety cap |
US20030201266A1 (en) * | 2002-04-30 | 2003-10-30 | Alliance Plastics | Protective valve cap |
US6644491B2 (en) * | 2001-08-20 | 2003-11-11 | Berry Plastics Corporation | Tamper-evident cap |
US20040173563A1 (en) * | 2001-06-26 | 2004-09-09 | Kim Sungsuk Steve | Bottle cap having tear tab and sealing bead |
US20050092751A1 (en) * | 2002-03-07 | 2005-05-05 | Brasilata S/A Embalagens Metalicas | Plastic lid for a can |
US20050230342A1 (en) * | 2002-07-11 | 2005-10-20 | Enrico Folchini | Tamperproof closing element for beverage containers |
US20060043053A1 (en) * | 2004-08-31 | 2006-03-02 | Coy Herald | Tamper-evident plug seal closure |
WO2008034065A2 (en) * | 2006-09-15 | 2008-03-20 | Protective Industries, Inc. | Gas bottle valve stem protective sleeve |
US20080232927A1 (en) * | 2007-03-22 | 2008-09-25 | Alliance Plastics | Protective cap |
US20100224630A1 (en) * | 2009-03-06 | 2010-09-09 | Petlak Frank A | Tamper Evident Container With Pull Tab |
US20110049172A1 (en) * | 2009-08-31 | 2011-03-03 | Chaim Shemesh | Seal for beverage can/bottle providing hygiene and confidence in hygiene |
US20110210134A1 (en) * | 2006-09-15 | 2011-09-01 | Zeyfang Rederick W | Gas bottle valve stem protective sleeve |
US20120187126A1 (en) * | 2009-08-31 | 2012-07-26 | Chaim Shemesh | Reusable tamper-evident cover that protects beverage containers' drinking area, also once that area is re-covered |
US20130206136A1 (en) * | 2010-06-24 | 2013-08-15 | Boehringer Ingelheim International Gmbh | Nebulizer |
US20140117040A1 (en) * | 2006-04-28 | 2014-05-01 | James Alexander Corporation | Multi-chambered dispenser and process |
US20140227019A1 (en) * | 2008-01-29 | 2014-08-14 | James Alexander Corporation | Dispenser and Process |
US20150136774A1 (en) * | 2009-08-31 | 2015-05-21 | Chaim Shemesh | Reusable tamper-evident cover for beverage cans |
USD739500S1 (en) | 2014-03-06 | 2015-09-22 | Hyperkinetics Corporation | Valve cover |
US10004857B2 (en) | 2013-08-09 | 2018-06-26 | Boehringer Ingelheim International Gmbh | Nebulizer |
US10016568B2 (en) | 2009-11-25 | 2018-07-10 | Boehringer Ingelheim International Gmbh | Nebulizer |
US10124129B2 (en) | 2008-01-02 | 2018-11-13 | Boehringer Ingelheim International Gmbh | Dispensing device, storage device and method for dispensing a formulation |
US10124125B2 (en) | 2009-11-25 | 2018-11-13 | Boehringer Ingelheim International Gmbh | Nebulizer |
US10220163B2 (en) | 2012-04-13 | 2019-03-05 | Boehringer Ingelheim International Gmbh | Nebuliser with coding means |
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US2643015A (en) * | 1949-12-08 | 1953-06-23 | Dev Res Inc | Tamperproof container closure |
US3480184A (en) * | 1967-07-20 | 1969-11-25 | Henry Richard Landis | Protective closure for aerosol containers |
-
1970
- 1970-09-10 US US71176A patent/US3684124A/en not_active Expired - Lifetime
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US2643015A (en) * | 1949-12-08 | 1953-06-23 | Dev Res Inc | Tamperproof container closure |
US3480184A (en) * | 1967-07-20 | 1969-11-25 | Henry Richard Landis | Protective closure for aerosol containers |
Cited By (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3904259A (en) * | 1974-02-22 | 1975-09-09 | Boeing Co | Magnetic tape cassette storage containers |
US4170316A (en) * | 1974-12-05 | 1979-10-09 | Labarbera Mannie | Over-cap closure device |
US4784296A (en) * | 1986-01-03 | 1988-11-15 | Cap Snap Co. | Cap for keg dispenser |
US4712705A (en) * | 1987-01-30 | 1987-12-15 | Stoffel Seals Corporation | Tamper indicating cap seal for container valves |
US4795028A (en) * | 1987-11-25 | 1989-01-03 | Erie Plastics Corp. | Combination beverage package |
US4962864A (en) * | 1988-04-27 | 1990-10-16 | Clayton Corporation | Tamper-evident aerosol cap |
US5137175A (en) * | 1990-02-28 | 1992-08-11 | Gmi Engineering & Management Institute | Fluid storing and dispensing |
US5722568A (en) * | 1996-09-13 | 1998-03-03 | Summit Packaging Systems, Inc. | Tamper-evident aerosol cap |
US5996833A (en) * | 1997-11-05 | 1999-12-07 | Sonoco Development, Inc. | Tamper evident dust cover for a drum bung |
US5842592A (en) * | 1998-04-13 | 1998-12-01 | Creative Packaging Corp. | Tamper-evident snap on cap with tear lever |
US6070765A (en) * | 1998-06-17 | 2000-06-06 | Delta Industries, Inc. | Tampering indicating cover for aerosol valve |
JP2000072166A (en) * | 1998-08-26 | 2000-03-07 | Kazuto Nakamura | Recycling cap |
JP4509237B2 (en) * | 1998-08-26 | 2010-07-21 | 一人 中村 | Recycling cap |
US6286702B1 (en) * | 1999-11-16 | 2001-09-11 | Henry Buermann | Pressure release safety cap |
US20040173563A1 (en) * | 2001-06-26 | 2004-09-09 | Kim Sungsuk Steve | Bottle cap having tear tab and sealing bead |
US7281636B2 (en) * | 2001-06-26 | 2007-10-16 | Portola Packaging, Inc. | Bottle cap having tear tab and sealing bead |
US6644491B2 (en) * | 2001-08-20 | 2003-11-11 | Berry Plastics Corporation | Tamper-evident cap |
US7731048B2 (en) * | 2002-03-07 | 2010-06-08 | Brasilata S/A Embalagens Metalicas | Closure assembly with breakaway sealing portion with gripping tab |
US20050092751A1 (en) * | 2002-03-07 | 2005-05-05 | Brasilata S/A Embalagens Metalicas | Plastic lid for a can |
US6854616B2 (en) * | 2002-04-30 | 2005-02-15 | Alliance Plastics | Protective valve cap |
US20030201266A1 (en) * | 2002-04-30 | 2003-10-30 | Alliance Plastics | Protective valve cap |
US20050230342A1 (en) * | 2002-07-11 | 2005-10-20 | Enrico Folchini | Tamperproof closing element for beverage containers |
US20060043053A1 (en) * | 2004-08-31 | 2006-03-02 | Coy Herald | Tamper-evident plug seal closure |
US20140117040A1 (en) * | 2006-04-28 | 2014-05-01 | James Alexander Corporation | Multi-chambered dispenser and process |
US10464719B2 (en) * | 2006-04-28 | 2019-11-05 | James Alexander Corporation | Multi-chambered dispenser and process |
WO2008034065A2 (en) * | 2006-09-15 | 2008-03-20 | Protective Industries, Inc. | Gas bottle valve stem protective sleeve |
US7681587B2 (en) | 2006-09-15 | 2010-03-23 | Protective Industries, Inc. | Gas bottle valve stem protective sleeve |
WO2008034065A3 (en) * | 2006-09-15 | 2008-05-08 | Protective Ind Inc | Gas bottle valve stem protective sleeve |
US20080066809A1 (en) * | 2006-09-15 | 2008-03-20 | Zeyfang Frederick W | Gas bottle valve stem protective sleeve |
US20110210134A1 (en) * | 2006-09-15 | 2011-09-01 | Zeyfang Rederick W | Gas bottle valve stem protective sleeve |
US8141578B2 (en) | 2006-09-15 | 2012-03-27 | Protective Industries, Inc. | Gas bottle valve stem protective sleeve |
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