US2870935A - Container seal - Google Patents

Container seal Download PDF

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Publication number
US2870935A
US2870935A US484398A US48439855A US2870935A US 2870935 A US2870935 A US 2870935A US 484398 A US484398 A US 484398A US 48439855 A US48439855 A US 48439855A US 2870935 A US2870935 A US 2870935A
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US
United States
Prior art keywords
cover
opening
seal
container
lid
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
Application number
US484398A
Inventor
Houghtelling Ayres
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZANNE KAAREN BLACKMER
Original Assignee
SUZANNE KAAREN BLACKMER
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 SUZANNE KAAREN BLACKMER filed Critical SUZANNE KAAREN BLACKMER
Priority to US484398A priority Critical patent/US2870935A/en
Application granted granted Critical
Publication of US2870935A publication Critical patent/US2870935A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D17/00Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/50Non-integral frangible members applied to, or inserted in, preformed openings, e.g. tearable strips or plastic plugs
    • B65D17/501Flexible tape or foil-like material
    • B65D17/505Flexible tape or foil-like material applied to the external and internal part of the container wall
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2517/00Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001Details
    • B65D2517/001Action for opening container
    • B65D2517/0013Action for opening container pull-out tear panel, e.g. by means of a tear-tab
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2517/00Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/0001Details
    • B65D2517/0058Other details of container end panel
    • B65D2517/0059General cross-sectional shape of container end panel
    • B65D2517/0061U-shaped
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2517/00Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/50Non-integral frangible members applied to, or inserted in, a preformed opening
    • B65D2517/5002Details of flexible tape or foil-like material
    • B65D2517/5008Details of flexible tape or foil-like material with a sealing coat
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2517/00Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/50Non-integral frangible members applied to, or inserted in, a preformed opening
    • B65D2517/5002Details of flexible tape or foil-like material
    • B65D2517/5024Material
    • B65D2517/5027Single layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2517/00Containers specially constructed to be opened by cutting, piercing or tearing of wall portions, e.g. preserving cans or tins
    • B65D2517/50Non-integral frangible members applied to, or inserted in, a preformed opening
    • B65D2517/5072Details of hand grip, tear- or lift-tab
    • B65D2517/5083Details of hand grip, tear- or lift-tab with means facilitating initial lifting of tape, e.g. lift or pull-tabs

Description

Jan. 27, 1959 A. HouGHTELLlNG 2,870,935

CONTAINER SEAL` Filed Jan. 27, 1955 CONTAINER SEAL Ayres Houghtelling, New York, N. Y., assignmof fifty percent to Suzanne Kaal-en Biackmer, Satishury, C.

Application January 27, 1955, Serial No. 434,398

4 Claims. (Cl. 220-53) This invention relates to sealed cans or containers which can be opened to permit the removal of the con` and this coating coheres or unites with the cover to pro` duce an effective seal for the opening.

If an adhesive material has been applied to the underside ofthe cover, the plastic seal will also serve to prevent the contents of the container from coming into contact with the adhesive material at the opening.

When it is desired to provide access to the contents of the container, the cover may be easilyv lifted away from the lid, and to facilitate the removal of the cover, it may be provided with a tab portion which may be conveniently gripped with the fingers. Because the thin inner plastic seal is united with the underside of the cover, the portion of the seal across the opening comes away cleanly with the cover without forming jagged edges around the outline of the opening.

A container sealed in the manner of the present invention is .airtight so that food and other substances which have a tendency to spoil when exposed to air may be safely packaged therein. Moreover, the seal, although readily and conveniently removed merely by lifting or peeling off the cover in the manner aforesaid, is sufficiently rugged to withstand the temperatures and the treatment to which such merchandise is ordinarily subjected, such as temperatures required by the pasteurization process in the case of beer. A particularly important advantage of the present invention, however, is the fact that no tools, can openers o-r other implements are necessary to open the container.

The present invention will be more fully understood by reference to the detailed description which foilows and to the accompanying drawings in which:

Figure l is an exploded perspective view of the lid of a container which embodies the present invention and of the removable cover which normally overlies the opening in the lid;

Figure 2 is a View similar to Figure l showing the cover applied to the lid and illustrating the tab end of the cover lifted as it would be when it is desired to peel oit the removable cover;

Figure 3 is a perspective view showing the underside of the lid; i

Figures 4 .and 5 are cross-section views taken on the lines 4-4 and 5--5, respectively, of Figure 3 looking in the direction of the arrows;

Figure 6 is a perspective View of the container of the present invention as it would be merchandised;

2,870,935 `Patented Jan. 27, 195% Figure 7 is a view similar to Figure 6 illustrating the` removal of the cover; and

`Figure 8 is a perspective representation of the container with the cover removed and illustrating the manner in which the contents may be poured from the opening.

Referring to the drawings, a lid 10 for the container 11 of the present invention is formed with an opening 12 therein. The lid may be produced separately from thebody `of the container, and afterthe opening 12 is suitably sealed according to the present invention, the lid may be applied by known methods to the open end of the container.

Although the opening may take various shapes, the key hole shape represented in the drawings is preferred. The body of the opening is formed near the periphery of the lid with a curved edge 12a defining the base thereof, and an elongated slot 12b extends from the opposite edge in the direction of the center of the lid. lf the contents can `be poured, this shape opening permits a rapid ow `(see Fig. 8) through the opening over the edge 12a, and the slot 12b serves to admit air.

A flexible coverl overlies the opening 12, and the tiexibie cover may be formed with an extended portion 13a which serves as .a tab to facilitate the removal of the cover. The cover shouid be sufficiently liexible to permit the tab end thereof to be lifted away from the surface of the lid and to permit the cover to be peeled4 off; however, it is also desired that it have sufficient iirmness and toughness to form a rigid cover for the opening capable of withstanding really rugged handling. The covermay be made of any suitable flexible material satisfying these requirements, preferably a flexible thermoplastic material, such as a vinyl plastic or polyethylene, or other polymeric, plastic material, or of a lieXible material coated with a liexible thermoplastic material.

rThe underside of the cover 13 has an adhesive material 15 applied thereto (see Fig. 2) so that the cover may be aflixed to the lid and remain affixed during handling. The adhesive material may be eliminated from the surface 15a (see Fig. 2) at the extreme end of the tab 13a to facilitate its removal.

With the cover 13 attached to the upper surface of the lid ofthe container and overlying the opening 12., a thin sealing material 16, for example a thermoplastic such `as a vinyl plastic or polyethylene and preferably of the same material as the cover 13, may be applied or sprayed to the underside of the lid and to the underside of the cover 13 exposed by the opening 12 when the lid is inverted, thereby providing a high tensile strength, resilient film inner seal. To insure that the portion of the inner seal 16 across the opening 12. will' be removed with the cover 1?, it is necessary that the seal cohere or be united with the portion of the cover with which it comes into contact, especially immediately adjacent and inside of the edge forming the opening 12. rlhis may be accomplished by use of a strong adhesive bond between the seal 16 and the cover 13, but preferably if both are thermoplastic materials they are joined together by heat sealing. The inner seal 16 serves to form, with the cover 13, an airtightseal for the opening, helps to maintain the cover 13 in place over the opening 12 and prevents the contents of the container from coming into contact with the adhesive material 15.

The inner seal 16 may, if desired, be sprayed in liquid' form against the undersides of the lid and cover, or it may be pre-formed, for example .as a disc, and inserted in place. The seal 16 may or may not adhere to the underside of" the li-d surrounding the opening.

As mentioned above, when the opening has been sealed.`

as set forth above, the lid may be applied to the container according to conventional methods. When it is desired to open the can to provide access to the contents, the tab 13a may be lifted away Yfrom the surfaceof the lid, grasped with the ngers and peeled off, the portion of the sealv across the key-hole opening coming away cleanly with the` cover as shown ,in Figure 7. The. re-

moval of the inner seal 16 cleanly without forming jagged edges around the hole will be facilitated if the inner seal is formed as .a thin filmV orcoating, or if it-is a softer substance than the material of the cover 13. The clean removal of theinner seal 16 is also facilitated by the fact that the portion of the inner seal 16 adjacent the edge of the opening 12in the lid forms a shoulder whichv defines a break line for the seal. With the cover removed, the contents of the container may be readily emptied, as illustrated in Figure 8.

The invention has been shown and described in a preferredform and by way of exampletonly, and obviously many variations and modifications may be made therein without departing from the spirit of the invention. It is to be understood therefore that the invention is not to belimited to any specified form or embodiment, except v insofar as such limitations are set forth in the appended claims.

I claim:

l. ln a container, a rigid wall having a pre-formed opening therein, a preformed, cover of a polymeric, plastic material overlying the edge defining said pre-formed opening in the rigid wall and being detachably secured to the outer surface of the rigid wall surrounding the opening therein, said cover being formed with an edge portion thereof which serves as a lift tab for the cover, and a semi-rigid, relatively thin inner seal of the same material as the cover,\the inner seal adhering to the inner surface of the rigidwall surrounding the edge detining the pre-formed opening and fused to the portion of the underside of the semi-rigid cover which is exposed by the preformed opening, forming an integral coherent structure across the-opening whereby the removal of the outer cover will lift with it the inner seal against the edge deining the opening, thereby severing for removal with the cover only that part of the inner seal which is coincident with the opening in the wall', the remaining portion of the inner seal still adhering to the inner surface of the wall so as not to fall into the container.

2. In a container, a-metal wall having a pre-formed opening therein7 a pre-formed cover of a polymeric, plastic material overlying the edge defining the opening and being detachably secured to the outer surface of the metal wall' surrounding the opening therein, said cover being formed with an edge portion thereof which serves conveniently as a lift tab for the cover, and an inner seal of a polymeric, plastic material adhering to the inner surface of the metal wall surrounding the edge defining the opening and being-fused to the underside of the cover at the opening to form a coherent structure, whereby the removal of the outer cover will lift with it and sever only that portion of the inner seal which is coincident with the opening in the wall to provide access to the contents of the container.

3. The combination'set forth in claim 2 wherein the outer cover and the inner seal are made of the same polymeric, plastic material.

4. A metal container for a pressurized fluid comprising a metal wall of the container having a preformed opening therein, a pre-formed cover of a polymeric, plastic material overlying the opening defined in the metal wall, said cover being detachably'secured to the outer` surface of the metalfwall surrounding the opening and having aifree end portion which servesas apull tab to facilitate the liftingof said cover away from ythe surface of the metal wall, a relatively thin inner coating of a polymeric,

plastic material adhering to the inner surface of the metal wall surroundingthe opening and being fused toithe underside of the cover at the said opening to form a coherent sealing structure, the cover andthe inner coating being of the same polymeric plastic material, which material is highly resistant to permanentL deformation at 1 normal atmospheric temperatures by the internal pressure within the container, the rigidity of the inner coating re-` inforcing the outer cover against internal pressure and the action of the internal pressure against the inner coating supplementing ,the sealing action between the inner coating vand the inner surface of the wall surrounding thel opening, whereby the removal of the outer cover from the outer surface of the metalwall lifts the inner coating against the metal edge defining the opening, permit-` tingonl'y that portion of the inner coating which is coincident with the opening to be removed with the outer cover.

References Cited in the file of this patent UNITED STATES PATENTS 358,959 Bopp Mar. 8, 1887' 638,389 Hannis Dec. 5, 1899` 1,459,110 Loufek June 19, 1923 2,146,226 Punte Feb. 7, 1939 2,147,004 Wark Feb. 14, 1939 FOREIGN PATENTS 632,222 Great Britain Nov. 18, 1949

US484398A 1955-01-27 1955-01-27 Container seal Expired - Lifetime US2870935A (en)

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Cited By (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3089609A (en) * 1961-01-09 1963-05-14 D Andrea A Ralph Receptacle and opening means therefor
US3101879A (en) * 1961-01-26 1963-08-27 Jagenberg Werke Ag Container of paper, cardboard or like carton-forming material
US3119509A (en) * 1961-11-01 1964-01-28 Frank R Livesay Container closure
US3127082A (en) * 1964-03-31 And like cartoxing m materials
US3151766A (en) * 1961-02-10 1964-10-06 Continental Can Co Pull tab tear strip combination for metal can end
US3151765A (en) * 1963-01-21 1964-10-06 Ekco Containers Inc Re-closable hermetically sealed container
US3159303A (en) * 1961-08-04 1964-12-01 Acme Plate & Mat Company Tear-open sealed containers
US3186582A (en) * 1961-10-30 1965-06-01 Continental Can Co Pivoted pull handle for easy opening scored ham can end
US3187932A (en) * 1961-10-04 1965-06-08 Reynolds Metals Co Container and method of making the same or the like
US3187931A (en) * 1961-02-10 1965-06-08 Continental Can Co Plastic pull tab adhesively secured to metal strip
US3190485A (en) * 1961-10-19 1965-06-22 D Andrea Angelo Ralph Receptacle having means for providing a pour opening in a wall thereof
US3197059A (en) * 1963-06-19 1965-07-27 United States Steel Corp Metal can end
DE1198693B (en) * 1959-10-12 1965-08-12 Metal Box Co Ltd can closure
US3200985A (en) * 1963-07-31 1965-08-17 United Shoe Machinery Corp Container opening devices
US3202271A (en) * 1962-12-11 1965-08-24 Quaker Oats Co Easy opening container
DE1202159B (en) * 1961-02-07 1965-09-30 United Shoe Machinery Corp Tear-off closure existing for particular Tins
US3217951A (en) * 1961-03-30 1965-11-16 Fr Hesser Maschinenfabrik Ag F Closure means for containers
US3241708A (en) * 1963-12-04 1966-03-22 Fernando M Ronci Pull tab can opener
US3281009A (en) * 1964-11-02 1966-10-25 Phillips Petroleum Co Container with pull tab which serves as a seal and drinking surface
US3281024A (en) * 1964-05-20 1966-10-25 Continental Can Co Easy opening container end and closure member therefor
US3283945A (en) * 1964-12-21 1966-11-08 Aluminum Co Of America Container opening device
US3292828A (en) * 1964-09-17 1966-12-20 Nat Can Corp Easy opening can end
US3302818A (en) * 1964-05-13 1967-02-07 American Can Co Container with easy-open end
US3312368A (en) * 1964-09-09 1967-04-04 Reynolds Metals Co Easy-open can end
US3314569A (en) * 1965-01-27 1967-04-18 Mayer & Co Inc O Container closure
US3321123A (en) * 1964-11-02 1967-05-23 Phillips Petroleum Co Heat sealed pull tab
US3338462A (en) * 1965-03-11 1967-08-29 Reynolds Metals Co Easy open can end with preformed pouring aperture
US3339788A (en) * 1965-10-22 1967-09-05 Nat Can Corp Container
US3341057A (en) * 1964-12-01 1967-09-12 Continental Can Co Easy opening container end
US3355059A (en) * 1964-05-13 1967-11-28 American Can Co Laminate with severable portion
US3365095A (en) * 1964-06-26 1968-01-23 Nat Can Corp Container with integral tear strip
US3369689A (en) * 1964-09-11 1968-02-20 American Can Co Easy-open container closure
US3371811A (en) * 1964-11-20 1968-03-05 Corning Glass Works Container closure
US3389827A (en) * 1967-04-10 1968-06-25 Minnesota Mining & Mfg Easy-open container and sealing tape
US3397811A (en) * 1967-04-17 1968-08-20 Nat Can Corp Tear-out can end with organic inner seal member
US3404799A (en) * 1965-04-16 1968-10-08 Continental Can Co Container
US3454197A (en) * 1967-08-10 1969-07-08 Thomas R Thompson Container having a tearaway pull tab and a flexible bladder in the container attached to the pull tab
US3552631A (en) * 1966-10-06 1971-01-05 Tetra Pak Ab Packaging material having a strip on one side and covering tapes on the other side
US3666138A (en) * 1970-06-15 1972-05-30 Nat Can Corp Container closure
FR2175856A1 (en) * 1972-03-13 1973-10-26 American Can Co
JPS49137952U (en) * 1973-03-30 1974-11-27
US3946896A (en) * 1971-10-26 1976-03-30 Lemelson Jerome H Container with tear-weld opening means
US3990615A (en) * 1974-09-18 1976-11-09 The Continental Group, Inc. Convenience opening of containers for liquid products
US3990603A (en) * 1975-12-09 1976-11-09 Minnesota Mining And Manufacturing Company Easy open closure system
US4113103A (en) * 1976-07-08 1978-09-12 Tetra Pak International Ab Opening arrangement for packing containers
US4135637A (en) * 1978-02-07 1979-01-23 Minnesota Mining And Manufacturing Company Center venting closure system
DE2849756A1 (en) * 1978-11-16 1980-05-29 Eckes Fa Peter Container with detachable sealing portion - has grip strip glued to portion in raised section of cover
US4473168A (en) * 1983-09-28 1984-09-25 The Procter & Gamble Company Overcap having a resiliently deformable member for resealing dispensing aperture in integral container lid
US4550851A (en) * 1984-01-16 1985-11-05 Ernest R. Garrett Container top opening means
US4557398A (en) * 1984-08-17 1985-12-10 International Paper Company End closure structure for a container
US4562936A (en) * 1985-02-12 1986-01-07 The Procter & Gamble Company Easy-open laminated container with optional reclosing means and method of making
US4723391A (en) * 1984-12-13 1988-02-09 Metal Box Public Limited Company Containers
US20040079765A1 (en) * 2002-10-29 2004-04-29 Johnson & Johnson Consumer Companies, Inc. Tamper-evident dispenser bottle
WO2008107323A1 (en) * 2007-03-02 2008-09-12 Crown Packaging Technology, Inc Metal containers
CN101868410B (en) * 2007-11-21 2014-07-02 印普瑞思集团有限公司 Container and membrane therefore
USD739728S1 (en) * 2011-11-28 2015-09-29 Christopher P Schorre Pull tab
USD781707S1 (en) 2011-11-28 2017-03-21 WingTab LLC Beverage can pull tab

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US358959A (en) * 1887-03-08 Cheistophee bopp
US638389A (en) * 1899-02-09 1899-12-05 Charles M Hannis Device for mending rubber tires.
US1459110A (en) * 1921-12-03 1923-06-19 Iowa Can Company Paper carton
US2146226A (en) * 1938-01-07 1939-02-07 Continental Can Co Milk can
US2147004A (en) * 1937-09-22 1939-02-14 Wark Samuel Arnold Beer can
GB632222A (en) * 1947-03-19 1949-11-18 Frank D Palmer Inc Improvements in paper cartons

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US358959A (en) * 1887-03-08 Cheistophee bopp
US638389A (en) * 1899-02-09 1899-12-05 Charles M Hannis Device for mending rubber tires.
US1459110A (en) * 1921-12-03 1923-06-19 Iowa Can Company Paper carton
US2147004A (en) * 1937-09-22 1939-02-14 Wark Samuel Arnold Beer can
US2146226A (en) * 1938-01-07 1939-02-07 Continental Can Co Milk can
GB632222A (en) * 1947-03-19 1949-11-18 Frank D Palmer Inc Improvements in paper cartons

Cited By (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127082A (en) * 1964-03-31 And like cartoxing m materials
DE1198693B (en) * 1959-10-12 1965-08-12 Metal Box Co Ltd can closure
US3089609A (en) * 1961-01-09 1963-05-14 D Andrea A Ralph Receptacle and opening means therefor
US3101879A (en) * 1961-01-26 1963-08-27 Jagenberg Werke Ag Container of paper, cardboard or like carton-forming material
DE1202159B (en) * 1961-02-07 1965-09-30 United Shoe Machinery Corp Tear-off closure existing for particular Tins
US3151766A (en) * 1961-02-10 1964-10-06 Continental Can Co Pull tab tear strip combination for metal can end
US3187931A (en) * 1961-02-10 1965-06-08 Continental Can Co Plastic pull tab adhesively secured to metal strip
US3217951A (en) * 1961-03-30 1965-11-16 Fr Hesser Maschinenfabrik Ag F Closure means for containers
US3159303A (en) * 1961-08-04 1964-12-01 Acme Plate & Mat Company Tear-open sealed containers
US3187932A (en) * 1961-10-04 1965-06-08 Reynolds Metals Co Container and method of making the same or the like
US3190485A (en) * 1961-10-19 1965-06-22 D Andrea Angelo Ralph Receptacle having means for providing a pour opening in a wall thereof
US3186582A (en) * 1961-10-30 1965-06-01 Continental Can Co Pivoted pull handle for easy opening scored ham can end
US3119509A (en) * 1961-11-01 1964-01-28 Frank R Livesay Container closure
US3202271A (en) * 1962-12-11 1965-08-24 Quaker Oats Co Easy opening container
US3151765A (en) * 1963-01-21 1964-10-06 Ekco Containers Inc Re-closable hermetically sealed container
US3197059A (en) * 1963-06-19 1965-07-27 United States Steel Corp Metal can end
US3200985A (en) * 1963-07-31 1965-08-17 United Shoe Machinery Corp Container opening devices
US3241708A (en) * 1963-12-04 1966-03-22 Fernando M Ronci Pull tab can opener
US3302818A (en) * 1964-05-13 1967-02-07 American Can Co Container with easy-open end
US3355059A (en) * 1964-05-13 1967-11-28 American Can Co Laminate with severable portion
US3281024A (en) * 1964-05-20 1966-10-25 Continental Can Co Easy opening container end and closure member therefor
US3365095A (en) * 1964-06-26 1968-01-23 Nat Can Corp Container with integral tear strip
US3312368A (en) * 1964-09-09 1967-04-04 Reynolds Metals Co Easy-open can end
US3369689A (en) * 1964-09-11 1968-02-20 American Can Co Easy-open container closure
US3292828A (en) * 1964-09-17 1966-12-20 Nat Can Corp Easy opening can end
US3321123A (en) * 1964-11-02 1967-05-23 Phillips Petroleum Co Heat sealed pull tab
US3281009A (en) * 1964-11-02 1966-10-25 Phillips Petroleum Co Container with pull tab which serves as a seal and drinking surface
US3371811A (en) * 1964-11-20 1968-03-05 Corning Glass Works Container closure
US3341057A (en) * 1964-12-01 1967-09-12 Continental Can Co Easy opening container end
US3283945A (en) * 1964-12-21 1966-11-08 Aluminum Co Of America Container opening device
US3314569A (en) * 1965-01-27 1967-04-18 Mayer & Co Inc O Container closure
US3338462A (en) * 1965-03-11 1967-08-29 Reynolds Metals Co Easy open can end with preformed pouring aperture
US3404799A (en) * 1965-04-16 1968-10-08 Continental Can Co Container
US3339788A (en) * 1965-10-22 1967-09-05 Nat Can Corp Container
US3552631A (en) * 1966-10-06 1971-01-05 Tetra Pak Ab Packaging material having a strip on one side and covering tapes on the other side
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