US3871550A - Push-in easy opening container - Google Patents

Push-in easy opening container Download PDF

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Publication number
US3871550A
US3871550A US365004A US36500473A US3871550A US 3871550 A US3871550 A US 3871550A US 365004 A US365004 A US 365004A US 36500473 A US36500473 A US 36500473A US 3871550 A US3871550 A US 3871550A
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United States
Prior art keywords
opening
closure
panel
flap
underside
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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
US365004A
Inventor
Wayne T Chiappe
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.)
Continental Can Co Inc
Original Assignee
Continental Can Co Inc
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Filing date
Publication date
Application filed by Continental Can Co Inc filed Critical Continental Can Co Inc
Priority to US365004A priority Critical patent/US3871550A/en
Priority to ZA00735788A priority patent/ZA735788B/en
Priority to DE2361522A priority patent/DE2361522C2/en
Application granted granted Critical
Publication of US3871550A publication Critical patent/US3871550A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/34—Arrangement or construction of pull or lift tabs
    • B65D17/36—Arrangement or construction of pull or lift tabs adapted for engagement with opening tools, e.g. slotted keys
    • 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
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/50—Non-integral frangible members applied to, or inserted in, preformed openings, e.g. tearable strips or plastic plugs
    • B65D17/506—Rigid or semi-rigid members, e.g. plugs

Definitions

  • the pour opening is sealed by a plastic closure having a portion permanently bound to the un- [56] References Cited derside of the end. A remaining portion is releasably adhered to the underside so that upon downward pres- 472 476 i T i PATENTS 20/32 sure on the closure, it is released and hinges about the e s 1 2,147,004 2/1939 w sri e t a1.
  • the present invention relates to easy opening containers and more particularly to an improved easy opening structure having a closure which is opened by the application of inward pressure to depress the closure into the container.
  • Push-in closures are well known as exemplified by US. Pat. Nos. 3,246,791, 3,334,775, and 3,236,409.
  • the structure disclosed in these patents includes a closure member which is formed from a separate piece of material or from the metal end closure itself. These structures also each have a raw cut edge exposed to the product prior to opening or a cut edge exposed after opening.
  • the raw exposed edge prior to opening should be covered to prevent exposure and reaction with the product.
  • the cut exposed edge after opening is undesirable because it may cause injury to the user of the container, particularly, if the container contents are of the type which may be consumed directly through the opening.
  • a plastic collar having a depending flange is seated in the opening and bonded to the end closure.
  • the depending flange is in overlying relationship to the cut edge to prevent exposure thereof.
  • a plastic closure member including an attachment ledge and a flap hingedly fastened thereto is bonded to the underside of the end closure to seal the opening.
  • the flap is releasably bonded to the end closure so as to be releasable and hingedly pivoted about the attachment ledge upon application of inward pressure thereon.
  • FIG. 1 is an enlarged fragmentary top plan view of another embodiment of the invention.
  • FIG. 2 is a cross-sectional view taken generally along the lines 2-2 of FIG. 1 showing the closure in the sealed position and in the open position in phantom lines.
  • FIG. 3 is a fragmentary enlarged cross-sectional view through still another embodiment of easy opening structure.
  • FIGS. 1 and 2 there is shown another embodiment of an easy opening arrangement 110 in which the panel 16 of the end closure of a container is provided with a pre-cut opening 111 having a pointed outer end 112 at the juncture of two inclined edges 113.
  • the inclined edges extend from two side edges 114 which may be inclined slightly at the other ends. The other ends of the sides are joined to an inner side edge 116.
  • a collar 118 Seated about the edges of the opening and shaped complementary thereto is a collar 118 made from a suitable plastic.
  • the collar 118 includes a downwardly depending flange 119 which is formed with a groove 121.
  • the groove 121 received the cut edges of the opening 111.
  • a closure 122 made from a suitable plastic such as polyethylene, polypropylene or the like of a contour generally similar to the opening is mounted on the underside of the panel 16.
  • the closure 122 includes a flap 123 and an attachment ledge 124.
  • the flap 123 is connected to the attachment ledge 124 along a hinge line 126 defined by an area of reduced cross-section.
  • the flap 123 includes a marginal edge portion 127 bounding the edges 113-113 and ll4ll4 and which is releasably bonded to the underside of the panel 16 while the attachment ledge 124 is permanently bonded thereto.
  • a button 128 may be formed on the upper side of the flap 123 to project above the collar 118. Upon the application of a downward force on the button 128, the marginal edge portion 127 of the flap 123 releases from the underside of the panel. The flap 123 and the tongue 117 are then free to be hinged or bend to the phantom line position shown in FIG. 2'to permit the contents of the container to be emptied through the opening.
  • the easy opening structure includes an opening 211 formed in the panel 16 of the embodiment of FIGS. 1 and 2. Seated about the edge of the opening 211 is a collar 212 having a groove 213 which receives the cut edge of the opening. A strap 214 hingedly connects a flap 216 thereto.
  • the flap 216 is formed with a raised portion 217 and a marginal edge portion 218 which is releasably bonded to the underside of the panel. Down ward pressure on the flap 216 causes the bond to be broken so that the flap 216 hinges at the hinge 214 to the phantom line position. In this position, the pour opening 211 is unobstructed to allow the contents to be emptied.
  • An easy opening end closure for a container com prising a metal panel, an opening formed in said panel, a closure made from plastic material underlying said opening and having a closure flap, flexible means providing an attachment band hingedly attached to said flap and permanently bonded to the underside of said panel and marginal edge portions about said flap releasably bonded to the underside of said panel about said opening, and said closure having a relatively inflexible thick button portion at one end and having a relatively thin flexible body portion between the band and button and said button projecting upwardly through the opening above the panel.
  • An easy opening end closure for a container comprising a metal panel, an opening formed in said panel, a closure made from plastic material underlying said opening and having a closure flap, flexible means providing an attachment band hingedly attached to said flap and permanently bonded to the underside of said panel and marginal edge portions about said flap releasably bonded to the underside of said panel about said opening, and a collar made from plastic material bonded about the edge of said opening to cover said edge, and said closure flap having a groove in alignment with said opening nesting'a lower edge portion of the collar therein.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cartons (AREA)
  • Closures For Containers (AREA)

Abstract

An easy opening end closure for a container in which the end closure includes a panel having a pre-cut pour opening. The pour opening is sealed by a plastic closure having a portion permanently bound to the underside of the end. A remaining portion is releasably adhered to the underside so that upon downward pressure on the closure, it is released and hinges about the permanently bonded portion.

Description

United States Patent 1191 [11] 3,871,550
Chiappe 1 Mar. 18, 1975 [5 1 PUSH-IN EASY OPENING CONTAINER 3,261,497 7/1966 Lipske 220/47 3,731,835 5/1973 Hawkins et al. 220/47 R [75] Inventor: Wayne ch'appet Hmsdale 3,779,417 12/1973 Klein 220/27 [73] Assignee: Continental Can Company, Inc.,
New York, NY, Primary Examiner-William I. Price Assistant Examiner-Steven M. Pollard [22] Flled: May 1973 Attorney, Agent, or Firm-John J. Kowalik; Joseph E. [21] Appl. NO; 365,004 Kerwin; William A. Dittmann 521 US. Cl. 220/339, 220/359 [57] ABSTRACT [51] Int 365d 41/00, 365d 43/14s 365d 51/04 An easy openmg end closure for a contamer 1n winch 581 Field of Search 220/47, 30, 32, 36, 51, the end closure includes a Panel having a P p 220/27, 53, 86 R, 375 5 opening. The pour opening is sealed by a plastic closure having a portion permanently bound to the un- [56] References Cited derside of the end. A remaining portion is releasably adhered to the underside so that upon downward pres- 472 476 i T i PATENTS 20/32 sure on the closure, it is released and hinges about the e s 1 2,147,004 2/1939 w sri e t a1. i i 220/47 permanently bonded Pomon' 3,217,951 11/1965 Pual 220/47 2 Claims, 3 Drawing Figures PUSH-IN EASY OPENING CONTAINER BACKGROUND AND SUMMARY OF THE INVENTION The present invention relates to easy opening containers and more particularly to an improved easy opening structure having a closure which is opened by the application of inward pressure to depress the closure into the container.
Push-in closures are well known as exemplified by US. Pat. Nos. 3,246,791, 3,334,775, and 3,236,409. The structure disclosed in these patents includes a closure member which is formed from a separate piece of material or from the metal end closure itself. These structures also each have a raw cut edge exposed to the product prior to opening or a cut edge exposed after opening.
The raw exposed edge prior to opening should be covered to prevent exposure and reaction with the product. The cut exposed edge after opening is undesirable because it may cause injury to the user of the container, particularly, if the container contents are of the type which may be consumed directly through the opening.
By the present invention, it is proposed to provide an easy opening structure of the push-in type which obviates the difficulties encountered heretofore with regard to cut-edges.
This is accomplished generally by providing the end closure of the container with a pre-cut pour opening. A plastic collar having a depending flange is seated in the opening and bonded to the end closure. The depending flange is in overlying relationship to the cut edge to prevent exposure thereof. A plastic closure member including an attachment ledge and a flap hingedly fastened thereto is bonded to the underside of the end closure to seal the opening. The flap is releasably bonded to the end closure so as to be releasable and hingedly pivoted about the attachment ledge upon application of inward pressure thereon.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an enlarged fragmentary top plan view of another embodiment of the invention.
FIG. 2 is a cross-sectional view taken generally along the lines 2-2 of FIG. 1 showing the closure in the sealed position and in the open position in phantom lines.
FIG. 3 is a fragmentary enlarged cross-sectional view through still another embodiment of easy opening structure.
DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring now to FIGS. 1 and 2, there is shown another embodiment of an easy opening arrangement 110 in which the panel 16 of the end closure of a container is provided with a pre-cut opening 111 having a pointed outer end 112 at the juncture of two inclined edges 113. The inclined edges extend from two side edges 114 which may be inclined slightly at the other ends. The other ends of the sides are joined to an inner side edge 116.
Seated about the edges of the opening and shaped complementary thereto is a collar 118 made from a suitable plastic. The collar 118 includes a downwardly depending flange 119 which is formed with a groove 121. The groove 121 received the cut edges of the opening 111.
A closure 122 made from a suitable plastic such as polyethylene, polypropylene or the like of a contour generally similar to the opening is mounted on the underside of the panel 16. The closure 122 includes a flap 123 and an attachment ledge 124. The flap 123 is connected to the attachment ledge 124 along a hinge line 126 defined by an area of reduced cross-section.
The flap 123 includes a marginal edge portion 127 bounding the edges 113-113 and ll4ll4 and which is releasably bonded to the underside of the panel 16 while the attachment ledge 124 is permanently bonded thereto.
A button 128 may be formed on the upper side of the flap 123 to project above the collar 118. Upon the application of a downward force on the button 128, the marginal edge portion 127 of the flap 123 releases from the underside of the panel. The flap 123 and the tongue 117 are then free to be hinged or bend to the phantom line position shown in FIG. 2'to permit the contents of the container to be emptied through the opening.
Referring now to FIG. 3, there is shown a third embodiment of easy opening construction 200. The easy opening structure includes an opening 211 formed in the panel 16 of the embodiment of FIGS. 1 and 2. Seated about the edge of the opening 211 is a collar 212 having a groove 213 which receives the cut edge of the opening. A strap 214 hingedly connects a flap 216 thereto. The flap 216 is formed with a raised portion 217 and a marginal edge portion 218 which is releasably bonded to the underside of the panel. Down ward pressure on the flap 216 causes the bond to be broken so that the flap 216 hinges at the hinge 214 to the phantom line position. In this position, the pour opening 211 is unobstructed to allow the contents to be emptied.
What is claimed is:
1. An easy opening end closure for a container com prising a metal panel, an opening formed in said panel, a closure made from plastic material underlying said opening and having a closure flap, flexible means providing an attachment band hingedly attached to said flap and permanently bonded to the underside of said panel and marginal edge portions about said flap releasably bonded to the underside of said panel about said opening, and said closure having a relatively inflexible thick button portion at one end and having a relatively thin flexible body portion between the band and button and said button projecting upwardly through the opening above the panel.
2. An easy opening end closure for a container comprising a metal panel, an opening formed in said panel, a closure made from plastic material underlying said opening and having a closure flap, flexible means providing an attachment band hingedly attached to said flap and permanently bonded to the underside of said panel and marginal edge portions about said flap releasably bonded to the underside of said panel about said opening, and a collar made from plastic material bonded about the edge of said opening to cover said edge, and said closure flap having a groove in alignment with said opening nesting'a lower edge portion of the collar therein.

Claims (2)

1. An easy opening end closure for a container comprising a metal panel, an opening formed in said panel, a closure made from plastic material underlying said opening and having a closure flap, flexible means providing an attachment band hingedly attached to said flap and permanently bonded to the underside of said panel and marginal edge portions about said flap releasably bonded to the underside of said panel about said opening, and said closure having a relatively inflexible thick button portion at one end and having a relatively thin flexible body portion between the band and button and said button projecting upwardly through the opening above the panel.
2. An easy opening end closure for a container comprising a metal panel, an opening formed in said panel, a closure made from plastic material underlying said opening and having a closure flap, flexible means providing an attachment band hingedly attached to said flap and permanently bonded to the underside of said panel and marginal edge portions about said flap releasably bonded to the underside of said panel about said opening, and a collar made from plastic material bonded about the edge of said opening to cover said edge, and said closure flap having a groove in alignment with said opening nesting a lower edge portion of the collar therein.
US365004A 1973-05-29 1973-05-29 Push-in easy opening container Expired - Lifetime US3871550A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US365004A US3871550A (en) 1973-05-29 1973-05-29 Push-in easy opening container
ZA00735788A ZA735788B (en) 1973-05-29 1973-08-23 Push-in easy opening container
DE2361522A DE2361522C2 (en) 1973-05-29 1973-12-11 Tear-open lid for cans or the like. Containers with a pouring opening prefabricated from sheet metal in the lid surface by punching

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US365004A US3871550A (en) 1973-05-29 1973-05-29 Push-in easy opening container

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3952914A (en) * 1975-02-24 1976-04-27 Vogt Kuno J Re-sealable container lid
US3982658A (en) * 1974-10-09 1976-09-28 Continental Can Company, Inc. Easy opening container with retained closure
US4078695A (en) * 1975-07-16 1978-03-14 Crown Cork & Seal Company, Inc. Easy-opening can end and method of opening
US4103804A (en) * 1975-10-06 1978-08-01 Fournier E P Clamp action sealing device for tab opening cans
US4122971A (en) * 1976-07-01 1978-10-31 Crown Cork & Seal Company, Inc. Easy opening can end with push-in tabs
US4138033A (en) * 1978-01-16 1979-02-06 Payne Larry E Liquid container lid
US4465393A (en) * 1980-09-10 1984-08-14 Springfix-Befestigungstechnik Gmbh Plastic ball socket extruded in one piece for a ball-and-socket joint
US4557398A (en) * 1984-08-17 1985-12-10 International Paper Company End closure structure for a container
US4865215A (en) * 1987-06-02 1989-09-12 Wells Robert A Reclosable self-opening can end
US5402921A (en) * 1991-12-16 1995-04-04 Weatherchem Corp Rotor-type dispenser
US6488187B2 (en) * 2000-12-21 2002-12-03 Brent River Packaging Corporation Sifter dispensing cap and base
US20030213803A1 (en) * 2002-03-29 2003-11-20 Chasteen Howard C. Beverage can end with a straw opening end
US20050051552A1 (en) * 2003-09-05 2005-03-10 S2 And Family, L. L. C. Self-closing lid for beverage cups and the like
US20050144708A1 (en) * 2004-01-03 2005-07-07 Nerswick Thomas A. Spill proof snack bowl
US20230089079A1 (en) * 2021-09-17 2023-03-23 Samsung Electronics Co., Ltd. Sealing structure and material containing device including the same

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1472476A (en) * 1921-08-11 1923-10-30 Kendzierski Joseph Waste trap
US2147004A (en) * 1937-09-22 1939-02-14 Wark Samuel Arnold Beer can
US3217951A (en) * 1961-03-30 1965-11-16 Fr Hesser Maschinenfabrik Ag F Closure means for containers
US3261497A (en) * 1964-03-02 1966-07-19 Nat Can Corp Can
US3731835A (en) * 1971-08-03 1973-05-08 Continental Can Co Easy opening container
US3779417A (en) * 1972-02-14 1973-12-18 G Klein Flex tab for a gated can lid

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1472476A (en) * 1921-08-11 1923-10-30 Kendzierski Joseph Waste trap
US2147004A (en) * 1937-09-22 1939-02-14 Wark Samuel Arnold Beer can
US3217951A (en) * 1961-03-30 1965-11-16 Fr Hesser Maschinenfabrik Ag F Closure means for containers
US3261497A (en) * 1964-03-02 1966-07-19 Nat Can Corp Can
US3731835A (en) * 1971-08-03 1973-05-08 Continental Can Co Easy opening container
US3779417A (en) * 1972-02-14 1973-12-18 G Klein Flex tab for a gated can lid

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982658A (en) * 1974-10-09 1976-09-28 Continental Can Company, Inc. Easy opening container with retained closure
US3952914A (en) * 1975-02-24 1976-04-27 Vogt Kuno J Re-sealable container lid
US4078695A (en) * 1975-07-16 1978-03-14 Crown Cork & Seal Company, Inc. Easy-opening can end and method of opening
US4103804A (en) * 1975-10-06 1978-08-01 Fournier E P Clamp action sealing device for tab opening cans
US4122971A (en) * 1976-07-01 1978-10-31 Crown Cork & Seal Company, Inc. Easy opening can end with push-in tabs
US4138033A (en) * 1978-01-16 1979-02-06 Payne Larry E Liquid container lid
US4465393A (en) * 1980-09-10 1984-08-14 Springfix-Befestigungstechnik Gmbh Plastic ball socket extruded in one piece for a ball-and-socket joint
US4557398A (en) * 1984-08-17 1985-12-10 International Paper Company End closure structure for a container
US4865215A (en) * 1987-06-02 1989-09-12 Wells Robert A Reclosable self-opening can end
US5402921A (en) * 1991-12-16 1995-04-04 Weatherchem Corp Rotor-type dispenser
US5566850A (en) * 1991-12-16 1996-10-22 Weatherchem Corporation Rotor-type dispenser
US6488187B2 (en) * 2000-12-21 2002-12-03 Brent River Packaging Corporation Sifter dispensing cap and base
US20030213803A1 (en) * 2002-03-29 2003-11-20 Chasteen Howard C. Beverage can end with a straw opening end
US20050051552A1 (en) * 2003-09-05 2005-03-10 S2 And Family, L. L. C. Self-closing lid for beverage cups and the like
US20050144708A1 (en) * 2004-01-03 2005-07-07 Nerswick Thomas A. Spill proof snack bowl
US8376174B2 (en) * 2004-01-03 2013-02-19 Thomas A. Nerswick Spill proof snack bowl
US20230089079A1 (en) * 2021-09-17 2023-03-23 Samsung Electronics Co., Ltd. Sealing structure and material containing device including the same

Also Published As

Publication number Publication date
ZA735788B (en) 1975-03-26

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