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US3892347A Expired / Lapsed US ⏱️ 0.0 years remaining

Flat end closure container with reclosable pour spout

Assignee: ELOTRADE AG A SWISS CORP
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Filing: 1972-12-20
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Granted: 1975-07-01
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Expires: 1992-12-20
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Abstract

Abstract A coated paperboard container having a flat end closure which can be opened exposing an inherent pouring spout provided by a perforated score line arrangement acting with the end closure panels. The arrangement of the perforated score line and end closure panels in a fold-over sealing structure providing an inherent lift tab feature to assist in extending the pouring spout to its open position.

Inventors

  • 👤 Harry B Egleston

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 11:18
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/06; B65D5/061; B65D5/062

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 650 words
A container blank having body portion with an end closure, comprising, in combination: a. said container blank defined by first and second side edges and first and second end edges; b. a horizontal score line on said container blank separating said body portion and said end closure; c. four vertical score lines extending substantially the length of said container blank; d. a first, second, third and fourth body panels and a side seam flap defined by said vertical score lines and said side edges; e. said end closure having an outer side panel connected to first said body panel, a first triangular panel member connected to said second body panel, and inner side panel connected to said third body panel and a second triangular panel member connected to said fourth body panel; f. said first triangular panel member having a pair of first and second second fold back panels connecting it to said outer side panel and said inner side panels, respectively; g. said second triangular panel member having a pair of third and fourth fold back panels connecting it to said inner side panel and said side seam flap; h. said outer side panel having a edge portion as part of said first end edge extending between one side edge and one of said vertical score lines, a distance substantially the width of said first body panel and being positioned from said horizontal score line greater than one half the width of said second and fourth body panels; i. said inner side panel having a edge portion as part of said first end edge and extending between two of said vertical score lines defining said third body panel and being positioned a distance from the horizontal score line less than one half the distance across said second and fourth body panels; j. said first and second fold back panels having a common edge portion extending between two of said vertical score lines across the width of said second body panel and being positioned a distance from said horizontal score line greater than one half the width of said second and fourth body panels; k. said third and fourth fold back panels having common edge portion as part of said first end edge and extending between two vertical score lines across the width of said fourth body panel, said edge portion being positioned from said horizontal score line, a distance greater than one half the width of said second and fourth body panel; l. the distance from said edge portion of said first fold back panel from said horizontal score line and the distance from said edge portion of said inner side panel from said horizontal score line substantially equals the distance across said second and fourth body panels; m. the distance frOm said edge portion of said fourth fold back panel from said horizontal score line plus the distance of said edge portion of said inner side panel substantially equals the distance across said second and fourth body panels; n. a perforated score line crossing the common vertical score line of said first and second body panels and having a first perforated portion extending onto said outer side panel and having a second perforated portion on said first fold back panel, said perforated score line intersecting said vertical score line at a distance from said horizontal score line which will substantially equal the distance across said second body panel less the distance said edge portion of said second fold back panel is positioned from said horizontal score line, and said second perforated portion terminates at the apex of said first triangular panel member; and o. said first perforated portion extending diagonally across said outer side panel and terminating approximately half the distance across said outer side panel and terminating a distance from said horizontal score line greater than one half the distance across said second and fourth body panels.
Claim 2
Dependent Claim 650 words
A container blank having body portion with an end closure, comprising, in combination: a. said container blank defined by first and second side edges and first and second end edges; b. a horizontal score line on said container blank separating said body portion and said end closure; c. four vertical score lines extending substantially the length of said container blank; d. a first, second, third and fourth body panels and a side seam flap defined by said vertical score lines and said side edges; e. said end closure having an outer side panel connected to first said body panel, a first triangular panel member connected to said second body panel, and inner side panel connected to said third body panel and a second triangular panel member connected to said fourth body panel; f. said first triangular panel member having a pair of first and second second fold back panels connecting it to said outer side panel and said inner side panels, respectively; g. said second triangular panel member having a pair of third and fourth fold back panels connecting it to said inner side panel and said side seam flap; h. said outer side panel having a edge portion as part of said first end edge extending between one side edge and one of said vertical score lines, a distance substantially the width of said first body panel and being positioned from said horizontal score line greater than one half the width of said second and fourth body panels; i. said inner side panel having a edge portion as part of said first end edge and extending between two of said vertical score lines defining said third body panel and being positioned a distance from the horizontal score line less than one half the distance across said second and fourth body panels; j. said first and second fold back panels having a common edge portion extending between two of said vertical score lines across the width of said second body panel and being positioned a distance from said horizontal score line greater than one half the width of said second and fourth body panels; k. said third and fourth fold back panels having common edge portion as part of said first end edge and extending between two vertical score lines across the width of said fourth body panel, said edge portion being positioned from said horizontal score line, a distance greater than one half the width of said second and fourth body panel; l. the distance from said edge portion of said first fold back panel from said horizontal score line and the distance from said edge portion of said inner side panel from said horizontal score line substantially equals the distance across said second and fourth body panels; m. the distance frOm said edge portion of said fourth fold back panel from said horizontal score line plus the distance of said edge portion of said inner side panel substantially equals the distance across said second and fourth body panels; n. a perforated score line crossing the common vertical score line of said first and second body panels and having a first perforated portion extending onto said outer side panel and having a second perforated portion on said first fold back panel, said perforated score line intersecting said vertical score line at a distance from said horizontal score line which will substantially equal the distance across said second body panel less the distance said edge portion of said second fold back panel is positioned from said horizontal score line, and said second perforated portion terminates at the apex of said first triangular panel member; and o. said first perforated portion extending diagonally across said outer side panel and terminating approximately half the distance across said outer side panel and terminating a distance from said horizontal score line greater than one half the distance across said second and fourth body panels.
Claim 3
Dependent Claim 28 words
A container blank as defined in claim 1 having in combination: a. said vertical score lines being perforated between said horizontal score line and said first end edge.
Claim 4
Dependent Claim 28 words
A container blank as defined in claim 2 having in combination: a. a perforated score line connecting said fourth fold back panel with said second triangular panel member.
Claim 5
Dependent Claim 133 words
A container blank as defined in claim 1 having in combination: a. first and second score lines on said outer panel extending from the side edges of said first body panel member away from said horizontal score line and intersecting at the termination of said first perforated portion on said outer side panel; b. said second fold back panel is connected to said first triangular panel member by a score line; and c. said inner side panel has a score line extending from the intersection of said horizontal score line and said common vertical score line between said second and third body panels and extending away from said common score line and said horizontal score line terminating near the midpoint of said edge portion of said first end edge of inner side panel.
Claim 6
Dependent Claim 99 words
A container blank as defined in claim 1 having in combination: a. a tip member as part of said first end edge of said inner side panel and being positioned near the middle of the edge portion of said panel; b. first and second U-shaped recesses positioned on said first end edge; c. said first U-shaped recess being positioned at the mid-point of the common edge portion of said first and second fold back panels; and d. said second U-shaped recess being positioned at the middle of said common edge portion of said third and fourth fold back panels.
Claim 7
Dependent Claim 303 words
A paperboard container, the combination, comprising: a. a tubular body having first and second closures thereon; b. a said first closure being a flat end closure overlying said body, and including first and second triangular panel members folded flat over said body, and a pair of rectangular shaped panels defined as inner and outer side panels which are folded over said triangular panel members; c. each of said triangular panel members being flanked by a pair of fold back panels which are joined to said inner and outer side panels; d. the said fold back panels joined to said inner side panel being extended beyond the free end of said inner side panel when folded into closed position; e. the free edge of said fold back panels joined to said outer side panel being aligned with the free edge of said inner side panel and overlying the free edge portion of said fold back panels joined to said inner side panels when it is folded into closed position; f. a first perforated score line on said fold back panel joining said first triangular panel member and said outer side panel, said first peRforated score line starting on the outer edge of said fold back panel adjacent said free edge of said fold back panel connecting said first triangular panel member and said inner side panel, and extending substantially along the free edge of said fold back panel when in the closed position; and g. a second perforated score line on said outer side panel, said second perforated score line starting on the outer edge of said outer side panel adjacent said first perforated score line and extending diagonally past the free edge of said fold back panel joining said outer side panel to said first triangular panel member when in the closed position.
Claim 8
Dependent Claim 303 words
A paperboard container, the combination, comprising: a. a tubular body having first and second closures thereon; b. a said first closure being a flat end closure overlying said body, and including first and second triangular panel members folded flat over said body, and a pair of rectangular shaped panels defined as inner and outer side panels which are folded over said triangular panel members; c. each of said triangular panel members being flanked by a pair of fold back panels which are joined to said inner and outer side panels; d. the said fold back panels joined to said inner side panel being extended beyond the free end of said inner side panel when folded into closed position; e. the free edge of said fold back panels joined to said outer side panel being aligned with the free edge of said inner side panel and overlying the free edge portion of said fold back panels joined to said inner side panels when it is folded into closed position; f. a first perforated score line on said fold back panel joining said first triangular panel member and said outer side panel, said first peRforated score line starting on the outer edge of said fold back panel adjacent said free edge of said fold back panel connecting said first triangular panel member and said inner side panel, and extending substantially along the free edge of said fold back panel when in the closed position; and g. a second perforated score line on said outer side panel, said second perforated score line starting on the outer edge of said outer side panel adjacent said first perforated score line and extending diagonally past the free edge of said fold back panel joining said outer side panel to said first triangular panel member when in the closed position.
Claim 9
Dependent Claim 30 words
A paperboard container as defined in claim 6, having in combination: a. vertical perforated score lines at the edges of said pair of rectangular shaped inner and outer side panels.
Claim 10
Dependent Claim 36 words
A paperboard container as defined in claim 7, having in combination: a. a diagonal perforated score line positioned between said second triangular panel member and said fold back panel connecting it to said outer side panel.

References Cited (Backward Citations)

US2132925A Cited
US3003673A Cited
US3059826A Cited
US3120335A Cited
US3147904A Cited
US3549080A Cited
US3661321A Cited
US3743164A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-06-30 1978-12-30 1979-07-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-06-30 1982-12-30 1983-07-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-06-30 1986-12-30 1987-07-01 $7700.00 Window Closed / Lapsed

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