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US4266689A Expired / Lapsed US ⏱️ 0.0 years remaining

Closure for top inside roll container

Assignee: Huhtamaki Consumer Packaging Inc
•
Filing: 1979-10-01
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Granted: 1981-05-12
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Expires: 1999-10-01
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Abstract

Abstract A container and closure combination includes a container with an inside wall roll or bead and a closure adapted for clasping said bead. The closure comprises a central discoidal portion adapted with an outwardly and upwardly flaring first section facilitating insertion of the plug into the container, a bead formed by connecting the first section with an inwardly and upwardly flaring second section, a groove formed by adapting the second section with an outwardly and upwardly flaring third section which is in turn adapted with a closure rim and skirt.

Inventors

  • 👤 Lance A. Asher

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 00:47
CPC Classifications
B; B65; B65D; B65D43/00; B65D43/02; B65D43/0202; B65D43/0204; B65D43/021; B65D15/00; B65D15/02; B65D15/04; B65D15/08; B65D2543/00; B65D2543/00009; B65D2543/00018; B65D2543/00064; B65D2543/00074; B65D2543/00092; B65D2543/00259; B65D2543/00296; B65D2543/00444; B65D2543/00481; B65D2543/0049; B65D2543/00509; B65D2543/00537; B65D2543/00555; B65D2543/00592; B65D2543/00601; B65D2543/00611; B65D2543/00638; B65D2543/00675; B65D2543/00685; B65D2543/00712; B65D2543/00722; B65D2543/00731; B65D2543/00787; B65D2543/00796; Y; Y10; Y10S; Y10S220/00; Y10S220/19

Claims Analysis

Total Claims: 17
Claim 1
Independent Claim 117 words
A closure comprising: a central discoidal portion; a first section flaring upward and outward relative to and continuous along the extent of said central discoidal portion; a second section flaring upward and inward continuous with said first section and forming an outside ridge and an inside groove along the line of continuity with said first section; a third section flaring upward and outward continuous with said second section and forming an inside ridge and an outside groove along the line of continuity with said second section; a closure rim having a downward turned skirt directed outward relative to said central discoidal portion and continuous with said third section; and a skirt directed downward continuous with said rim.
Claim 2
Dependent Claim 117 words
A closure comprising: a central discoidal portion; a first section flaring upward and outward relative to and continuous along the extent of said central discoidal portion; a second section flaring upward and inward continuous with said first section and forming an outside ridge and an inside groove along the line of continuity with said first section; a third section flaring upward and outward continuous with said second section and forming an inside ridge and an outside groove along the line of continuity with said second section; a closure rim having a downward turned skirt directed outward relative to said central discoidal portion and continuous with said third section; and a skirt directed downward continuous with said rim.
Claim 3
Dependent Claim 16 words
A closure as in claim 1 wherein: the first, second, and third sections are generally frustoconical.
Claim 4
Dependent Claim 35 words
A closure as in claim 1 wherein: said first section, said second section, said closure rim, and said skirt form a locking groove to releasably retain an inside roll or bead of a container rim.
Claim 5
Dependent Claim 26 words
A closure as in claim 3 wherein: at least one surface of said locking groove contacts said inside roll or bead to form a seal therebetween.
Claim 6
Dependent Claim 19 words
A closure as in claims 1, 2, 3, or 4 wherein: said closure is formed from a thermoformable plastic.
Claim 7
Dependent Claim 24 words
A closure as in claim 5 wherein: said closure is formed of a material selected from the group consisting of polyethylene, polypropylene, and polystyrene.
Claim 8
Dependent Claim 176 words
In combination with a cylindrical container having at least one container rim extending inwardly, downwardly, and outwardly in a generally continuously curved fashion comprising an inside roll or bead, a molded plastic closure for said container, said closure comprising: a central discoidal portion; a first section flaring upward and outward relative to and continuous with the extent of said central discoidal portion; a second section flaring upward and inward continuous with said first section and forming an outside ridge and an inside groove along the line of continuity with said first section; a third section flaring upward and outward continuous with said second section and forming an inside ridge and an outside groove along the line of continuity with said second section; a closure rim directed outward relative to said central discoidal portion and continuous with said third section; a skirt directed downward continuous with said rim; and wherein said second section, said third section, said closure rim, and said skirt of said closure form a locking groove to releasably retain said inside roll or bead.
Claim 9
Dependent Claim 176 words
In combination with a cylindrical container having at least one container rim extending inwardly, downwardly, and outwardly in a generally continuously curved fashion comprising an inside roll or bead, a molded plastic closure for said container, said closure comprising: a central discoidal portion; a first section flaring upward and outward relative to and continuous with the extent of said central discoidal portion; a second section flaring upward and inward continuous with said first section and forming an outside ridge and an inside groove along the line of continuity with said first section; a third section flaring upward and outward continuous with said second section and forming an inside ridge and an outside groove along the line of continuity with said second section; a closure rim directed outward relative to said central discoidal portion and continuous with said third section; a skirt directed downward continuous with said rim; and wherein said second section, said third section, said closure rim, and said skirt of said closure form a locking groove to releasably retain said inside roll or bead.
Claim 10
Dependent Claim 16 words
The combination as in claim 7 wherein: said first, second, and third sections are generally frustoconical.
Claim 11
Dependent Claim 31 words
The combination as in claim 7 wherein: said container is formed from paperboard; and said closure is formed of a material selected from the group consisting of polyethylene, polypropylene, and polystyrene.
Claim 12
Dependent Claim 18 words
The combination as in claim 7 wherein: said combination provides a package of at least substantially uniform diameter.
Claim 13
Dependent Claim 28 words
The combination as in claim 10 wherein: said skirt is adapted to said container to provide an uncontaminated dispensing lip on said container upon removal of said closure.
Claim 14
Dependent Claim 26 words
The combination as in claim 10 wherein: at least one surface of said locking groove contacts said inside roll or bead to form a seal therebetween.
Claim 15
Dependent Claim 19 words
The combination as in claim 12 wherein the cylindrical container has two container rims having inside rolls or beads.
Claim 16
Dependent Claim 16 words
The combination as in claim 13 wherein: both rims are adapted with said molded plastic closure.
Claim 17
Dependent Claim 19 words
The combination as in claim 10 wherein: at least one of said closures is permanently bonded to said container.

References Cited (Backward Citations)

US3206059A Cited
FR1383871A Cited
US3263724A Cited
US3358875A Cited
US3623628A Cited
US3640418A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1984-05-11 1984-11-10 1985-05-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1988-05-11 1988-11-10 1989-05-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1992-05-11 1992-11-10 1993-05-12 $7700.00 Window Closed / Lapsed

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