Patent US4106672A successfully refreshed from Google Patents.
US4106672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resealable end closure having plural openings
Assignee: Weatherchem Corp
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Filing: 1977-06-06
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Granted: 1978-08-15
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Expires: 1997-06-06
Abstract
Abstract A container includes a fiber tube and a plastic end closure. The end closure is of one piece plastic construction and includes a base having a central opening. A dish shaped dispensing wall covers the central opening and provides a plurality of small dispensing holes. A tab covers the central opening of the base and provides a sealing pin for closing each of the dispensing holes.
Inventors
- 👤 Charles Tecco
- 👤 Lawrence E. Lasich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:27
CPC Classifications
B; B65; B65D; B65D15/00; B65D15/02; B65D15/04; B65D15/08; B65D47/00; B65D47/04; B65D47/06; B65D47/08; B65D47/0804; B65D47/0833; B65D47/0838; Y; Y02; Y02W; Y02W90/00; Y02W90/10
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
240 words
A one-piece plastic end closure comprising a generally flat annular ring like base, said base having a top wall and a bottom wall and a central opening, a dish-shaped dispensing wall in said central opening, a plurality of dispensing holes in said dispensing wall, an annular skirt portion connected to said bottom wall of said base and extending longitudinally away from said base, said skirt portion being adapted to be received within an open end of a fiber tube, an annular rib connected to said top wall of said base and extending longitudinally away from said base in a direction opposite a direction in which said skirt portion extends, said rib being discontinuous and interrupted at a first location and at a second location radially opposite said first location, a tab movable between an open position and a closed position, said tab being hingedly connected to said base at said first location of said discontinuous rib, said tab being a disc shaped member disposed radially inwardly from said rib when said tab is in said closed position, said tab including a longitudinally recessed dish-shaped center portion extending longitudinally into said opening of said base and covering said dish-shaped dispensing wall when said tab is in said closed position, and said tab including a pin extending from said dish-shaped portion of said tab into each of said dispensing holes in said dispensing wall when said tab is in said closed position.
Claim 2
Dependent Claim
240 words
A one-piece plastic end closure comprising a generally flat annular ring like base, said base having a top wall and a bottom wall and a central opening, a dish-shaped dispensing wall in said central opening, a plurality of dispensing holes in said dispensing wall, an annular skirt portion connected to said bottom wall of said base and extending longitudinally away from said base, said skirt portion being adapted to be received within an open end of a fiber tube, an annular rib connected to said top wall of said base and extending longitudinally away from said base in a direction opposite a direction in which said skirt portion extends, said rib being discontinuous and interrupted at a first location and at a second location radially opposite said first location, a tab movable between an open position and a closed position, said tab being hingedly connected to said base at said first location of said discontinuous rib, said tab being a disc shaped member disposed radially inwardly from said rib when said tab is in said closed position, said tab including a longitudinally recessed dish-shaped center portion extending longitudinally into said opening of said base and covering said dish-shaped dispensing wall when said tab is in said closed position, and said tab including a pin extending from said dish-shaped portion of said tab into each of said dispensing holes in said dispensing wall when said tab is in said closed position.
Claim 3
Dependent Claim
67 words
A one-piece plastic end closure as set forth in claim 1, wherein said tab includes an annular portion seated on said base when said tab is in said closed position, said annular portion of said tab includes a top wall, and said top wall of said tab annular portion is substantially coplaner with said top wall of said rib when said tab is in said closed position.
Claim 4
Dependent Claim
46 words
A one-piece plastic end closure as set forth in claim 1, wherein said tab includes a lifting portion, said lifting portion extends radially outwardly from said annular portion, and said lifting portion is disposed at said second location when said tab is in said closed position.
Claim 5
Dependent Claim
35 words
A one-piece plastic end closure as set forth in claim 1, wherein each of said dispensing holes is tapered, and said pins sealingly engage said dispensing holes when said tab is in said closed position.
Claim 6
Dependent Claim
30 words
A one-piece plastic end closure as set forth in claim 1, wherein said tab includes an annular portion seated on said base when said tab is in said closed position.
Claim 7
Dependent Claim
45 words
A one-piece plastic end closure as set forth in claim 1, wherein each of said dispensing holes includes a first wall portion extending solely in the longitudinal direction and a second wall portion extending both longitudinally and radially inwardly away from said first wall portion.
Claim 8
Dependent Claim
240 words
A one-piece plastic end closure comprising a generally flat annular ring like base, said base having a top wall and a bottom wall and a central opening, a dish-shaped dispensing wall in said central opening, a plurality of dispensing holes in said dispensing wall, an annular skirt portion connected to said bottom wall of said base and extending longitudinally away from said base, said skirt portion being adapted to be received within an open end of a fiber tube, an annular rib connected to said top wall of said base and extending longitudinally away from said base in a direction opposite a direction in which said skirt portion extends, said rib being discontinuous and interrupted at a first location and at a second location radially opposite said first location, a tab movable between an open position and a closed position, said tab being hingedly connected to said base at said first location of said discontinuous rib, said tab being a disc shaped member disposed radially inwardly from said rib when said tab is in said closed position, said tab including a longitudinally recessed dish-shaped center portion extending longitudinally into said opening of said base and covering said dish-shaped dispensing wall when said tab is in said closed position, and said tab including a pin extending from said dish-shaped portion of said tab into each of said dispensing holes in said dispensing wall when said tab is in said closed position.
Claim 9
Dependent Claim
240 words
A one-piece plastic end closure comprising a generally flat annular ring like base, said base having a top wall and a bottom wall and a central opening, a dish-shaped dispensing wall in said central opening, a plurality of dispensing holes in said dispensing wall, an annular skirt portion connected to said bottom wall of said base and extending longitudinally away from said base, said skirt portion being adapted to be received within an open end of a fiber tube, an annular rib connected to said top wall of said base and extending longitudinally away from said base in a direction opposite a direction in which said skirt portion extends, said rib being discontinuous and interrupted at a first location and at a second location radially opposite said first location, a tab movable between an open position and a closed position, said tab being hingedly connected to said base at said first location of said discontinuous rib, said tab being a disc shaped member disposed radially inwardly from said rib when said tab is in said closed position, said tab including a longitudinally recessed dish-shaped center portion extending longitudinally into said opening of said base and covering said dish-shaped dispensing wall when said tab is in said closed position, and said tab including a pin extending from said dish-shaped portion of said tab into each of said dispensing holes in said dispensing wall when said tab is in said closed position.
Claim 10
Dependent Claim
35 words
A one-piece plastic end closure as set forth in claim 7, wherein each of said dispensing holes is tapered, and said pins sealingly engage said dispensing holes when said tab is in said closed position.
Claim 11
Dependent Claim
45 words
A one-piece plastic end closure as set forth in claim 8, wherein each of said dispensing holes includes a first wall portion extending solely in the longitudinal direction and a second wall portion extending both longitudinally and radially inwardly away from said first wall portion.
Claim 12
Dependent Claim
130 words
A one-piece plastic end closure comprising a generally flat annular ring like base, said base having a top wall and a bottom wall and a central opening, a dish-shaped dispensing wall in said central opening, a plurality of dispensing holes in said dispensing wall, a tab movable between an open position and a closed position, said tab being a disc shaped member hingedly connected to said base, said tab including a longitudinally recessed dish-shaped center portion extending longitudinally into said opening of said base and covering said dish-shaped dispensing wall when said tab is in said closed position, and said tab including a pin extending from said dish-shaped portion of said tab into each of said dispensing holes in said dispensing wall when said tab is in said closed position.
Claim 13
Dependent Claim
130 words
A one-piece plastic end closure comprising a generally flat annular ring like base, said base having a top wall and a bottom wall and a central opening, a dish-shaped dispensing wall in said central opening, a plurality of dispensing holes in said dispensing wall, a tab movable between an open position and a closed position, said tab being a disc shaped member hingedly connected to said base, said tab including a longitudinally recessed dish-shaped center portion extending longitudinally into said opening of said base and covering said dish-shaped dispensing wall when said tab is in said closed position, and said tab including a pin extending from said dish-shaped portion of said tab into each of said dispensing holes in said dispensing wall when said tab is in said closed position.
Claim 14
Dependent Claim
35 words
A one-piece plastic end closure as set forth in claim 10, wherein each of said dispensing holes is tapered, and said pins sealingly engage said dispensing holes when said tab is in said closed position.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-08-14 | 1982-02-13 | 1982-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-08-14 | 1986-02-13 | 1986-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-08-14 | 1990-02-13 | 1990-08-15 | $7700.00 | Window Closed / Lapsed |