US3944103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-piece plastic closure
Assignee: Individual
•
Filing: 1974-05-02
•
Granted: 1976-03-16
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Expires: 1994-05-02
Abstract
Abstract In this two-piece closure for sealing containers, abutment, retaining and locking means are provided on the one hand on a flange of the main or inner cap and on the other hand on the bottom and/or inner surface of the skirt of the outer cap, said means co-acting with each other for securing the main cap flange in said outer cap, without any play, relative movement and flange distortion.
Inventors
- 👤 Modesto Cros
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:51
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/58
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
119 words
Two-component plastic tight closure comprising on the one hand a cup-shaped bottom (4) adapted to be driven into the neck of a container, which comprises an annular flange (6) surrounding its top edge, said flange (6) having formed on at least one portion of its lower annular surface a circular bead (26) and along its outer cylindrical edge locking means (25, 27) and on the other hand a cap (1) having a depending skirt (2) adapted to fit on said cup-shaped bottom (4) and formed along the periphery of its top portion (13) with means (28) for abutting said flange (6) of said cup-shaped bottom and projections adapted to engage said locking means (25, 27) of said cup-shaped bottom.
Claim 2
Dependent Claim
119 words
Two-component plastic tight closure comprising on the one hand a cup-shaped bottom (4) adapted to be driven into the neck of a container, which comprises an annular flange (6) surrounding its top edge, said flange (6) having formed on at least one portion of its lower annular surface a circular bead (26) and along its outer cylindrical edge locking means (25, 27) and on the other hand a cap (1) having a depending skirt (2) adapted to fit on said cup-shaped bottom (4) and formed along the periphery of its top portion (13) with means (28) for abutting said flange (6) of said cup-shaped bottom and projections adapted to engage said locking means (25, 27) of said cup-shaped bottom.
Claim 3
Dependent Claim
48 words
Closure as set forth in claim 1, wherein said locking means are formed on the top surface of the flange of said cup-shaped bottom and consist of studs (25), and said means (28) for abutting said flange also comprise said projections of said cap and consist of lugs.
Claim 4
Dependent Claim
43 words
Closure as set forth in claim 1, wherein said locking means of said cup-shaped bottom (4) consist of indentations (27) formed along the edge of said flange and said projections of said cap consist of a milled inner portion of said skirt (2).
Claim 5
Dependent Claim
36 words
Closure as set forth in claim 1, which comprises on the inner surface of said skirt (2) of said cap a circular rib (14) adapted to support the edge of the flange of said cup-shaped bottom.
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) | 1979-03-16 | 1979-09-15 | 1980-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-16 | 1983-09-15 | 1984-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-16 | 1987-09-15 | 1988-03-16 | $7700.00 | Window Closed / Lapsed |