US3559872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing containers
Assignee: Lincrusta SA
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Filing: 1969-03-13
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Granted: 1971-02-02
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Expires: 1989-03-13
Abstract
Abstract A cardboard container comprising a first tube lined internally and externally with hot-sealed aluminum-polyethylene, polyethlene-paper or the like, and a second tube inside the lined tube, the first tube being closed by crimped end caps and externally circumferentially partially incised, the incision being closed off by an adhesive tape.
Inventors
- 👤 Pierre Jean Riboud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:55
CPC Classifications
F; F42; F42B; F42B39/00; B; B65; B65D; B65D3/00; B65D3/02; B65D3/04; B65D3/22; B65D3/26; B65D3/261; B65D3/262
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
120 words
A container comprising a first tube of cardboard or the like, said tube being lined internally and externally with a sealing material which comprises a layer of plastic, and a second tube disposed in said first tube such that the outer surface of said second tube is in contact with the internal sealing material on said first tube, said first tube having one or more perforations passing through said external lining material and into said first tube but terminating short of said internal lining material on said first tube as to not impair the continuity of said internal lining material, said perforations being disposed to facilitate opening the package by twisting said second tube to separate it into two sections.
Claim 2
Dependent Claim
120 words
A container comprising a first tube of cardboard or the like, said tube being lined internally and externally with a sealing material which comprises a layer of plastic, and a second tube disposed in said first tube such that the outer surface of said second tube is in contact with the internal sealing material on said first tube, said first tube having one or more perforations passing through said external lining material and into said first tube but terminating short of said internal lining material on said first tube as to not impair the continuity of said internal lining material, said perforations being disposed to facilitate opening the package by twisting said second tube to separate it into two sections.
Claim 3
Dependent Claim
69 words
A container according to claim 1 wherein said first tube is longer than said second tube, and an end cap within the end portion of said first tube, said end cap having a sidewall portion bearing against said internal sealing material of said first tube and having another portion extending over the longitudinal end of said first tube and bearing against the external sealing material of said first tube.
Claim 4
Dependent Claim
25 words
A container according to claim 2 wherein the end of said first tube is impregnated with a flexible varnish before said end cap is attached.
Claim 5
Dependent Claim
31 words
A container according to claim 1 further comprising a band of adhesive material on said external sealing material and disposing over said perforations to provide continuity of said external sealing material.
Claim 6
Dependent Claim
20 words
A container according to claim 1 wherein said sealing mAterial further comprises a substrate to which said plastic is bonded.
Claim 7
Dependent Claim
11 words
A container according to claim 5 wherein said plastic is polyethylene.
Claim 8
Dependent Claim
11 words
a container according to claim 5 wherein said plastic is polypropylene.
Claim 9
Dependent Claim
11 words
A container according to claim 5 wherein said plastic is polyvinylchloride.
Claim 10
Dependent Claim
11 words
A container according to claim 5 wherein said substrate is aluminum.
Claim 11
Dependent Claim
11 words
A container according to claim 5 wherein said substrate is paper.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |