US4448829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-plastic laminate tube construction with plastic tube head
Assignee: Automation Industrielle SA
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Filing: 1983-06-03
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Granted: 1984-05-15
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Expires: 2003-06-03
Abstract
Abstract A flexible tube construction is provided including a tube body and washer, each comprising a laminate having a metal barrier layer and a plastic layer which are adhered to each other by a butt connection. A plastic tube head is adhered to a synthetic plastic tube head having an opening through which the contents of the tube can be removed.
Inventors
- 👤 Andreas Kohler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:34
CPC Classifications
B; B65; B65D; B65D35/00; B65D35/02; B65D35/12; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1036; Y10T156/1038; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1355; Y10T428/1359
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
85 words
A tube comprising a tube body formed from a laminate having a metallic barrier layer and at least one plastic layer, a synthetic plastic tube head and a washer formed from a laminate having a metallic barrier layer and at least one plastic layer, said washer being positioned on the outer surface of the tube head shoulder, characterized in that the washer rests with its outer marginal edge directly on a cut edge of the tubular body and the butt connection thus formed is sealed.
Claim 2
Dependent Claim
85 words
A tube comprising a tube body formed from a laminate having a metallic barrier layer and at least one plastic layer, a synthetic plastic tube head and a washer formed from a laminate having a metallic barrier layer and at least one plastic layer, said washer being positioned on the outer surface of the tube head shoulder, characterized in that the washer rests with its outer marginal edge directly on a cut edge of the tubular body and the butt connection thus formed is sealed.
Claim 3
Dependent Claim
21 words
The tube according to claim 1, characterized in that the washer and the tube body consist of the same laminate material.
Claim 4
Dependent Claim
30 words
The tube according to claim 1 or 2, characterized in that the washer and the tube body are arranged on a tube head and fused all together in one operation.
Claim 5
Dependent Claim
43 words
The tube according to claim 1 or 2, characterized in that the tube head is moulded or injection-moulded in, after production of the butt connection between tube body and washer, and the sealing of the butt connection is effected at the same time.
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) | 1987-05-15 | 1987-11-14 | 1988-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-15 | 1991-11-14 | 1992-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-15 | 1995-11-14 | 1996-05-15 | $7700.00 | Window Closed / Lapsed |