Patent EP0163503A2 successfully refreshed from Google Patents.
US3660190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of a composite material having a metal layer
Assignee: Kalle GmbH and Co KG
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Filing: 1968-12-27
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Granted: 1972-05-02
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Expires: 1988-12-27
Abstract
Abstract This invention relates to a process for the manufacture of a composite material including a supporting film or foil and a metal layer bonded thereto, which comprises depositing the metal layer on an intermediate support having an endless rotatable surface, pressing the supporting film or foil onto the metal layer while an adhesive layer is interposed between them and while the film or foil is supported by a cylindrical conveyor roller, and removing the bonded composite material from the surface of the latter roller.
Inventors
- 👤 Joachim Stroszynski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:31
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; B44; B44C; B44C1/00; B44C1/10; B44C1/14; B44C3/00; B44C3/02
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
22 words
A process according to claim 1 in which the metal layer is deposited on the intermediate support by electrodeposition or vapor deposition.
Claim 2
Dependent Claim
23 words
A process according to claim 1 in which the supporting film or foil is pressed onto the metal layer while heat is applied.
Claim 3
Dependent Claim
25 words
A process according to claim 1 in which the surface of the metal layer to be bonded is subjected to a corona discharge before bonding.
Claim 4
Dependent Claim
24 words
A process according to claim 1 in which the surface of the supporting film or foil is subjected to a corona discharge before bonding.
Claim 5
Dependent Claim
22 words
A process according to claim 1 in which the surface of the adhesive layer is subjected to a corona discharge before bonding.
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) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |