US3577304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for continuous lamination
Assignee: HUBERT A GUYER
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Filing: 1967-06-30
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Granted: 1971-05-04
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Expires: 1987-06-30
Abstract
Abstract AND THE MATERIAL BEING LAMINATED WHILE SAID PORTION IS IN THE LAMINATING PROCESS. MATERIALS TO BE LAMINATED ARE PASSED BETWEEN TWO CONTINUOUS OPPOSED BODIES, AS, FOR EXAMPLE, OPPOSED PRESSURE ELEMENTS ON THE BACKSIDE OF TWO CONTINUOUS BELTS WHICH OPERATE IN ALTERNATION TO APPLY PRESSURE WITH OR WITHOUT HEAT, TO THE BELTS AND HENCE TO THE LAMINATE. THE PRESSURE ELEMENTS ALSO MOVE THE BELT. ONE OF THE PRESSURE ELEMENTS IS SPRING LOADED AND FLOATING SO AS TO MAINTAIN CONSTANT PRESSURE AT ALL TIME ON THE PORTION OF THE BELTS
Inventors
- 👤 Hubert A Guyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:00
CPC Classifications
B; B32; B32B; B32B37/00; B29; B29C; B29C43/00; B29C43/22; B29C43/228; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1741
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-03 | 1974-11-02 | 1975-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-03 | 1978-11-02 | 1979-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-03 | 1982-11-02 | 1983-05-04 | $7700.00 | Window Closed / Lapsed |