US3597295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for coating traveling substrate with thermoplastic material
Assignee: Valco Cincinnati Inc
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Filing: 1969-02-03
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Granted: 1971-08-03
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Expires: 1989-02-03
Abstract
Abstract A HEATED DRUM CONSTRAINED TO ROTATE ABOUT A HORIZONTAL AXIS HAS THERMOPLASTIC MATERIAL IN THE SOLID STATE FED TO AN UPWARDLY TRAVELING PORTION OF ITS SURFACE, WHEREUPON THE THERMOPLASTIC MATERIAL IS CONVERTED INTO A HOT MELT WHICH ADHERES TO THE DRUM SURFACE. A ROLLER BELOW THE DRUM SUPPORTS A SUBSTRATE WEB AND PRESSES THE SAME AGAINST THE COATED UNDERSIDE OF THE DRUM JUST AHEAD OF A SCRAPER BLADE WHICH REMOVES THE MATERIAL FROM THE DRUM. A SECOND ROLLER PRESSES A BACKING SHEET AGAINST THE FRESHLY COATED SUBSTRATE AS THE LATTER TRAVELS OVER ITS SUPPORTING ROLLER.
Inventors
- 👤 David A Tenquist
- 👤 Vernon K Quarve
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:39
CPC Classifications
B; B05; B05D; B05D1/00; B05D1/28; B29; B29B; B29B13/00; B29B13/02; B29B13/022; B29C; B29C43/00; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/47; B29C65/00; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C65/486; B29L; B29L2009/00; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1722; Y10T156/1727
Claims Analysis
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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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |