US3609805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling apparatus for extruded synthetic material
Assignee: CF Scheer und Cie GmbH and Co KG
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Filing: 1970-03-27
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Granted: 1971-10-05
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Expires: 1990-03-27
Abstract
Abstract EXTRUDED ROPES ARE DISCHARGED BY A SUPPLY NOZZLE ALONG A DOWNWARD PATH WHERE THEY ARE GRIPPED BETWEEN A PAIR OF TRANSPORTING BANDS AND FIRST INLET ROLLERS GUIDING THE SAME ABOVE THE LEVEL OF A LIQUID IN A CONTAINER SO THAT THE ROPES ARE TRANSPORTED INTO THE LIQUID UNTIL GRIPPED BY SUPERIMPOSED PORTIONS OF THE TRANSPORTING BANDS PASSING OVER A SECOND INLET ROLLER. THEREUPON, AN ELECTRONMAGNETIC MEANS, PREFERABLY UNDER CONTROL OF PHOTOELECTRIC MEANS, RETRACTS ONE OF THE FIRST INLET ROLLERS SO THAT THE ROPES EXTEND DIRECTLY FROM THE SUPPLY NOZZLE TO THE SUPERIMPOSED BAND PORTIONS AND ARE TRANSPORTED BY THE SAME TO FOLLOWING GUIDE ROLLERS IN THE COOLING LIQUID.
Inventors
- 👤 Rudolf Paul Fritsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:42
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/25; B29C48/88; B29C48/919; B29B; B29B9/00; B29B9/02; B29B9/06; B29C48/03; B29C48/04; B29C48/05; B29C48/355; B29C48/911; Y; Y10; Y10S; Y10S425/00; Y10S425/009
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) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |