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US3606772A
Expired / Lapsed
US
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Apparatus for treating cloth
Assignee: Sando Iron Works Co Ltd
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Filing: 1968-12-11
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Granted: 1971-09-21
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Expires: 1988-12-11
Abstract
Abstract APPARATUS FOR TREATING CLOTH IS COMPRISED OF A PAIR OF ROLLERS, WITH AT LEAST ONE OF THE ROLLERS HAVING GROOVES FORMED IN ITS CIRCUMFERENTIAL PERIPHERY. THE GROOVES MAY EXTEND IN PARALLEL RELATIONSHIP WITH OR TRANSVERSELY TO THE AXIS OF THE ROLLER. PREFERABLY, THE GROOVED ROLLER IS FORMED OF A HARD SUBSTANCE AND THE OTHER ROLLER OF A RELATIVELY SOFTER SUBSTANCE WHEREBY WHEN THE CLOTH IS PASSED BETWEEN THE TWO, THE GROOVES IN THE GROOVED ROLLER EXERT A LATERAL TENSIONING EFFECT ON THE CLOTH. FURTHER, THE ROLLERS MAY BE ARRANGED IN COMBINATION WITH SOLUTION TANKS FOR PASSING THE CLOTH THROUGH THE TANKS AND CONCURRENTLY LATERALLY AND LONGITUDINALLY TENSIONING THE CLOTH.
Inventors
- 👤 Yoshikazu Sando
- 👤 Hiroshi Ishidoshiro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:46
CPC Classifications
D; D06; D06B; D06B3/00; D06B3/10; D06B3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-09-20 | 1975-03-22 | 1975-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-20 | 1979-03-22 | 1979-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-20 | 1983-03-22 | 1983-09-21 | $7700.00 | Window Closed / Lapsed |