Patent US3365774A successfully refreshed from Google Patents.
US3365774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calender rolls
Assignee: Individual
•
Filing: 1965-10-28
•
Granted: 1968-01-30
•
Expires: 1985-10-28
Abstract
No abstract record available.
Inventors
- 👤 Kusters Eduard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:23
CPC Classifications
B; B41; B41F; B41F13/00; B41F13/08; D; D06; D06B; D06B23/00; D06B23/02; D06B23/021; D06C; D06C15/00; D06C15/08; D21; D21G; D21G1/00; D21G1/02; D21G1/0233
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A ROLL PRESS FOR THE PRESSURE TREATMENT OF WEB MATERIAL IN WHICH A PLURALITY OF ROLL CO-OPERATE, AT LEAST ONE OF SAID CO-OPERATING ROLLS HAVING A WEB MATERIAL CONTACTING CIRCUMFERENCE OF POLYAMIDE PLASTIC OR SUPERPOLYAMIDE PLASTIC, CHARACTERIZED IN THAT THE ROLL HAVING THE POLYAMIDE OR SUPERPOLYAMIDE PLASTIC CIRCUMFERENCE CONSISTS OF A HOLLOW CIRCULAR CYLINDER OF SAID PLASTIC, AND IN THAT A ROTATING RELATIVELY HARD BACKING ROLL IS LOCATED IN SAID HOLLOW CYLINDER, THE OUTSIDE DIAMETER OF SAID BACKING ROLL BEING SLIGHTLY LESS THAN THE INSIDE DIAMETER OF SAID PLASTIC HOLLOW CYLINDER, SAID BACKING ROLL RESTING ON THE INTERNAL CIRCUMFERENCE OF SAID HOLLOW CYLINDER ONLY ALONG AN INTERNAL LONGITUDINAL LINE LYING OPPOSITE TO THE CIRCUMFERENTIAL LONGITUDINAL LINE OF SAID HOLLOW CYLINDER WHICH CONTACTS THE WEB MATERIAL, SAID HOLLOW CYLINDER BEING MADE OF A POLYAMIDE OR SUPERPOLYAMIDE PLASTIC HAVING A MODULUS OF ELASTICITY OF MORE THAN 15,000 KG. PER SQ. CM.
Claim 2
Dependent Claim
149 words
A ROLL PRESS FOR THE PRESSURE TREATMENT OF WEB MATERIAL IN WHICH A PLURALITY OF ROLL CO-OPERATE, AT LEAST ONE OF SAID CO-OPERATING ROLLS HAVING A WEB MATERIAL CONTACTING CIRCUMFERENCE OF POLYAMIDE PLASTIC OR SUPERPOLYAMIDE PLASTIC, CHARACTERIZED IN THAT THE ROLL HAVING THE POLYAMIDE OR SUPERPOLYAMIDE PLASTIC CIRCUMFERENCE CONSISTS OF A HOLLOW CIRCULAR CYLINDER OF SAID PLASTIC, AND IN THAT A ROTATING RELATIVELY HARD BACKING ROLL IS LOCATED IN SAID HOLLOW CYLINDER, THE OUTSIDE DIAMETER OF SAID BACKING ROLL BEING SLIGHTLY LESS THAN THE INSIDE DIAMETER OF SAID PLASTIC HOLLOW CYLINDER, SAID BACKING ROLL RESTING ON THE INTERNAL CIRCUMFERENCE OF SAID HOLLOW CYLINDER ONLY ALONG AN INTERNAL LONGITUDINAL LINE LYING OPPOSITE TO THE CIRCUMFERENTIAL LONGITUDINAL LINE OF SAID HOLLOW CYLINDER WHICH CONTACTS THE WEB MATERIAL, SAID HOLLOW CYLINDER BEING MADE OF A POLYAMIDE OR SUPERPOLYAMIDE PLASTIC HAVING A MODULUS OF ELASTICITY OF MORE THAN 15,000 KG. PER SQ. CM.
References Cited (Backward Citations)
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US1739572A
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US1868860A
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US2312762A
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US2950507A
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US3222209A
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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) | 1971-01-29 | 1971-07-31 | 1972-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-29 | 1975-07-31 | 1976-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-29 | 1979-07-31 | 1980-01-30 | $7700.00 | Window Closed / Lapsed |