US3271504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus and method for vulcanizing strips of material containing an elastomer
Assignee: Linde Sverige AB
•
Filing: 1962-11-05
•
Granted: 1966-09-06
•
Expires: 1982-11-05
Abstract
No abstract record available.
Inventors
- 👤 Bergstrom Axel Emil
- 👤 Hallhagen Rudolf Gotthard
- 👤 Soderberg Leif Erik Roland
- 👤 Westberg Johan Erich Hayden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:50
CPC Classifications
B; B29; B29C; B29C35/00; B29C35/02; B29C35/04; B29C35/06; B29C35/0222; B29C35/045; B29K; B29K2021/00; B29L; B29L2007/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A METHOD OF VULCANIZING AN ELONGATED WEFT IMPREGNATED WITH A VULCANIZALBE ELASTOMER, COMPRISING WINDING SAID WEFT INTO A ROLL FROM AND SIMULTANEOUSLY INTERPOSING AN INTERMEDIATE LAYER MEMBER BETWEEN ADJACENT TURNS OF SAID WEFT TO MAINTAIN SAID ADJACENT TURNS SEPARATE FROM EACH OTHER, ROTATING SAID ROLL AND APPLYING EXTERNAL PRESSURE TO THE PERIPHERY THEREOF, AND PASSING A HEATED FLUID IN HEAT TRANSFER RELATIONSHIP WITH SAID ROLL FORM, SAID INTERMEDIATE LAYER MEMBER BEING FORMED OF CHLOROSULONATED POLYETHYLENES.
Claim 2
Independent Claim
75 words
A METHOD OF VULCANIZING AN ELONGATED WEFT IMPREGNATED WITH A VULCANIZALBE ELASTOMER, COMPRISING WINDING SAID WEFT INTO A ROLL FROM AND SIMULTANEOUSLY INTERPOSING AN INTERMEDIATE LAYER MEMBER BETWEEN ADJACENT TURNS OF SAID WEFT TO MAINTAIN SAID ADJACENT TURNS SEPARATE FROM EACH OTHER, ROTATING SAID ROLL AND APPLYING EXTERNAL PRESSURE TO THE PERIPHERY THEREOF, AND PASSING A HEATED FLUID IN HEAT TRANSFER RELATIONSHIP WITH SAID ROLL FORM, SAID INTERMEDIATE LAYER MEMBER BEING FORMED OF CHLOROSULONATED POLYETHYLENES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |