US3016319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of cold repairing rubber belts especially rubber conveyor belts
Assignee: Individual
•
Filing: 1957-02-28
•
Granted: 1962-01-09
•
Expires: 1977-02-28
Abstract
No abstract record available.
Inventors
- 👤 Halverscheid Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:33
CPC Classifications
B; B29; B29C; B29C73/00; B29C73/04; B29C73/10; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/709; B29L2031/7092; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10882
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A METHOD OF COLD REPAIRING RUBBER BELTS, WITH A FABRIC INSERT, WHICH INCLUDES THE STEPS OF: CUTTING OUT THE DAMAGED PORTION OF THE BELT DOWN TO THE FABRIC INSERT OF THE BELT, APPLYING TO THE EXPOSED SURFACE OF THE FABRIC INSERT A COLD STICKING FILM HAVING ON THE OUTER SIDE THEREOF A FLEXIBLE AND DETACHABLE COVER FOIL, WORKING AND PRESSING SAID COLD STICKING FILM AGAINST SAID DAMAGED PORTION WHILE SAID COVER FOIL IS STILL IN PLACE SO THAT SAID COLD STICKING FILM FIRMLY ADHERES TO SAID FABRIC INSERT, THEREAFTER REMOVING SAID COVER FOIL FROM THE APPLIED COLD STICKING FILM, AND SUPERIMPOSING UPON SAID APPLIED COLD STICKING FILM AN UNVULCANIZED PLASTIC CALENDERED RUBBER REPAIR PATCH ADAPTED TO VULCANIZE WHEN EXPOSED TO THE AIR.
Claim 2
Independent Claim
122 words
A METHOD OF COLD REPAIRING RUBBER BELTS, WITH A FABRIC INSERT, WHICH INCLUDES THE STEPS OF: CUTTING OUT THE DAMAGED PORTION OF THE BELT DOWN TO THE FABRIC INSERT OF THE BELT, APPLYING TO THE EXPOSED SURFACE OF THE FABRIC INSERT A COLD STICKING FILM HAVING ON THE OUTER SIDE THEREOF A FLEXIBLE AND DETACHABLE COVER FOIL, WORKING AND PRESSING SAID COLD STICKING FILM AGAINST SAID DAMAGED PORTION WHILE SAID COVER FOIL IS STILL IN PLACE SO THAT SAID COLD STICKING FILM FIRMLY ADHERES TO SAID FABRIC INSERT, THEREAFTER REMOVING SAID COVER FOIL FROM THE APPLIED COLD STICKING FILM, AND SUPERIMPOSING UPON SAID APPLIED COLD STICKING FILM AN UNVULCANIZED PLASTIC CALENDERED RUBBER REPAIR PATCH ADAPTED TO VULCANIZE WHEN EXPOSED TO THE AIR.
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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) | 1965-01-08 | 1965-07-10 | 1966-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-08 | 1969-07-10 | 1970-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-08 | 1973-07-10 | 1974-01-09 | $7700.00 | Window Closed / Lapsed |