US3193425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edge bonding of conveyor belts
Assignee: Dana Inc
•
Filing: 1963-04-10
•
Granted: 1965-07-06
•
Expires: 1983-04-10
Abstract
No abstract record available.
Inventors
- 👤 Dennis W Holdsworth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:22
CPC Classifications
B; B29; B29D; B29D29/00; B29D29/06; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/1011; Y10T156/1028; Y10T156/1031
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
THE PROCESS OF PRODUCING ROUND-EDGE BELTING HAVING ELASTOMERIC COVERING MATERIAL, WHICH COMPRISES THE FOLLOWING STEPS, VIZ., (1) LEADING TO AN EDGE OF THE BELTING A FABRIC BACKING TAPE CARRYING A RIBBON OF UNCURED ELASTOMERIC MATERAIL ADHESIVELY ATTACHED THERETO, (2) FOLDING THE RIBBON WITH ITS BACKING TAPE ABOUT THE EDGE OF THE BELTING, (3) SECURING THE BACKING TAPE DIRECTLY TO THE FLAT FACES OF THE BELTING WHILE THE ELASTOMERIC RIBBON IS CONFINED WITHIN THE BACKING TAPE, (4) HEATING AND MOLDING THE ELASTOMERIC MATERIAL OF THE BELTING AND THE RIBBON WHILE CONFINED BY THE BACKING TAPE, AND (5) STRIPPING THE USED TAPE FROM THE BELTING, LEAVING THE MOLDED ELASTOMERIC RIBBON AS A ROUNDED INTEGRAL EDGE PORTION OF THE BELTING
Claim 2
Dependent Claim
117 words
THE PROCESS OF PRODUCING ROUND-EDGE BELTING HAVING ELASTOMERIC COVERING MATERIAL, WHICH COMPRISES THE FOLLOWING STEPS, VIZ., (1) LEADING TO AN EDGE OF THE BELTING A FABRIC BACKING TAPE CARRYING A RIBBON OF UNCURED ELASTOMERIC MATERAIL ADHESIVELY ATTACHED THERETO, (2) FOLDING THE RIBBON WITH ITS BACKING TAPE ABOUT THE EDGE OF THE BELTING, (3) SECURING THE BACKING TAPE DIRECTLY TO THE FLAT FACES OF THE BELTING WHILE THE ELASTOMERIC RIBBON IS CONFINED WITHIN THE BACKING TAPE, (4) HEATING AND MOLDING THE ELASTOMERIC MATERIAL OF THE BELTING AND THE RIBBON WHILE CONFINED BY THE BACKING TAPE, AND (5) STRIPPING THE USED TAPE FROM THE BELTING, LEAVING THE MOLDED ELASTOMERIC RIBBON AS A ROUNDED INTEGRAL EDGE PORTION OF THE BELTING
References Cited (Backward Citations)
US61173A
Cited
US3123508A
Cited
US1590371A
Cited
US2342261A
Cited
US2696865A
Cited
US2748044A
Cited
US3000771A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |