Tire building machine having plural supply positions and an axially shiftable drum
Abstract
Abstract A TIRE BUILDING MACHINE HAVING A PAIR OF SUPPLY MECHANISMS FOR SIMULTANEOUSLY SUPPLYING A PAIR OF CONTINUOUS STRIPS OF BREAKER MATERIAL OF THE SAME OR DIFFERENT PHYSICAL CHARACTERISTICS, A PAIR OF SEVERING DECIVES WHICH SEVER THE STRIP INTO STRIP PORTIONS, A PAIR OF TRANSFER MECHANISMS FOR TRANSPORTING THE SEVERED STRIP PORTIONS, RESPECTIVELY, TO A PAIR OF SPACED LOCATIONS, AND A SINGLE BREAKER BUILDING DRUM WHICH IS INTERMITTENTLY SHIFTABLE ALONG A FIXED AXIS BETWEEN THREE STOPPED POSITIONS TWO OF WHICH COINCIDE WITH SAID SPACED LOCATIONS, RESPECTIVELY. AFTER THE BREAKER PLIES ARE BUILT UP ON SAID BUILDING DRUM AT SAID PAIR OF SPACED LOCATIONS AND TREAD APPLICATOR MECHANISM, ALSO LOCATED AT THE SECOND LOCATION, APPLIES A STRIP OF TREAD MATERIAL AROUND THE BREAKER PLY ASSEMBLY. IN THE THIRD POSITION OF THE BUILDING DRUM A TRANSFER RING COOPERATES THEREWITH FOR TRANSFERRING A COMPLETED BREAKER-TREAD ASSEMBLY FROM THE BUILDING DRUM ONTO A CARCASS SUPPORTED ON A CARCASS SUPPORT MEMBER.
Inventors
- 👤 Jean Leblond
- 👤 Jean Biet
Bibliographic Details
Claims Analysis
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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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |