Patent US3251332A successfully refreshed from Google Patents.
US3251332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe-forming apparatus using a floating support
Assignee: Mobile Pipe Corp
•
Filing: 1964-01-24
•
Granted: 1966-05-17
•
Expires: 1984-01-24
Abstract
No abstract record available.
Inventors
- 👤 Clyde W Vassar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:14
CPC Classifications
F; F16; F16L; F16L1/00; F16L1/12; F16L1/20; F16L1/202; F16L1/206; B; B21; B21C; B21C37/00; B21C37/06; B21C37/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
FLOATING APPARATUS FOR MAKING CONTINUOUS PIPE, COMPRISING IN COMBINATION: A FLOATING BARGE, MEANS INCLUDING TRANSITION ROLLS ON THE BARGE FOR SHAPING A MOVING METAL STRIP INTO A CYLINDRICAL MEMBER, SAID MEANS INCLUDING AT LEAST ONE MOTOR FOR DRIVING SAID TRANSITION ROLLS AND MOVING THE METAL STRIP THERETHROUGH, A WELDING DEVICE MOUNTED ON THE BARGE FOR JOINING EDGES OF THE SHAPED STRIP TO FORM A CONTINUOUS PIPE, A FIRST TUGBOAT FORWARD OF THE BARGE AND A SECOND TUGBOAT REARWARD OF THE BARGE, A PAIR OF WINCHES ON THE BARGE EACH HAVING A CABLE TO BE WOUNDIN AND PLAYED-OUT BY ITS RESPECTIVE WINCH, ONE OF THE CABLES EXTENDING FORWARD FROM SAID BARGE AND THE OTHER EXTENDING REARWARD THEREFROM, MEANS ON EACH TUGBOART FOR ENGAGING ONE OF SAID CABLES, RESPECTIVELY, A PAIR OF MOTORS, ONE CONNECTED TO DRIVE EACH WINCH, RESPECTIVELY, AND MEANS CONNECTED TO EACH OF SAID MOTORS TO SYNCHRONIZE THE RELATIVE SPEEDS OF THE WINCH MOTORS AND THE ROLL DRIVING MOTOR.
Claim 2
Dependent Claim
160 words
FLOATING APPARATUS FOR MAKING CONTINUOUS PIPE, COMPRISING IN COMBINATION: A FLOATING BARGE, MEANS INCLUDING TRANSITION ROLLS ON THE BARGE FOR SHAPING A MOVING METAL STRIP INTO A CYLINDRICAL MEMBER, SAID MEANS INCLUDING AT LEAST ONE MOTOR FOR DRIVING SAID TRANSITION ROLLS AND MOVING THE METAL STRIP THERETHROUGH, A WELDING DEVICE MOUNTED ON THE BARGE FOR JOINING EDGES OF THE SHAPED STRIP TO FORM A CONTINUOUS PIPE, A FIRST TUGBOAT FORWARD OF THE BARGE AND A SECOND TUGBOAT REARWARD OF THE BARGE, A PAIR OF WINCHES ON THE BARGE EACH HAVING A CABLE TO BE WOUNDIN AND PLAYED-OUT BY ITS RESPECTIVE WINCH, ONE OF THE CABLES EXTENDING FORWARD FROM SAID BARGE AND THE OTHER EXTENDING REARWARD THEREFROM, MEANS ON EACH TUGBOART FOR ENGAGING ONE OF SAID CABLES, RESPECTIVELY, A PAIR OF MOTORS, ONE CONNECTED TO DRIVE EACH WINCH, RESPECTIVELY, AND MEANS CONNECTED TO EACH OF SAID MOTORS TO SYNCHRONIZE THE RELATIVE SPEEDS OF THE WINCH MOTORS AND THE ROLL DRIVING MOTOR.
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) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |