Patent US3215812A successfully refreshed from Google Patents.
US3215812A
Expired / Lapsed
US
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Stub welding machine
Assignee: Babcock International Ltd
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Filing: 1962-09-18
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Granted: 1965-11-02
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Expires: 1982-09-18
Abstract
No abstract record available.
Inventors
- 👤 Smith Allan Keppie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:36
CPC Classifications
B; B23; B23Q; B23Q9/00; B23Q9/0014; B23Q9/0021; B23K; B23K9/00; B23K9/02; B23K9/028; B23K9/032
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A STUB WELDING MACHINE SUITABLE FOR ARC WELDING A STUB TUBE TO A BASE MEMBER HAVING A CURVED SURFACE BY MEANS OF A CONSUMABLE ELECTRODE INCLUDING A SPINDLE, MEANS FOR SUPPORTING SAID SPINDLE IN AXIAL ALIGNMENT WITH SAID STUB, A BODY MOUNTED FOR ROTATION ABOUT SAID SPINDLE, POWER DRIVEN MEANS FOR ROTATING SAID BODY ABOUT THE SPINDLE, A WELDING NOZZLE, A MEMBER MOUNTED ON SAID BODY FOR SUPPORTING SAID NOZZLE, POWER DRIVEN MEANS FOR MOVING SAID MEMBER ON SAID BODY AXIALLY OF THE AXIS OF SAID STUB, A SEPARATE POWER DRIVEN MEANS FOR MOVING SAID MEMBER ON SAID BODY RADIALLY OF THE AXIS OF SAID STUB, CONTROL MEANS ACTUATING SAID POWER MEANS TO VARY THE POSITION OF THE NOZZLE RELATIVE TO THE STUB, AND MECHANICAL MEANS INCLUDING A CAM AND MOTOR DRIVEN CAM FOLLOWER
Claim 2
Dependent Claim
134 words
A STUB WELDING MACHINE SUITABLE FOR ARC WELDING A STUB TUBE TO A BASE MEMBER HAVING A CURVED SURFACE BY MEANS OF A CONSUMABLE ELECTRODE INCLUDING A SPINDLE, MEANS FOR SUPPORTING SAID SPINDLE IN AXIAL ALIGNMENT WITH SAID STUB, A BODY MOUNTED FOR ROTATION ABOUT SAID SPINDLE, POWER DRIVEN MEANS FOR ROTATING SAID BODY ABOUT THE SPINDLE, A WELDING NOZZLE, A MEMBER MOUNTED ON SAID BODY FOR SUPPORTING SAID NOZZLE, POWER DRIVEN MEANS FOR MOVING SAID MEMBER ON SAID BODY AXIALLY OF THE AXIS OF SAID STUB, A SEPARATE POWER DRIVEN MEANS FOR MOVING SAID MEMBER ON SAID BODY RADIALLY OF THE AXIS OF SAID STUB, CONTROL MEANS ACTUATING SAID POWER MEANS TO VARY THE POSITION OF THE NOZZLE RELATIVE TO THE STUB, AND MECHANICAL MEANS INCLUDING A CAM AND MOTOR DRIVEN CAM FOLLOWER
References Cited (Backward Citations)
US1949251A
Cited
GB874258A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |