US3142745A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotatable arc welding torch
Assignee: Foster Wheeler Inc
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Filing: 1962-05-04
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Granted: 1964-07-28
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Expires: 1982-05-04
Abstract
No abstract record available.
Inventors
- 👤 Gotch Ronald William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:19
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/028; B23K9/0288
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A ROTATABLE ARE WELDING TORCH FOR WELDING TUBES TO A TUBE SHEET COMPRISING AN ELONGATED ROD-LIKE ELECTRODE HOLDER, AN ELECTRODE SUPPORTED BY SAID HOLDER AND EXTENDING LATERALLY THEREFROM, HOUSING MEANS ADAPTED TO SUPPORT SAID HOLDER WITHIN A TUBE SHEET HOLE AND TO LOCATE SAID ELECTRODE ADJACENT THE POINT OF THE WELD, A CENTERING PLATE AFFIXED TO SAID HOUSING, PEG MEANS PROJECTING FROM SAID CENTERING PLATE ALONG AXES PARALLEL TO THE AXIS OF SAID ELECTRODE HOLDER ADAPTED TO BE ENGAGED IN SPACED HOLES IN THE TUBE SHEET OTHER THAN THE HOLE IN WHICH SAID ELECTRODE HOLDER IS SUPPORTED, AND TUBULAR GUARD MEANS ENCOMPASSING SAID ELECTRODE HOLDER HAVING AN ECCENTRIC CROSS SECTIONAL CONFIGURATION ADAPTED TO TANGENTIALLY CONTACT THE WALL OF THE TUBE SHEET HOLE AND TO LOCATE THE ELECTRODE HOLDER SO THAT ITS AXIS OF ROTATION COINCIDES WITH THE AXIS OF THE TUBE SHEET HOLE IN WHICH IT IS SUPPORTED, SAID PEG MEANS BEING ADAPTED FOR LATERAL MOVEMENT RELATIVE TO SAID AXIS OF ROTATION.
Claim 2
Dependent Claim
162 words
A ROTATABLE ARE WELDING TORCH FOR WELDING TUBES TO A TUBE SHEET COMPRISING AN ELONGATED ROD-LIKE ELECTRODE HOLDER, AN ELECTRODE SUPPORTED BY SAID HOLDER AND EXTENDING LATERALLY THEREFROM, HOUSING MEANS ADAPTED TO SUPPORT SAID HOLDER WITHIN A TUBE SHEET HOLE AND TO LOCATE SAID ELECTRODE ADJACENT THE POINT OF THE WELD, A CENTERING PLATE AFFIXED TO SAID HOUSING, PEG MEANS PROJECTING FROM SAID CENTERING PLATE ALONG AXES PARALLEL TO THE AXIS OF SAID ELECTRODE HOLDER ADAPTED TO BE ENGAGED IN SPACED HOLES IN THE TUBE SHEET OTHER THAN THE HOLE IN WHICH SAID ELECTRODE HOLDER IS SUPPORTED, AND TUBULAR GUARD MEANS ENCOMPASSING SAID ELECTRODE HOLDER HAVING AN ECCENTRIC CROSS SECTIONAL CONFIGURATION ADAPTED TO TANGENTIALLY CONTACT THE WALL OF THE TUBE SHEET HOLE AND TO LOCATE THE ELECTRODE HOLDER SO THAT ITS AXIS OF ROTATION COINCIDES WITH THE AXIS OF THE TUBE SHEET HOLE IN WHICH IT IS SUPPORTED, SAID PEG MEANS BEING ADAPTED FOR LATERAL MOVEMENT RELATIVE TO SAID AXIS OF ROTATION.
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) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |