Patent US3242307A successfully refreshed from Google Patents.
US3242307A
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US
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Method for welding studs
Assignee: Gregory Industries Inc
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Filing: 1963-01-29
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Granted: 1966-03-22
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Expires: 1983-01-29
Abstract
No abstract record available.
Inventors
- 👤 Lorenz J Mowry
- 👤 Vincent P Valeri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:24
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/20; B23K9/201; B23K9/202
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A METHOD OF WELDING A STUD TO A SURFACE OF A WORK PIECE, WHICH METHOD COMPRISES HOLDING AN END OF THE STUD AGAINST THE SURFACE, MOVING THE STUD A PREDETERMINED DISTANCE AWAY FROM THE SURFACE, APPLYING AN ELECTRICAL POTENTIAL ACROSS THE STUD AND THE WORK PIECE TO ESTABLISH AN ARC BETWEEN THE STUD AND THE WORK PIECE, HOLDING THE STUD AT THE PREDETERMINED DISTANCE FROM THE SURFACE FOR A PREDETERMINED PERIOD OF TIME WHILE CONTINUING TO MAINTAIN THE ARC BETWEEN THE STUD AND THE WORK PIECE, MOVING THE STUD TOWARD THE WORK PIECE AT A FIRST SPEED, SUBSEQUENTLY MOVING THE STUD TOWARD THE WORK PIECE AT A SECOND AND SLOWER SPEED UNTIL THE STUD END ENGAGES THE WORK PIECE AND STOPS, AND STOPPING THE ARC SUBSTANTIALLY AT THE TIME THE STUD BEGINS MOVING AT THE SECOND AND SLOWER SPEED.
Claim 2
Independent Claim
139 words
A METHOD OF WELDING A STUD TO A SURFACE OF A WORK PIECE, WHICH METHOD COMPRISES HOLDING AN END OF THE STUD AGAINST THE SURFACE, MOVING THE STUD A PREDETERMINED DISTANCE AWAY FROM THE SURFACE, APPLYING AN ELECTRICAL POTENTIAL ACROSS THE STUD AND THE WORK PIECE TO ESTABLISH AN ARC BETWEEN THE STUD AND THE WORK PIECE, HOLDING THE STUD AT THE PREDETERMINED DISTANCE FROM THE SURFACE FOR A PREDETERMINED PERIOD OF TIME WHILE CONTINUING TO MAINTAIN THE ARC BETWEEN THE STUD AND THE WORK PIECE, MOVING THE STUD TOWARD THE WORK PIECE AT A FIRST SPEED, SUBSEQUENTLY MOVING THE STUD TOWARD THE WORK PIECE AT A SECOND AND SLOWER SPEED UNTIL THE STUD END ENGAGES THE WORK PIECE AND STOPS, AND STOPPING THE ARC SUBSTANTIALLY AT THE TIME THE STUD BEGINS MOVING AT THE SECOND AND SLOWER SPEED.
References Cited (Backward Citations)
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US2462882A
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US2474531A
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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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |