US3100256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic welding apparatus
Assignee: Northrop Grumman Corp
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Filing: 1961-03-16
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Granted: 1963-08-06
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Expires: 1981-03-16
Abstract
No abstract record available.
Inventors
- 👤 Borg Sune Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:42
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/028; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49877
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
AUTOMATIC APPARATUS FOR WELDING A CIRCULAR SEAM FORMED AT THE JUNCTION OF TWO CONFRONTING ELEMENTS, COMPRISING, IN COMBINATION, WELDING MEANS, ADVANCING MEANS OPERABLE WHEN ACTUATED TO MOVE ONE OF A SUCCESSION OF PAIRS OF CONFRONTING ELEMENTS INTO A WELDING POSITION IN WHICH A PORTION OF THE SEAM AT THE JUNCTION OF THE ELEMENTS IS IN WELDING PROXIMITY TO THE WELDING MEANS, CLAMPING MEANS ENGAGING EACH PAIR OF ELEMENTS IN WELDING POSITION ABOUT THEIR ENTIRE PERIPHERIES TO HOLD THE SEAM IN A FIXED PLANE DURING WELDING, MEANS FOR ACTUATING THE WELDING MEANS TO WELD THE SEAM, AND MEANS CONTROLLED BY SAID ACTUATING MEANS AFTER COMPLETION OF EACH WELDING TO ACTUATE SAID ADVANCING MEANS TO MOVE THE WELDED ELEMENTS OUT OF WELDING POSITION AND TO MOVE THE NEXT SUCCEEDING PAIR INTO WELDING POSITION.
Claim 2
Dependent Claim
131 words
AUTOMATIC APPARATUS FOR WELDING A CIRCULAR SEAM FORMED AT THE JUNCTION OF TWO CONFRONTING ELEMENTS, COMPRISING, IN COMBINATION, WELDING MEANS, ADVANCING MEANS OPERABLE WHEN ACTUATED TO MOVE ONE OF A SUCCESSION OF PAIRS OF CONFRONTING ELEMENTS INTO A WELDING POSITION IN WHICH A PORTION OF THE SEAM AT THE JUNCTION OF THE ELEMENTS IS IN WELDING PROXIMITY TO THE WELDING MEANS, CLAMPING MEANS ENGAGING EACH PAIR OF ELEMENTS IN WELDING POSITION ABOUT THEIR ENTIRE PERIPHERIES TO HOLD THE SEAM IN A FIXED PLANE DURING WELDING, MEANS FOR ACTUATING THE WELDING MEANS TO WELD THE SEAM, AND MEANS CONTROLLED BY SAID ACTUATING MEANS AFTER COMPLETION OF EACH WELDING TO ACTUATE SAID ADVANCING MEANS TO MOVE THE WELDED ELEMENTS OUT OF WELDING POSITION AND TO MOVE THE NEXT SUCCEEDING PAIR INTO WELDING POSITION.
References Cited (Backward Citations)
US2798146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-05 | 1967-02-04 | 1967-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-05 | 1971-02-04 | 1971-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-05 | 1975-02-04 | 1975-08-06 | $7700.00 | Window Closed / Lapsed |