Patent US3178550A successfully refreshed from Google Patents.
US3178550A
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Methods and apparatus for welding sheet material
Assignee: ThyssenKrupp Budd Co
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Filing: 1962-11-16
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Granted: 1965-04-13
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Expires: 1982-11-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter S Eggert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:49
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/032; B23K9/0325
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A METHOD OF FORMING A CONTINUOUS BUTT-WELDED SEAM IN SHEET MATERIAL, COMPRISING THE STEPS OF: MATING THOSE EDGES OF THE SHEET MATERIAL FROM WHICH THE SEAM IS FORMED; MOVING SAID SHEET MATERIAL SO THAT IT TRAVELS IN A DIRECTION ALONG THE MATED EDGES; SIMULTANEOUSLY ARCUATELY BENDING THE SHEET MATERIAL TRANSVERSELY OF THE MATING EDGES AND POSITIVELY RESTRAINING THE MATING EDGES FROM MOVEMENT IN EITHER DIRECTION OUT OF MATING ENGAGEMENT; AND THEN WELDING THE MATING EDGES AT A POINT ADJACENT TO THOSE PORTIONS UNDERGOING SAID BENDING AND RESTRAINING.
Claim 2
Independent Claim
87 words
A METHOD OF FORMING A CONTINUOUS BUTT-WELDED SEAM IN SHEET MATERIAL, COMPRISING THE STEPS OF: MATING THOSE EDGES OF THE SHEET MATERIAL FROM WHICH THE SEAM IS FORMED; MOVING SAID SHEET MATERIAL SO THAT IT TRAVELS IN A DIRECTION ALONG THE MATED EDGES; SIMULTANEOUSLY ARCUATELY BENDING THE SHEET MATERIAL TRANSVERSELY OF THE MATING EDGES AND POSITIVELY RESTRAINING THE MATING EDGES FROM MOVEMENT IN EITHER DIRECTION OUT OF MATING ENGAGEMENT; AND THEN WELDING THE MATING EDGES AT A POINT ADJACENT TO THOSE PORTIONS UNDERGOING SAID BENDING AND RESTRAINING.
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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |