Patent US3431383A successfully refreshed from Google Patents.
US3431383A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edge guidance of an unseamed tube in the continuous welding of the tube
Assignee: Continental Can Co Inc
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Filing: 1963-06-07
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Granted: 1969-03-04
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Expires: 1983-06-07
Abstract
No abstract record available.
Inventors
- 👤 Lee R Ullery Jr
- 👤 Steve F Wronski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:44
CPC Classifications
B; B23; B23K; B23K13/00; B23K13/04; B23K13/043; B23K13/046
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A METHOD FOR WELDING TOGETHER THE EDGE PORTIONS OF STRIP INTO A SEAM IN WHICH THE EDGE PORTIONS ARE GUIDED IN A V-PATTERN FROM SEPARATED, NON-OVERLAPPING FIRST POSITIONS TO CONTACTING AND OVERLAPPING RELATION SUBSTANTIALLY AT THE WELD POINT AND THE EDGE PORTIONS ARE HEATED PRIOR TO BEING BROUGHT INTO OVERLAPPING RELATION, THE IMPROVEMENT WHICH COMPRISES, AT A POINT WITHIN THE V-PATTERN AND INTERMEDIATE SAID FIRST POSITIONS AND THE WELD POINT, HOLDING THE EDGE PORTIONS IN A MORE WIDELY SPACED RELATION THAN THAT NORMALLY DEMANDED BY THE V-PATTERN WITH THE EDGE PORTIONS BEING PLACED IN TENSION.
Claim 2
Dependent Claim
96 words
IN A METHOD FOR WELDING TOGETHER THE EDGE PORTIONS OF STRIP INTO A SEAM IN WHICH THE EDGE PORTIONS ARE GUIDED IN A V-PATTERN FROM SEPARATED, NON-OVERLAPPING FIRST POSITIONS TO CONTACTING AND OVERLAPPING RELATION SUBSTANTIALLY AT THE WELD POINT AND THE EDGE PORTIONS ARE HEATED PRIOR TO BEING BROUGHT INTO OVERLAPPING RELATION, THE IMPROVEMENT WHICH COMPRISES, AT A POINT WITHIN THE V-PATTERN AND INTERMEDIATE SAID FIRST POSITIONS AND THE WELD POINT, HOLDING THE EDGE PORTIONS IN A MORE WIDELY SPACED RELATION THAN THAT NORMALLY DEMANDED BY THE V-PATTERN WITH THE EDGE PORTIONS BEING PLACED IN TENSION.
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) | 1972-03-03 | 1972-09-02 | 1973-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-03 | 1976-09-02 | 1977-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-03 | 1980-09-02 | 1981-03-04 | $7700.00 | Window Closed / Lapsed |