US3119005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric resistance seam welder
Assignee: Taylor Winfield Corp
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Filing: 1962-02-14
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Granted: 1964-01-21
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Expires: 1982-02-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Riley
- 👤 Foster R Woodward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:17
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN AN ELECTRIC RESISTANCE SEAM WELDER HAVING A ROTARY WELDING ELECTRODE AND MEANS TO EFFECT RELATIVE MOVEMENT OF THE ELECTRODE AND THE WORK TO BE WELDED AT A DESIRED WELDING SPEED, THE IMPROVEMENT COMPRISING A LOW-TORQUE HIGH-SLIP DRIVE FOR SAID ELECTRODE TO IDLE SAID ELECTRODE AT A PERIPHERAL SPEED APPROXIMATELY EQUAL TO SAID WELDING SPEED, THE ARRANGEMENT BEING SUCH THAT AT THE START OF A WELDING CYCLE THE ELECTRODE MAY BE FIRST BROUGHT UP TO SAID APPROXIMATE SPEED AND WHILE SO ROTATING BE BROUGHT INTO CONTACT WITH THE WORK AFTER WHICH SAID ELECTRODE WILL BE BROUGHT TO EXACT WELDING SPEED BY THE RETARDIVE OR ASSISTIVE ACTION OF FRICTIONAL ENGAGEMENT BETWEEN THE ELECTRODE AND WORK.
Claim 2
Dependent Claim
114 words
IN AN ELECTRIC RESISTANCE SEAM WELDER HAVING A ROTARY WELDING ELECTRODE AND MEANS TO EFFECT RELATIVE MOVEMENT OF THE ELECTRODE AND THE WORK TO BE WELDED AT A DESIRED WELDING SPEED, THE IMPROVEMENT COMPRISING A LOW-TORQUE HIGH-SLIP DRIVE FOR SAID ELECTRODE TO IDLE SAID ELECTRODE AT A PERIPHERAL SPEED APPROXIMATELY EQUAL TO SAID WELDING SPEED, THE ARRANGEMENT BEING SUCH THAT AT THE START OF A WELDING CYCLE THE ELECTRODE MAY BE FIRST BROUGHT UP TO SAID APPROXIMATE SPEED AND WHILE SO ROTATING BE BROUGHT INTO CONTACT WITH THE WORK AFTER WHICH SAID ELECTRODE WILL BE BROUGHT TO EXACT WELDING SPEED BY THE RETARDIVE OR ASSISTIVE ACTION OF FRICTIONAL ENGAGEMENT BETWEEN THE ELECTRODE AND WORK.
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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |