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US3119005A Expired / Lapsed US ⏱️ 0.0 years remaining

Electric resistance seam welder

Assignee: Taylor Winfield Corp
•
Filing: 1962-02-14
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Granted: 1964-01-21
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Expires: 1982-02-14
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph J Riley
  • 👤 Foster R Woodward

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 08:02
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)

DE235774C Cited
US1282502A Cited
US1787039A Cited
US2023085A Cited
US2957975A Cited

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

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