← Back to Patent Explorer
US3291957A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for removal of insulation coating of parts in spot welding

Assignee: Individual
•
Filing: 1965-10-12
•
Granted: 1966-12-13
•
Expires: 1985-10-12
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Albert G Bodine

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 12:09
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/16; B23K11/163

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 89 words
IN A SPOT WELDING MACHINE, THE COMBINATION OF: A WELDING ELECTRODE ADAPTED TO CONTACT A COATED PART TO BE SPOT WELDED; MEANS FOR EFFECTING RELATIVE SONIC VIBRATION BETWEEN SAID ELECTRODE AND SAID PART TO REMOVE SAID COATING, EMBODYING AN ELONGATED ELASTICALLY VIBRATORY BAR ADAPTED TO HAVE TRANSVERSE RESONANT STANDING WAVE VIBRATION SET UP THEREIN, CHARACTERIZED BY NODES AND ANTINODES; SAID ELECTRODE BEING MOUNTED ON SAID BAR AT A VIBRATORY PORTION THEREOF; AND A MECHANICAL OSCILLATOR COUPLED TO SAID BAR IN THE REGION OF AN ANTINODE OF SAID STANDING WAVE.

References Cited (Backward Citations)

US2222906A Cited
US2805320A Cited
US2846563A Cited
US2847556A Cited
US3117768A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-12-12 1970-06-13 1970-12-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-12-12 1974-06-13 1974-12-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-12-12 1978-06-13 1978-12-13 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag