US3141085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work-in-circuit consumable electrode arc welding
Assignee: Union Carbide Corp
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Filing: 1962-11-23
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Granted: 1964-07-14
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Expires: 1982-11-23
Abstract
No abstract record available.
Inventors
- 👤 August F Manz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:10
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/06; B23K9/067; B23K9/0671
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
WORK-IN-CIRCUIT CONSUMABLE ELECTRODE ARC WELDING, WHICH COMPRISES APPLYING A REGULATED VOLTAGE BETWEEN AN ELECTRODE-WIRE AND THE WORK TO BE WELDED SO THAT A RELATIVELY LOW CURRENT FLOWS WHEN SUCH WIRE TOUCHES THE WORK, RELATIVELY SLOWLY FEEDING SUCH WIRE TOWARD THE WORK UNTIL THE WIRE TOUCHES THE WORK; INITIATING SUCH LOW CURRENT FLOW AS SOON AS THE SO-FED WIRE TOUCHES THE WORK, RETRACTING THE WIRE UPON INITIATION OF SUCH LOW CURRENT FLOW BY SUCH REGULATED VOLTAGE; DRAWING A NON-SPATTERING PILOT-ARC BETWEEN THE SO-RETRACTED WIRE AND THE WORK BY VIRTURE OF SUCH LOW CURRENT AT SUCH REGULATED VOLTAGE; AND IN RESPONSE TO SUCH LOW CURRENT FLOW, STOPPING THE RETRACTION OF SUCH WIRE AND FEEDING IT AT A WELDING RATE TOWARD SUCH WORK AT A REGULATED WELDING VOLTAGE SUCH THAT THE WELDING CURRENT ARC IS SMOOTHLY ESTABLISHED.
Claim 2
Dependent Claim
134 words
WORK-IN-CIRCUIT CONSUMABLE ELECTRODE ARC WELDING, WHICH COMPRISES APPLYING A REGULATED VOLTAGE BETWEEN AN ELECTRODE-WIRE AND THE WORK TO BE WELDED SO THAT A RELATIVELY LOW CURRENT FLOWS WHEN SUCH WIRE TOUCHES THE WORK, RELATIVELY SLOWLY FEEDING SUCH WIRE TOWARD THE WORK UNTIL THE WIRE TOUCHES THE WORK; INITIATING SUCH LOW CURRENT FLOW AS SOON AS THE SO-FED WIRE TOUCHES THE WORK, RETRACTING THE WIRE UPON INITIATION OF SUCH LOW CURRENT FLOW BY SUCH REGULATED VOLTAGE; DRAWING A NON-SPATTERING PILOT-ARC BETWEEN THE SO-RETRACTED WIRE AND THE WORK BY VIRTURE OF SUCH LOW CURRENT AT SUCH REGULATED VOLTAGE; AND IN RESPONSE TO SUCH LOW CURRENT FLOW, STOPPING THE RETRACTION OF SUCH WIRE AND FEEDING IT AT A WELDING RATE TOWARD SUCH WORK AT A REGULATED WELDING VOLTAGE SUCH THAT THE WELDING CURRENT ARC IS SMOOTHLY ESTABLISHED.
References Cited (Backward Citations)
US2806127A
Cited
US3054886A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-14 | 1968-01-13 | 1968-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-14 | 1972-01-13 | 1972-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-14 | 1976-01-13 | 1976-07-14 | $7700.00 | Window Closed / Lapsed |