US3133225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic welding control
Assignee: Union Carbide Corp
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Filing: 1961-07-17
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Granted: 1964-05-12
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Expires: 1981-07-17
Abstract
No abstract record available.
Inventors
- 👤 Roscoe R Lobosco
- 👤 Jr Edward J Ruland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:31
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/12; B23K9/124; B23K9/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
168 words
A CONSUMABLE WIRE ELECTRODE ARC WELDING SYSTEM, SAID SYSTEM INCLUDING A PLURALITY OF WIRE FEED MEANS FOR FEEDING A PLURALITY OF CONSUMABLE WIRE ELECTRODES FROM A SOURCE OF SUCH WIRE TO A WORKPIECE, EACH OF SAID WIRE FEED MEANS BEING IN COMBINATION WITH A CONTROL CIRCUIT, EACH OF SAID CONTROL CIRCUITS INCLUDING; A WIRE FEED CIRCUIT FOR ACTUATING SAID WIRE FEED MEANS, AN ARC ENERGIZING CIRCUIT FOR INITIATING AN ARC BETWEEN SAID WIRE ELECTRODE AND SAID WORKPIECE, AND A LOCK-OUT CIRCUIT INCLUDING A WELDING CURRENT RELAY ELECTRICALLY CONNECTED BETWEEN SAID WIRE ELECTRODE AND SAID WORKPIECE; A LOCK-OUT RELAY CONNECTED IN ELECTRICAL CIRCUIT RELATIONSHIP WITH AND FUNCTIONING IN RESPONSE TO SAID WELDING CURRENT RELAY; A MASTER RELAY CONNECTED IN SERIES CIRCUIT RELATIONSHIP WITH THE CONTACTS OF SAID LOCK-OUT RELAY IN EACH OF SAID CONTROL CIRCUITS SO AS TO BE EFFECTUATED BY THE OPERATION OF ANY OF SAID LOCK-OUT RELAYS; A WELD START RELAY IN EACH OF SAID CONTROL CIRCUITS CONNECTED IN CIRCUIT WITH THE CONTACTS OF SAID MASTER RELAY,
Claim 2
Dependent Claim
168 words
A CONSUMABLE WIRE ELECTRODE ARC WELDING SYSTEM, SAID SYSTEM INCLUDING A PLURALITY OF WIRE FEED MEANS FOR FEEDING A PLURALITY OF CONSUMABLE WIRE ELECTRODES FROM A SOURCE OF SUCH WIRE TO A WORKPIECE, EACH OF SAID WIRE FEED MEANS BEING IN COMBINATION WITH A CONTROL CIRCUIT, EACH OF SAID CONTROL CIRCUITS INCLUDING; A WIRE FEED CIRCUIT FOR ACTUATING SAID WIRE FEED MEANS, AN ARC ENERGIZING CIRCUIT FOR INITIATING AN ARC BETWEEN SAID WIRE ELECTRODE AND SAID WORKPIECE, AND A LOCK-OUT CIRCUIT INCLUDING A WELDING CURRENT RELAY ELECTRICALLY CONNECTED BETWEEN SAID WIRE ELECTRODE AND SAID WORKPIECE; A LOCK-OUT RELAY CONNECTED IN ELECTRICAL CIRCUIT RELATIONSHIP WITH AND FUNCTIONING IN RESPONSE TO SAID WELDING CURRENT RELAY; A MASTER RELAY CONNECTED IN SERIES CIRCUIT RELATIONSHIP WITH THE CONTACTS OF SAID LOCK-OUT RELAY IN EACH OF SAID CONTROL CIRCUITS SO AS TO BE EFFECTUATED BY THE OPERATION OF ANY OF SAID LOCK-OUT RELAYS; A WELD START RELAY IN EACH OF SAID CONTROL CIRCUITS CONNECTED IN CIRCUIT WITH THE CONTACTS OF SAID MASTER RELAY,
References Cited (Backward Citations)
US1536774A
Cited
US2987651A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-12 | 1967-11-11 | 1968-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-12 | 1971-11-11 | 1972-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-12 | 1975-11-11 | 1976-05-12 | $7700.00 | Window Closed / Lapsed |