US3091825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold welding
Assignee: Thermex Metallurgical Inc
•
Filing: 1960-03-29
•
Granted: 1963-06-04
•
Expires: 1980-03-29
Abstract
No abstract record available.
Inventors
- 👤 Jr John H Deppeler
- 👤 Edmund J Antczak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:37
CPC Classifications
B; B23; B23K; B23K23/00; Y; Y10; Y10S; Y10S164/00; Y10S164/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
62 words
THE COMBINATION OF A CRUCIBLE FOR HOLDING AN EXOTHERMIC REACTIVE MIXTURE WHICH RESULTS IN A SUPERHEATED MOLTEN METAL FOR A MOLD, SAID CRUCIBLE HAVING AN OUTLET, AND A STACK OF DISCS IN SAID OUTLET CONJOINTLY SERVING AS A PLUG FOR SAID CRUCIBLE ADAPTED TO BE FUSED BY THE HEAT OF REACTION OF SAID MIXTURE TO CONTROL THE TAP TIME OF SAID CRUCIBLE.
Claim 2
Dependent Claim
62 words
THE COMBINATION OF A CRUCIBLE FOR HOLDING AN EXOTHERMIC REACTIVE MIXTURE WHICH RESULTS IN A SUPERHEATED MOLTEN METAL FOR A MOLD, SAID CRUCIBLE HAVING AN OUTLET, AND A STACK OF DISCS IN SAID OUTLET CONJOINTLY SERVING AS A PLUG FOR SAID CRUCIBLE ADAPTED TO BE FUSED BY THE HEAT OF REACTION OF SAID MIXTURE TO CONTROL THE TAP TIME OF SAID CRUCIBLE.
Claim 3
Dependent Claim
136 words
A MOLD FOR WELDING TWO METAL PARTS TOGETHER HAVING A MOLD CAVITY FOR ENCLOSING THEREIN THE END SECTIONS OF SAID METAL PARTS IN ALIGNED END TO END SPACED RELATIONSHIP, SAID MOLD HAVING ENTRANCE GATE MEANS, EXIT GATE MEANS NEAR THE BOTTOM OF SAID MOLD CAVITY AND DISCHARGE CHAMBER MEANS ON THE DISCHARGE SIDE OF SAID EXIT GATE MEANS IN COMMUNICATION WITH SAID EXIT GATE MEANS, WHEREBY MOLTEN METAL INITIALLY DISCHARGED INTO SAID MOLD CAVITY PREHEATS SAID METAL PARTS, SAID ENTRANCE GATE MEANS BEING RELATIVELY DIMENSIONED TO CAUSE FLOW THROUGH SAID ENTRANCE GATE MEANS AT A GREATER RATE THAN DISCHARGE THROUGH SAID EXIT GATE MEANS, SAID DISCHARGE CHAMBER MEANS BEING CLOSED, WHEREBY WHEN SAID DISCHARGE CHAMBER MEANS IS FILLED WITH PREHEATING METAL, SAID METAL IN SAID DISCHARGE CHAMBER MEANS AUTOMATICALLY STOPS FLOW THROUGH SAID EXIT GATE MEANS.
Claim 4
Dependent Claim
136 words
A MOLD FOR WELDING TWO METAL PARTS TOGETHER HAVING A MOLD CAVITY FOR ENCLOSING THEREIN THE END SECTIONS OF SAID METAL PARTS IN ALIGNED END TO END SPACED RELATIONSHIP, SAID MOLD HAVING ENTRANCE GATE MEANS, EXIT GATE MEANS NEAR THE BOTTOM OF SAID MOLD CAVITY AND DISCHARGE CHAMBER MEANS ON THE DISCHARGE SIDE OF SAID EXIT GATE MEANS IN COMMUNICATION WITH SAID EXIT GATE MEANS, WHEREBY MOLTEN METAL INITIALLY DISCHARGED INTO SAID MOLD CAVITY PREHEATS SAID METAL PARTS, SAID ENTRANCE GATE MEANS BEING RELATIVELY DIMENSIONED TO CAUSE FLOW THROUGH SAID ENTRANCE GATE MEANS AT A GREATER RATE THAN DISCHARGE THROUGH SAID EXIT GATE MEANS, SAID DISCHARGE CHAMBER MEANS BEING CLOSED, WHEREBY WHEN SAID DISCHARGE CHAMBER MEANS IS FILLED WITH PREHEATING METAL, SAID METAL IN SAID DISCHARGE CHAMBER MEANS AUTOMATICALLY STOPS FLOW THROUGH SAID EXIT GATE MEANS.
References Cited (Backward Citations)
DE42492C
Cited
US729573A
Cited
US717840A
Cited
US1007005A
Cited
US825541A
Cited
US1119088A
Cited
US1446678A
Cited
US1607117A
Cited
US1533803A
Cited
US1542598A
Cited
US1534022A
Cited
GB351977A
Cited
US1938707A
Cited
US1892376A
Cited
US2294886A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |