US2862294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Joining of metals
Assignee: Distillers Co Yeast Ltd
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Filing: 1954-11-05
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Granted: 1958-12-02
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Expires: 1974-11-05
Abstract
No abstract record available.
Inventors
- 👤 Philip Thomas Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:25
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/0026; B23K9/0035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A PROCESS FOR JOINING METALS, AT LEAST ONE OF WHICH AS IN THE FORM OF A THIN SHEET DISTORTABLE BY HEAT CONDUCTED FROM THE JOINT, BY FUSION WELDING WHCIH COMPRISES MOVING A FUSION WELDING MEANS ALONG THE JOINT BETWEEN SAID METALS TO EFFECT WELDING THEREOF AND SIMULTANEOUSLY COOLING AN AREA ADJACENT TO THAT BEING WELDED BY DELIVERING AT LEAST TO SAID THIN SHEET A STREAM OF CARBON DIOXIDE FROM AN ORIFICE TO WHICH LIQUID CARBON DIOXIDE IS SUP- SAID PLIED TO FORM A LAYER OF CARBON DIOXIDE SNOW ON SAID THIN SHEET ADJACENT THE JOINT, WHEREBY COOLING IS EFFECTED DUE TO SUBLIMATION OF SAID SNOW.
Claim 2
Dependent Claim
105 words
A PROCESS FOR JOINING METALS, AT LEAST ONE OF WHICH AS IN THE FORM OF A THIN SHEET DISTORTABLE BY HEAT CONDUCTED FROM THE JOINT, BY FUSION WELDING WHCIH COMPRISES MOVING A FUSION WELDING MEANS ALONG THE JOINT BETWEEN SAID METALS TO EFFECT WELDING THEREOF AND SIMULTANEOUSLY COOLING AN AREA ADJACENT TO THAT BEING WELDED BY DELIVERING AT LEAST TO SAID THIN SHEET A STREAM OF CARBON DIOXIDE FROM AN ORIFICE TO WHICH LIQUID CARBON DIOXIDE IS SUP- SAID PLIED TO FORM A LAYER OF CARBON DIOXIDE SNOW ON SAID THIN SHEET ADJACENT THE JOINT, WHEREBY COOLING IS EFFECTED DUE TO SUBLIMATION OF SAID SNOW.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |