Patent US3035339A successfully refreshed from Google Patents.
US3035339A
Expired / Lapsed
US
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Method of soldering and flux therefor
Assignee: Motors Liquidation Co
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Filing: 1957-08-12
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Granted: 1962-05-22
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Expires: 1977-08-12
Abstract
No abstract record available.
Inventors
- 👤 Robert C Matter
- 👤 Ira T Landon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:13
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3612; B23K35/3615
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
77 words
A COMPOSITION OF MATTER SUITABLE FOR USE AS A SOLDERING FLUX CONSISTING ESSENTIALLY OF, A COMPONENT CONSISTING OF A CARRIER CONTAINING A HYDROZINE HYDROHALIDE SELECTED FROM THE GROUP CONSISTING OF HYDRAZINE DIHYDROCHLORIDE AND HYDRAZINE DIHYDROBROMIDE TOGETHER WITH AT LEAST EQUAL QUANTITIES BY WEIGHT OF A HIGH MELTING POINT MATERIAL CONSISTING OF AN ALCOHOL SOLUBLE NYLONTYPE POLYAMIDE IN QUANTITIES OF FROM ABOUT 1 TO 21/2 TIMES BY WEIGHT OF THE HYDRAZINE HYDROHALIDE USED AND ALCOHOL AS A SOLVENT.
Claim 2
Dependent Claim
77 words
A COMPOSITION OF MATTER SUITABLE FOR USE AS A SOLDERING FLUX CONSISTING ESSENTIALLY OF, A COMPONENT CONSISTING OF A CARRIER CONTAINING A HYDROZINE HYDROHALIDE SELECTED FROM THE GROUP CONSISTING OF HYDRAZINE DIHYDROCHLORIDE AND HYDRAZINE DIHYDROBROMIDE TOGETHER WITH AT LEAST EQUAL QUANTITIES BY WEIGHT OF A HIGH MELTING POINT MATERIAL CONSISTING OF AN ALCOHOL SOLUBLE NYLONTYPE POLYAMIDE IN QUANTITIES OF FROM ABOUT 1 TO 21/2 TIMES BY WEIGHT OF THE HYDRAZINE HYDROHALIDE USED AND ALCOHOL AS A SOLVENT.
Claim 3
Dependent Claim
116 words
IN A METHOD OF JOINING METAL PARTS TO ANOTHER BY MEANS OF A SOFT SOLDERED JOINT, THE STEPS OF; APPLYING THE FLOWABLE FLUX COMPOSITION DEFINED IN CLAIM 4 TO THE SURFACE OF AT LEAST ONE METAL, EVAPORATING THE ALCOHOL THEREFROM FOR MAINTAINING THE HYDRAZINE SALT IN POSITION ON THE PART TO WHICH IT IS APPLIED BY MEANS OF THE SOLIDIFIED POLYAMIDE, HOLDING THE PART IN TIGHT RELATION TO THE OTHER PARTS TO BE JOINED THERETO, HEATING THE TWO PARTS TO A TEMPERATURE SUFFICIENT TO DECOMPOSE THE FLUX, SUBSTANTIALLY SIMULTANEOUSLY APPLYING MOLTEN SOLDER TO THE FLUXED SURFACE AND, UPON SOLDER WETS AND ADHERS TO THE FLUXED SURFACE AND, UPON COOLING, PERMANENTLY FORMS A CLEAN AND CONTINUOUS JOINT.
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) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |