US3074158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flux composition and method of using same to solder aluminum
Assignee: Kaiser Aluminum and Chemical Corp
•
Filing: 1955-03-15
•
Granted: 1963-01-22
•
Expires: 1975-03-15
Abstract
No abstract record available.
Inventors
- 👤 Walter D Finnegan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:39
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/3601; B23K35/3603; B23K35/02; B23K35/0222; B23K35/0244; B23K35/025; B23K35/24; B23K35/28; B23K35/286
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
167 words
A SOLDERING FLUX CONSISTING ESSENTIALLY OF (A) A CHLORIDE SELECTED FROM THE GROUP CONSISTING OF ZINC CHLORIDE, CADIUM CHLORIDE AND TIN CHLORIDE, SAID CHLORIDE BEING PRESENT IN AN AMOUNT STOICHIOMETRICALLY EQUIVALENT TO 6 TO 9 PARTS BY WEIGHT OF ZINC CHLORIDE, (B) 1 TO 4 PARTS BY WEIGHT OF AMMONIUM CHLORIDE, AND (C) AT LEAST ONE HALIDE SELECTED FROM THE GROUP CONSISTING OF AMMONIUM BROMIDE, AMMONIUM IODIDE AND AMMONIUM FLUORIDE, SAID HALIDE BEING PRESENT IN AN AMOUNT STOICHIOMETRICALLY EQUIVALENT TO 0.1 TO 1.5 PARTS BY WEIGHT OF AMMONIUM BROMIDE, AND (D) A SUITABLE SOLVENT HAVING THE FOLLOWING PROPERTIES (1) SAID SOLVENT MUST DISSOLVE SUFFICIENT FLUX SALTS TO PROPERTY COAT THE METAL TO BE SOLDERED UPON EVAPORATION OF SAID SOLVENT, (2) SAID SOLVENT MUST NOT REACT WITH THE SURFACE OF THE METAL TO BE SOLDERED ON SUCH A MANNER AS TO INTERFERE WITH THE SOLDERING ACTION, AND (3) SAID SOLVENT MUST NOT REACT WITH THE FLUX SALTS IN SUCH A MANNER AS TO INTERFERE WITH THE SOLDERING ACTION.
Claim 2
Dependent Claim
167 words
A SOLDERING FLUX CONSISTING ESSENTIALLY OF (A) A CHLORIDE SELECTED FROM THE GROUP CONSISTING OF ZINC CHLORIDE, CADIUM CHLORIDE AND TIN CHLORIDE, SAID CHLORIDE BEING PRESENT IN AN AMOUNT STOICHIOMETRICALLY EQUIVALENT TO 6 TO 9 PARTS BY WEIGHT OF ZINC CHLORIDE, (B) 1 TO 4 PARTS BY WEIGHT OF AMMONIUM CHLORIDE, AND (C) AT LEAST ONE HALIDE SELECTED FROM THE GROUP CONSISTING OF AMMONIUM BROMIDE, AMMONIUM IODIDE AND AMMONIUM FLUORIDE, SAID HALIDE BEING PRESENT IN AN AMOUNT STOICHIOMETRICALLY EQUIVALENT TO 0.1 TO 1.5 PARTS BY WEIGHT OF AMMONIUM BROMIDE, AND (D) A SUITABLE SOLVENT HAVING THE FOLLOWING PROPERTIES (1) SAID SOLVENT MUST DISSOLVE SUFFICIENT FLUX SALTS TO PROPERTY COAT THE METAL TO BE SOLDERED UPON EVAPORATION OF SAID SOLVENT, (2) SAID SOLVENT MUST NOT REACT WITH THE SURFACE OF THE METAL TO BE SOLDERED ON SUCH A MANNER AS TO INTERFERE WITH THE SOLDERING ACTION, AND (3) SAID SOLVENT MUST NOT REACT WITH THE FLUX SALTS IN SUCH A MANNER AS TO INTERFERE WITH THE SOLDERING ACTION.
Claim 3
Independent Claim
218 words
A METHOD OF SOLDERING STRANDED ALUMINIUM CABLE WHICH COMPRISES THE STEPS OF DIPPING THE END OF SAID CABLE IN A SOLDERING FLUX CONSISTING ESSENTIALLY OF (A) A CHLORIDE SELECTED FROM THE GROUP CONSISTING OF ZINC CHLORIDE, CADIUM CHLORIDE AND TIN CHLORIDE, SAID CHLORIDE BEING PRESENT IN AN AMOUNT STOICHIOMETRICALLY EQUIVALENT TO 6 TO 9 PARTS BY WEIGHT OF ZINC CHLORIDE, (B) 1 TO 4 PARTS BY WEIGHT OF AMMONIUM CHLORIDE, AND (C) AT LEAST ONE HALIDE SELECTED FROM THE GROUP CONSISTING OF AMMONIUM BROMIDE, AMMONIUM IODIDE AND AMMONIUM FLUORIDE, SAID HALIDE BEING PRESENT IN AN AMOUNT STOICHIOMETRICALLY EQUIVALENT TO 0.1 TO 1.5 PARTS BY WEIGHT OF AMMONIUM BROMIDE, AND (D) A SUITABLE SOLVENT HAVING THE FOLLOWING PROPERTIES (1) SAID SOLVENT MUST DISSOLVE SUFFICIENT FLUX SALTS TO PROPERLY COAT THE METAL TO BE SOLDERED UPON EVAPORATION OF SAID SOLVENT, (2) SAID SOLVENT MUST NOT REACT WITH THE SURFACE OF THE METAL TO BE SOLDERED IN SUCH A MANNER AS TO INTERFERE WITH THE SOLDERING ACTION, AND (3) SAID SOLVENT MUST NOT REACT WITH THE FLUX SALTS IN SUCH A MANNER AS TO INTERFERE WITH THE SOLDERING ACTION, REMOVING SAID CABLE END FROM SAID SOLDERING FLUX AND IMMERSING IT IN A MOLTEN SOLDER BATH FOLLOWED BY JOINING THE CABLE END TO THE OBJECT TO WHICH IT IS TO BE SOLDERED.
Claim 4
Independent Claim
218 words
A METHOD OF SOLDERING STRANDED ALUMINIUM CABLE WHICH COMPRISES THE STEPS OF DIPPING THE END OF SAID CABLE IN A SOLDERING FLUX CONSISTING ESSENTIALLY OF (A) A CHLORIDE SELECTED FROM THE GROUP CONSISTING OF ZINC CHLORIDE, CADIUM CHLORIDE AND TIN CHLORIDE, SAID CHLORIDE BEING PRESENT IN AN AMOUNT STOICHIOMETRICALLY EQUIVALENT TO 6 TO 9 PARTS BY WEIGHT OF ZINC CHLORIDE, (B) 1 TO 4 PARTS BY WEIGHT OF AMMONIUM CHLORIDE, AND (C) AT LEAST ONE HALIDE SELECTED FROM THE GROUP CONSISTING OF AMMONIUM BROMIDE, AMMONIUM IODIDE AND AMMONIUM FLUORIDE, SAID HALIDE BEING PRESENT IN AN AMOUNT STOICHIOMETRICALLY EQUIVALENT TO 0.1 TO 1.5 PARTS BY WEIGHT OF AMMONIUM BROMIDE, AND (D) A SUITABLE SOLVENT HAVING THE FOLLOWING PROPERTIES (1) SAID SOLVENT MUST DISSOLVE SUFFICIENT FLUX SALTS TO PROPERLY COAT THE METAL TO BE SOLDERED UPON EVAPORATION OF SAID SOLVENT, (2) SAID SOLVENT MUST NOT REACT WITH THE SURFACE OF THE METAL TO BE SOLDERED IN SUCH A MANNER AS TO INTERFERE WITH THE SOLDERING ACTION, AND (3) SAID SOLVENT MUST NOT REACT WITH THE FLUX SALTS IN SUCH A MANNER AS TO INTERFERE WITH THE SOLDERING ACTION, REMOVING SAID CABLE END FROM SAID SOLDERING FLUX AND IMMERSING IT IN A MOLTEN SOLDER BATH FOLLOWED BY JOINING THE CABLE END TO THE OBJECT TO WHICH IT IS TO BE SOLDERED.
References Cited (Backward Citations)
US1914269A
Cited
US1744784A
Cited
GB315010A
Cited
GB316196A
Cited
US1960239A
Cited
GB413141A
Cited
GB472582A
Cited
US2179258A
Cited
GB642869A
Cited
US2379234A
Cited
US2505627A
Cited
US2548690A
Cited
US2781577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |