Patent US3733687A successfully refreshed from Google Patents.
US3733687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of soldering an aluminum metal to an aluminum or another metal
Assignee: Senju Metal Industry Co Ltd
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Filing: 1971-05-25
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Granted: 1973-05-22
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Expires: 1991-05-25
Abstract
Abstract A solder alloy and method for its use in soldering an aluminium metal consisting of: Al 0.5 - 4.5% by weight Cu 0.1 - 4% by weight Mg 0.005 - 0.08% by weight Ni 0 - 0.5% by weight Cr 0 - 0.5% by weight, and Zn balance.
Inventors
- 👤 J Tanaka
- 👤 T Taguchi
- 👤 Y Nishibori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:21
CPC Classifications
C; C22; C22C; C22C18/00; C22C18/04; B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/28; B23K35/282
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
16 words
The method of claim 1 wherein said soldering is carried out by means of ultrasonic soldering.
Claim 2
Dependent Claim
16 words
The method of claim 1 wherein said soldering is carried out by means of rub soldering.
Claim 3
Dependent Claim
30 words
The method of claim 1 wherein said aluminum or aluminum alloys are soldered to a metal selected from the group consisting of copper, brass, iron, stainless steel, nickel and chromium.
Claim 4
Dependent Claim
17 words
The method of claim 4 wherein the soldering operation is carried out by using a flux composition.
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) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |