US3640556A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tab welded joint and method of making
Assignee: Individual
•
Filing: 1969-08-22
•
Granted: 1972-02-08
•
Expires: 1989-08-22
Abstract
Abstract A welded joint comprising overlapped strips of metal with tabs formed by piercing or lancing through the overlapped portion. The formed tabs are flattened against the metal and resistance spot welded to such metal. The resistance welding forms a metallurgical bond between the metal members.
Inventors
- 👤 Moreland P Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:19
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49908; Y10T29/49915; Y10T29/49922
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
64 words
A welded metal joint between a metal foil member and at least one metal strip member, said metal members having portions in overlapped spatial contacting relation comprising; a plurality of tabs, each of said plurality of tabs having superposed material of said metal members and being bent together over the uppermost metal member, said plurality of tabs being welded to said uppermost metal member.
Claim 2
Dependent Claim
64 words
A welded metal joint between a metal foil member and at least one metal strip member, said metal members having portions in overlapped spatial contacting relation comprising; a plurality of tabs, each of said plurality of tabs having superposed material of said metal members and being bent together over the uppermost metal member, said plurality of tabs being welded to said uppermost metal member.
Claim 3
Dependent Claim
26 words
A welded metal joint as claimed in claim 1 which said foil is coated with insulation, said insulation burned off below said plurality of welded tabs.
Claim 4
Dependent Claim
28 words
A welded metal joint as claimed in claim 1 in which a pair of metal strips are provided, one metal strIp on each side of said metal foil.
Claim 5
Dependent Claim
22 words
A welded metal joint as claimed in claim 1 in which said metal foil is aluminum and said metal strip is copper.
Claim 6
Dependent Claim
24 words
A welded metal joint as claimed in claim 3 in which said metal foil is aluminum and said pair of metal strips are copper.
Claim 7
Dependent Claim
15 words
A welded joint as claimed in claim 5 in which said copper is tin plated.
References Cited (Backward Citations)
US2149844A
Cited
US2190621A
Cited
US2814810A
Cited
US3278880A
Cited
US3247316A
Cited
US3281923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-07 | 1975-08-09 | 1976-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-07 | 1979-08-09 | 1980-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-07 | 1983-08-09 | 1984-02-08 | $7700.00 | Window Closed / Lapsed |