Patent US3976240A successfully refreshed from Google Patents.
US3976240A
Expired / Lapsed
US
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Apparatus for applying contacts
Assignee: FCI Americas Technology LLC
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Filing: 1975-06-23
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Granted: 1976-08-24
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Expires: 1995-06-23
Abstract
Abstract An apparatus is provided for applying gold contacts to a metal member comprising an ultrasonic welding unit, a welding zone for receiving and superposing the foil element and metal member, a stripping plate disposed in the welding zone between the element and the member having an opening therein for superposing and welding the element and member. The gold foil element is welded to the metal member and the stripping plate separates the unwelded portion of the gold foil from the welded portion to leave the welded portion of the gold foil attached to the metal member.
Inventors
- 👤 Robert Michael Matrisian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:09
CPC Classifications
H; H01; H01H; H01H11/00; H01H11/04; H01H11/041; B; B23; B23K; B23K20/00; B23K20/10; H01R; H01R43/00; H01R43/02; H01R43/0207; H01H9/00; H01H2009/0077
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
112 words
An apparatus for attaching a foil element to a member comprising, a plate floatingly disposed in a welding zone for receiving a foil element and a member on opposite sides of the plate, said plate having an opening therein for superposing an interior portion of the foil element with the member, means for welding a selected portion of the foil element to the member in said welding zone through the opening in said plate, and means for advancing the foil element and the member from the welding zone thereby stripping the unwelded portion of the foil element against the opening in said plate to leave the welded portion attached to the member.
Claim 2
Independent Claim
112 words
An apparatus for attaching a foil element to a member comprising, a plate floatingly disposed in a welding zone for receiving a foil element and a member on opposite sides of the plate, said plate having an opening therein for superposing an interior portion of the foil element with the member, means for welding a selected portion of the foil element to the member in said welding zone through the opening in said plate, and means for advancing the foil element and the member from the welding zone thereby stripping the unwelded portion of the foil element against the opening in said plate to leave the welded portion attached to the member.
Claim 3
Dependent Claim
22 words
An apparatus, according to claim 1, wherein said means for welding comprises an ultrasonic welding unit having a recessed circular welding tip.
Claim 4
Dependent Claim
27 words
An apparatus as recited in claim 1, additionally including a spring loaded weld backing plate for urging the foil element and the member against said welding tip.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-24 | 1980-02-23 | 1980-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-24 | 1984-02-23 | 1984-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-24 | 1988-02-23 | 1988-08-24 | $7700.00 | Window Closed / Lapsed |