Patent US3563822A successfully refreshed from Google Patents.
US3563822A
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Method for welding thermoplastic parts by sonic energy
Assignee: Branson Ultrasonics Corp
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Filing: 1968-07-03
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Granted: 1971-02-16
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Expires: 1988-07-03
Abstract
Abstract WELDING TWO SUPERPOSED THERMOPLASTIC MEMBERS IS ACCOMPLISHED BY PROVIDING A SONCICALLY OR ULTRASONICALLY VIBRATING HORN AND FORCING ITS FRONTAL SURFACE INTO ONE OF THE MEMBERS TOWARD THE INTERFACE BETWEEN BOTH MEMBERS. RESPONSIVE TO THE DISSIPATION OF SONIC ENERGY, THERMO- PLASTIC MATERIAL SOFTENS AND FLOWS AT THE INTERFACE, BONDING BOTH MEMBERS TOGETHER AT THE LOCATION OF HORN PENETRATION.
Inventors
- 👤 Stephen Fesh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:12
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81427; B29C66/81429; B29C65/00; B29C65/02; B29C65/08; B29C66/01; B29C66/05; B29C66/20; B29C66/21; B29C66/32; B29C66/326; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/81431; B29C66/83; B29C66/832; B29C66/8322; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/71; B29C66/81411; B29C66/81421; B29C66/81423
Claims Analysis
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References Cited (Backward Citations)
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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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |