US3575760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for joining fabric to fabric using an adhesive thread
Assignee: Bondit Corp
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Filing: 1967-07-17
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Granted: 1971-04-20
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Expires: 1987-07-17
Abstract
Abstract A METHOD FOR JOINING SHEET MATERIAL IS DISCLOSED IN WHICH THE MATERIAL TO BE JOINED IS FED FROM SUPPLY ROLLS, A DRY MONOFILAMENT ADHESIVE IS INTERFED BETWEEN THE MATERIALS IN THE AREA THEROF TO BE JOINED, THE MATERIAL AND THE INTERFED ADHESIVE IS THEN CONCURRENTLY COMPRESSED AND SUBJECTED TO RADIO FREQUENCY HEATING ENERGY WHEREBY THE ADHESIVE MELTS AND COVERS THE SHEET AREAS TO BE JOINED. THE ADHESIVE HARDENS AS THE MATERIALS ADVANCES BEYOND THE VICINITY OF THE RADIO FREQUENCY FIELD AND IS REWOUND ON A TAKE-UP ROLL.
Inventors
- 👤 Milton Goldstein
- 👤 George R Hair
- 👤 Jack Kutzenco
- 👤 Jacques J Marchand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:27
CPC Classifications
D; D06; D06M; D06M23/00; D06M23/16; D06M23/18; B; B29; B29C; B29C65/00; B29C65/02; B29C65/04; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C65/486; B29C65/50; B29C65/5007; B29C65/5035; B29C65/5057; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/72; B29C66/729; B29C66/80; B29C66/82; B29C66/824; B29C66/8242; B29C66/83; B29C66/834; B29C66/8341; B29C66/83421; B29C66/83423; B29C66/90; B29C66/92; B29C66/924; B29C66/9261; B29C66/92611; B29C65/5092; B29C66/81; B29C66/812; B29C66/8122; B29C66/822; B29C66/8223; B29L; B29L2009/00
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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |