US3597292A
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Process for effecting a bond between synthetic resin fiber fabrics and an apparatus therefor
Assignee: SHIGEKZU TAKEDA
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Filing: 1967-06-28
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Granted: 1971-08-03
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Expires: 1987-06-28
Abstract
Abstract A PROCESS FOR BINDING THE OPPOSING BRIM PORTIONS OF A THERMOPLASTIC RESIN FIBER FABRIC TO MAKE THE FABRIC INTO A CYLINDRICAL ONE WHICH WILL SUBSEQUENTLY BE USED MAINLY FOR THE PREPARATION OF BAGS THEREFROM, OR THE BRIM PORTIONS OF TWO OR MORE OF THE FABRICS TO MAKE A SINGLE LAYER FABRIC OF THE ORIGINAL ONES, CHARACTERIZED IN THAT THE BONDING IS EFFECED BY USING AS A BINDER THE SAME RESIN IN A MOLTEN STATE AS THE FABRIC AND THE ASSEMBLY IS IMMEDIATELY COOLED, WHILE PRESSING THE BRIM POSITIONS TOGETHER. THE APPARATUS COMRPISES FEEDMEANS FOR THE MOLTEN BINDER, COOLINGMEANS AND MEANS FOR PRESSING THE BRIM PORTION TOGETHER.
Inventors
- 👤 Shigekazu Takeda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:35
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/4322; B29C53/00; B29C53/36; B29C53/38; B29C53/48; B29C53/50; B29C65/00; B29C65/02; B29C65/40; B29C65/42; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/70; B29C66/71; B29C66/72; B29C66/729; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83411; B29C66/83413; B29C65/425; B29C66/723; B29L; B29L2031/00; B29L2031/712; B29L2031/7128; B31; B31B; B31B2150/00; B31B2150/003; B31B2160/00; B31B2160/10; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/1013; Y10T156/1036; Y10T156/1038; Y10T156/1052; Y10T156/1084; Y10T156/1085; Y10T156/12; Y10T156/1348; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1362
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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |