US3758356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding flexible plastic tubes to fabrics
Assignee: Angelica Corp
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Filing: 1971-02-11
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Granted: 1973-09-11
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Expires: 1991-02-11
Abstract
Abstract Flexible plastic tubing is bonded to open-mesh stretch fabric between heat- sealed plastic discs. Blocks on a fixed lower plate and blocks on a movable upper plate of a heat and pressure bonding machine have grooves between retractable pins for receiving the tubing. Retractable pins project upwardly from the blocks on opposite sides of the grooves in the bottom blocks and receive the two plastic discs with the fabric and the tubing positioned between the discs. The upper plate of the machine applies pressure and heat to cause the plastic discs to extrude together through the pores of the fabric to produce the bond
Inventors
- 👤 J Hardy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:25
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C66/00; B29C66/003; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/133; B29C66/50; B29C66/51; B29C66/53; B29C66/532; B29C66/5326; B29C66/70; B29C66/72; B29C66/729; B29C66/7292; B29C66/80; B29C66/81; B29C66/816; B29C66/8167; B29C66/83; B29C66/832; B29C66/8322; B29C65/50; B29C66/818; B29C66/82; B29C66/824; B29C66/8242; B29C66/83221; B29K; B29K2313/00; B29L; B29L2023/00; B29L2023/005; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1005; Y10T156/1028; Y10T156/103
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) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |