US3871933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the industrial manufacture of fabrics, strips or ribbons and the so manufactured products
Assignee: Velcro Industries BV
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Filing: 1970-02-16
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Granted: 1975-03-18
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Expires: 1990-02-16
Abstract
Abstract The invention relates to a process and a device for making piled strips or ribbons starting from thermoplastic fabrics, strips or ribbons of great width, said process comprising a pile levelling, heating, pressing and cutting operations by which the pile is locally heated to the softening temperature and is driven back into the free spaces of the underlying substructure.
Inventors
- 👤 Brabander Jean De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:21
CPC Classifications
D; D03; D03D; D03D47/00; D03D47/40; D03D47/50; D03J; D03J1/00; D03J1/06; D03J1/08; D06; D06H; D06H7/00; D06H7/04; D06H7/045; D06H7/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A process of producing ribbons from a relatively large sheet of fabric susceptible to raveling when cut and consisting of a structure with interstices covered by piles made of a thermoplastic material, said process comprising the steps of heating the piles of surfaces intended to form marginal edges of said ribbons to a temperature at which said piles are in a softened state and pressing the thus softened piles in the interstices of said structure.
Claim 2
Dependent Claim
75 words
A process of producing ribbons from a relatively large sheet of fabric susceptible to raveling when cut and consisting of a structure with interstices covered by piles made of a thermoplastic material, said process comprising the steps of heating the piles of surfaces intended to form marginal edges of said ribbons to a temperature at which said piles are in a softened state and pressing the thus softened piles in the interstices of said structure.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-17 | 1978-09-16 | 1979-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-17 | 1982-09-16 | 1983-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-17 | 1986-09-16 | 1987-03-18 | $7700.00 | Window Closed / Lapsed |