US3068836A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for use in the fluid treatment of napped fabrics
Assignee: Pepperell Manufacturing Co
•
Filing: 1961-03-21
•
Granted: 1962-12-18
•
Expires: 1981-03-21
Abstract
No abstract record available.
Inventors
- 👤 Francis T Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:55
CPC Classifications
D; D06; D06B; D06B21/00; D06C; D06C29/00; D06C2700/00; D06C2700/29
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
APPARATUS FOR USE IN SHED-PROOFING A PREVIOUSLY NAPPED TEXTILE FABRIC BY THE APPLICATION THERETO OF A COATING MATERIAL, IN LIQUID FORM, WHICH COATS THE NAP FIBERS WITHOUT MODIFYING THE CHEMICAL OR PHYSICAL CHARACTERISTICS OF THE LATTER, SAID APPARATUS COMPRISING, IN COMBINATION WITH A TENTERING FRAME, HAVING ELEMENTS OPERATIVE, BY ENGAGEMENT WITH THE OPPOSITE MARGINS OF THE FABRICS, TO HOLD THE LATTER UNDER TRANSVERSE TENSION WHILE TRAVERSING THE FABRIC THROUGH A HEATING ZONE AND WHILE DRAWING IT OFF UNDER LONGITUDINAL TENSION FROM A SOURCE OF SUPPLY, MEANS OPERATIVE TO DIRECT SPRAYS OF THE COATING MATERIAL IN LIQUID FORM, AGAINST THE OPPOSITE NAPPED FACES, RESPECTIVELY, OF THE DRY, PREVIOUSLY NAPPED FABRIC AS THE LATTER IS DRAWN ALONG, TREATING ROLLS WHICH CONTACT OPPOSITE FACES, RESPECTIVELY, OF THE FABRIC, AFTER IT HAS BEEN WETTED SOLELY BY THE SPRAYED ON LIQUID AND BEFORE IT
Claim 2
Dependent Claim
139 words
APPARATUS FOR USE IN SHED-PROOFING A PREVIOUSLY NAPPED TEXTILE FABRIC BY THE APPLICATION THERETO OF A COATING MATERIAL, IN LIQUID FORM, WHICH COATS THE NAP FIBERS WITHOUT MODIFYING THE CHEMICAL OR PHYSICAL CHARACTERISTICS OF THE LATTER, SAID APPARATUS COMPRISING, IN COMBINATION WITH A TENTERING FRAME, HAVING ELEMENTS OPERATIVE, BY ENGAGEMENT WITH THE OPPOSITE MARGINS OF THE FABRICS, TO HOLD THE LATTER UNDER TRANSVERSE TENSION WHILE TRAVERSING THE FABRIC THROUGH A HEATING ZONE AND WHILE DRAWING IT OFF UNDER LONGITUDINAL TENSION FROM A SOURCE OF SUPPLY, MEANS OPERATIVE TO DIRECT SPRAYS OF THE COATING MATERIAL IN LIQUID FORM, AGAINST THE OPPOSITE NAPPED FACES, RESPECTIVELY, OF THE DRY, PREVIOUSLY NAPPED FABRIC AS THE LATTER IS DRAWN ALONG, TREATING ROLLS WHICH CONTACT OPPOSITE FACES, RESPECTIVELY, OF THE FABRIC, AFTER IT HAS BEEN WETTED SOLELY BY THE SPRAYED ON LIQUID AND BEFORE IT
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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) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |