Patent US3330713A successfully refreshed from Google Patents.
US3330713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of coating textile fabrics
Assignee: Dunlop Rubber Co Ltd
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Filing: 1963-01-16
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Granted: 1967-07-11
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Expires: 1983-01-16
Abstract
No abstract record available.
Inventors
- 👤 Watson John William
- 👤 Spittle John Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:54
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10; D; D06; D06N; D06N3/00; D06N3/0086; D06N3/0095; D06N3/12; D06N3/14; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/109
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A METHOD OF COATING A TEXTILE FABRIC WHICH COMPRISES MIXING TOGETHER A PREPOLYMER FORMED BY REACTING A POLYETHER CONTAINING LINKATES OF THE CLASS COMPRISING ETHER LINKATES AND THIOETHER LINKATES WITH AN ALIPHATIC DIISOCYANATE, A CROSS-LINKING AGENT AND A CATALYST TO PROMOTE CROSS-LINKING OF THE POLYURETHANE COMPOSITION SO FORMED, EXTRUDING SAID POLYURETHANE COMPOSITION THROUGH AN ORIFICE ONTO A MOVING SHEET OF PAPER COATED WITH A LAYER OF WAX TO FORM A LAYER OF SAID PLYURETHANE COMPOSITION ON SAID LAYER OF WAX, EXPOSING SAID MOVING LAYER OF POLYURETHANE COMPOSITION TO INFRA-RED RADIATION TO EFFECT PARTIAL CURING OF SAID COMPOSITION, PASSING THE PARTIALLY CURED FILM SO OBTAINED INTO CAONTACT WITH A TEXTILE FABRIC TO BE COATED AND THROUGH THE NIP OF ROLLER SURFACES TO ATTACH SAID TEXTILE FABRIC TO THE SURFACE OF THE PARTIALLY CURED FILM, THEREAFTER EXPOSING THE PASSING ASSEMBLY SO FORMED TO INFRA-RED RADIATION TO COMPLETE THE CURE OF SAID FILM, AND PASSING SAID ASSEMBLY OVER A HEATED SURFACE WITH THE PAPER IN CONTACT WITH SAID SURFACE TO CAUSE THE WAX TO MELT AND RELEASE THE CURED FILM ATTACHED TO SAID TEXTILE FABRIC.
Claim 2
Independent Claim
182 words
A METHOD OF COATING A TEXTILE FABRIC WHICH COMPRISES MIXING TOGETHER A PREPOLYMER FORMED BY REACTING A POLYETHER CONTAINING LINKATES OF THE CLASS COMPRISING ETHER LINKATES AND THIOETHER LINKATES WITH AN ALIPHATIC DIISOCYANATE, A CROSS-LINKING AGENT AND A CATALYST TO PROMOTE CROSS-LINKING OF THE POLYURETHANE COMPOSITION SO FORMED, EXTRUDING SAID POLYURETHANE COMPOSITION THROUGH AN ORIFICE ONTO A MOVING SHEET OF PAPER COATED WITH A LAYER OF WAX TO FORM A LAYER OF SAID PLYURETHANE COMPOSITION ON SAID LAYER OF WAX, EXPOSING SAID MOVING LAYER OF POLYURETHANE COMPOSITION TO INFRA-RED RADIATION TO EFFECT PARTIAL CURING OF SAID COMPOSITION, PASSING THE PARTIALLY CURED FILM SO OBTAINED INTO CAONTACT WITH A TEXTILE FABRIC TO BE COATED AND THROUGH THE NIP OF ROLLER SURFACES TO ATTACH SAID TEXTILE FABRIC TO THE SURFACE OF THE PARTIALLY CURED FILM, THEREAFTER EXPOSING THE PASSING ASSEMBLY SO FORMED TO INFRA-RED RADIATION TO COMPLETE THE CURE OF SAID FILM, AND PASSING SAID ASSEMBLY OVER A HEATED SURFACE WITH THE PAPER IN CONTACT WITH SAID SURFACE TO CAUSE THE WAX TO MELT AND RELEASE THE CURED FILM ATTACHED TO SAID TEXTILE FABRIC.
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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) | 1970-07-10 | 1971-01-09 | 1971-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-10 | 1975-01-09 | 1975-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-10 | 1979-01-09 | 1979-07-11 | $7700.00 | Window Closed / Lapsed |