US3928110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film bonding using a solvent saturated cloth wick
Assignee: Goodyear Tire and Rubber Co
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Filing: 1974-03-11
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Granted: 1975-12-23
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Expires: 1994-03-11
Abstract
Abstract This invention relates to a method for the bonding of films comprising saturating a piece of fabric with a solvent capable of rapid interpenetration of the film surface, placing the fabric containing the solvent between the edges of two film sheets, applying pressure and drying the laminate to complete the bond.
Inventors
- 👤 Richard J Arconti
- 👤 Robert M Pierson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:03
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/48; B29C65/4895; B32; B32B; B32B27/00; B32B27/12; B29C65/50; B29C65/5057; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/71; B32B27/30; B32B27/304; B32B27/36; B32B37/00; B32B37/10; B32B37/1018; C; C08; C08J; C08J5/00; C08J5/12; C08J5/122; C09; C09J; C09J5/00; C09J5/10; B29C65/5007; B29C65/5028; B32B2305/00; B32B2305/10; B32B2305/18; B32B2305/188; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786; Y10T428/31855; Y10T428/31909; Y10T428/31928
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
76 words
IN A METHOD FOR BONDING FILM SELECTED FROM POLYVINYLCHLORIDE AND POLYESTERS, USING A SOLVENT, THE IMPROVEMENT WHICH COMPRISES: A. SATURATING A CLOTH WICK WITH A SOLVENT CAPABLE OF RAPID INTERPENETRATION OF THE FILM SURFACE, B. PLACING THE SATURATED WICK BETWEEN OVERLAPPING EDGES OF THE FILM, AND C. APPLYING PRESSURE UNTIL THE BOND FORMS, WHERE SAID CLOTH WICK IS POLYVINYLCHLORIDE WHEN SAID FILM IS POLYVINYLCHLORIDE, AND WHERE SAID CLOTH WICK IS POLYESTER WHEN SAID FILM IS POLYESTER.
Claim 2
Dependent Claim
76 words
IN A METHOD FOR BONDING FILM SELECTED FROM POLYVINYLCHLORIDE AND POLYESTERS, USING A SOLVENT, THE IMPROVEMENT WHICH COMPRISES: A. SATURATING A CLOTH WICK WITH A SOLVENT CAPABLE OF RAPID INTERPENETRATION OF THE FILM SURFACE, B. PLACING THE SATURATED WICK BETWEEN OVERLAPPING EDGES OF THE FILM, AND C. APPLYING PRESSURE UNTIL THE BOND FORMS, WHERE SAID CLOTH WICK IS POLYVINYLCHLORIDE WHEN SAID FILM IS POLYVINYLCHLORIDE, AND WHERE SAID CLOTH WICK IS POLYESTER WHEN SAID FILM IS POLYESTER.
Claim 3
Dependent Claim
44 words
The method of claim 1 where, when said film is polyvinylchloride, said solvent is selected from tetrahydrofuran, methyl ethyl ketone, diethyl ketone, acetone and methyl propyl ketone, and where, when said film is polyester, said solvent is selected from hexafluoroisopropanol, methylene dichloride and hexafluoroacetonesesquihydrate.
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) | 1978-12-22 | 1979-06-23 | 1979-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-22 | 1983-06-23 | 1983-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-22 | 1987-06-23 | 1987-12-23 | $7700.00 | Window Closed / Lapsed |