Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1994-08-16
2000-06-13
Copenheaver, Blaine
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428212, 428481, 4285371, 4285375, B32B 712
Patent
active
060747277
ABSTRACT:
The present invention relates to a novel composite adhesive used to adhere coating materials onto a substrate wherein the substrate material and the coating material have significantly different expansion properties, e.g., thermoplastic coating materials onto cellulose based substrate materials. The composite adhesive comprises both a rigid adhesive such as an epoxy or acrylic and a laminating adhesive such as a rubber based contact cement. In a preferred embodiment of the invention, the composite adhesive is used in preparing composite articles such as counters, sinks, furniture, profile edging, chemical resistant lab tops, showers, etc. In another preferred embodiment according to the invention, the rigid adhesive is applied over a narrow portion of the coating material, substrate, or both, preferably the exterior region of said material, and the laminating adhesive is applied over the remainder of the surface area to be adhered. By the techniques of the present invention, it is also possible to adhere together several individual articles of manufacture so as to create a virtually seamless appearance between the individual articles of manufacture.
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Research Disclosure--vol. 1991, No. 328, Havant GB, XP217923 Anonymously `High Initial Tack Composite Adhesive`; Aug. 1991.
Section 4 Application, Fabrication, and Installation from Decorative Laminates Article.
Recommended Application, Fabrication & Assembly, Technical Data, etc. from Formica Colorcore Brochure.
Fabricating With COLORCORE.RTM. Brand Surfacing Material from Formica Laminating Manual.
Miller Jeremy P.
Umamaheswaran Venkatakrishnan
Weiss Kurt A.
Wood Charlie W.
Copenheaver Blaine
General Electric Company
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