Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1993-11-08
1996-10-29
Davis, Jenna L.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428346, 428350, 428354, 428355, C09J 702
Patent
active
055695272
ABSTRACT:
Adhesive system for forming a resilient boxtoe structure. The system includes a coated substrate and a solution having a pH greater than 7.0 for activating the coating. Upon activation, the coating becomes tacky, enabling it to adhere to the upper and lining portions of the shoe to form a boxtoe. The coating is an acid copolymer which retains its modulus upon activation and assures a strong bond between the upper and lining of the shoe. It is preferred that the solution be an aqueous solution including additives such as ammonia to assure a pH exceeding 7.0.
REFERENCES:
patent: 2078131 (1937-04-01), Ferguson
patent: 3849240 (1974-11-01), Mikulak
patent: 4278487 (1981-07-01), Hormanns
patent: 4621019 (1986-11-01), Vikesland
patent: 4853262 (1989-08-01), Horie
patent: 4942082 (1990-07-01), Murphy
patent: 5094912 (1992-03-01), Deibig
Gustav Hopfner, "Environmentally Safe Sole Attaching Adhesives", American Shoemaking, vol. 368, No. 6, Jun. 1994.
"Adhesives & Fasteners New Products", American Shoemaking, vol. 368, No. 6, Jun. 1994.
Caproni Roy H.
Van Remoortel Christopher J.
Waterhouse Judith A.
Bixby International Corporation
Davis Jenna L.
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