Boots – shoes – and leggings – Boots and shoes – Occupational or athletic shoe
Patent
1988-04-29
1990-01-30
Meyers, Steven N.
Boots, shoes, and leggings
Boots and shoes
Occupational or athletic shoe
36 12, 12142RS, A43B 312, A43B 1332
Patent
active
048964409
ABSTRACT:
An improved composite polymeric leisure shoe having the upper portion of a shoe sole bonded to the lower surface of the shoe upper-insole using a non-visible porous interlayer (preferably a loosely woven fabric) and one or more adhesives. The bonding between the different synthetic polymeric surfaces of shoe upper-insole and the shoe sole is improved, and does not separate with normal use. A method of manufacture of the composite polymeric leisure shoe comprises applying an adhesive to both surfaces of the interlayer, placing the suitable adhesive side of the interlayer on the superior surface of the front part of a shoe upper-insole mold, bonding the interlayer to the lower surface of the shoe upper-insole by injection molding, applying the same or second adhesive to the lower interlayer surface of the shoe upper-insole and to the top surface of a shoe sole, and forming the leisure shoe by contacting the adhesive-coated surfaces of the shoe parts using suitable pressure. An additional method of manufacture of the composite polymeric leisure shoe comprises applying an adhesive to both sides of an interlayer and to the top surface of a shoe sole, placing the shoe sole with the interlayer on its top surface on the interior top surface of the front part of a shoe upper-insole mold, and heat injecting molding and forming in place the shoe upper-insole and completing the formation of the composite leisure shoe.
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