| 摘要 |
1,154,582. Coated shoe components. VIK SUPPLIES Ltd. 23 May, 1966 [26 May, 1965], No. 22352/65. Heading B2E [Also in Divisions A3, C6 and D1 A method of stiffening shoe components comprises feeding a web of thermoplastic polymer between a heated platen. 1 and sup-. port platen 3 of a press and consecutively feeding shoe components 11 between the: web and the support platen in synchronism with the operation of the press, said heated platen and/or said support platen bearing . projecting former 2 corresponding in shape to the shoe component or a portion thereof so that the thermoplastic polymer is transferred from the web to the shoe component and impregnated thereinto. The web may comprise a continuous or discontinuous film of the polymer cast on a carrier sheet or a particulate layer of the polymer supported on the carrier sheet, specified carrier sheets being of plastics material, paper, metal foil, bonded fibrous material or a woven fabric, the film preferably comprising two dissimilar layers, one of which is impregnated onto the component and the other of which forms a surface layer thereon. Alternatively the web may comprise a self-supporting film of the polymer. Specified shoe components are made of leather e.g. toe caps and woven or non- woven fabrics. Specified polymers are natural acid resins, hydrocarbon resins, coumaroneindene resins, polyamides, polyesters, polyethylene, polyvinyl acetate and copolymers of ethylene with vinyl acetate or alkyl acrylates, phenolic resins, epoxy resins and aminoplasts. |
