Joining stiffening material to shoe upper using UHF field

Details Joining stiffening material to shoe upper using UHF field Joining stiffening material to shoe upper using UHF field

1974-11-14

1978-01-24

Powell, William A.

Boots, shoes, and leggings

Uppers

36 68, 12146D, 156272, 156273, 156306, 428244, 428261, 428290, A43B 2316, B29C 2704

Patent

active

040696022

ABSTRACT:
Formable or formed stiffening materials, especially for shoe capping, consisting of: at least one backing or layer of fibrous material and at least one thermoplastic synthetic resin, optionally containing fillers, plasticizers, dyes, pigments and/or stabilizers against light, heat and/or mechanical influences, which stiffening materials in a given case have an adhesive coating on one or both sides based on a thermoplastic synthetic resin, containing at least 3 parts of an active substance, e.g., carbon black, in 100 parts of thermoplastic synthetic resins.

REFERENCES:
patent: 2361527 (1944-10-01), Bacon
patent: 2569764 (1951-10-01), Jonas
patent: 2611195 (1952-09-01), Brophy et al.
patent: 2656622 (1953-10-01), Walsh
patent: 3234668 (1966-02-01), Radcliffe
patent: 3397418 (1968-08-01), Steadman et al.
patent: 3486967 (1969-12-01), Fisher
patent: 3528867 (1970-09-01), Leatherman et al.
patent: 3620875 (1971-11-01), Guglielmo, Sr. et al.
patent: 3657038 (1972-04-01), Lightfoot

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