PROCESS FOR LASTING SHOE PARTS

This invention provides a shoe stiffener such as a box toe or counter stiffener which retains its stiffness when contacted with leather tanning oils. The stiffener comprises a textile base containing between 67 and 80 weight percent of a styrene-acrylonitrile copolymer which copolymer contains betwe...

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Bibliographic Details
Main Authors CLOSSON A,US, MORSE R,US
Format Patent
LanguageEnglish
Published 09.04.1974
Subjects
CHARACTERISTIC FEATURES OF FOOTWEAR
FOOTWEAR
HUMAN NECESSITIES
MACHINES, TOOLS, EQUIPMENT OR METHODS FOR MANUFACTURING ORREPAIRING FOOTWEAR
PARTS OF FOOTWEAR
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Summary:This invention provides a shoe stiffener such as a box toe or counter stiffener which retains its stiffness when contacted with leather tanning oils. The stiffener comprises a textile base containing between 67 and 80 weight percent of a styrene-acrylonitrile copolymer which copolymer contains between 20 and 40 weight percent acrylonitrile.
Bibliography:Application Number: US19730322082