Plastic and nonmetallic article shaping or treating: processes – With twining – plying – braiding – or textile fabric formation
Patent
1974-03-12
1977-05-03
Woo, Jay H.
Plastic and nonmetallic article shaping or treating: processes
With twining, plying, braiding, or textile fabric formation
19 37, 264138, 264151, 264167, 264290T, D01G 100
Patent
active
040215202
ABSTRACT:
A process is provided for the manufacture of filament yarns having fine protruding filament ends, which comprises subjecting filament yarns, wherein at least part of the filaments consist of polymers the lateral bending resistance (Knickscheuerbestandigkeit) of which can be thermally influenced, to an intermittent sectional treatment, thus ensuring that determined sections of the filaments have a low lateral bending resistance, and by subsequently breaking these sections of low lateral bending resistance by transverse stress, which causes formation of the desired free filament ends.
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Heinrich Karl
Schneider Fritz
Hoechst Aktiengesellschaft
Woo Jay H.
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