Textiles: manufacturing – Thread finishing – Surface modification of running length
Patent
1982-09-23
1985-04-02
Schroeder, Werner H.
Textiles: manufacturing
Thread finishing
Surface modification of running length
28281, 198503, D02G 120
Patent
active
045078327
ABSTRACT:
A method and apparatus for the continuous heat treatment of a carpet yarn or the like is disclosed, and wherein the yarn is advanced in loop form through a heat treatment chamber and then along a downstream accumulation zone. A control system is provided for insuring that all portions of the yarn remain in the heat treatment chamber for a predetermined residence time, and such that all portions of the yarn will possess uniform properties and appearance in a finished carpet. The control system continuously monitors the number of loops of yarn in the apparatus, and in the event that the number of loops either exceeds a predetermined maximum or is less than a predetermined minimum, a yarn severing mechanism located upstream of the heating chamber is actuated. By appropriate selection of the maximum and minimum numbers, all of the yarn downstream of the severing mechanism will be able to pass through the heating chamber in the predetermined residence time, and thus no off-standard yarn will be produced.
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Stahlecker Peter H.
Steiner Erwin
Falik Andrew M.
Schroeder Werner H.
Technology Consulting Corporation
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