Apparatus for heat treating a synthetic yarn

Details Apparatus for heat treating a synthetic yarn Apparatus for heat treating a synthetic yarn

1991-02-04

1992-08-18

Stodola, Daniel P.

Textiles: spinning, twisting, and twining

Apparatus and processes

Twist setting

57290, D01H 746, D01H 142

Patent

active

051388294

ABSTRACT:
An apparatus for heat treating a synthetic yarn comprises a heater body for completely or partially encircling the synthetic yarn, which is being false twisted or being drawn and false twisted, in a condition non-contacting therewith, a heating member disposed in the heater body for heating the heating wall of the heater body at a high temperature, and yarn guides disposed in a yarn passage surrounded by the heating wall of the heater body. In a first embodiment, the heater body and the heating member are longitudinally divided into at least two sections. In a second embodiment, the yarn guides are provided with yarn guide heating members which are different from the heating member for heater body.

REFERENCES:
patent: 3506804 (1970-04-01), Schippers et al.
patent: 3559965 (1971-02-01), Ishida
patent: 3722462 (1973-03-01), Pohler et al.
patent: 3949544 (1976-04-01), Kitazawa et al.
patent: 4236323 (1980-12-01), Dammann et al.
patent: 4295033 (1981-10-01), Lindgren et al.
patent: 4534164 (1985-08-01), Toshimasa et al.
patent: 4567721 (1986-02-01), Kuroda et al.
patent: 4918914 (1990-04-01), Eaton

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