Yarn heating apparatus and method

Details Yarn heating apparatus and method Yarn heating apparatus and method

1986-03-05

1987-07-21

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34156, 34155, 34 41, F26B 1302

Patent

active

046808728

ABSTRACT:
A yarn heating apparatus and method is disclosed which is adapted for the continuous heat treatment of a running synthetic yarn in a yarn false twist texturizing machine or the like. The apparatus includes a yarn guide tube through which the running yarn is conducted, and a surrounding heater box is provided for heating the exterior of the yarn guide tube so as to heat the running yarn as it is conducted therethrough. Also, air supply means is provided for positively introducing outside ambient air into the yarn guide tube adjacent the entry end thereof, and such that turbulence is produced in the air as it moves through the yarn guide tube to thereby improve heat transfer between the tube and the running yarn.

REFERENCES:
patent: 2708843 (1955-05-01), Gibson et al.
patent: 3298430 (1967-01-01), Kodaira
patent: 3606655 (1971-09-01), Oberlander et al.
patent: 3633256 (1972-01-01), Mallonee et al.
patent: 3883718 (1975-05-01), Ferment et al.
patent: 4001548 (1977-01-01), Bauer
patent: 4135511 (1979-01-01), Nikkel
patent: 4198835 (1980-04-01), Luthi
patent: 4226092 (1980-10-01), Luthi
patent: 4549361 (1985-10-01), Brough et al.

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