Apparatus for hot air bulking of synthetic yarn

Details Apparatus for hot air bulking of synthetic yarn Apparatus for hot air bulking of synthetic yarn

1987-09-04

1990-09-11

Schroeder, Werner H.

Textiles: manufacturing

Thread finishing

Surface modification of running length

D02J 102

Patent

active

049551175

ABSTRACT:
Synthetic yarn to be bulked and heat set is supplied to a plurality of ovens in coiled form and is subjected to an even hot flow of dry gaseous fluid to bulk and heat set the yarn as it passes successively through the bulking oven and the heat setting oven. Safety controls are provided to prevent damage to the yarn when the conveying system is shut down and the yarn is being conveyed through the system.

REFERENCES:
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patent: 3126556 (1964-03-01), Fleissner
patent: 3318013 (1967-05-01), Erb
patent: 3728076 (1973-04-01), Fleissner
patent: 3785017 (1974-01-01), Jacob et al.
patent: 3833975 (1974-09-01), Cahnman et al.
patent: 3835490 (1974-09-01), Fleissner
patent: 3943613 (1976-03-01), Schraud et al.
patent: 3965511 (1976-06-01), Fleissner
patent: 4077097 (1978-03-01), McNeill
patent: 4083091 (1978-04-01), McNeill
patent: 4169707 (1979-10-01), Gloeckler
patent: 4221031 (1980-09-01), Gilbos
patent: 4694526 (1987-09-01), Grafen et al.
PCT/FR85/00049, 09/1985, WO85/04198 28 281 4 25.

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