Method and apparatus for producing a multifilament yarn by a spi

Details Method and apparatus for producing a multifilament yarn by a spi Method and apparatus for producing a multifilament yarn by a spi

1996-02-09

1997-09-02

Falik, Andy

Textiles: manufacturing

Thread finishing

Surface modification of running length

28245, 2642905, 2642108, 425 66, D01D 402, D01D 508, D01D 1002

Patent

active

056618808

ABSTRACT:
A method and apparatus for producing a multifilament yarn by a melt spinning-draw process, and which includes applying additional heat to the melt in the region of the spinneret. The relationship between the withdrawal speed and draw ratio may be changed, and with an adaptation of other process parameters, it is possible to increase productivity. The process may be applied to continuous and discontinuous processes.

REFERENCES:
patent: 3771307 (1973-11-01), Petrille
patent: 3772872 (1973-11-01), Piazza et al.
patent: 4185064 (1980-01-01), Schippers
patent: 4235000 (1980-11-01), Nikkel
patent: 4731217 (1988-03-01), Gerhartz et al.
patent: 4774042 (1988-09-01), Schippers
patent: 4863664 (1989-09-01), Burton
patent: 5408730 (1995-04-01), Yamamoto

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