Spinneret for manufacturing modified cross-section fibers with o

Details Spinneret for manufacturing modified cross-section fibers with o Spinneret for manufacturing modified cross-section fibers with o

1996-02-15

1998-03-24

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Means feeding fluent stock from plural sources to common...

Extrusion shaping means

425461, 264171, 26417213, 26417713, B29C 4712

Patent

active

057310106

ABSTRACT:
A spinneret for manufacturing modified cross-section fibers with optical function includes a middle spinneret for spinning an island portion, which has a base and an opening for extruding a melt polymer for forming an island portion. A partition device is mounted to the middle spinneret to partition the opening thereof, the partition device having an opening communicating with the opening of the middle spinneret which protrudes-from the base thereof.

REFERENCES:
patent: 3156607 (1964-11-01), Strachan
patent: 3226795 (1966-01-01), Swerdloff et al.
patent: 3249669 (1966-05-01), Jamieson
patent: 3344472 (1967-10-01), Kitajima et al.
patent: 3546328 (1970-12-01), Lodge et al.
patent: 3650659 (1972-03-01), Stapp
patent: 4343604 (1982-08-01), Minjolle
patent: 4687610 (1987-08-01), Vasilatos
patent: 4722819 (1988-02-01), Lundsager
patent: 5407738 (1995-04-01), Tabata et al.

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