Process for producing self-crimping polyester yarn

Details Process for producing self-crimping polyester yarn Process for producing self-crimping polyester yarn

1986-12-15

1988-01-19

Silbaugh, Jan H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

15624424, 15624425, 264167, 264168, 264103, 26417713, 26417717, 26417719, 26421112, 26421114, 264342RE, D01D 520

Patent

active

047203145

ABSTRACT:
Polyester polymer is extruded at different speeds through groups of parallel closely spaced orifices at relatively high spinning speeds. The resulting filament have high and low shrinkage regions substantially regularly spaced apart along their length. A yarn including a number of these filaments spontaneously develops crimp when relaxed.

REFERENCES:
patent: 3219739 (1965-11-01), Breen et al.
patent: 3914488 (1975-10-01), Gorrafa
patent: 4332757 (1982-06-01), Blackmor et al.
patent: 4332758 (1982-06-01), Blackmor et al.
patent: 4351147 (1982-09-01), Blackmor et al.

Affiliated with

Also associated with

Rating

Process for producing self-crimping polyester yarn does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for producing self-crimping polyester yarn, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for producing self-crimping polyester yarn will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-370602