Textiles: fiber preparation – Working – Drafting
Patent
1995-01-03
1996-09-10
Crowder, C. D.
Textiles: fiber preparation
Working
Drafting
19244, 492 31, 492 35, D01H 578
Patent
active
055533574
ABSTRACT:
A high bulky wool spun yarn for knitting or weaving, which has high bulky properties formed by bulky loops in the bundle of the yarn, and a drafting system for making the same is provided. The drafting system includes a spinning machine with an improved front top roller that periodically changes the contacting points of a wool roving to form uniform bulky loops in a bundle of a wool spun yarn, thereby forming the high bulky wool spun yarn. Multiple grooves which are perpendicular to the axis of the top roller are formed on the surface of the top roller. Additionally, multiple slanting grooves which are slanted at about 45.degree. to the axis of the top roller or to the multiple grooves are formed on the surface of the top roller. Abrasion resistant fillers are inserted and fixed in the multiple slanting grooves.
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patent: 3153316 (1964-10-01), Livingston
Kim Kun-hye
Lee Chang-jig
Son Soo-ho
Yoon Young-huy
Cheil Industries Inc.
Crowder C. D.
Worrell Jr. Larry D.
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