Method for categorizing yarn defects and cleansing yarn

Details Method for categorizing yarn defects and cleansing yarn Method for categorizing yarn defects and cleansing yarn

1994-07-28

1996-07-23

Stryjewski, William

Textiles: spinning, twisting, and twining

Apparatus and processes

Monitor and control

28226, 57265, 73160, D01H 746, D01H 792

Patent

active

055378110

ABSTRACT:
A method and apparatus for simultaneously cleansing and grading yarn produced by a spinning or spooling machine with a plurality of spindles or primary spools. One spindle processor is associated with each spindle. The spindle-processor grades in a grading plane containing a cleansing envelope. All yarn defects located outside the cleansing envelope in the grading plane are considered unacceptable defects and are excised from the yarn.

REFERENCES:
patent: 4045659 (1977-08-01), Akagawa et al.
patent: 4430720 (1984-02-01), Aemmer
patent: 4491831 (1985-01-01), Sakai et al.
patent: 4764876 (1988-08-01), Whitener et al.
patent: 4817425 (1989-04-01), Ueda
patent: 5119308 (1992-06-01), Samoto
patent: 5181374 (1993-01-01), Aeppli

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