Apparatus for detecting extraneous components in a textile fiber

Details Apparatus for detecting extraneous components in a textile fiber Apparatus for detecting extraneous components in a textile fiber

1988-03-04

1989-08-08

Levy, Stewart J.

Measuring and testing

Vibration

Loose object detection

73570, G01N 2904

Patent

active

048541710

ABSTRACT:
The presence of extraneous materials such as polypropylene strings or strands in textile fiber material is detected at the bale shaver or plucker in which tufts of the textile fiber are removed from the bale by a rotary plucker head. The plucker head is received in a suction removal hood so that a strand which tends to be wound on the head will impact upon the hood and the frequency of such impact is automatically detected and, if found to be related to the frequency of rotation of the head, automatically causes shut down of the machine to enable clearing of the extraneous fiber or string from the head.

REFERENCES:
patent: 3798626 (1974-03-01), Weichbrodt et al.
patent: 4231258 (1980-11-01), Menju et al.
patent: 4392214 (1983-07-01), Marini et al.

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