Method and apparatus for determining the state of interlacing _i

Details Method and apparatus for determining the state of interlacing _i Method and apparatus for determining the state of interlacing _i

1978-09-07

1980-07-15

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

With circuit for evaluating a web, strand, strip, or sheet

73160, 356238, G01N 2130

Patent

active

042130565

ABSTRACT:
Disclosed is a method and apparatus for determining the state of interlacing in interlaced multifilament yarn, wherein an interlaced multifilament yarn is forced to contact a contact member while running along a yarn passage so that a configuration of the yarn is changed with regard to the mutual lateral positions of individual filaments thereof. The state of the above-mentioned changing of the yarn configuration is detected by means of a photoelectric principle, and the degree of interlacing is electrically calculated from the detected signal.

REFERENCES:
patent: 3793883 (1974-02-01), Goldfarb et al.
patent: 4103177 (1978-07-01), Sanford et al.

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