Continuous measurement of yarn diameter and twist

Details Continuous measurement of yarn diameter and twist Continuous measurement of yarn diameter and twist

1984-06-20

1987-03-03

Lall, Parshotam S.

Boots, shoes, and leggings

57264, 73160, 73264, 364470, G01H 1700, G06F 1546

Patent

active

046480544

ABSTRACT:
A yarn twist measurement device having a freely rotatable disc with its axis parallel to the axis of a travelling yarn. The disc being rotated by the surface twist of the yarn in contact with the circumference of the disc as the yarn travels past the disc. By measuring the circumferential displacement of the disc and the corresponding linear translation of the yarn, the amount of twist on the surface of the yarn can be calculated.

REFERENCES:
patent: 3945181 (1976-03-01), Yamazaki et al.
patent: 4000641 (1977-01-01), Lewis
patent: 4045659 (1977-08-01), Akagawa et al.
patent: 4148178 (1979-04-01), Rashele
patent: 4168604 (1979-09-01), Mannhart
patent: 4430720 (1984-02-01), Aemmer
patent: 4506339 (1985-03-01), Kuhnlein

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