Measuring and testing – Sheet – woven fabric or fiber – Filament
Patent
1977-11-10
1979-08-28
Gorenstein, Charles
Measuring and testing
Sheet, woven fabric or fiber
Filament
G01L 504
Patent
active
041656385
ABSTRACT:
An entanglement tester, for testing the degree of entanglement of the yarns such as jet-entangled, yarn, is provided. A complex yarn path is provided, having sections arranged at angles to each other, and a measuring device is provided which may be displaced by shortening the yarn path. Means are provided for inserting a pin or needle into and through the yarn, guiding the yarn onto and off of the pin by using pivoting or sliding guides that are worked by yarn tension, and the yarn is displaced in a manner to shorten the yarn path, thus displacing the measuring device until a point of entanglement is reached. The distance between point of insertion and point of entanglement may be read out, and the measuring process repeated many times without painstaking hand guiding operations.
REFERENCES:
patent: 3290932 (1966-12-01), Hitt
patent: 3363459 (1968-01-01), Brown
patent: 3401559 (1968-09-01), Rice
patent: 3566683 (1971-03-01), Bulla et al.
patent: 3793883 (1974-02-01), Goldfarb et al.
Gorenstein Charles
Techniservice Division Textured Yarn Co., Inc.
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