Yarn testing method

Details Yarn testing method Yarn testing method

1987-04-06

1989-05-02

Levy, Stewart J.

Measuring and testing

Specimen stress or strain, or testing by stress or strain...

By loading of specimen

73834, G01N 308

Patent

active

048257028

ABSTRACT:
The invention provides a method of testing yarn comprising periodically feeding a length of yarn by means of a fluid stream along a pathway so that it extends between a pair of spaced clamps, clamping the length of yarn towards the ends thereof by means of the clamps and causing one or both clamps to move relative to the other progressively to tension the yarn until breakage. Tension and elongation of the yarn is measured.

REFERENCES:
patent: 2533332 (1950-12-01), Steiding
patent: 3049916 (1962-08-01), Weiner
patent: 3209589 (1965-10-01), Schlatter
patent: 3287964 (1966-11-01), Dennis et al.
patent: 3533284 (1970-10-01), Slemmons et al.
patent: 3885417 (1975-05-01), Stern
patent: 3992936 (1976-11-01), Clemens et al.
patent: 4100796 (1978-07-01), Gayler et al.
patent: 4173787 (1979-11-01), Katuna et al.
patent: 4245512 (1981-01-01), Saunders

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