Method for determining cohesion in staple fibers

Details Method for determining cohesion in staple fibers Method for determining cohesion in staple fibers

1986-04-17

1987-03-17

Rimrodt, Louis K.

Textiles: fiber preparation

Working

Carding

19296, 73159, 73840, D01G 1546, G01N 300

Patent

active

046496050

ABSTRACT:
Method for determining whether textile staple fibers having crimp therein, either natural or man-made, have a weighted-average cohesion number of from 14.2 to 31.75 centimeters (5.6 to 12.5 inches) by initiating gas impingement contacts at successively increasing different pressure levels against a carded web of staple fibers to cause in the carded web the formation of visible bulges until the bulges are eventually ruptured 80 to 100% for a particular pressure level, and then recording the pressure and number of ruptures from each level and determining therefrom the weighted-average cohesion number.

REFERENCES:
patent: 2557184 (1951-06-01), Getchell
patent: 3251218 (1966-05-01), Russell
patent: 3600940 (1971-08-01), Schlegel
patent: 4198853 (1980-04-01), Graham et al.
patent: 4272868 (1981-06-01), Grunder et al.
patent: 4503704 (1985-03-01), Misenheimer

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