Textiles: spinning – twisting – and twining – Apparatus and processes – Web material
Patent
1975-03-06
1977-07-05
Queisser, Richard C.
Textiles: spinning, twisting, and twining
Apparatus and processes
Web material
57 34AT, 57140J, 57157TS, 57157S, D02G 102, D02G 334
Patent
active
040331032
ABSTRACT:
A process and apparatus for the production of a variable diameter or thick-thin yarn in which a twist blocking means is introduced between the heater and the false twister of a false twist texturizing machine in order to intermittently deflect the yarn being treated from its normal linear path, thereby temporarily accumulating or backing up the twist between the blocking means and the false twister and then preferably releasing the twist suddenly, for example by engaging and disengaging the running yarn in contact with two pins or guide members which deflect the yarn from opposite directions in the contact position and then release the yarn for normal false twist texturizing. The resulting preferred thick-thin yarn has a characteristic long thin twisted segment of low voluminosity alternating with a thick or bulky and substantially non-twisted texturized segment of high voluminosity.
REFERENCES:
patent: 3166881 (1965-01-01), Savage
patent: 3422613 (1969-01-01), Berger, Jr. et al.
patent: 3774388 (1973-11-01), Berger, Jr.
Akzona Incorporated
Gorenstein Charles
Queisser Richard C.
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