Textiles: spinning – twisting – and twining – Apparatus and processes – With preparation for doffing- or donning-type operation
Patent
1983-12-14
1986-07-08
Petrakes, John
Textiles: spinning, twisting, and twining
Apparatus and processes
With preparation for doffing- or donning-type operation
57273, 57276, 57303, 242 18EW, D01H 902, D01H 914, D01H 916, D01H 138
Patent
active
045985405
ABSTRACT:
During the cop-forming phase of operation of a ring spinning or twisting machine, yarn is wound onto spools carried by the spindles in order to form cops. At the end of this phase, the yarn associated with each spindle is fastened below the spool by means of several fastening turns; thereafter, the full cops are removed with breakage of the yarns. In order to facilitate the operation of cop-removal means for automatically and simultaneously removing all of the full cops, yarn-severing means are provided that sever the yarns prior to the cop-removal means picking up the full cops. In a preferred embodiment, the yarn-separation means is arranged to snap the yarns by downwardly displacing the members around which the fastening turns are wound.
REFERENCES:
patent: 2582696 (1952-01-01), Haythornthwaite
patent: 3210922 (1965-10-01), Winter
patent: 3339356 (1967-09-01), Nikel et al.
patent: 3491526 (1970-01-01), Krauss et al.
patent: 3530657 (1970-09-01), Grau
patent: 3962856 (1976-08-01), Weller et al.
patent: 4036001 (1977-07-01), Tamai et al.
Officine Gaudino di P. Gaudino & C. S. a.s.
Petrakes John
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