Method of and apparatus for automatic reattachment of threads in

Details Method of and apparatus for automatic reattachment of threads in Method of and apparatus for automatic reattachment of threads in

1974-10-09

1976-11-23

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Web material

57156, D01H 1500

Patent

active

039928640

ABSTRACT:
A method for the automatic repair of thread breakage in spinning machines includes the steps of searching for an end of a broken thread on a take-up thread holder. The method involves grasping the end of the thread, if found, pulling the thus grasped thread into a traveler and a thread guide and combining the thus pulled thread with roving emerging from delivery rollers. In the method it is determined if repair of thread breakage is not possible by the series of steps set out above, and then an auxiliary thread is supplied from an auxiliary thread supply and fastened on the thread holder. Subsequently, the auxiliary thread is detached from its supply thereby providing a new thread end on the thread holder, and thereafter the searching, grasping, pulling and combining steps of the method are performed. An apparatus is provided for carrying out the method.

REFERENCES:
patent: 3540200 (1970-11-01), Tsukumo et al.
patent: 3591951 (1971-07-01), Urano et al.
patent: 3640059 (1972-02-01), Lutovsky et al.
patent: 3807155 (1974-04-01), Miyazaki et al.

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