Method and apparatus for controlling the supply of sliver to the

Details Method and apparatus for controlling the supply of sliver to the Method and apparatus for controlling the supply of sliver to the

1989-09-07

1990-09-18

Petrakes, John

Textiles: spinning, twisting, and twining

Apparatus and processes

Package handling

57 90, 57264, 57276, D01H 400, D01H 900, D01H 918

Patent

active

049569694

ABSTRACT:
A method and apparatus for supplying sliver to the spinning stations of a spinning machine to wind a batch of a predetermined number of packages includes a sliver can transfer device, a sliver can conveying device, a sliver can filling device and a computer for controlling the operation of the various sliver can handling devices. Each spinning station is initially provided with a sliver can having a differing amount of sliver therein than the other sliver cans as the winding of the packages of the batch is commenced. The spinning stations are then continuously individually provided with fresh cans of sliver having a uniform amount of sliver therein during the normal running of the batch. The computer executes a batch ending program to determine an individual finishing quota of packages to be wound at each spinning station and controls the sliver can conveying device, the sliver can transfer device and the sliver can filling device to deliver a final can of sliver to each spinning station for the spinning station to complete its individual finishing quota of packages. The final can of sliver provided to each spinning station contains a predetermined quantity of sliver which is selected such that the final can is substantially empty upon the winding of the last full package of the individual finishing quota of packages at the respective spinning station.

REFERENCES:
patent: 3884026 (1975-05-01), Yoshizawa et al.
patent: 4033104 (1977-07-01), Kamp
patent: 4078369 (1978-03-01), Brandis
patent: 4150534 (1979-04-01), Raasch
patent: 4537018 (1985-08-01), Tooka
patent: 4735040 (1988-04-01), Pircher

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