Control unit for driving plural loopers

Details Control unit for driving plural loopers Control unit for driving plural loopers

1982-09-28

1984-10-02

Levy, Stuart S.

Advancing material of indeterminate length

Plural material-moving means

With bight former

226118, 242 7551, B65H 2316

Patent

active

044743211

ABSTRACT:
A novel control unit for driving plural loopers provided with a tension constant automatically adjusting circuit in which a looper speed on its slave side is controlled such that a plurality of loopers having different amounts for moving the loopers and different strand numbers pass through the same % positions at the same time in order to control these plural loopers, and the number of times in operation for correcting an error of % position which takes place at the time of stopping transference of the plural loopers is minimized.

REFERENCES:
patent: 1265328 (1918-05-01), Henderson
patent: 2707254 (1955-04-01), Newman et al.
patent: 2797918 (1957-07-01), McArthur et al.

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