Manufacturing of patterned deep pile circular knitted fabric

Details Manufacturing of patterned deep pile circular knitted fabric Manufacturing of patterned deep pile circular knitted fabric

1974-04-29

1977-02-08

Newton, Dorsey

Textiles: knitting

Independent-needle machines

Circular

19105, 19108, 19240, D04B 914

Patent

active

040066096

ABSTRACT:
In a deep pile fabric knitting machine which includes carding wheels from which fibers are transferred to rotary doffers and from which the fibers are selectively taken by knitting needles traveling with a rotary cylinder, but with at least some untaken fibers remaining on the doffers, remaining fibers are scavenged from the doffers, substantially uniformly dispersed and returned for recycling in the same carding paths from which the fibers were originally transferred to the doffers. Returned fibers may be applied directly to the perimeters of the carding wheels, or to sliver leading to the carding wheels. Scavenging may be effected by high speed scavenger rolls and return of the fibers effected pneumatically with mechanical dispersion. Loose fibers are blown from the knitting needles and recycled in the same system with the fibers scavenged from the doffers.
Sharp separation and definition between pattern features such as stripes is maintained even where fibers of different characteristics are selectively alternately supplied to and by a common fiber feed path.
Monitoring of the density of fibers in the fiber delivery for fiber feed paths is provided for.

REFERENCES:
patent: 739246 (1903-09-01), Winn
patent: 1311293 (1919-07-01), Schaefer
patent: 1323297 (1919-12-01), McHale
patent: 2601381 (1952-06-01), Freeman et al.
patent: 2711562 (1955-06-01), Duesberg
patent: 2725599 (1955-12-01), Schorsch et al.
patent: 2971357 (1961-02-01), Hill
patent: 2993351 (1961-07-01), Wheelock
patent: 3099048 (1963-07-01), Locher
patent: 3501812 (1970-03-01), Schmidt
patent: 3728872 (1973-04-01), Thore

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