Carding engines

Details Carding engines Carding engines

1977-04-29

1978-12-12

Newton, Dorsey

Textiles: fiber preparation

Working

Carding

19 98, 19106R, D01G 1540

Patent

active

041289170

ABSTRACT:
In a duo-card engine, a novel arrangement of crush rolls and toothed roller are used to break up the fibre web into individual fibres and fibre groups to free them from dirt, after which the fibres are reassembled on the surface of a perforated vacuum cage adjacent to and downstream of the toothed roller. This sequence of operations produces a yarn, not only of more regular texture but yarn in which the amount of trash, dust and small fibres can be reduced substantially by one half.

REFERENCES:
patent: 1461562 (1923-07-01), Rooney
patent: 3144686 (1964-08-01), Aoki
patent: 3249967 (1966-05-01), Varga
patent: 3373461 (1968-03-01), Bessette et al.

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