Drawing apparatus for textile fibre webs

Details Drawing apparatus for textile fibre webs Drawing apparatus for textile fibre webs

1984-05-24

1985-10-22

Rimrodt, Louis K.

Textiles: fiber preparation

Working

Drafting

19259, D01H 524

Patent

active

045479364

ABSTRACT:
The drawing apparatus for textile fibre webs comprises a series of pairs of olls, the peripheral velocity of the rolls of each pair being greater than the peripheral velocity of the preceding pair in the direction of advance of the web.
Each roll has a resilient covering constituted by highly flexible steel wires that extend substantially radially. A smaller-diameter smooth roller is interposed between each pair of covered rolls and the following pair, the smaller diameter roller having a peripheral velocity equal to that of the following pair. The disposition of the smooth rollers is such as to impart a sinuous course to the web and keep the web in engagement with the metal wires of the covered rolls over substantial arcs. The drawing apparatus achieves higher drawing ratios with a good quality of the drawn web using a smaller number of pairs of rolls.

REFERENCES:
patent: 2023032 (1935-12-01), Rooney
patent: 3409946 (1968-11-01), Whitehurst
patent: 3748695 (1973-07-01), Shino et al.
patent: 3942223 (1976-03-01), Roger

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