Rollers for friction spinning apparatus

Details Rollers for friction spinning apparatus Rollers for friction spinning apparatus

1983-11-07

1985-06-11

Watkins, Donald

Textiles: spinning, twisting, and twining

Apparatus and processes

Open end spinning

D01H 1135, D01H 7882

Patent

active

045220220

ABSTRACT:
Friction spinning apparatus comprises two rollers arranged in parallel closely spaced relationship so as to define therebetween adjacent the line of closest approach a throat and a fibre feed means for feeding fibres into the throat for twisting into yarn as shown in G.B. No. 2042599. The surface of each of the rollers has a roughness characteristic at most 250 micro inches (6.25 microns) and the roller having its surface moving from the fibre feed means into the throat has a roughness less than that of the other roller by from 20 to 100 micro inches (0.5 to 2.54 microns).

REFERENCES:
patent: 4327545 (1982-05-01), Fehrer
patent: 4334400 (1982-06-01), Fehrer
patent: 4372109 (1983-02-01), Farnhill et al.

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