Touch roller for plastic polymer film manufacturing apparatus

Details Touch roller for plastic polymer film manufacturing apparatus Touch roller for plastic polymer film manufacturing apparatus

1989-12-26

1991-12-10

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

226193, 291218, B65H 1810

Patent

active

050710834

ABSTRACT:
A metallic touch roller for use in an apparatus for manufacturing film rolls. The outer surface of the touch roller has a matte-finish with a plurality of symmetrically formed spiral grooves extending over the length of the roller. A mean surface roughness of the matte-finished surface may be from 0.5 to 2.0 .mu.m and, preferably, from 1.0 to 1.3 .mu.m.

REFERENCES:
patent: 3089415 (1963-05-01), Grembecki et al.
patent: 3240442 (1966-03-01), Kilmartin
patent: 4025009 (1977-05-01), Fineo
patent: 4429823 (1984-02-01), Umehara

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