Plastic extrusion-transport roller for photomechanical apparatus

Details Plastic extrusion-transport roller for photomechanical apparatus Plastic extrusion-transport roller for photomechanical apparatus

1986-08-05

1988-01-12

Goldberg, Howard N.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29110, 29129, B21B 100

Patent

active

047181540

ABSTRACT:
A transport roller made of plastics by extrusion and used for photomechanical apparatus for transporting film or X-ray cassettes or the like is formed as a sleeve having an internal recess, the surface of which is provided with a plurality of inwardly radially protruding ribs which ensure a stable and rigid structure of the roller without requiring a metallic core in the roller.

REFERENCES:
patent: 2218817 (1940-10-01), Frost
patent: 3550231 (1970-12-01), Rosenkranz et al.

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