Cylinders and rollers for printing machines

Details Cylinders and rollers for printing machines Cylinders and rollers for printing machines

1976-01-27

1977-12-06

Guest, Alfred R.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

B21B 3108

Patent

active

040608824

ABSTRACT:
Cylinder and rollers for printing machines such as offset cylinders, impression cylinders, form cylinders and dampening rollers. The surface of the cylinder or roller consists of a layer inseparable from the cylinder proper. This layer has a thickness of 0.05 to 0.6 mm and consists of an oxide selected from the group of Al.sub.2 O.sub.3, TiO.sub.2, Cr.sub.2 O.sub.3, ZrO.sub.3 and Mgo and a combination of these oxides.
This layer may also consist of a metal alloy selected from the group of nickel-chromium and nickel-chromium-boron-silicon.

REFERENCES:
patent: 2151048 (1939-03-01), Rowe
patent: 2695248 (1954-11-01), Ornitz et al.
patent: 2793571 (1957-05-01), Way et al.
patent: 2984473 (1961-05-01), Ornitz et al.
patent: 3080134 (1963-03-01), England et al.
patent: 3412479 (1968-11-01), Markovic
patent: 3942230 (1976-03-01), Nalband

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