Device for holding a thin-walled metal cylinder

Details Device for holding a thin-walled metal cylinder Device for holding a thin-walled metal cylinder

1979-02-09

1981-06-16

Kee Chi, James

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29123, 355 85, 403365, 403371, B21B 3132, B21B 3108, G03B 2704, F16D 100

Patent

active

042728720

ABSTRACT:
A thin-walled hollow metal cylinder is rotatably held at its ends between holding flanges which are mounted with a pressure-tight seal on an opposing aligned pair of rotatable hubs. The spacing between the hubs can be adjusted. In one embodiment, the hubs are supported on a hollow pipe arbor and make a pressure-tight seal against it. In another embodiment, one hub is mounted on a stub shaft which is held in bearings and another is held in the head stock of a lathe in proper alignment. In both cases, a pressure medium, air, is supplied to the inner space of the cylinder through the arbor at a pressure of about 0.5 to about 1.0 atmospheres to increase the inherent rigidity of the cylinder. This improves the stability of the cylinder for various processes, such as for photoengraving of the surface of the cylinder to prepare it as a screen-printing stencil.

REFERENCES:
patent: 2587606 (1952-03-01), Dungler
patent: 3166013 (1965-01-01), Wyllie et al.
patent: 3253323 (1966-05-01), Saueressig
patent: 3707749 (1973-01-01), Henley
patent: 3847493 (1974-11-01), Peter et al.
patent: 3858507 (1975-01-01), Owren et al.
patent: 4150622 (1979-04-01), Stollenwerk et al.

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