Cylinder for a paper machine, or the like

Details Cylinder for a paper machine, or the like Cylinder for a paper machine, or the like

1979-11-06

1981-08-11

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

Rotary drums or receptacles

34119, 34124, 34231, 165 89, 165109R, F26B 2520

Patent

active

042826560

ABSTRACT:
A hollow cylinder is provided on its interior surface with an annular array of a plurality of annularly spaced, longitudinal ridges. The ridges are held in place by at least one inner support disposed inside the cylinder. A respective longitudinally extending bar is disposed radially inwardly of each ridge and springs bias the bar radially inwardly. The bars engage the support ring. The resultant resilient connection between the support ring and the ridges urges the ridges against the interior surface of the shell. The inner support ring may be constructed of several joined arcuate segments.

REFERENCES:
patent: 1860738 (1932-05-01), Harty et al.
patent: 3217426 (1965-11-01), Barnscheidt et al.
patent: 4195417 (1980-04-01), Mathews

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