Bimetal multiple cylinder for extruders in plastics processing m

Details Bimetal multiple cylinder for extruders in plastics processing m Bimetal multiple cylinder for extruders in plastics processing m

1974-05-28

1976-07-20

Aegerter, Richard E.

Pipes and tubular conduits

Longitudinally seamed

Sectional

138171, 425204, F16L 900, F16L 922, B29B 104, B29F 302

Patent

active

039701131

ABSTRACT:
A bimetal multiple cylinder for extruders in plastics processing machinery is formed of a plurality of cut-away bimetal tubes having each a base material supporting an internal lining. The bimetal tubes are each cut-away by a pair of longitudinal cuts extending from the tube exterior to the tube interior to expose a pair of cut faces, and the cut faces are each arranged to face a respective cut face of an adjacent cut-away bimetal tube. Adjacent cut-away bimetal tubes are joined to one another by welding at their facing cut faces.

REFERENCES:
patent: 1934065 (1933-11-01), Hermanson
patent: 2698962 (1955-01-01), Swallow
patent: 3010151 (1961-11-01), Dickinson et al.
patent: 3664012 (1972-05-01), Wilke et al.
Welding Handbook, section 2, American Welding Society, Sixth Ed., Appendix pp. 11, 23 & 31.

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