Device and method for cooling an extrusion cylinder

Details Device and method for cooling an extrusion cylinder Device and method for cooling an extrusion cylinder

1994-01-21

1995-09-05

Ford, John K.

Heat exchange

Regenerator

Checker brick structure

165 30, 165 64, 165183, 425144, 4253781, 4253791, 219201, 219531, 219535, 219539, 219544, F25B 2900, B29C 4788, B29C 4782

Patent

active

054471907

ABSTRACT:
A longitudinal stream of cooling air is caused to flow around the cylinder (10) and over the length of each of one or more heating-and-cooling zones. This longitudinal flow is facilitated by specially designed cooling fins (22; 25). The performance of the extruder is improved in that the temperature over the cross-section of the cylinder is more uniform. Moreover, wear and tear on the extrusion screw and on the cylinder are greatly reduced.

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patent: 3743252 (1973-07-01), Schott, Jr.
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patent: 4758146 (1988-07-01), Piazzola
patent: 4763722 (1988-08-01), Piazzola

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