Heat transfer means to be installed around the barrel of an extr

Details Heat transfer means to be installed around the barrel of an extr Heat transfer means to be installed around the barrel of an extr

1985-02-11

1987-01-06

Hoag, Willard E.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

165122, 366149, 425547, B29C 4572, B29C 4778

Patent

active

046343610

ABSTRACT:
The apparatus substantially comprises two semicylindrical structures therebetween a gap is defined provided, at opposite positions, with cooled air inlet and outlet ports. The gap encompasses the portion of the machine to be cooled and/or temperature controlled, the air circulation being assured by fans arranged, together with the cylindrical structures, in a box-shaped body consisting of two vertically extending opposite walls supported by the extruder cylinder and being closed, at the top and on its sides, by a removable casing, in such a way as to define, on the sides of the semicylindrical structures, cooling air circulation ducts therealong air flows before arriving at the gap defined by the semicylindrical structures.

REFERENCES:
patent: 2200502 (1940-05-01), Johnson
patent: 3743252 (1973-07-01), Schott
patent: 4072185 (1978-02-01), Nelson

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