Plasticizing barrel lined on the inside with a coating, and...

Details Plasticizing barrel lined on the inside with a coating, and... Plasticizing barrel lined on the inside with a coating, and...

2006-02-14

2006-02-14

Kerns, Kevin P. (Department: 1725)

Metal founding

Process

Shaping liquid metal against a forming surface

C164S033000, C164S080000, C164S098000, C164S114000

Reexamination Certificate

active

06997235

ABSTRACT:
A plasticizing barrel for a plastics processing machine includes a body having a hollow cylindrical configuration and defining an axis; and a coating formed on an inner wall surface of the body and including at least one groove extending in axial direction of the body. The coating, e.g., a wear-resisting protective layer, may be produced through centrifugal casting, whereby the grooves are formed by projections of a negative mold inserted in the hollow-cylindrical body.

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