Wear-resistant housing for an extrusion device

Details Wear-resistant housing for an extrusion device Wear-resistant housing for an extrusion device

1990-12-17

1992-05-05

Chiesa, Richard L.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

Plural wear or shaping surfaces mounted for alternative use

366 83, 425204, B29C 4766

Patent

active

051102846

ABSTRACT:
A corrosion-resistant and wear resistant housing for a screw extruder having one or more axis-parallel bores, each of which accommodates a screw of the extruder. Support sleeves, which have a smaller internal diameter than the screw bore or bores and which guide the rotating screw or screws are disposed in the two end regions of the housing poritons, whereby the corrosion and wear caused by the material being extruded are primarily restricted to the support sleeves.

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patent: 4746220 (1988-05-01), Sukai et al.

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