1975-05-19
1977-07-19
Bertsch, Richard A.
Cutlery
259192, F16C 3300
Patent
active
040365409
ABSTRACT:
A screw extruder housing is made wear-resistant by providing a non-metallic lining formed of brittle material, the lining being divided into a multiplicity of individual wearing units firmly anchored in place in the casing.
REFERENCES:
patent: 1422655 (1922-07-01), Brehmer
patent: 3455619 (1969-07-01), McGrath
patent: 3497278 (1970-02-01), Orndorff, Jr.
patent: 3804382 (1974-04-01), Pultz
patent: 3900188 (1975-08-01), Seufert
Bertsch Richard A.
Werner & Pfleiderer
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