Metal treatment – Compositions – Heat treating
Patent
1979-11-02
1981-10-13
Kendall, Ralph S.
Metal treatment
Compositions
Heat treating
118416, 118421, 118 52, 427240, 427345, C23F 726
Patent
active
042946263
ABSTRACT:
The surface treatment is carried out by employing an apparatus comprising a vessel and a holed container rotatably equipped in said vessel.
Materials to be treated are filled into said holed container of said apparatus then treating liquids and/or washing liquids are charged in order into said holed container according to the treatment process and said holed container is driven to rotate thus treating liquids and/or washing liquids contact whole surface of said materials and the treatment is carried out. After the treatment, treating liquids and/or washing liquids are effectively removed from the surface of said materials by the centrifugal force accompanying with the rotation of said holed container.
REFERENCES:
patent: 2009232 (1935-07-01), Hood
patent: 2105094 (1938-01-01), Pearce
patent: 2158981 (1939-05-01), Collins
patent: 3227130 (1966-01-01), Weiskopf
patent: 3771490 (1973-11-01), Kinney
Japan Envirotic Industry Co., Ltd.
Kendall Ralph S.
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