Apparatus used in surface treatment and a method of surface trea

Details Apparatus used in surface treatment and a method of surface trea Apparatus used in surface treatment and a method of surface trea

1981-05-11

1982-11-30

Beck, Shrive P.

Coating processes

Spraying

Moving the base

148 615R, 148 615Z, 118422, 118423, 118429, 118603, 4274345, C23F 708

Patent

active

043616054

ABSTRACT:
An apparatus used in surface treatment and a method of surface treatment using said apparatus are provided in the present invention.
Said apparatus comprises a dipping tank forming one or more hoppers in its bottom, a drain path connected to said hoppers, a solid-liquid separator settled in said drain path, a recirculating path for supernatant from said separator, and a spraying tool connected to said recirculating path and arranged in the rear part of the dipping tank; and said method of surface treatment using said apparatus comprises dipping an article-to-be-treated in a treating liquid in a dipping tank forming one or more hoppers in its bottom, purging sludge formed and settling during said dipping through a drain path connected to said hoppers, separating said sludge by a solid-liquid separator settled in said drain path, recirculating supernatant through a recirculating path from said separator to a spraying tool connected to said recirculating path and arranged in the rear part of dipping tank, and spraying said supernatant from said spraying tool to the treated surface of an article after dipping.

REFERENCES:
patent: 2050830 (1936-08-01), Delany
patent: 3539381 (1970-11-01), Kayarian
patent: 4196023 (1980-04-01), Rowe
patent: 4287004 (1981-09-01), Murakami et al.

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