The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 30, 1982
Filed:
May. 11, 1981
Yoshinobu Takahashi, Toyota, JP;
Yasuo Tokushima, Toyota, JP;
Kentarou Ogata, Toyota, JP;
Mamoru Suzuki, Aichi, JP;
Zyouzi Ito, Toyota, JP;
Toyota Jidosha Kabushiki Kaisha, Aichi, JP;
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.