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:
Aug. 01, 2023
Filed:
Sep. 30, 2020
Disco Corporation, Tokyo, JP;
Van Tuan Dang, Tokyo, JP;
Miki Yoshida, Tokyo, JP;
DISCO CORPORATION, Tokyo, JP;
Abstract
A dust collecting treatment apparatus is connected to a dry type polishing apparatus, sucks dust-containing air from the dry type polishing apparatus, and separates the dust and the air from each other. The apparatus includes a cylindrical main body connected to the dry type polishing apparatus; a suction box disposed on an upper plate of the cylindrical main body, a suction source connected to the suction box through a ventilating duct, a filter unit that includes a flange section supported on the upper plate of the cylindrical main body, a pipe formed integrally with the flange section and formed of a plurality of minute holes, and a filter formed of a water-soluble material and externally fitted to the pipe in a detachable manner. The filter is disposed inside the cylindrical main body. A water jet nozzle is disposed inside the suction box and jets water into the filter unit.