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:
Sep. 20, 1988
Filed:
Feb. 09, 1987
Yoshikazu Sando, Wakayama, JP;
Hiroshi Ishidoshiro, Wakayama, JP;
Sando Iron Works Co., Ltd., Wakayama, JP;
Abstract
For the treatment of waste water in the liquid treatment of a textile material, air bubbles are generated in water containing floating impurities stored tentatively in a waste water tank so as to adhere the impurities on the surface of the air bubbles, adhering the impurities together with air bubbles on the surface of a filter comprising a mesh belt or a mesh drum by pulling up the filter successively, and removing the impurities from the filter thus pulled up due to the effect of vacuum suction, and an apparatus therefor. The impurities remaining still on the surface of the filter may further be removed therefrom by washing the filter with the aid of water and air jets.