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. 31, 2004
Filed:
Aug. 15, 2001
Applicant:
Inventors:
Hiroki Mizuno, Kanagawa, JP;
Shigeo Tokura, Kanagawa, JP;
Masaji Kashimoto, Fukushima, JP;
Takayuki Kurashima, Fukushima, JP;
Assignee:
NSK LTD, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B 9/20 ;
U.S. Cl.
CPC ...
B08B 9/20 ;
Abstract
In a ring shaped part washing method an ultrasonic vibration plate is disposed in a washing tank filled with a washing fluid , and ultrasonic waves generated by the ultrasonic vibration plate are applied to ring-shaped parts disposed in the washing tank to thereby remove foreign substances stick to the ring-shaped parts therefrom. The ring-shaped parts are disposed inclinedly with respect to the ultrasonic vibration plate in such a manner that the axes of the ring-shaped parts intersect with the plate surface of the ultrasonic vibration plate at an angle &thgr; other than a right angle.