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. 13, 2002
Filed:
Oct. 30, 2000
Masatoshi Aijima, Tokyo, JP;
Jamco Corporation, Tokyo, JP;
Abstract
A tank has an opening through which enters a molded material P , which is the object of inspection, and water W is filled within the tank . One side wall of said tank is equipped with the plurality of ultrasonic search units . On the other side wall of said tank is mounted a reflector plate opposing to said ultrasonic search units . The reflection surface of said reflector plate is positioned away from the surface of an object portion P by a predetermined distance D . The ultrasonic waves generated from the search units are reflected, and the reflected waves are transduced into electric signals, and the signals are compared with the signals received from the solid portion, so as to detect flaw.