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:
Jun. 12, 1984
Filed:
Jun. 14, 1983
Applicant:
Inventors:
Hans-Peter Schmitz, Oberhausen, DE;
Bernard Schleper, Oberhausen, DE;
Assignee:
Ruhrchemie Aktiengesellschaft, Oberhausen, DE;
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
73640 ; 73623 ;
Abstract
An ultrasonic probe is positioned within a hollow body such as a pipe for detecting possible flaws in the body wall. The probe is designed for rotational and longitudinal movement in said pipe and includes an ultrasonic transmitter/receiver mounted eccentrically within a liquid filled chamber of the probe, so that transmitted impulses strike the inner wall of the pipe at such an angle that the angle of refraction of the sound wave in the material of the wall is always less than 90.degree..