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:
May. 25, 1982
Filed:
Aug. 06, 1979
Hiroyuki Takeda, Hiroshima, JP;
Ichio Iseki, Sendai, JP;
Katsumi Kawai, Tokyo, JP;
Hiroyuki Okajima, Nagoya, JP;
Sigeru Kajiyama, Hitachi, JP;
Sakae Sugiyama, Tokaimura, JP;
Kimio Kanda, Hitachi, JP;
The Chugoku Electric Power Co., Inc., all of, JP;
Tohoku Electric Power Co., Inc., all of, JP;
The Tokyo Electric Power Co., Inc., all of, JP;
The Chubu Electric Power Co., Inc., all of, JP;
Hitachi, Ltd., all of, JP;
Abstract
An annular guide rail is detachably mounted in enclosing relation around a tubular member of piping to be probed for any flaws that might be present therein, and a flaw detecting unit, a circumferentially driving unit and an axially driving unit are movably arranged on the annular guide rail and interconnected by connecting means. The flaw detecting means includes an arm movable axially of the tubular member and supporting ultrasonic flaw detecting means. The circumferentially driving unit includes first driving means for moving the flaw detecting unit, circumferentially driving unit and axially driving unit circumferentially along the guide rail. The axially driving unit includes second driving means for moving the arm axially of the tubular member. A transmission mechanism is provided for transmitting the operation of the second driving means to the arm.