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. 22, 1995
Filed:
Jul. 06, 1993
Kazue Murata, Hirakata, JP;
Hiroshi Tada, Hirakata, JP;
Yoshitaka Koishi, Hirakata, JP;
Osamu Matsui, Osaka, JP;
Kiyoshi Morimoto, Mishima, JP;
Yoshika Sanada, Shizuoka, JP;
Teiichi Miwa, Mishima, JP;
Matsui Manufacturing Co., Ltd., Osaka, JP;
Kyowa Hakko Kogyo Co., Ltd., Tokyo, JP;
Abstract
The invention disclosed a method for cleaning a pipe in the inside comprising steps of inserting a pig into a pipe, and reciprocally moving the pig thereafter by aerial vibration to clean the inside of pipe. An apparatus for cleaning a pipe in the inside comprises a pig removably inserted into a pipe from an end side thereof and a vibration generating source for transferring the pig in reciprocal motion by means of aerial motion to clean the inside of pipe.