Brushing – scrubbing – and general cleaning – Machines – With means to pass a solid cleaning agent and a fluid...
Patent
1993-07-06
1995-08-22
Roberts, Jr., Edward L.
Brushing, scrubbing, and general cleaning
Machines
With means to pass a solid cleaning agent and a fluid...
15104062, B08B 902
Patent
active
054428262
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.
REFERENCES:
patent: 2087414 (1937-07-01), Schaer
patent: 3278961 (1966-10-01), Svensson
patent: 4846259 (1989-07-01), Fujimoto et al.
patent: 5221047 (1993-06-01), Akeel
Koishi Yoshitaka
Matsui Osamu
Miwa Teiichi
Morimoto Kiyoshi
Murata Kazue
Kyowa Hakko Kogyo Co. Ltd.
Matsui Manufacturing Co., Ltd.
Roberts, Jr. Edward L.
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