Pig for use in cleaning the interior wall of a pipeline

Details Pig for use in cleaning the interior wall of a pipeline Pig for use in cleaning the interior wall of a pipeline

B - Operations, Transporting

08

B

B08B 9/04 (2006.01)

Patent

CA 2141781

A cleaning pig for use in a pipeline to be moved through the pipeline by the flow of fluid therethrough, the pig being formed of a cylindrical body of foam plastic material, the body having a cylindrical surface and the cylindrical surface having shallow depth channels formed in parallelled spiraled patterns. An elongated cleaning member is positioned in each of the channels. Each of the cleaning members has an integral substratum of a width less than the width of a channel and each of the cleaning members has integral upstanding spaced apart studs projecting from the substratum upper surface, the studs each having a top surface that extends above the pig body external cylindrical surface, the substratum lower surface being bonded to the cylindrical body. The upstanding studs each has a top surface to non-abrasively contact and clean the interior surface of a pipeline.

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