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US 5,035,021 AGranted
Scraper for liquid distribution pipes, especially for petroleum products
AssigneeFMC Corporation
InventorEugene Le Devehat
Life of this patent
Estimating the term…
Abstract
A pipeline scraper comprising an elongated body defined by two complementary parts that form end portions and a reduced cross-section central portion, two wear segments surrounding and mounted on the central portion adjacent the end portions, and threaded means releasably fastening the components together.
Claims18
A bidirectional scraper for a liquid distribution pipe, comprising an assembly including:
- a) an elongated body defined by two complementary parts forming end portions and a reduced cross-section central portion;
- b) a pair of removable wear segments surrounding and mounted on the reduced central portion, one segment adjacent one end portion and the other segment adjacent the other end portion;
- and
- c) fastening means releasably connecting together the body parts and the wear segments, said fastening means comprising a nut fastened to one of the body parts and a bolt extending through and retained by the other body part.
1 more element
Dependencies are inferred from the claim text.