Device for scraping off deposits from internal surfaces of...

F - Mech Eng,Light,Heat,Weapons – 28 – G

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Details

257/1, 15/12.5

F28G 1/08 (2006.01) B01J 19/00 (2006.01) B08B 9/02 (2006.01) F28F 19/00 (2006.01) F28G 3/08 (2006.01)

Patent

CA 1132132

SPECIFICATION Title of the Invention: Device for Scraping off Deposits from Internal Surfaces of Elonga- ted Tubes Abstract of the Disclosure: Device for scraping off deposit from the internal wall sur- face of an elongated tube of relatively small diameter, comprising a helical coil spring which is installed inside the tube and adapted to be reciprocally movable and/or rotatable, said spring scraping off the deposit from the internal wall surface of the tube. - 1 -

334987

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