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US 10,646,904 B2Granted
Cleaning device, method and use for cleaning a pipe
AssigneePicote Solutions Oy Ltd.
InventorMika Lokkinen
Life of this patent
Estimating the term…
Abstract
The cleaning device is for cleaning the inner surface of pipes. The method is for manufacturing the cleaning device and the use is of a vehicle anti-skid chain for cleaning the inner surface of a pipe. The cleaning device has a sleeve, to which are attached studded chains composed of steel links and surface hardened.
Claims4
A cleaning device for cleaning the inner surface of a pipe, the device comprising:
- at least one sleeve arranged to be rotated as well as chains composed of links, which are attached to said at least one sleeve from at least one link, and to which links are attached studs, said links and studs are made of steel, which is surface hardened;
- and
- wherein the cleaning device comprises two sleeves as well as two chains composed of links, which chains are attached by welding to the sleeves by attaching the link at the end of each chain to one sleeve and the link at the opposite end of the chain to the other sleeve.
Dependencies are inferred from the claim text.