F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 55/40 (2006.01) B08B 9/02 (2006.01)
Patent
CA 2171525
A method of making a rotationally symmetric pipe pig in which abrasive material is distributed to the periphery of the pipe pig by centrifuging the pipe pig. The pipe pig is cylindrical with a central axis and the pipe pig is centrifuged about its central axis. Such a pipe pig may also include a plurality of appendages disposed about and extending radially outward from the body of the pig. The combined cleaning function of the appendages and abrasive provides an efficient cleaning function.
Lambert Anthony R.
Sivacoe Orlande
LandOfFree
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