B - Operations – Transporting – 24 – C
Patent
B - Operations, Transporting
24
C
189/12, 26/155,
B24C 3/32 (2006.01) B05D 3/12 (2006.01) B05D 7/22 (2006.01) F16L 58/10 (2006.01)
Patent
CA 1311912
ABSTRACT There is provided a new and useful method for the repair of installed conduits characterized by the following method steps: drying of the inside of the line by flow-through of pre-dried compressed air, removal of interior coatings by flow-through of a mixture of compressed air and particles of an abrasive medium with a mean exterior diameter of > 0.8 mm and a specific weight of > 3.0 g ? cm-3 in an amount of >1.0 g ? Nm-3, the mixture flowing through the line with a mean speed of > 10 m ?s-1, relative to normal pressure, and blowing out the line by means of pre-dried compressed air.
571706
Naf Werner
Ridout & Maybee Llp
LandOfFree
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