Coating interior of pipe with flowable rubber composition by...

Details Coating interior of pipe with flowable rubber composition by... Coating interior of pipe with flowable rubber composition by...

B - Operations, Transporting

05

C

117/71, 32/22.5

B05C 7/08 (2006.01) B05D 7/22 (2006.01)

Patent

CA 1043644

Abstract of the Disclosure A process and apparatus are described for providing steel pipe with an elastomeric lining. A flowable composition, which is curable at room temperature to an elastomer, is spread onto the inside of a pipe by moving within the pipe an applicator which comprises a forward member in the form of a plate and attached thereto by rods a rearward member disposed to leave a space between the forward and rearward member, the rearward member having a frusto-conical peripheral surface, the frusto-conical surface converging in the forward direction, and being arranged to leave a gap of pre-determined size between its outer edge and the inside of the pipe, the flowable composition being supplied to the space between the forward and rearward members.

209025

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