B - Operations – Transporting – 05 – C
Patent
B - Operations, Transporting
05
C
117/71, 32/22.5
B05C 7/08 (2006.01) B23K 9/04 (2006.01) C23C 4/16 (2006.01)
Patent
CA 1200156
ABSTRACT OF THE DISCLOSURE The present invention provides an apparatus for coating an internal wall of a curved conduit (50) with a layer of protective material, characterised in that it comprises a guide means (46,46a), a longitudinally flexible member (44) which is transversely substantially rigid associated with the guide means, means for mounting a coating means (62) adjacent a first end of the flexible member for incremental rotation with the flexible member, a drive means (28) for driving the flexible member relative to a curved conduit (50) to be coated, so that the coating means can enter the curved conduit in use and so that the coating means can deposit a strip of protective material longitudinally of the conduit, and means (32, 34, 36) acting on the flexible member for automatically stepping the flexible member and consequently the coating means by a rotational increment after the coating means has completed a traverse of the conduit and for automatically reversing the drive means so that the apparatus deposits a strip of protective material adjacent the first laid strip.
419205
Fetherstonhaugh & Co.
Kostecki Gene
LandOfFree
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