F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 58/06 (2006.01) B28B 7/46 (2006.01) B28B 13/04 (2006.01) B28B 19/00 (2006.01) B28B 21/06 (2006.01) B28B 21/42 (2006.01)
Patent
CA 2074475
An apparatus for coating the outer surface of an elongated body (10), such as a rod or tube, with a layer of concrete (30) comprises a frame structure (21). Pipe or tube sections (10) may be supplied to a tilting device (27) in a horizontal position on a carriage (12) and tilted to a vertical position within the tower-like frame structure (21). The apparatus comprises means (24, 27) for retaining the elongated body (10) in the upright position within the frame structure and an annular mould (26) for surround- ing the upright elongated body so as to define an annular space between the elongated body and the annular mould, and concrete may be fed to the annular mould space by feeding means (28, 29). The mould may comprise an upper funnel-like part, which is rotatable about the axis of the annular mould relative to the remaining part of the mould so as to distribute the concrete mixture peripherally in the annular mould space. The moulded concrete layer may be exposed to vacuum by means of a skirt-like vacuum chamber, whereby free water may be withdrawn from the concrete layer.
Mccarthy Tetrault Llp
Wasco Coatings Limited
LandOfFree
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