B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
25/73
B28B 7/22 (2006.01) B28B 7/02 (2006.01) B28B 7/04 (2006.01)
Patent
CA 1289342
ABSTRACT Moulding process Apparatus for moulding prefabricated curved concrete sections for use in the construction of arched or vaulted structures comprises a curved, upwardly convex mould made up of a series of reusable substantially flat mould plates pivotally supported by vertical pillars of adjustable height. The mould plates are hingedly connected to each other such that, the angle of each plate to the adjacent plate is adjustable. The spacing between the vertical pillars is also adjustable, so that the mould plates provide a polygonal mould surface adjustable for moulding prefabricated concrete sections of different curvatures.
527719
Muelas-Medrano Santiago
Vidal Henri
Kirby Eades Gale Baker
Muelas-Medrano Santiago
Terre Armee Internationale
Vidal Henri
LandOfFree
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