B - Operations – Transporting – 28 – B
Patent
B - Operations, Transporting
28
B
25/23, 25/52
B28B 21/52 (2006.01) B28B 1/08 (2006.01)
Patent
CA 1259472
Abstract of the Disclosure A ram casting machine for the fabrication of concrete slabs which is movable on a casting bed. The machine incorporates a feed hopper and a concrete flow channel with ram numbers cyclically reciprocated therein in opposite directions for generating internal pressure in the cast concrete. Each ram member including at least one wedge-shaped surface assembly having first and second inclined annular surfaces, with the entrance to the concrete flow channel and having a steeper inclination than the second inclined annular surface.
490215
Kirby Eades Gale Baker
Rakennusvalmiste Oy
LandOfFree
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