초록 ▼

A portable concrete molding apparatus for forming concrete structures of a predetermined configuration, either on-site or at a central manufacturing facility. The apparatus includes a trailer having furnace plenum bounded by a pair of fixed walls. Each fixed wall cooperates with a movable wall for f

A portable concrete molding apparatus for forming concrete structures of a predetermined configuration, either on-site or at a central manufacturing facility. The apparatus includes a trailer having furnace plenum bounded by a pair of fixed walls. Each fixed wall cooperates with a movable wall for forming a mold therebetween. Each movable wall includes a concrete inlet for introducing concrete into the bottom portion of the mold. The fixed and movable walls include push-off valves for ensuring separation of a concrete structure from the mold walls, as the mold walls are separated.

대표청구항 ▼

[ What is claimed is:] [15.] A portable concrete molding apparatus, comprising:(a) a portable trailer having a longitudinal axis;(b) a first fixed wall affixed to the trailer, the first fixed wall including an outer substantially planar mold surface and a second plenum surface;(c) a second fixed wal

[ What is claimed is:] [15.] A portable concrete molding apparatus, comprising:(a) a portable trailer having a longitudinal axis;(b) a first fixed wall affixed to the trailer, the first fixed wall including an outer substantially planar mold surface and a second plenum surface;(c) a second fixed wall affixed to the trailer parallel to the first fixed wall and spaced apart from the first fixed wall by a given distance, the second fixed wall including an outer substantially planar mold surface and a second plenum surface, wherein the plenum surface of the second fixed wall opposes the plenum surface of the first fixed wall;(d) a housing extending between the first fixed wall and the second fixed wall to form a furnace plenum therebetween, the furnace plenum including a return duct the furnace plenum having an inlet exposed to the first plenum surface and the second plenum surface, and an outlet exposed to the return duct;(e) a heater having an inlet and an outlet, wherein the heater outlet is fluidly connected to the furnace plenum inlet and the heater inlet is fluidly connected to the furnace plenum outlet to form a substantially closed fluid circuit between the heater and the furnace plenum;(f) a plurality of transverse channels connected to the trailer transverse to the longitudinal axis;(g) a first set of transverse beams slideably disposed within the transverse channels;(h) a second set of transverse beams slideably disposed within the transverse channels;(i) a first movable wall connected to the first set of transverse beams for movement relative to the first fixed wall between a casting position adjacent the mold surface of the first fixed wall for forming a first mold therebetween and a discharging position remote from the first fixed wall, the first mold including a first concrete inlet for introducing concrete into the first mold; and(j) a second movable wall connected to the second set of transverse beams for movement relative to the second fixed wall between a casting position adjacent the mold surface of the second fixed wall for forming a second mold therebetween and a discharging position remote from the second fixed wall, the second mold including a second concrete inlet for introducing concrete into the second mold.