Mold and Mold Hoisting Apparatus for Building Concrete Walls.
Description:
Patent for a new and improved apparatus for hoisting concrete. This design consists in "[t]he combination of shaft, drum, rope, and bar with the mold formed of [the] plank and with [the] frame . . . [t]he planks of the mold, made with rabbeted ends and provided with clamps . . . [and] [t]he combination of angle-pieces, bars, and clamping-screws with the mold-planks . . . [and] [t]he combination, with the planks of a concrete-mold having beveled ends, of angle-pieces, also having beveled-ends, a…
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Date:
January 6, 1885
Creator:
Carrico, Thomas W.
Item Type:
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Patent