Process and apparatus for forming poured concrete walls

Details Process and apparatus for forming poured concrete walls Process and apparatus for forming poured concrete walls

1979-12-12

1982-01-05

Parker, Roscoe V.

Plastic and nonmetallic article shaping or treating: processes

Forming structural installations in situ

249 41, 81 3R, E04B 116, E04G 1108, E04G 1710, B25B 900

Patent

active

043093698

ABSTRACT:
Apparatus and process for forming or casting poured concrete walls involve form sections, tie bars for tying the form sections together in spaced-apart relation, which tie bars have opposed notches or cut-ins in opposite edges of the tie bars, or like areas or zones of weakness, so located that they are coincident with the interface between the form and the concrete therein, and a device which is adapted to fit over the end portions of the tie bars which are exposed when the form sections have been removed and which is adapted to apply force to the exposed end portion in the plane of the tie bar, one vector of which is applied to one narrow edge of the exposed end portion adjacent the zone of weakness and another like vector of which is applied in the opposite direction to the opposite narrow edge of the exposed end portion at a point remote from the zone of weakness and adjacent or near the free end of the exposed end portion. The device comprises a rigid member having a middle elongate portion, a handle at one end, and a receptor at the other end for receiving the exposed end portion of the tie bar and applying force to the exposed end portion as described when the handle is grasped and pressure is applied thereto to impart a torque thereto in the plane of the tie bar so that when sufficient torque is engendered, the exposed end portion is snapped off at the face of the wall.

REFERENCES:
patent: 1463077 (1923-07-01), Gandell
patent: 2074394 (1937-03-01), Hoffer
patent: 2887758 (1959-05-01), Clark
patent: 3722256 (1973-03-01), Iascone

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