Page 414 Advertisement 2

Progress, Volume XIV, Issue 5, 1 January 1919, Page 414

Reinforced Concrete Walls. —A patent, No. 6580, has been taken out by P. A. Winter, New Jersey, U.S.A., to construct hollow concrete walls, the outer forms 24 are stiffened by angle-iron 25 and are secured by wedges 26 to spacing ties 27, which are kinked at 22 to receive the longitudinal reinforcing bars 23. The inner forms 29 are slotted to rest on the ties 27 and are covered by a hood 33, which is used with the hopper 34 when tilling the mould. The forms 24 may have vertical flanged joints, to which stirrups for supporting a scaffolding plank may be secured. In forming corners, angle-plates are secured to the inner forms by hook clamps. The forms may be secured to a loopended tie by a beak-nosed clamp, which is tightened by a wedge. 6580118 „ 7 figures, IS claims.