METHOD OF MANUFACTURE OF REINFORCED CONCRETE MULTICAVITY ARTICLES Russian patent published in 1998 - IPC

FIELD: manufacture of multicavity plates, floors. SUBSTANCE: multicavity plates are manufactured by installation on bottom of side equipment; introduction of punches; installation and locking in places of formation of slinging apertures of vertical box-shaped on punch with gap between its side walls and adjacent punches; concreting ; removal of punches and aperture-forming members; and heat treatment with subsequent removal of article from bottom by slinging grip. Slinging grip is made in form of longitudinal load-bearing member which is brought into aperture and hollow channel, first, with its one end, and then, with its other end up to engagement of it by upper article shelf. EFFECT: higher efficiency. 4 dwg