METAL FORM Russian patent published in 1998 - IPC

FIELD: construction machinery and equipment. SUBSTANCE: this relates to construction industry. Metal form has sides and pan with holes in the form of ellipse which is oriented with its large axis perpendicularly to axis of turning of panel during unshuttering. Dimension of small axis is made with plus allowance in relation to diameter of anchor. Dimension of large axis is determined from this relation: , where a - length of anchor part protruding from panel body and passing through pan; b - distance from axis of panel turning during unshuttering of panel up to anchor face opposite to axis of turning; c - distance from axis of panel turning during unshuttering of panel to anchor face directed to axis of turning. Aforesaid embodiment of metal form excludes destruction of concrete and deformation of anchors in production of panels. EFFECT: higher efficiency. 3 dwg