Patent ID: 6817857
Filing Date: 2004-11-16
Classification: B28B

Abstract:
A main frame for a concrete block molding apparatus which is adapted to support column guides for parallel guiding of a mold and a retainer arrangement, the main frame comprising:a bottom frame member; a top frame member; and columns mutually connecting the bottom frame member to the top frame member to form a support of a vibration arrangement for a concrete product, for a retainer arrangement of an upper mold part, for a concrete hopper and for a filling arrangement associated with the molding apparatus; wherein the bottom frame member is formed of flame cut bottom plates arranged in parallel one above another and forming a basic shape of a bottom of the main frame, the bottom plates being interconnected by at least two uninterrupted longitudinal plates and a plurality of uninterrupted transverse plates extending between and connected to the longitudinal plates; and wherein the transverse plates are extended from one longitudinal plate to the other longitudinal plate.