Patent ID: 6575727
Filing Date: 2003-06-10
Classification: B28B,B28D

Abstract:
An apparatus for roughing at least one of surfaces and edges of solid concrete casted blocks, comprising:a block support surface having at least two surface sections extending across the width of a travel path of a plurality of said blocks being conveyed over said surface sections, said surface sections having a straight front edge and a rear end edge disposed parallel to one another, a first of said surface sections having said read end edge thereof disposed above an adjacent front end edge of a second of said surface sections to create a space for projecting a leading edge portion of concrete blocks conveyed over said first surface section down to said second surface section; a roughing device disposed a predetermined distance above said block support surface and having a plurality of impacting elements thereon for roughing concrete casted blocks in a non-uniform fashion, said first roughing device being disposed generally above said rear end edge of said first surface section for abrading a projecting leading transverse edge portion of each said concrete casted block as they are conveyed over said rear end edge; and conveying means for displacing concrete blocks over said first and second surface sections, said casted blocks being titled when reaching a predetermined position over said space to fall on a second of said two surface sections at said straight front edge thereof.