Method and apparatus for forming concrete products

  • US 5,807,591 A
  • Filed: 09/11/1996
  • Issued: 09/15/1998
  • Est. Priority Date: 07/28/1994
  • Status: Expired due to Term
First Claim
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1. A mold box for forming concrete products comprising:

  • a mold assembly having a body with a front wall and a back wall joined together with side walls forming cavities for receiving and molding the concrete products, the walls forming a mold assembly top side, bottom side and a given height; and

    a head assembly having multiple shoes shaped for slidingly inserting through the top side into the cavities for compressing the concrete products into a molded condition and pushing the molded concrete products out the bottom side, the shoes slidingly removable back out the top side allowing the mold assembly to receive and mold additional concrete products;

    the front and back walls of the mold assembly sized for bridging across a pair of shelves on a concrete product forming machine allowing the side walls to sit directly on top of the shelves, the side walls each including alignment holes extending up from a bottom side end for slidingly receiving alignment dowels extending up from the shelves thereby holding the mold assembly in a prealigned position before bolting the mold assembly to the shelves.

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