US 5,939,104 A · Apparatus for forming a multilevel concrete product

Abstract

A mold box assembly includes a rectangular mold box frame having a substantially vertical divider plate mounted on the frame and extended part-way into it from an the upper side of the frame. A pair of rectangular restrictor plates are disposed vertically in the mold box from side to side and extend to the same depth as the divider plate. Wet product mix is dropped onto the box and is thereafter compressed with a shoe assembly. The shoe assembly includes a pair of shoes that extend from one side of the mold box to the other and have a thickness that allows them to be interleaved with the restrictor plates. The shoes are lowered to the lower edge of the restrictor plates. Simultaneously, another shoe mounted on the head plate compresses product on the other side of the divider plate so a higher level thus forming a header block having a first lower height formed beneath the restrictor plates and a second higher height formed on the other side of the divider plate.

Claims11

Dependent claims

A mold assembly for forming a multilevel molded product comprising:

a mold box frame;
a substantially vertical divider plate extending part way into the frame from an upper side thereof;
a first shoe for compressing product to a first level on a first side of said divider plate;
a second shoe for compressing product to the first level on the first side;
a third shoe for compressing product to a second level on a second side of said divider plate;
a substantially vertical restrictor plate mounted on the frame and extending substantially between said first and second levels;
and
a head plate positionable over said mold box frame and having each of the shoes operatively connected thereto, said first and second shoes being spaced apart from one another to permit them to straddle the restrictor plate when the head plate moves downwardly.

5 more elements

A mold box assembly comprising:

a mold box frame;
a partition plate separating the mold box frame into separate adjacent cavities;
a substantially horizontal head plate disposed over the mold box frame when said mold box assembly is in operative condition;
a first shoe associated with each cavity, said first shoe being mounted on said head plate and having a product compression surface, said first-shoe compression surface defining a first product dimension between a lower level of said mold box frame and the first-shoe compression surface;
a second shoe associated with each cavity, said second shoe being mounted on said head plate and having a product compression surface, said second-shoe compression surface being spaced from the lower level of said mold box frame by the first product dimension;
a third shoe associated with each cavity, said third shoe being mounted on said head plate and having a product compression surface, said third-shoe compression surface defining a second product dimension between the lower level of said mold box frame and the third-shoe compression surface;
a substantially vertical divider plate associated with each cavity and being mounted on said mold box frame, said plate extending part way into the cavity from an upper side thereof and having the first and second shoes on one side thereof and the third shoe on the other side thereof;
and
a substantially vertical restrictor plate mounted on said frame and having a lower surface that together with a lower surface of said vertical divider plate and said first shoe compression surface define a substantially continuous surface spaced from the lower level of said mold box frame by the first product dimension.

6 more elements

Dependencies are inferred from the claim text.

Apparatus for forming a multilevel concrete product

Life of this patent

Apparatus for forming a multilevel concrete product

Life of this patent

Abstract

Claims11