Importance

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Abstract

A molding installation for the production of bipartite-boxless foundry molds, comprises a molding machine with a molding station wherein a cope and a drag are simultaneously shaped and a conveying means by which the cope and the drag are conveyed along in a closed path from the molding station to a joining and stripping station where the cope and drag are recombined and from which they are removed together from the complete foundry mold with the empty molding boxes returned to the molding station while the boxless foundry mold is transferred to a casting line. At least one processing station is provided between the molding station and the joining and stripping station for conducting finishing work, such as the insertion of cores, on at least one of the two molds. The conveying means has linear conveying lanes which are arranges in a superimposed relationship (one above the other) along at least part of their lengths, the molding station and the joining and stripping station being located in the superimposed part of the lanes, an upper of the conveying lanes receives the copes and a lower of the conveying lanes receives the drags and at least the lower conveying lane is extended between the molding station and the joining and stripping station so as to enable inclusion of a number of required processing stations. In one embodiment, the upper lanes and lower lanes are constructed to cause the cope and drag to travel through like rectangular paths, while in other embodiments, the rectangular path through which the drags travel is extended relative to the path through which the copes travel.

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First Claim