Apparatus for producing a molded article with a recess therein

Claim 1

In apparatus using a pallet for producing a molded article with a recess therein comprising a mold part adapted to form one side of a mold for an article, said mold part having an opening extending through one of its ends, pallet support means for supporting a pallet substantially horizontally under said mold part, conveying means for conveying a pallet in one direction along a substantially horizontal path to said pallet support means, an elongated tapered core, means mounting said core in a substantially horizontal position above said pallet support means, said mounting means permitting limited axial shifting of the core in reverse directions along a substantially horizontal path paralleling the path of said pallet conveying means, said core having an undersurface which is so disposed relative to said conveying means that it is frictionally engaged by a pallet conveyed to said pallet support means with the core being urged by such a pallet to move in one of said reverse directions, means mounting said mold part, and said pallet supporting means and core for relative vertical movement toward and away from each other, whereby with such moved together a pallet supported by said support means forms another side of the mold for an article and the core extends through said opening in the mold part, and power-operated shifting means detachably connectable to said core operable selectively to shift the core in the direction opposite its said one direction.