Collapsing core part retainer sleeve
AssigneeProgressive Components International Corporation
InventorsALAN PATRICK HICKOK, DAVID CHARLES HELENIUS
Life of this patent
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Abstract
An injection molding tool having a collapsible core which is movably mounted with respect to a mold plate. The mold plate is movably mounted with respect to a stripper plate that can be used to eject or remove the molded part from the injection molding tool. A retainer is fixedly positioned with respect to the mold plate so that it contacts at least a portion of a molded part when in a mold position. The retainer can be a sleeve with a through opening within or through which the collapsible core is mounted.
Claims28
In an injection molding tool having a collapsible core assembly movably mounted with respect to a mold plate, and the mold plate movably mounted with respect to a stripper plate that removes a molded part, the improvement comprising:
- a retainer fixedly positioned with respect to the mold plate, and in a mold position the retainer contacting at least a portion of the molded part.
In an injection molding tool having a collapsible core assembly, the improvement comprising:
- a retainer mounted with respect to a mold plate, and in a mold position the retainer having a retention part contacting at least a portion of the molded part.
An injection molding tool comprising:
- a collapsible core assembly movably mounted with respect to a mold plate, the mold plate movably mounted with respect to a stripper plate, a retainer fixed with respect to the mold plate, and in a mold position the retainer forming at least a portion of a cavity housing a molded part.
A method for making a molded part with an injection molding tool comprising:
- movably mounting a collapsible core assembly with respect to a mold plate, movably mounting the mold plate with respect to a stripper plate, fixing a retainer with respect to the mold plate, and in a mold position of the injection molding tool forming the molded part with a retainer positioned between the collapsible core and the molded part.
Dependencies are inferred from the claim text.