399 River Road
Hudson, MA 01749

Toll Free: 877-563-1912
Phone: 978-562-4488
Fax: 978-562-3660

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Standard Collapsible Cores

Roehr's Collapsible Core is a major breakthrough for molding plastic
parts requiring internal threads, undercuts, protrusions or cut-outs.
The patented design incorporates only three moving parts, which utilize conventional mold movements.

In addition to being automatic in operation, the Collapsible Core enables
one to produce parts that, until now, have been considered impossible to
mold. Parts with internal protrusions, dimples, interrupted threads and
cutouts can now be economically produced on a high or low volume
basis.  Cycle time can decrease up to 30% when compared to unscrewing
or other complex actuating mechanisms.

Full technical details, including basic stripper plate mold construction, core grinding and mold base machining dimensions are available in our downloadable Technical Data Book.

Standard Core Animation Click Here

Click Here to Select a Core Size and Download CAD Data Files