Articulated mold for objects having undercut parts

Details Articulated mold for objects having undercut parts Articulated mold for objects having undercut parts

1978-11-20

1980-06-24

Derrington, James. H.

Static molds

Container-type molding device

Having plural mold sections

249 63, 249161, 264318, 425441, 425442, 425443, 425DIG5, B29C 114

Patent

active

042091608

ABSTRACT:
Articulated mold for the manufacture of molded objects having opposed undercut parts comprises two dies whose parting surface passes between the opposed undercut parts of the molded object. In each die there are provided shells composed of segments which can be displaced by pushers in order to open the mold and eject the molded object.

REFERENCES:
patent: 2859478 (1958-11-01), Glasson
patent: 3289252 (1966-12-01), Bromley
patent: 3373460 (1968-03-01), Ladney

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