Plastic article or earthenware shaping or treating: apparatus – Shaping surface including means to release or remove product... – By means releasing article from interiorly placed shaping...
Patent
1982-12-27
1985-08-06
Hoag, Willard E.
Plastic article or earthenware shaping or treating: apparatus
Shaping surface including means to release or remove product...
By means releasing article from interiorly placed shaping...
249142, 249152, 249180, 425443, 425DIG5, 425DIG58, B29C 106, B29F 1022
Patent
active
045333122
ABSTRACT:
A collapsible mold core having plural can actuated members surrounding a conical central core member, the members surrounding the central core member having slidable pins connecting adjacent members and molding apparatus including the core.
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Hoag Willard E.
Pigott, Jr. Charles F.
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