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
1990-10-05
1992-02-25
Woo, Jay H.
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...
425440, 425441, 425577, 425DIG58, 249 59, 249179, 249180, 249184, B29C 3342, B29C 3348, B29D 100
Patent
active
050908880
ABSTRACT:
A die casting mold part, which may be mounted on or applied to a die casting mold to provide for the molding and shaping of a variety of projections from the molded article and a simple and sure release from the mold of such projections including a plurality of projections lying closely adjacent to one another and extending outside the mold separation plane. The mold part includes segments, which are received in a bore that guides them and holds them together to form a die casting cavity, the segments together thus forming a mold at one of their ends. On their opposite end they flare outwardly and are mounted pivotally on a central control shaft so that they are caused to be opened where together they formed a mold, by relative movement between the control shaft and bore.
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patent: 4956142 (1990-09-01), Mangone et al.
Albright Penrose L.
Nguyen Khanh P.
Woo Jay H.
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