Static molds – Uniting preform with molding material – Including means other than mold surface to support preform
Patent
1987-08-13
1988-11-15
Hoag, Willard
Static molds
Uniting preform with molding material
Including means other than mold surface to support preform
249108, 425116, 425117, 425817R, B29C 3312
Patent
active
047843667
ABSTRACT:
An improved mold assembly which has a cavity mold part and a cover which form a space into which foam precursors are poured and the cover carries a mold insert which is bonded to the foam formed in the mold space; the cover carries a pour spout and a seal for preventing foam leakage from the space wherein the improvement comprises: means including a pour hole and a rotatable tube extending through said pour hole for defining a pour spout having an inboard end located within the space when the mold assembly is closed; seal means in surrounding sealing relationship with said inboard end of said rotatable tube; and means operative when the cover is closed and when the tube is located in the pour space for holding the insert within a desired variation of a designed location in said space and for holding the insert against said seal means to prevent foam leakage through the pour hole.
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Davidson Textron Inc.
Evans John C.
Hoag Willard
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