Molding apparatus with temperature compensating core rods

Details Molding apparatus with temperature compensating core rods Molding apparatus with temperature compensating core rods

B - Operations, Transporting

29

D

18/515, 18/708

B29D 23/03 (1980.01)

Patent

CA 1044417

MOLDING APPARATUS WITH TEMPERATURE COMPENSATING CORE RODS ABSTRACT OF THE DISCLOSURE This molding apparatus has a head which carries a plurality of core rods extending from the face of the head, and it has each core rod carried by a floating support that permits movement of the core rods closer together or further apart. Core rods are held in bushings which have flanges that maintain the core rods parallel to one another. The movement permits the spacing of the core rods to change as necessary to compensate for changes in the spacing of the mold cavities as temperature differences between the mold and the head that carries the core rods caused the core rods and mold cavities to have different center line spacings. -1-

217058

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