Molding irregular objects

Details Molding irregular objects Molding irregular objects

B - Operations, Transporting

29

D

B29D 22/00 (2006.01) A61J 9/00 (2006.01) B29C 49/00 (2006.01) B29C 49/48 (2006.01) B29C 49/04 (2006.01)

Patent

CA 2133691

ABSTRACT This invention relates to molding irregular hollow thermoplastic objects having irregular shapes and particularly those having non-straight line centerlines. A mold is provided which comprises a cavity having a shape of the object and being dividing into two half molds by non-planar interfacing parting surfaces containing such non-straight line centerline. The molds are adapted to be separated while maintaining the centerlines co-planar. Means are provided for inserting a parison between the open half-molds with the parison co-planar to the center lines and means are provided for closing the molds while maintaining this co-planar relationship. Accordingly, the parison may be inserted into the cavity without the need for manipulating the parison relative to the mold.

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