Patent ID: 6106269
Filing Date: 2000-08-22
Classification: B29C

Abstract:
A vacuum injection press, comprising:a) a frame structure defining a sealable molding chamber, said chamber having at least one access opening by which molded products are removed;b) a door assembly movable between open and closed positions, and operative to block access to said chamber when in a closed position;c) first and second bolsters for supporting first and second mold portions within said sealable molding chamber;d) means mounting one of said bolsters for movement towards and away from said other bolster;e) fluid pressure operated means for maintaining clamping contact between said first and second mold portions when said one bolster is moved to a clamped position with respect to said second bolster;f) an injection molding unit located outside of said chamber for providing molding compound to a cavity defined by said mold portions;g) means for delivering said molding compound from said injection unit to said cavity defined by said mold portions; and,h) a source of vacuum for connection to said molding chamber whereby said mold portions are subject to vacuum during a molding cycle.