Injection mold
AssigneeToshiba Kikai Kabushiki Kaisha
InventorsTakeshi Watanabe, Yasukiyo Fuke
Life of this patent
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Abstract
An injection mold having a pair of stationary and movable molding plates, a plurality of sidewalls moved by one or more hydraulic cylinder assemblies disposed between the stationary and movable molding plates through inclined guide pins or guide blocks, a core member provided with a slanting surface and secured to the movable molding plate inside the sidewalls, and slide core members being movable in engagement with the core member. The respective sidewalls, and the sidewalls and the slide core members are connected by a connecting mechanism including link plates and connection plates so that the sidewalls and the slide core members are substantially simultaneously moved by at least one of the hydraulic cylinder assembly.
Claims5
An injection mold comprising:
- a pair of stationary and movable molding plates;
- a plurality of sidewalls moved by one or more hydraulic cylinder means between said stationary and movable molding plates through guide means;
- a core member provided with a slanting surface and secured to said movable molding plate at an inside of said sidewalls;
- slide core members being movable in engagement with the first mentioned core member;
- and
- means for slidably connecting said sidewalls mutually and connecting said sidewalls and said slide core members so that said sidewalls and said slide core members are substantially simultaneously moved by at least one of said hydraulic cylinder means.
Dependencies are inferred from the claim text.