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US 4,231,987 AGranted
Method of stripping a molded article
AssigneeTDK Electronics Co., Ltd.
InventorsMasayuki Osawa, Masaoki Sekine
Life of this patent
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Abstract
A molding method comprises a step of fitting a movable mold to a stationary mold and filling a molten resin into a cavity formed by the mold fitting; a step of separating the movable molds; a step of releasing a molded product held by one or more push pins while shifting the push pins; a step of holding the molded product by a guide having a ] shaped sectional view; and a step of releasing the molded product from the push pins to pass the molded product along the guide having a ] shaped sectional view.
Claims1
A molding method comprising the steps of:
- contacting a stationary mold with a movable mold to form a mold cavity, said mold cavity having at least one push pin extending therein by a slight distance;
- filling said mold cavity with molten resin to form a molded product;
- separating said stationary and movable molds;
- extending said at least one push pin to separate said molded product from said core;
- holding said separated molded product by said at least one push pin;
- moving a pair of oppositely oriented guide rails having ] shaped sections adjacent said molded products being held by said at least one pin;
- and
- retracting said at least one pin to release said molded product from said at least one pin whereby said molded product may be guided by said pair of guide rails.
5 more elements
Dependencies are inferred from the claim text.