Stripper plate assembly for an injection mold with core lock wedges
AssigneeStackteck Systems Limited
InventorRobert F. Rick
Life of this patent
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Abstract
A stripper assembly is provided for stripping a mold part from a core, extending from a core part of an injection mold where the core part has core lock wedges which is disposed thereabout for engaging a corresponding mold cavity and resisting outward movement of an outer edge of the mold cavity. The core lock wedges are spaced apart to provide respective openings between adjacent ends of the adjacent wedges. A stripper plate extends about the core and has acutator attachment regions extending through the openings.
Claims12
A stripper assembly for stripping a molded part from a core extending from a core part of an injection mold where said core part has core lock wedges disposed about said core for engaging a corresponding mold cavity to resist outward movement of an outer edge of said mold cavity and said core wedges are spaced apart to provide an opening between adjacent ends of adjacent wedges, said stripper assembly comprising:
- a stripper plate extending about a base of said core to engage a part formed on said core and being longitudinally movable relative to said core by an actuator connected to said stripper plate between a molding configuration in which said part is formed on said core and a stripping configuration for removing said part from said core;
- said stripper plate having actuator attachment regions extending through said openings between said core lock wedges to provide for attachment of said actuator thereto;
- said actuator being disposed laterally outwardly of said adjacent ends of core lock wedges to move said stripper plate between said molding and stripping configurations with said core part being mounted directly to a respective platen of an injection molding machine.
A method for stripping a part from a core extending from a core of an injection mold where said core part has core lock wedges disposed thereabout for engaging and resisting outward lateral movement of an outer end of a corresponding mold cavity, said core lock wedges being spaced apart to provide respective openings between adjacent ends of adjacent core lock wedges, said method comprising the steps of:
- (i) providing a stripper plate extending about a base of said core for engaging a part formed between said core, said cavity and said stripper plate;
- (ii) providing said stripper plate with actuator attachment regions which extend through said respective openings between adjacent of said core lock wedges;
- and,
- (iii) applying a stripping force to said actuator attachment regions laterally outwardly of said core to move said stripper plate longitudinally relative to said core with an actuator mounted ahead of a mounting face of said core portion and disposed laterally outwardly of said core.
Dependencies are inferred from the claim text.