Resin molded product and method for producing resin molded product
AssigneeKoito Manufacturing Co., Ltd.
InventorsAkira Watanabe, Takahiro Kohata, Toshimasa Ikeda
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Abstract
A resin molded product (10) includes a resin molded product main body (11), and a protrusion (12) integrally formed with the resin molded product main body (11) and protruding from the resin molded product main body (11). At injection molding of the resin molded product (10), molten resin flows through a portion (C-1) corresponding to the protrusion (12) in a cavity (C) defined by a pair of molds (20, 30). A concave portion (14) is formed on a rear side of the protrusion (12), and a bulging portion (12a) having a hollow bag shape is formed on a front side of the protrusion (12).
Claims6
A resin molded product comprising:
- a resin molded product main body formed in a flat plate shape;
- and
- a protrusion integrally formed with the resin molded product main body and protruding from a central portion of the flat plate shape of the resin molded product main body, the flat plate shape surrounding all sides of the protrusion,
- wherein during injection molding of the resin molded product, molten resin flows through a portion corresponding to the protrusion in a cavity defined by a pair of molds,
- wherein a concave portion is formed on a rear side of the protrusion and extends into the protrusion,
- wherein a bulging portion having a hollow bag shape is formed on a front side of the protrusion, and
- wherein a gate trace is offset by a distance from the protrusion.
A resin molded product comprising:
- a resin molded product main body formed in a flat plate shape;
- a protrusion integrally formed with the resin molded product main body and protruding from a central portion of the flat plate shape of the resin molded product main body, the flat plate shape surrounding all sides of the protrusion;
- and
- a gate trace that is offset by a distance from the protrusion,
- wherein a concave portion is formed on a rear side of the protrusion and extends into the protrusion, and
- wherein a thickness of the protrusion is substantially same as a thickness of a part of the resin molded product main body in a vicinity of the protrusion.
Dependencies are inferred from the claim text.