Injection mold, resin member, and method for producing resin product
AssigneeBridgestone Corporation
InventorsShunsuke HUKATSU, Kanji TANAKA, Yoichi NISHIMURO
Life of this patent
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Abstract
An injection mold including a gate and a cavity, where a weld portion is formed inside the cavity by injecting molten resin containing reinforcing fibers from the gate into the cavity; a cavity surface of the injection mold has a plurality of ridge portions 140 on a downstream side in a resin flow direction of the cavity, where the ridge portions extend in a direction intersecting a weld extending direction of the weld portion and protrude into the cavity; and the plurality of ridge portions are arranged at intervals from each other in a direction intersecting the weld extending direction and are arranged at intervals from each other in the weld extending direction.
Claims20
An injection mold comprising a gate and a cavity, wherein
- the injection mold is configured such that a weld portion is formed inside the cavity by injecting molten resin containing reinforcing fibers from the gate into the cavity,
- a cavity surface of the injection mold has a plurality of ridge portions on a downstream side in a resin flow direction of the cavity, where the ridge portions extend in a direction intersecting a weld extending direction of the weld portion and protrude into the cavity, and
- the plurality of ridge portions are arranged at intervals from each other in a direction intersecting the weld extending direction and are arranged at intervals from each other in the weld extending direction.
A resin member comprising a resin containing reinforcing fibers, and having a weld portion, wherein
- an outer surface of the resin member has a plurality of groove portions that extend in a direction intersecting a weld extending direction of the weld portion, and
- the plurality of groove portions are arranged at intervals from each other in a direction intersecting the weld extending direction and are arranged at intervals from each other in the weld extending direction.
Dependencies are inferred from the claim text.