Title:
射出成形金型、樹脂部材、及び、樹脂製品の製造方法
Document Type and Number:
Japanese Patent JP6782195
Kind Code:
B2
Abstract:
An injection mold including a gate and a cavity, where 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 ridge portion 140, which protrudes into the cavity, in a vicinity of an end portion on a downstream side in a resin flow direction of the cavity; and the ridge portion is distanced from the weld portion in a direction intersecting a weld extending direction of the weld portion, and extends in a direction intersecting the weld extending direction.
Inventors:
Shunsuke Fukatsu
Kanji Tanaka
Yoichi Nishimuro
Kanji Tanaka
Yoichi Nishimuro
Application Number:
JP2017110460A
Publication Date:
November 11, 2020
Filing Date:
June 02, 2017
Export Citation:
Assignee:
Bridgestone Corporation
International Classes:
B29C45/37; B29C45/00
Domestic Patent References:
| JP2016035310A | ||||
| JP6091707A | ||||
| JP2013103472A | ||||
| JP2014124785A | ||||
| JP2009526666A |
Attorney, Agent or Firm:
Kenji Sugimura
Mitsutsugu Sugimura
Yasuyuki Komatsu
Rei Ito
Mitsutsugu Sugimura
Yasuyuki Komatsu
Rei Ito