Mitsubishi Heavy Industries Plastic Technology Co., Ltd.

Mitsubishi Heavy Industries Limited

U-mhi Platech Co., Ltd.

Hitoshi Onuma

Masanori Takahashi

Kosuke Ikeda

Takatoshi Matsushita

Toshihiko Kariya

Ryoji Okabe

Naoki Toda

Kentaro Hayashi

Masaya Mitake

Hiroyuki Yagita

Takeshi Yamaguchi

Katsuhiko Shoda

Munehiro Nobuta

Kiyoshi Kinoshita

Yuji Suzumura

The injection molding apparatus of the present invention includes: a heating cylinder; a screw that is provided rotatably in an inner portion of the heating cylinder; a resin feed hopper that feeds a resin pellet; and a fiber feed device that is provided ahead of the resin feed hopper and feeds reinforcing fibers into the heating cylinder. The screw includes a first stage that is located on a rear side, and in which the resin pellet is melted, and a second stage that is located on a front side, and in which the melted resin pellet and the reinforcing fibers are mixed, and a lead of a second flight provided in the second stage is larger than a lead of a first flight provided in the first stage.

Injection molding apparatus and injection molding method

Growing community of inventors

Tokyo, Japan

Hitoshi Onuma