Kabushiki Kaisha Kobe Seiko Sho

Quiqley Company, Inc.

Hideo Matsui

Minoru Kitamura

Shuzo Ito

Masahiko Ohgami

Shinji Koyama

Toshiyuki Soejima

Hideaki Fujimoto

Isamu Hirose

Tsutomu Hayashi

Shigenori Fujisawa

Tsuyoshi Yasui

A slag-forming agent comprising an aggregate of particulate material having a maximum diameter of 3.0 millimeters and containing at least 15 weight percent magnesium oxide, the aggregate being coated with from 5 to 20 weight percent cement, and a process for producing the agent in which the particulate material is wetted with water to form the aggregate, the wet aggregate is coated with cement and the wet coated aggregate is solidified as such or after being molded.

Slag-forming agent and process for producing the agent

A blowing tuyere to be embedded in a bottom of side wall of a molten metal bath container for blowing a gas thereinto, the tuyere including a cylindrical core body fixedly located at the center of the tuyere and an outer tube fixed concentrically around the core body with a gap of a predetermined width to form an annular blowing passage therebetween.

Tuyere for blowing gases into molten metal bath container

Growing community of inventors

Hyogo, Japan

Hideo Matsui