Toshiba Ceramics Co., Ltd.

Sumitomo Metal Industries, Inc.

Sumitomo Metal Indus., Ltd.

Hiroshi Hikima

Toshio Kawamura

Masamichi Asai

Kenichi Mukoyama

Takao Sugino

Akira Takahashi

Hiroshi Yamada

Shigeki Niwa

Etsuhiro Hasebe

Kazuo Itoh

Toshihiro Indoh

Masahiko Uchita

Tamotsu Wakita

Kohji Saitoh

The present invention provides a recycle slide gate plate, said slide gate plate being connected to a lower portion of a molten metal container and used for sliding a plate to control a flow of molten metal drained from the molten metal container, comprising an upper plate and/or a lower plate obtained by polishing a sliding surface of a slide gate plate used at least one time, at a predetermined smoothness tolerance, a tubular ring fixed to a through hole obtained by cutting out a molten metal outlet portion of the upper plate and/or the lower plate having a projecting portion on a side opposite to a sliding surface of the upper plate and/or the lower plate, said projecting portion having a total height of a sum of a height dimension substantially equal to a height of a projecting portion of a new plate before use and a thickness dimension to be reduced by polishing out the sliding surface, the projecting portion being provided with a molten metal outlet hole formed inside the projecting portion, and a cushion plate fixed to a flat surface in a side opposite to the sliding surface of the upper plate and/or the lower plate, having a thickness necessary for making a thickness dimension of a flat surface reduced by polishing the upper plate and/or the lower plate be substantially equal to a thickness of the flat surface before polishing.

Recycled slide gate plate

Disclosed herein are a refractory repairing material for repairing a brick comprising a mixture of 70 to 80 wt % of alumina having not more than 1 mm of grain size, which comprises 25 to 30 wt % of the above amount with a grain size not passing through a 325 mesh and 45 to 50 wt % of the above amount with a grain size passing through a 325 mesh; 1 to 7 wt % of carbonaceous material having a grain size passing through a 60 mesh; 1 to 5 wt % of magnesia having a grain size passing through a 325 mesh; and 10 to 25 wt % of aluminum phosphate, and a method of repairing a plate-like brick.

Repairing material of a brick and a method of repairing a brick

Repairing material of a brick

Growing community of inventors

Katori, Japan

Hiroshi Hikima