Asahi Glass Company, Limited

Toshihiro Ohashi

Yutaka Segawa

Atsuyoshi Takenaka

Yuichi Yamamoto

Naoki Yoshida

Takahiro Murakami

Tsunehiko Sugawara

Masaru Yoshitake

Eiji Yanagisawa

Hiroshi Wakatsuki

Mikio Miyamoto

Hiroyuki Oiwa

Masuo Sugisaki

A glass forming mold comprising a mold having a molding surface, a chromium coating film formed on the molding surface and a silicon oxide film formed on the surface of the chromium coating film.

Glass forming mold

Glass bulb for a cathode ray tube and cathode ray tube

A mold for forming glass, which comprises a mold body made of stainless steel and having a mold surface comprising a sidewall portion and a face portion continuous from the sidewall portion, a coating film of ductile material formed on the sidewall portion, and a coating film of high hardness material having oxidation resistance, formed on the face portion.

Mold for forming glass and method for forming glass

A glass forming mold which comprises a substrate made of stainless steel and a coating comprising the following components formed as the outermost surface coating on the substrate: (1) from 40 to 94 wt % of nickel and/or cobalt as component A; (2) from 5 to 59 wt % of tungsten as component B; and (3) from 0.5 to 40 wt % of at least one transition element having a melting point of at least 2,200.degree. C. as component C.

Method for forming a glass product for a cathode ray tube

Growing community of inventors

Chiba, Japan

Toshihiro Ohashi