Agc Inc.

Shuntaro Hyodo

Takashi Enomoto

Terutaka Maehara

Akifumi Niwa

Yoji Doi

Roger Pauli

Lawrence Keen

Takeshi Yamazaki

Yukihito Akita

A method of producing a melt includes contacting a first heating element directly with an inside of a solid-liquid mixture layer including a batch raw material of glass and a mixture of solid and liquid phases denatured from the batch raw material to apply thermal energy to the solid-liquid mixture layer by heat transfer from the first heating element, supplying the batch raw material from the above of the solid-liquid mixture layer, and continuously producing a liquid phase melt with a bulk density greater than that of the solid-liquid mixture layer in a lower layer in contact with the solid-liquid mixture layer.

Method of producing melt, method of producing glass article, melting apparatus, and equipment for producing glass article

A heater for melting glass includes: a heating member containing carbon (C) configured to emit heat rays upon power feeding; and a tubular member made of metal configured to have one end closed, and to house the heating member. The heating member includes a first heat generating part and a second heat generating part along an extending axis direction of the heater, and the first heat generating part is arranged at a position closer to the one end of the tubular member than is the second heat generating part. Denoting a unit-length resistance of the first heat generating part along the extending axis direction by X (Ω/m), and denoting a unit-length resistance of the second heat generating part by Y (Ω/m),( 1/30)<(½)  Formula (1)is satisfied.

Heater for melting glass

According to the present invention, provided is a heater including a heat generating member being conductive and configured to radiate heat rays by being fed with electric power, a tubular member constituted by a metal and accommodating the heat generating member, and an intermediate member arranged between the heat generating member and the tubular member and constituted by an electrically insulating material, wherein the intermediate member is arranged and/or configured to allow, among the heat rays radiated from the heat generating member, at least light having a wavelength of from 1 μm to 2 μm to pass through the intermediate member to reach the tubular member.

Heater, manufacturing apparatus for manufacturing glass article, and manufacturing method for manufacturing glass article

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Tokyo, Japan

Shuntaro Hyodo