Heater, device for manufacturing glass product, and method for manufacturing glass product
A technology for manufacturing devices and heaters, which is applied in glass manufacturing equipment, ohmic resistance heating devices, electric heating devices, etc., and can solve problems such as large-scale power supply devices
Pending Publication Date: 2020-12-29
ASAHI GLASS CO LTD
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- Abstract
- Description
- Claims
- Application Information
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Problems solved by technology
However, it is also difficult to use this heater by heating it to a high temperature of 1200°C or higher.
Patent Document 3 describes a heater that is supposed to be immersed in molten glass, but it is necessary to pass a large current to the heater, and as a result, there is a problem that a large-scale power supply device is required.
Method used
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[0270] Hereinafter, examples of the present invention will be described.
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Abstract
Provided is a heater having an electroconductive heat-generating member for irradiating heat rays by being energized, a metal cylindrical member for housing the heat-generating member, and an intermediate member disposed between the heat-generating member and the cylindrical member and composed of an electrically insulating material, wherein the intermediate member is arranged and / or configured such that at least light having a wavelength of 1 [mu]m to 2 [mu]m out of the heat rays irradiated from the heat-generating member is not blocked from reaching the cylindrical member.
Description
technical field [0001] The present invention relates to a heater, a glass article manufacturing device, and a glass article manufacturing method. Background technique [0002] Conventionally, heaters are used as heat sources in melting furnaces for melting metals such as aluminum. [0003] For example, Cited Document 1 describes a heater configured by introducing a coil-shaped heating element and an insulating powder material into a ceramic protection tube. In addition, Cited Document 2 describes a heater configured by introducing a coil-shaped resistor and a heat-resistant material into a metal sheath. In addition, Cited Document 3 describes an electric device that supplies heat to molten glass by passing electricity through a ring-shaped tube made of platinum. [0004] Patent Document 1: Japanese Patent Laid-Open No. 2001-124477 [0005] Patent Document 2: Specification of US Patent No. 4319127 [0006] Patent Document 3: Japanese Patent Publication No. 59-19893 [00...
Claims
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Login to View More IPC IPC(8): H05B3/06F27D11/02H05B3/50H05B3/64
CPCH05B3/64H05B3/50H05B3/06H05B3/0038C03B5/033C03B5/2356C03B18/02F27D11/02C03B7/07H05B3/0033C03B5/04C03B25/08H05B3/10H05B3/44H05B2203/025
Inventor 前原辉敬丹羽章文兵头俊太郎榎本高志山崎健史土井洋二罗格·保利劳伦斯·基恩
Owner ASAHI GLASS CO LTD