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US 10,336,642 B2Granted
Method for manufacturing formed glass and heating apparatus
AssigneeAGC Inc.
InventorsShingo Endo, Makoto Fujii, Satoshi Kanasugi, Shosuke Kimura
Life of this patent
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Abstract
A method for manufacturing a formed glass includes using a heating apparatus. The heating apparatus includes a heating element and a heat reservoir having a transmittance of 50% or more in a wavelength of 0.5 μm to 2.5 μm. The heat reservoir is arranged between the heating element and a glass substrate as an object to be heated. The glass substrate is heated with the heating element, and the glass substrate is formed into a desired shape.
Claims13
A method for manufacturing a formed glass, the method comprising:
- heating a glass substrate;
- and
- forming the glass substrate into a desired shape,
- wherein the heating of the glass substrate comprises:
- applying an electric current to a heating element to heat a heating reservoir having a transmittance of 50% or more in a wavelength of 0.5 μm to 2.5 μm by heat from the heating element;
- placing the glass substrate such that the heat reservoir is positioned between the heating element and the glass substrate;
- heating a glass substrate by heat from the heating reservoir without applying the electric current to the heating element,
- subsequently applying the electric current to the heating element to heat the glass substrate by heat from the heating element and from the heating reservoir.
5 more elements
A heating apparatus comprising:
- a heating element;
- a heat reservoir having a transmittance of 50% or more in a wavelength of 0.5 μm to 2.5 μm, and positioned between the heating element and a glass substrate to be heated;
- and
- a switch programmed to select on or off of the heat element depending on a temperature of the glass substrate to be heated.
1 more element
Dependencies are inferred from the claim text.