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Manufacturing method of glass molded body and manufacturing apparatus of glass molded body

A glass forming and manufacturing method technology, applied in glass forming, glass pressing, glass manufacturing equipment and other directions, can solve problems such as poor lens shape, and achieve the effect of suppressing uneven temperature distribution

Active Publication Date: 2017-09-19
HOYA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is still a problem that shape defects (astigmatism) occur in the molded lens

Method used

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  • Manufacturing method of glass molded body and manufacturing apparatus of glass molded body
  • Manufacturing method of glass molded body and manufacturing apparatus of glass molded body
  • Manufacturing method of glass molded body and manufacturing apparatus of glass molded body

Examples

Experimental program
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Effect test

Embodiment Construction

[0027] Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

[0028] figure 1 It is a horizontal sectional view showing the structure of the manufacturing apparatus of the glass molded body of this embodiment, figure 2 yes figure 1 A sectional view along line II-II, image 3 is a vertical sectional view of the mold unit.

[0029] Such as figure 1 and figure 2 As shown, the manufacturing apparatus 1 of the glass molded object of this embodiment has: the outer casing 2, which is formed in a substantially cylindrical shape; the turntable 4, which is installed in the outer casing 2; Above the turntable 4 in the casing 2, the horizontal section is arc-shaped. The outer casing 2, the inner casing 6 and the turntable 4 are arranged coaxially.

[0030] The outer casing 2 defines a substantially cylindrical space inside, and has an opening 2A for carrying in and out the die unit 8 in a part of the side surface....

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PUM

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Abstract

Provided is a molded glass body manufacturing method which suppresses temperature distribution nonuniformity in the glass material and the mold unit in press processing. This molded glass body manufacturing method involves a heating step in which a glass material is heat processed in a heating chamber by means of a heater, a first and second press step in which the glass material is press-processed in a first and second press chamber while being heated by means of a heater, and a gradual cooling step in which the temperature of the molded body which has completed press processing is lowered in a first and second gradual cooling chamber while being adjusted by means of a heater, wherein in the first and second press steps, the glass material is press-processed twice, and between the two press processings, a mold unit (8) is rotated such that the angular position relative to the conveyance path of the mold unit (8) changes.

Description

technical field [0001] The present invention relates to the manufacturing method of glass forming body and the manufacturing device of glass forming body, particularly relate to the manufacturing device of the glass forming body that is provided with heater on both sides of the conveying path of heating chamber, molding chamber and slow cooling chamber, and use this to make A method of manufacturing a glass molded body of a device. Background technique [0002] In recent years, glass moldings such as lenses have been manufactured using equipment that places glass material in a mold, heats the glass material and the mold, and press-moldes the softened glass material through the mold to manufacture a glass molding. As a manufacturing device of such a glass molding, for example, in Patent Document 1 (Japanese Patent Publication No. 7-29779), a manufacturing device of a glass molding is disclosed: a heating chamber, a molding chamber, and a slow cooling chamber are arranged in a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03B11/12C03B11/02C03B11/16
CPCC03B11/02C03B11/125C03B11/16C03B2215/06Y02P40/57
Inventor 石岭刚志浅井英邦和田泰匡藤本忠幸山崎清钟
Owner HOYA CORP
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