JP2015078099A5 - - Google Patents
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- Publication number
- JP2015078099A5 JP2015078099A5 JP2013217103A JP2013217103A JP2015078099A5 JP 2015078099 A5 JP2015078099 A5 JP 2015078099A5 JP 2013217103 A JP2013217103 A JP 2013217103A JP 2013217103 A JP2013217103 A JP 2013217103A JP 2015078099 A5 JP2015078099 A5 JP 2015078099A5
- Authority
- JP
- Japan
- Prior art keywords
- diameter portion
- inner diameter
- glass
- pipe
- molten glass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011521 glass Substances 0.000 claims 9
- 239000006060 molten glass Substances 0.000 claims 7
- 238000000465 moulding Methods 0.000 claims 5
- 238000004519 manufacturing process Methods 0.000 claims 3
- 238000010438 heat treatment Methods 0.000 claims 1
- 230000003287 optical Effects 0.000 claims 1
Claims (7)
前記拡径部の下端縁の内面に、先端に向かって内径が縮小する縮径部が形成されている、ガラス流出装置。 A pipe in which a constant diameter portion having a constant inner diameter extending in the vertical direction and a diameter increasing portion having a shape in which the inner diameter expands toward the lower end is formed continuously in the flow path through which the molten glass flows. A glass outflow device for flowing out molten glass,
A glass outflow device in which a reduced diameter portion whose inner diameter decreases toward the tip is formed on the inner surface of the lower end edge of the enlarged diameter portion.
前記熔融ガラスが流れる流路に、一端に向かって内径が拡がる形状を有する拡径部と、前記拡径部の他端側に連続して延びる内径が一定の一定径部と、が形成され、 In the flow path through which the molten glass flows, an enlarged diameter portion having a shape in which an inner diameter expands toward one end, and a constant diameter portion having a constant inner diameter extending continuously to the other end side of the enlarged diameter portion, are formed.
前記拡径部の前記一端側の縁の内面に、前記一端に向かって内径が縮小する縮径部が形成されている、ガラス流出パイプ。 A glass outflow pipe in which a reduced diameter portion whose inner diameter decreases toward the one end is formed on the inner surface of the edge on the one end side of the enlarged diameter portion.
前記パイプの下端縁の内面に、先端に向かって内径が縮小する縮径部を形成しておく、ガラス流出方法。 A pipe in which a constant diameter portion having a constant inner diameter extending in the vertical direction and a diameter increasing portion having a shape in which the inner diameter expands toward the lower end is formed continuously in the flow path through which the molten glass flows. A glass outflow method for flowing out molten glass,
A glass outflow method in which a reduced diameter portion whose inner diameter decreases toward the tip is formed on the inner surface of the lower end edge of the pipe.
前記プリフォームを加熱するステップと、
前記加熱されたプリフォームをプレス成形するステップと、
を備える、光学素子の製造方法。 A step of producing a press-molding preform by the method for producing a press-molding preform according to claim 6 ;
Heating the preform;
Press-molding the heated preform;
A method for manufacturing an optical element.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013217103A JP2015078099A (en) | 2013-10-18 | 2013-10-18 | Glass outflow device, glass outflow method, method of manufacturing preform for press molding, and method of manufacturing optical element |
| CN201410548777.1A CN104556635A (en) | 2013-10-18 | 2014-10-16 | Glass discharging device and method, and manufacturing method of pre-moulding parison and optical elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013217103A JP2015078099A (en) | 2013-10-18 | 2013-10-18 | Glass outflow device, glass outflow method, method of manufacturing preform for press molding, and method of manufacturing optical element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2015078099A JP2015078099A (en) | 2015-04-23 |
| JP2015078099A5 true JP2015078099A5 (en) | 2016-12-08 |
Family
ID=53009900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013217103A Pending JP2015078099A (en) | 2013-10-18 | 2013-10-18 | Glass outflow device, glass outflow method, method of manufacturing preform for press molding, and method of manufacturing optical element |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2015078099A (en) |
| CN (1) | CN104556635A (en) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0234525A (en) * | 1988-07-22 | 1990-02-05 | Hoya Corp | Method for forming glass element |
| JPH08188419A (en) * | 1995-01-10 | 1996-07-23 | Olympus Optical Co Ltd | Fused glass-supplying nozzle |
| JPH1036123A (en) * | 1996-07-24 | 1998-02-10 | Ohara Inc | Production of glass gob |
| JP2002104829A (en) * | 2000-09-26 | 2002-04-10 | Ngk Insulators Ltd | Discharging mechanism for molten glass |
| JP3862589B2 (en) * | 2002-04-17 | 2006-12-27 | キヤノン株式会社 | Optical glass outflow device and method of manufacturing optical glass block |
| JP2004339002A (en) * | 2003-05-15 | 2004-12-02 | Canon Inc | Device and method for allowing molten glass to flow out |
| JP4684014B2 (en) * | 2005-06-06 | 2011-05-18 | Ｈｏｙａ株式会社 | Precision press molding preform manufacturing method and optical element manufacturing method |
| JP2009096684A (en) * | 2007-10-18 | 2009-05-07 | Ohara Inc | Flow passage for flowing-out molten glass |
| CN202089884U (en) * | 2011-06-27 | 2011-12-28 | 山东瑞泰玻璃绝缘子有限公司 | Bowl |
| CN202594944U (en) * | 2012-06-01 | 2012-12-12 | 安徽杜氏高科玻璃有限公司 | Nichrome orifice ring |
-
2013
- 2013-10-18 JP JP2013217103A patent/JP2015078099A/en active Pending
-
2014
- 2014-10-16 CN CN201410548777.1A patent/CN104556635A/en active Pending
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