JPH0143691B2 - - Google Patents
Info
- Publication number
- JPH0143691B2 JPH0143691B2 JP16486284A JP16486284A JPH0143691B2 JP H0143691 B2 JPH0143691 B2 JP H0143691B2 JP 16486284 A JP16486284 A JP 16486284A JP 16486284 A JP16486284 A JP 16486284A JP H0143691 B2 JPH0143691 B2 JP H0143691B2
- Authority
- JP
- Japan
- Prior art keywords
- mold
- ring
- shaped body
- cylindrical positioning
- sleeve
- 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.)
- Expired
Links
- 239000011521 glass Substances 0.000 claims description 30
- 230000000295 complement effect Effects 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 description 16
- 238000000034 method Methods 0.000 description 15
- 238000000465 moulding Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 238000005498 polishing Methods 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910021397 glassy carbon Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/06—Construction of plunger or mould
- C03B11/08—Construction of plunger or mould for making solid articles, e.g. lenses
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2215/00—Press-moulding glass
- C03B2215/40—Product characteristics
- C03B2215/46—Lenses, e.g. bi-convex
- C03B2215/47—Bi-concave
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2215/00—Press-moulding glass
- C03B2215/72—Barrel presses or equivalent, e.g. of the ring mould type
- C03B2215/73—Barrel presses or equivalent, e.g. of the ring mould type with means to allow glass overflow in a direction perpendicular to the press axis
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16486284A JPS61174127A (ja) | 1984-08-08 | 1984-08-08 | ガラスレンズの成形型 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16486284A JPS61174127A (ja) | 1984-08-08 | 1984-08-08 | ガラスレンズの成形型 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61174127A JPS61174127A (ja) | 1986-08-05 |
| JPH0143691B2 true JPH0143691B2 (enrdf_load_stackoverflow) | 1989-09-22 |
Family
ID=15801332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16486284A Granted JPS61174127A (ja) | 1984-08-08 | 1984-08-08 | ガラスレンズの成形型 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61174127A (enrdf_load_stackoverflow) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5211969A (en) * | 1990-11-02 | 1993-05-18 | Canon Kabushiki Kaisha | Mold for press molding of optical element |
| JP4686928B2 (ja) * | 2001-08-03 | 2011-05-25 | コニカミノルタホールディングス株式会社 | プレス成形装置 |
| TWI241947B (en) * | 2004-10-04 | 2005-10-21 | Asia Optical Co Inc | Optical lens molding apparatus and precision molding apparatus |
| JP6609422B2 (ja) * | 2015-05-25 | 2019-11-20 | オリンパス株式会社 | 光学素子成形用型セット、及び、光学素子の製造方法 |
-
1984
- 1984-08-08 JP JP16486284A patent/JPS61174127A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61174127A (ja) | 1986-08-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |