JPH01145337A - 光学素子の製造方法 - Google Patents
光学素子の製造方法Info
- Publication number
- JPH01145337A JPH01145337A JP30012287A JP30012287A JPH01145337A JP H01145337 A JPH01145337 A JP H01145337A JP 30012287 A JP30012287 A JP 30012287A JP 30012287 A JP30012287 A JP 30012287A JP H01145337 A JPH01145337 A JP H01145337A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- cutting
- mold
- fluid
- molding
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B7/00—Distributors for the molten glass; Means for taking-off charges of molten glass; Producing the gob, e.g. controlling the gob shape, weight or delivery tact
- C03B7/10—Cutting-off or severing the glass flow with the aid of knives or scissors or non-contacting cutting means, e.g. a gas jet; Construction of the blades used
-
- 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
- C03B21/00—Severing glass sheets, tubes or rods while still plastic
- C03B21/02—Severing glass sheets, tubes or rods while still plastic by cutting
-
- 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
- C03B2215/48—Convex-concave
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2215/00—Press-moulding glass
- C03B2215/70—Horizontal or inclined press axis
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B2215/00—Press-moulding glass
- C03B2215/76—Pressing whereby some glass overflows unrestrained beyond the press mould in a direction perpendicular to the press axis
- C03B2215/77—Pressing whereby some glass overflows unrestrained beyond the press mould in a direction perpendicular to the press axis with means to trim off excess material
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30012287A JPH01145337A (ja) | 1987-11-30 | 1987-11-30 | 光学素子の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30012287A JPH01145337A (ja) | 1987-11-30 | 1987-11-30 | 光学素子の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01145337A true JPH01145337A (ja) | 1989-06-07 |
| JPH0445454B2 JPH0445454B2 (enrdf_load_stackoverflow) | 1992-07-24 |
Family
ID=17880988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30012287A Granted JPH01145337A (ja) | 1987-11-30 | 1987-11-30 | 光学素子の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01145337A (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01153538A (ja) * | 1987-12-08 | 1989-06-15 | Canon Inc | 光学素子の製造方法 |
| US5275637A (en) * | 1990-01-31 | 1994-01-04 | Canon Kabushiki Kaisha | Method of manufacturing a glass optical part |
| US5322541A (en) * | 1991-03-28 | 1994-06-21 | Matsushita Electric Industrial Co., Ltd. | Method of producing glass blank |
-
1987
- 1987-11-30 JP JP30012287A patent/JPH01145337A/ja active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01153538A (ja) * | 1987-12-08 | 1989-06-15 | Canon Inc | 光学素子の製造方法 |
| US5275637A (en) * | 1990-01-31 | 1994-01-04 | Canon Kabushiki Kaisha | Method of manufacturing a glass optical part |
| US5322541A (en) * | 1991-03-28 | 1994-06-21 | Matsushita Electric Industrial Co., Ltd. | Method of producing glass blank |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0445454B2 (enrdf_load_stackoverflow) | 1992-07-24 |
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