JPS6199101U - - Google Patents
Info
- Publication number
- JPS6199101U JPS6199101U JP18293784U JP18293784U JPS6199101U JP S6199101 U JPS6199101 U JP S6199101U JP 18293784 U JP18293784 U JP 18293784U JP 18293784 U JP18293784 U JP 18293784U JP S6199101 U JPS6199101 U JP S6199101U
- Authority
- JP
- Japan
- Prior art keywords
- molded lens
- mold
- lens according
- protrusion
- optical axis
- 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
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000000465 moulding Methods 0.000 description 2
Description
第１Ａ図は本考案の第１実施例による成型レン
ズを示す断面図、第１Ｂ図はその斜視図、第２Ａ
図は第２実施例による成型レンズを示す断面図、
第２Ｂ図はその斜視図、第３図は従来の成型レン
ズの側面図、第４図、第５図は本考案による成型
レンズを成形するための型を工程別に示す断面図
、第６図、第７図は従来の成型レンズを成形する
型を工程別の示す断面図である。
１…成型レンズ、１ａ…光学面、１ｃ…突起、
４ａ…ガスベント。
FIG. 1A is a sectional view showing a molded lens according to the first embodiment of the present invention, FIG. 1B is a perspective view thereof, and FIG.
The figure is a sectional view showing a molded lens according to the second embodiment,
FIG. 2B is a perspective view thereof, FIG. 3 is a side view of a conventional molded lens, FIGS. 4 and 5 are cross-sectional views showing each step of a mold for molding a molded lens according to the present invention, and FIGS. FIG. 7 is a cross-sectional view showing a mold for molding a conventional molded lens in each step. 1... Molded lens, 1a... Optical surface, 1c... Protrusion,
4a...Gas vent.
Claims (1)
において、光学面に前記型のガスベントによつて
形成された突起が設けられていることを特徴とす
る成型レンズ。 (2) 突起は、光軸上にて点状に形成されている
実用新案登録請求の範囲第１項記載の成型レンズ
。 (3) 突起は、光軸を含む線状に形成されている
実用新案登録請求の範囲第１項記載の成型レンズ
。[Claims for Utility Model Registration] (1) A molded lens obtained by processing an optical material using a mold, characterized in that the optical surface is provided with a protrusion formed by a gas vent of the mold. . (2) The molded lens according to claim 1, wherein the protrusions are formed in the form of dots on the optical axis. (3) The molded lens according to claim 1, wherein the protrusion is formed in a linear shape that includes the optical axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18293784U JPS6199101U (en) | 1984-11-30 | 1984-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18293784U JPS6199101U (en) | 1984-11-30 | 1984-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6199101U true JPS6199101U (en) | 1986-06-25 |
Family
ID=30740461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18293784U Pending JPS6199101U (en) | 1984-11-30 | 1984-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6199101U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012026263A1 (en) * | 2010-08-25 | 2012-03-01 | コニカミノルタオプト株式会社 | Method and device for manufacturing molded glass object |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4917226B1 (en) * | 1969-12-06 | 1974-04-27 |
-
1984
- 1984-11-30 JP JP18293784U patent/JPS6199101U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4917226B1 (en) * | 1969-12-06 | 1974-04-27 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012026263A1 (en) * | 2010-08-25 | 2012-03-01 | コニカミノルタオプト株式会社 | Method and device for manufacturing molded glass object |