JPH0445017U - - Google Patents
Info
- Publication number
- JPH0445017U JPH0445017U JP8470090U JP8470090U JPH0445017U JP H0445017 U JPH0445017 U JP H0445017U JP 8470090 U JP8470090 U JP 8470090U JP 8470090 U JP8470090 U JP 8470090U JP H0445017 U JPH0445017 U JP H0445017U
- Authority
- JP
- Japan
- Prior art keywords
- mold
- cavity
- plastic lens
- view
- runner
- 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
- 238000000465 moulding Methods 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Description
第１図〜第３図は本考案に係る縁肉の薄いプラ
スチツクレンズ成形用金型の第１実施例を示し、
第１図ａは金型の一部を省略した縦断面図、第１
図ｂは下型の平面図、第２図は成形装置の縦断面
図、第３図ａ〜ｃは工程を示す下型の平面図、第
４図および第５図は同第２実施例を示し、第４図
ａは金型の一部を省略した縦断面図、第４図ｂは
下型の平面図、第５図ａ〜ｃは工程を示す下型の
平面図、第６図ａおよびｂは同第３実施例を示し
、第６図ａは金型の一部を省略した縦断面図、第
６図ｂは下型の平面図、第７図および第８図は従
来例を示す斜視図である。
１……成形装置、２，１５，２０……金型、３
……上型、４……下型、５……シール、６……真
空ポンプ、７……上型入子、８，１８，２２……
上型スリーブ、９……下型入子、１０，１９，２
３……下型スリーブ、１１……キヤビテイ、１２
，１６，２１……ゲート、１３，１７……ランナ
、１４……樹脂。
1 to 3 show a first embodiment of a mold for molding a plastic lens with thin rim thickness according to the present invention,
Figure 1a is a vertical sectional view with a part of the mold omitted;
Figure b is a plan view of the lower mold, Figure 2 is a longitudinal sectional view of the molding device, Figures 3 a to c are plan views of the lower mold showing the process, and Figures 4 and 5 show the second embodiment. 4a is a vertical sectional view with a part of the mold omitted, FIG. 4b is a plan view of the lower mold, FIGS. 5 a to c are plan views of the lower mold showing the process, and FIG. 6 a and b show the third embodiment, FIG. 6 a is a vertical sectional view with a part of the mold omitted, FIG. 6 b is a plan view of the lower mold, and FIGS. 7 and 8 are the conventional example. FIG. 1... Molding device, 2, 15, 20... Mold, 3
...Upper mold, 4...Lower mold, 5...Seal, 6...Vacuum pump, 7...Upper mold insert, 8, 18, 22...
Upper mold sleeve, 9...lower mold insert, 10, 19, 2
3...Lower mold sleeve, 11...Cavity, 12
, 16, 21...gate, 13, 17...runner, 14...resin.
Claims (1)
、キヤビテイの全外周にゲートおよびランナを設
けるとともに、該キヤビテイは真空装置に連通し
、かつ外気と遮断して構成したことを特徴とする
縁肉の薄いプラスチツクレンズ成形用金型。 A plastic lens injection mold for a plastic lens with a thin edge wall, characterized in that a gate and a runner are provided on the entire outer periphery of the cavity, and the cavity is configured to communicate with a vacuum device and be isolated from the outside air. Molding mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8470090U JPH0445017U (en) | 1990-08-10 | 1990-08-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8470090U JPH0445017U (en) | 1990-08-10 | 1990-08-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0445017U true JPH0445017U (en) | 1992-04-16 |
Family
ID=31815847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8470090U Pending JPH0445017U (en) | 1990-08-10 | 1990-08-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0445017U (en) |
-
1990
- 1990-08-10 JP JP8470090U patent/JPH0445017U/ja active Pending