JPS543873A - Method of forming lens or sheet - Google Patents
Method of forming lens or sheetInfo
- Publication number
- JPS543873A JPS543873A JP6797577A JP6797577A JPS543873A JP S543873 A JPS543873 A JP S543873A JP 6797577 A JP6797577 A JP 6797577A JP 6797577 A JP6797577 A JP 6797577A JP S543873 A JPS543873 A JP S543873A
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- forming lens
- ethylene
- gasbets
- molds
- 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
Abstract
PURPOSE: Hardening of monomer liquid is conducted between molds which are held with gasbets consisting of an ethylene-vinyl acetate copolymer, a polyolefin, and an ethylene-propylene rubber to produces uniformly dyeable lenses.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6797577A JPS543873A (en) | 1977-06-10 | 1977-06-10 | Method of forming lens or sheet |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6797577A JPS543873A (en) | 1977-06-10 | 1977-06-10 | Method of forming lens or sheet |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS543873A true JPS543873A (en) | 1979-01-12 |
Family
ID=13360489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6797577A Pending JPS543873A (en) | 1977-06-10 | 1977-06-10 | Method of forming lens or sheet |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS543873A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55107310U (en) * | 1979-01-23 | 1980-07-26 | ||
JPH01299010A (en) * | 1988-05-27 | 1989-12-01 | Mitsui Petrochem Ind Ltd | Gasket for manufacturing synthetic resin lens |
JPH02185586A (en) * | 1989-01-10 | 1990-07-19 | Sumitomo Chem Co Ltd | Gasket used in forming plastic lens |
-
1977
- 1977-06-10 JP JP6797577A patent/JPS543873A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55107310U (en) * | 1979-01-23 | 1980-07-26 | ||
JPH01299010A (en) * | 1988-05-27 | 1989-12-01 | Mitsui Petrochem Ind Ltd | Gasket for manufacturing synthetic resin lens |
JPH02185586A (en) * | 1989-01-10 | 1990-07-19 | Sumitomo Chem Co Ltd | Gasket used in forming plastic lens |
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