JPH0126860B2 - - Google Patents
Info
- Publication number
- JPH0126860B2 JPH0126860B2 JP8212980A JP8212980A JPH0126860B2 JP H0126860 B2 JPH0126860 B2 JP H0126860B2 JP 8212980 A JP8212980 A JP 8212980A JP 8212980 A JP8212980 A JP 8212980A JP H0126860 B2 JPH0126860 B2 JP H0126860B2
- Authority
- JP
- Japan
- Prior art keywords
- plastic
- mold
- molds
- raw material
- piece
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/0048—Moulds for lenses
- B29D11/00528—Consisting of two mould halves joined by an annular gasket
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/0038—Moulds or cores; Details thereof or accessories therefor with sealing means or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00413—Production of simple or compound lenses made by moulding between two mould parts which are not in direct contact with one another, e.g. comprising a seal between or on the edges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/76—Office equipment or accessories
- B29L2031/7602—Maps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ophthalmology & Optometry (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8212980A JPS578120A (en) | 1980-06-19 | 1980-06-19 | Molding method of plastic lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8212980A JPS578120A (en) | 1980-06-19 | 1980-06-19 | Molding method of plastic lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS578120A JPS578120A (en) | 1982-01-16 |
| JPH0126860B2 true JPH0126860B2 (enrdf_load_stackoverflow) | 1989-05-25 |
Family
ID=13765799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8212980A Granted JPS578120A (en) | 1980-06-19 | 1980-06-19 | Molding method of plastic lens |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS578120A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7820085B2 (en) * | 2003-10-29 | 2010-10-26 | Essilor International | Methods relating to molding optical lenses |
| GB2456565B (en) * | 2008-01-18 | 2010-07-14 | Gkn Aerospace Services Ltd | Ejector tool |
-
1980
- 1980-06-19 JP JP8212980A patent/JPS578120A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS578120A (en) | 1982-01-16 |