FR1090073A - Manufacturing process of synthetic resin lenses - Google Patents
Manufacturing process of synthetic resin lensesInfo
- Publication number
- FR1090073A FR1090073A FR1090073DA FR1090073A FR 1090073 A FR1090073 A FR 1090073A FR 1090073D A FR1090073D A FR 1090073DA FR 1090073 A FR1090073 A FR 1090073A
- Authority
- FR
- France
- Prior art keywords
- manufacturing process
- synthetic resin
- resin lenses
- lenses
- synthetic
- 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
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
-
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1090073T | 1953-09-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1090073A true FR1090073A (en) | 1955-03-28 |
Family
ID=9614702
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1090073D Expired FR1090073A (en) | 1953-09-22 | 1953-09-22 | Manufacturing process of synthetic resin lenses |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1090073A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2160328A1 (en) * | 1971-11-16 | 1973-06-29 | Vergo Sa | |
FR2446161A1 (en) * | 1979-01-15 | 1980-08-08 | American Optical Corp | MOLD AND METHOD FOR MANUFACTURING PLASTIC LENSES |
-
1953
- 1953-09-22 FR FR1090073D patent/FR1090073A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2160328A1 (en) * | 1971-11-16 | 1973-06-29 | Vergo Sa | |
FR2446161A1 (en) * | 1979-01-15 | 1980-08-08 | American Optical Corp | MOLD AND METHOD FOR MANUFACTURING PLASTIC LENSES |
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