BE753439A - Procede de moulage simultane sur plaque de plusieurs objets, plus particulierement lentilles ophtalmiques en matiere plastique - Google Patents
Procede de moulage simultane sur plaque de plusieurs objets, plus particulierement lentilles ophtalmiques en matiere plastiqueInfo
- Publication number
- BE753439A BE753439A BE753439DA BE753439A BE 753439 A BE753439 A BE 753439A BE 753439D A BE753439D A BE 753439DA BE 753439 A BE753439 A BE 753439A
- Authority
- BE
- Belgium
- Prior art keywords
- plastic material
- molding process
- ophthalmic lenses
- several objects
- plate molding
- Prior art date
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
- B29D11/00413—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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/0022—Multi-cavity moulds
-
- 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
- B29D11/00028—Bifocal lenses; Multifocal lenses
-
- 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)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US84192669A | 1969-07-15 | 1969-07-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE753439A true BE753439A (fr) | 1971-01-14 |
Family
ID=25286071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE753439D BE753439A (fr) | 1969-07-15 | 1970-07-14 | Procede de moulage simultane sur plaque de plusieurs objets, plus particulierement lentilles ophtalmiques en matiere plastique |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE753439A (fr) |
DE (1) | DE2029120A1 (fr) |
FR (1) | FR2055089A5 (fr) |
GB (1) | GB1317007A (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5573108A (en) * | 1988-11-02 | 1996-11-12 | British Technology Group Ltd. | Disposable contact lens package |
ATE157301T1 (de) * | 1988-11-02 | 1997-09-15 | British Tech Group | Giessen und verpacken von kontaktlinsen |
-
1970
- 1970-06-13 DE DE19702029120 patent/DE2029120A1/de active Pending
- 1970-07-06 GB GB3273670A patent/GB1317007A/en not_active Expired
- 1970-07-14 BE BE753439D patent/BE753439A/fr unknown
- 1970-07-15 FR FR7025939A patent/FR2055089A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1317007A (en) | 1973-05-16 |
DE2029120A1 (de) | 1971-01-28 |
FR2055089A5 (fr) | 1971-05-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1000384B (it) | Procedimento per la produzione di oggetti in particolare bottiglie di materiale polimerico orientato mediante stiramento e prodotto ottenuto | |
BE747355A (fr) | Procede et appareil pour le moulage de matiere plastique renforcee | |
BE803851A (fr) | Ressort en matiere plastique | |
BE760398A (fr) | Objets en matiere plastique biaxialement orientes et procede etappareillage pour leur fabrication | |
FR2322708A1 (fr) | Procede de fabrication d'articles moules en matiere plastique transparente et appareil de thermoformage pour la mise en oeuvre de ce procede | |
BE752123A (fr) | Appareil de moulage de matieres a l'etat plastique | |
BE747601A (fr) | Extrusion de matiere plastique | |
BE752155A (fr) | Procede de fabrication de pieces moulees durcies en matiere plastique | |
BE803379A (fr) | Procede pour mouler des objets creux en resine synthetique | |
BE795486Q (fr) | Procede de preparation d'objets en matiere thermoplastique | |
BE764648A (fr) | Objets creux moulables en matiere plastique fermes et steriles et procede de fabrication desdits objets | |
BE790999A (fr) | Procede et machine perfectionnes pour la fabrication de pieces moulees en matiere plastique expansee | |
BE780144A (fr) | Procede d'etirage des films de matiere plastique | |
BE754811A (fr) | Procede de production d'articles en matiere plastique alveolaire | |
BE809096A (fr) | Procede de moulage d'articles en matiere thermoplastique | |
BE749841A (fr) | Dispositif de moulage pour matiere plastique | |
BE753439A (fr) | Procede de moulage simultane sur plaque de plusieurs objets, plus particulierement lentilles ophtalmiques en matiere plastique | |
CH459555A (fr) | Procédé pour l'obtention de produits cellulaires en résine thermoplastique | |
BE802873A (fr) | Procede pour le moulage d'objets en matiere plastique | |
BE754721A (fr) | Machine pour le formage de corps creux en matiere plastique | |
BE782426A (fr) | Fut en matiere plastique | |
BE751314A (fr) | Produits metallises en matiere plastique | |
BE751313A (fr) | Produits metallises en matiere plastique | |
BE778500A (fr) | Procede de moulage d'objets en matiere plastique | |
BE776685A (fr) | Procede perfectionne de moulage de pieces en matiere plastique |