MX9703301A - Metodo y aparato automatizados para hidratar lentes de contacto blandos. - Google Patents
Metodo y aparato automatizados para hidratar lentes de contacto blandos.Info
- Publication number
- MX9703301A MX9703301A MX9703301A MX9703301A MX9703301A MX 9703301 A MX9703301 A MX 9703301A MX 9703301 A MX9703301 A MX 9703301A MX 9703301 A MX9703301 A MX 9703301A MX 9703301 A MX9703301 A MX 9703301A
- Authority
- MX
- Mexico
- Prior art keywords
- hydration
- lens
- carrier
- molds
- robotic assembly
- 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
- B29D11/00038—Production of contact lenses
- B29D11/00125—Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
- B29D11/00173—Conveying moulds
- B29D11/00182—Conveying moulds using carrier plates
-
- 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
- B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
-
- 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
- B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
- B29C31/006—Handling moulds, e.g. between a mould store and a moulding machine
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/02—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles
- B29C43/021—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of definite length, i.e. discrete articles characterised by the shape of the surface
-
- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/50—Removing moulded articles
-
- 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
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/0009—After-treatment of articles without altering their shape; Apparatus therefor using liquids, e.g. solvents, swelling agents
-
- 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
- B29D11/00038—Production of contact lenses
- B29D11/00067—Hydrating contact lenses
-
- 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
- B29D11/00038—Production of contact lenses
- B29D11/00125—Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
- B29D11/00192—Demoulding, e.g. separating lenses from mould halves
- B29D11/00221—Demoulding, e.g. separating lenses from mould halves using prying means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B25/00—Packaging other articles presenting special problems
- B65B25/008—Packaging other articles presenting special problems packaging of contact 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
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0016—Lenses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S134/00—Cleaning and liquid contact with solids
- Y10S134/901—Contact lens
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/534—Multiple station assembly or disassembly apparatus
- Y10T29/53404—Multiple station assembly or disassembly apparatus including turret-type conveyor
Abstract
Se provee un medio automatizado para hidratar un lente de contacto hidrofilo, moldeado, en el cual un primer ensamble robotico retira una pluralidad de moldes de lente de contacto de un portador de línea de produccion; cada uno de los moldes de lente tiene un lente de contacto adherido en él. El primer ensamble robotico transporta los moldes a una primera área de apilamiento, en donde los moldes de lente son emparedados entre un portamolde de lente y una placa de cámara superior, para formar un primer portador de hidratacion. Un primer dispositivo de transferencia rotatorio entrega entonces el primer portador de hidratacion a un segundo ensamble robotico que sumerge el primer portador de hidratacion en un baño de hidratacion para hidratar los lentes y para soltar los lentes del molde de lente. Mientras los lentes están sumergidos en el baño de hidratacion, se transfiere cada lente de su molde respectivo a un medio de transferencia de lente, que se encuentra dentro de la placa de cámara superior. Después de un periodo predeterminado de tiempo, el segundo ensamble robotico retira el primer portador de hidratacion del baño de hidratacion y entrega el portador de hidratacion a un segundo dispositivo de transferencia rotatorio que hace girar el primer portador de hidratacion y lo alinea para transferirlo a un tercer ensamble robotico. El tercer ensamble robotico lleva entonces la placa de cámara superior y los lentes de contacto a través de una serie de pasos en los cuales el portamolde de lente y los moldes de lente son retirados de la placa de cámara superior. Los lentes llevados en los medios de transferencia de lente son inundados entonces y transportados para su ensamble con un miembro de base de hidratacion para formar un segundo portador de hidratacion para procesar los lentes en estaciones subsecuentes de extraccion. El segundo portador de hidratacion es transportado entonces a través de una pluralidad de estaciones de inundacion o extraccion, en donde se introduce agua desionizada fresca en las cámaras de hidratacion, en cada estacion de hidratacion, para descargas las sustancias lixiviables desde la cámara de hidratacion. En cada estacion de inundacion se introduce agua desionizada fresca dentro de la cámara de hidratacion para eliminar las impurezas previamente extraídas y los productos de hidrolisis. Un dispositivo de desensamble robotico final separa la placa de cámara superior y el medio de transferencia de lente del miembro de base de hidratacion, para proveer lentes totalmente hidratados en un medio concavo sujetador de lente, listo para su transferencia a las estaciones de inspeccion y empaque.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/643,965 US5836323A (en) | 1994-06-10 | 1996-05-07 | Automated method and apparatus for hydrating soft contact lenses |
US08643965 | 1996-05-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
MX9703301A true MX9703301A (es) | 1998-05-31 |
MXPA97003301A MXPA97003301A (es) | 1998-10-23 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
AU1893197A (en) | 1997-11-13 |
CA2204462C (en) | 2008-09-23 |
DE69714902T2 (de) | 2003-05-28 |
EP0806286A2 (en) | 1997-11-12 |
ATE222849T1 (de) | 2002-09-15 |
DE69714902D1 (de) | 2002-10-02 |
CA2204462A1 (en) | 1997-11-07 |
EP0806286A3 (en) | 1998-04-22 |
US5836323A (en) | 1998-11-17 |
SG73450A1 (en) | 2000-06-20 |
US5762081A (en) | 1998-06-09 |
JPH10109317A (ja) | 1998-04-28 |
TW389723B (en) | 2000-05-11 |
AU712084B2 (en) | 1999-10-28 |
JP4063917B2 (ja) | 2008-03-19 |
EP0806286B1 (en) | 2002-08-28 |
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