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1. WO2000040395 - METHOD AND MOLD FOR CASTING CONTACT LENSES

Publication Number WO/2000/040395
Publication Date 13.07.2000
International Application No. PCT/US1999/024436
International Filing Date 18.10.1999
IPC
B29C 33/40 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
33Moulds or cores; Details thereof or accessories therefor
38characterised by the material or the manufacturing process
40Plastics, e.g. foam or rubber
B29C 35/08 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
35Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
02Heating or curing, e.g. crosslinking or vulcanising
08by wave energy or particle radiation
B29D 11/00 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
11Producing optical elements, e.g. lenses or prisms
CPC
B29C 2035/0827
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
35Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
02Heating or curing, e.g. crosslinking or vulcanizing ; during moulding, e.g. in a mould
08by wave energy or particle radiation
0805using electromagnetic radiation
0827using UV radiation
B29C 33/40
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
33Moulds or cores; Details thereof or accessories therefor
38characterised by the material or the manufacturing process
40Plastics, e.g. foam or rubber
B29C 35/0888
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
35Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
02Heating or curing, e.g. crosslinking or vulcanizing ; during moulding, e.g. in a mould
08by wave energy or particle radiation
0888using transparant moulds
B29D 11/00125
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
11Producing optical elements, e.g. lenses or prisms
00009Production of simple or compound lenses
00038Production of contact lenses
00125Auxiliary operations, e.g. removing oxygen from the mould, conveying moulds from a storage to the production line in an inert atmosphere
B29K 2827/06
BPERFORMING OPERATIONS; TRANSPORTING
29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR ; MOULDS, ; REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
2827Use of polyvinylhalogenides or derivatives thereof as mould material
06PVC, i.e. polyvinylchloride
Applicants
  • BAUSCH & LOMB INCORPORATED [US/US]; One Bausch & Lomb Place Rochester, NY 14604-2701, US
Inventors
  • RUSCIO, Dominic, V.; US
  • BIDDLE, Graham, W.; US
Agents
  • MAGEE, Mary, Anne ; Bausch & Lomb Incorporated One Bausch & Lomb Place Rochester, NY 14604-2701, US
Priority Data
60/114,36630.12.1998US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHOD AND MOLD FOR CASTING CONTACT LENSES
(FR) PROCEDE ET MOULE DE MOULAGE DE LENTILLES DE CONTACT
Abstract
(EN)
A method of molding contact lenses in a mold made from a polyvinyl chloride material which lacks ultraviolet stabilizing agents produces an improved lens surface.
(FR)
Un procédé de moulage de lentilles de contact dans un moule en polychlorure de vinyle ne présentant pas d'agents anti-UV produit une surface de lentille améliorée.
Also published as
Latest bibliographic data on file with the International Bureau