Title:
METHOD AND APPARATUS FOR RELEASING LENS MATERIAL FROM CONTACT LENS MATERIAL HOLDER
Document Type and Number:
Japanese Patent JP3771005
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a method for rapidly releasing a contact lens material from a lens material holder by reducing a limit of the step due to the method, and an apparatus for releasing therefor.
SOLUTION: The method for releasing a lens material 30 from a lens material holder 10 to hold a concave part 31 side of the material 30 via wax 21 or holding agent such as adhesive comprises the steps of holding the material 30 at the holder 10 except its outer periphery, and spraying pressure gas to a gap 50 between the outer periphery of the material 3 and the holder 10, thereby releasing the lens material.
Inventors:
Ryuji Nakajima
Daisuke Shimomura
Asakura Isao
Daisuke Shimomura
Asakura Isao
Application Number:
JP17971897A
Publication Date:
April 26, 2006
Filing Date:
July 04, 1997
Export Citation:
Assignee:
HOYA CORPORATION
International Classes:
B24B13/005; G02C7/04; B29C33/46; B29D11/00; (IPC1-7): B29D11/00; B29C33/46; //G02C7/04
Domestic Patent References:
| JP9090290A | ||||
| JP4005010A | ||||
| JP7009509A | ||||
| JP4069617A | ||||
| JP2080233A | ||||
| JP55123428A | ||||
| JP2083153A |
Attorney, Agent or Firm:
Tamotsu Otani