PROCESS FOR PRODUCING OPTICAL MEMBER, PROCESS FOR PRODUCING PLASTIC LENS, GASKET FOR PLASTIC LENS MOLDING, AND JIG FOR MONOMER INJECTION

Title:

PROCESS FOR PRODUCING OPTICAL MEMBER, PROCESS FOR PRODUCING PLASTIC LENS, GASKET FOR PLASTIC LENS MOLDING, AND JIG FOR MONOMER INJECTION

Document Type and Number:

WIPO Patent Application WO/2003/084728

Kind Code:

A1

Abstract:

A process for producing an optical member which comprises mixing an isocyanate-terminated prepolymer ingredient (A) with an aromatic diamine ingredient (B) and injecting the mixture into a mold immediately after the mixing to obtain a molded object; a process for producing a plastic lens which comprises mixing the ingredient (A) with the ingredient (B), injecting the liquid mixture into a mold immediately after the mixing, and polymerizing it to obtain a molded object; a gasket for plastic lens molding which comprises a cylindrical object; and a mold for plastic lens molding and a jig for monomer injection which each employs this gasket.

Inventors:

KADOTA MASANORI (JP)
NAKAMURA SHIGEO (JP)
HIRAYAMA KENGO (JP)
KITAHARA YOSHITAKA (JP)
HOSHI YUJI (JP)
OKAMOTO YASUHISA (JP)

Application Number:

PCT/JP2003/004448

Publication Date:

October 16, 2003

Filing Date:

April 08, 2003

Export Citation:

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Assignee:

HOYA CORP (JP)
KADOTA MASANORI (JP)
NAKAMURA SHIGEO (JP)
HIRAYAMA KENGO (JP)
KITAHARA YOSHITAKA (JP)
HOSHI YUJI (JP)
OKAMOTO YASUHISA (JP)

International Classes:

B29C39/24; B29C39/26; B29D11/00; C08G18/10; C08G18/48; C08G18/75; G02B1/04; B29C31/04; (IPC1-7): B29C45/00; B29C39/02; B29C39/26; G02B1/04; C08G18/66

Domestic Patent References:

WO2001032407A1

2001-05-10

Foreign References:

US6127505A	2000-10-03
JPH0639951Y2	1994-10-19
JPH05212732A	1993-08-24
JP2003103586A	2003-04-09

Other References: