Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PLASTIC LENS AND PROCESS FOR FORMING HARD COAT FILM ON PLASTIC LENS
Document Type and Number:
Japanese Patent JP3669603
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To form a high-quality hard coat film without causing its peeling or whitening and without causing the crack of a plastic lens substrate.
SOLUTION: This process for forming a hard coat film on the surface of a plastic lens comprises the cleaning step wherein the surface of a plastic lens substrate is cleaned, the coating step wherein the surface is coated with a hard coat soln. comprising an ultraviolet-curable resin compsn. and a solvent, the drying step wherein the coated substrate is put into a drying oven to evaporate the solvent, and the ultraviolet irradiation step wherein the substrate is irradiated with ultraviolet rays in an ultraviolet irradiation oven 21 to cure the resin compsn.


Inventors:
Murakoshi Mamoru
Koichi Isogawa
Application Number:
JP33772596A
Publication Date:
July 13, 2005
Filing Date:
December 04, 1996
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Koito Manufacturing Co., Ltd.
International Classes:
G02B1/10; B29D11/00; C08J7/04; F21S8/10; F21V5/00; F21V5/04; F21V17/00; (IPC1-7): C08J7/04; F21S8/10; F21V5/00; F21V5/04; F21V17/00; G02B1/10
Domestic Patent References:
JP2012701A
JP55105202A
Attorney, Agent or Firm:
Yuji Komatsu