Title:
MOLD FOR LENTICULAR LENS
Document Type and Number:
Japanese Patent JPS5270847
Kind Code:
A
Abstract:
PURPOSE: To provide a mold for a lenticular lens, in which the surface encircling an effective surface is made into a non-spherical shape other than an axially symmetric shape, thereby making it possible to make the effective surface into a non-circular shape such as an ellipse.
Inventors:
UMEZAKI HIDEAKI
Application Number:
JP14699075A
Publication Date:
June 13, 1977
Filing Date:
December 10, 1975
Export Citation:
Assignee:
SUWA SEIKOSHA KK
International Classes:
G02C7/02; B29C33/00; B29C39/00; B29C39/26; B29C61/00; B29D11/00; G02B3/00; G02B3/06; G02B3/08; (IPC1-7): G02B3/08