Title:
METHOD AND APPARATUS FOR MANUFACTURING LENS SHEET
Document Type and Number:
WIPO Patent Application WO/2008/053782
Kind Code:
A1
Abstract:
This invention provides, for example, a method for manufacturing a lens sheet,
wherein a protective film, which is reliably adhered to the lens sheet during
transfer, storage and the like and, when the film should be removed from the lens
sheet, can easily be separated from the lens sheet. In the method for manufacturing
a lens sheet, a lens sheet having a microlens part provided on its one side is continuously
manufactured. The method comprises a lens forming step of continuously forming
a microlens part on the surface of a continuous original sheet (20) to form a lens
sheet, a lens part protective film applying step of applying a protective film
(36) for the lens part to the surface of the lens sheet, a matt face protective film
applying step of applying a matt face protective film (46) having a lower adhesive
strength than the lens part protective film on the backside of the lens sheet,
and a step of cutting the lens sheet to a predetermined length.
Inventors:
OKUNO DAICHI (JP)
Application Number:
PCT/JP2007/070834
Publication Date:
May 08, 2008
Filing Date:
October 25, 2007
Export Citation:
Assignee:
MITSUBISHI RAYON CO (JP)
OKUNO DAICHI (JP)
OKUNO DAICHI (JP)
International Classes:
B29C63/02; B29C39/18; G02B3/00; G02B3/06; B29L11/00
Foreign References:
| JP2002067058A | 2002-03-05 | |||
| JP2000080336A | 2000-03-21 | |||
| JP2002363510A | 2002-12-18 |
Attorney, Agent or Firm:
KUMAKURA, Yoshio et al. (Shin-Tokyo Bldg. 3-1,Marunouchi 3-chome,Chiyoda-k, Tokyo 55, JP)
Download PDF: