Title:
MANUFACTURE OF LIGHT TRANSMITTING SCREEN
Document Type and Number:
Japanese Patent JP3665199
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent a bent shape from changing with time and keep the stabilized bonded state of a plurality of sheet members.
SOLUTION: Light transmitting thermoplastic resin is extrusion molded at the molding temperature in which an extruded sheet-shaped molded product is formed into the bending shape, and a molded product of the bending shape is placed on a mold of bending shape and heated to the thermal deformation temperature or lower. Warping is provided for a sheet member constituting a light transmitting screen (for example, a lenticular lens sheet, a Fresnel lens sheet) by the arrangement.
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Inventors:
Yoshio Abe
Application Number:
JP2068398A
Publication Date:
June 29, 2005
Filing Date:
February 02, 1998
Export Citation:
Assignee:
KURARAY CO.,LTD.
International Classes:
B29C48/305; B29C53/04; G03B21/62; G03B21/625; B29L11/00; (IPC1-7): B29C53/04; B29C47/14; G03B21/62
Domestic Patent References:
| JP5204048A | ||||
| JP60061738A | ||||
| JP61148029A |
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