The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 16, 1993
Filed:
Nov. 27, 1989
Applicant:
Inventors:
Kenichi Sakunaga, Toyama, JP;
Mizuo Okada, Yokohama, JP;
Assignee:
Mitsubishi Rayon Co., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
156167 ; 156296 ; 264-15 ; 359456 ; 359459 ;
Abstract
A transmission type screen having a screen body constituted by at least one plastic sheet formed of a multiplicity of transparent plastic strands arranged in the shape of a sheet, each the strands being welded together at outer surfaces thereof. Each of the transparent strand may have a main portion and another portion different from the main portion in terms of optical effects. This transmission type screen is manufactured by spinning off the transparent strands from a spinning nozzle while aligning the strands; welding each adjacent over of the strands to form a sheet; and forming a screen body from at least one sheet obtained in this manner.