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:
Nov. 30, 1993
Filed:
Jul. 16, 1991
Applicant:
Inventors:
Assignee:
Sanwa Shutter Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E06B / ;
U.S. Cl.
CPC ...
160133 ; 160236 ;
Abstract
A shutter curtain for an opening such as a window or door of a building comprising: slats each of which is made of materials having different rigidity values, wherein the shutter curtain is formed by arranging the slats in series. Furthermore, the shutter curtain for a building opening comprising: main slats made of a rigid material; and sub-slats made of a material having elasticity, wherein two end portions of the main and sub-slats are connected in series so that the shutter curtain is constituted.