Shutter curtain for a building opening
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United States of America Patent
Stats
-
Nov 30, 1993
Grant Date -
N/A
app pub date -
Jul 16, 1991
filing date -
Jul 21, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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Family
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Cited Art Landscape
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