SHUTTER DEVICE

PROBLEM TO BE SOLVED: To provide a shutter device with improved crime prevention performance which cannot be easily cut even when tools are used such as a pair of snips or a hacksaw without taking measures such as increasing the plate thickness of a slat of a shutter curtain. SOLUTION: The shutter d...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: UETAKE TORU
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a shutter device with improved crime prevention performance which cannot be easily cut even when tools are used such as a pair of snips or a hacksaw without taking measures such as increasing the plate thickness of a slat of a shutter curtain. SOLUTION: The shutter device is provided with the shutter curtain 1 constituted by connecting the required number of slats to one other. Then a reinforcing material 8 which can rotate is inserted to the space 7 which is formed at the connection between the slats adjacent to each other up and down. Then the reinforcing material is spread between both guide rails guiding the movement at least at both sides of the shutter. COPYRIGHT: (C)2006,JPO&NCIPI