Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – Strip or slat structure
Patent
1998-09-08
2000-03-28
Purol, David M.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
Strip or slat structure
160235, E06B 306
Patent
active
060418478
ABSTRACT:
The invention discloses a building block for rolling shutters which are use to shield and protect the door and windows of a shop. The blocks are made of plastic sheets, adopt new forms of engagements, and can be connected to form shutters of various sizes conveniently and optionally. The shutters made of this kind of plastic sheets overcome the disadvantage of vulnerability of metal shutters to rust, and are convenient to maintain, clean and replace any part thereof, and can prevent the penetration of rain water. When transparent plastic sheets are used to make the shutter blocks, people can see the exhibits behind the shutters to make the shutters not only have a theft-preventing function, but also achieve an advertising effect.
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Purol David M.
Wai-Man Lai
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