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WIND-UP LIGHT-DIRECTING SLAT, METHOD OF PRODUCTION, APPLICATION, AND SUN PROTECTION SYSTEM

  • US 20150315841A1
  • Filed: 12/12/2013
  • Published: 11/05/2015
  • Est. Priority Date: 12/13/2012
  • Status: Active Grant
First Claim
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1. Light guiding slat for a sun protection system, wherein the light guiding slat is made of a band material, has an elongated form with a longitudinal direction, a cross direction and an elevation height setting and is provided for the formation of a Fresnel reflector for light guidance with a plurality of folds, wherein at least two neighbouring fold sides (Ks, K) are folded relative to each other and a fold edge extends between these fold sides (Ks, K) in longitudinal direction of the light guiding slat, characterized in that the folds are substantially made by folding and/or bending of the band material and the light guiding slat has a total height (G) which is so small that the light guiding slat has a form to be coilable with a coiling radius of 1 m or less without any substantial plastic deformation.

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