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Planar roofing made of folded metal sheets

  • US 5,479,752 A
  • Filed: 07/05/1994
  • Issued: 01/02/1996
  • Est. Priority Date: 07/08/1993
  • Status: Expired due to Term
First Claim
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1. A planar roofing made of folded metal sheets, which comprises a plurality of metal sheets in which two non-adjacent edges are complementarily folded so as to allow the coupling of two adjacent sheets by partial overlap, and a plurality of supporting retainer blocks, which can be anchored to a purlin for the roofing, wherein each supporting retainer block comprises a base portion for resting on the purlin, two lateral parallel portions that rise from the external part of the base portion, each lateral parallel portion having a cantilevered part so as to delimit a recess which is meant to accommodate a relatively deep fold or bend which is provided proximate to, and along, a folded edge of a respective metal sheet, each recess being inclined towards the respective raised portion by a preset angle, said supporting retainer blocks comprising furthermore an intermediate elevated portion which has a lateral recess that is directed towards each one of said recesses, runs parallel to them and delimits, in an upper region, a cradle which is meant to act as a support for a drainage channel delimited between two adjacent plates.

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