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Element for the insulation of the outer wall of a building

  • US 4,388,361 A
  • Filed: 12/31/1980
  • Issued: 06/14/1983
  • Est. Priority Date: 12/31/1979
  • Status: Expired due to Fees
First Claim
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1. Element for insulation of the external walls of a building, comprising two rigid slabs, and expanded polyurethane insulating material between the slabs which unites the slabs;

  • the insulating material between the two slabs projecting out from between both of the two rigid slabs of the element along one edge of the element and being recessed between both of the two rigid slabs of the element along the opposite edge of the element in such a manner as to leave an interspace on each side of the element between the periphery of the rigid slabs of one element and the periphery of the rigid slabs of the adjacent elements when the insulating material of said one element abuts the insulating material of said adjacent elements, so as to receive mortar to connect the rigid slabs together, said insulating material being laterally outwardly exposed to said mortar in said interspace.

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