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Wall structure with insulated interfitting blocks

  • US 4,123,881 A
  • Filed: 12/13/1976
  • Issued: 11/07/1978
  • Est. Priority Date: 02/10/1975
  • Status: Expired due to Term
First Claim
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1. In a wall structure comprising a plurality of duplicate symmetrical approximately T-shaped building blocks each comprising an approximately rectangular main body section and an approximately rectangular side body section with substantially flat coplanar top surfaces and with substantially flat coplanar bottom surfaces, side walls and end walls, said side body section having approximately the same width as said main body section, said main body section being longer than said side body section and including end portions extending at its opposite ends beyond the ends of said side body section a distance at each end approximately equal to the width of said main body section, openings extending vertically through both said main body section and said side body section with the openings in said main body section extending into the central portion of each of the end portions of said main body section, a recess formed in the top surface of each of the end portions of said main body section with each recess intersecting the opening in the end portion of the main body section and the side wall of the main body section adjacent the side body section with each recess positioned centrally in the length of the end portions of said main body section, a slot defined at the intersection of each end wall of said side body section with each side wall of said main body section, with the plane of the side walls of said main body section adjacent the side body section bisecting the slots, said building blocks being arranged in horizontal courses of blocks in the wall structure with alternate ones of the blocks in each course facing opposite directions, with the end walls of the main body sections in abutment with the end walls of the side body sections, with the slots of adjacent blocks in vertical alignment with each other, and the recesses of adjacent blocks arranged in alignment with each other across the length of the course of blocks, U-shaped clips inserted in to the wall structure with the base of the U-shaped clips positioned in the aligned recesses of adjacent blocks and the legs of the clips extending into the openings of the end portions of said main body section of the building blocks whereby the facing side walls of adjacent ones of the building blocks in the wall structure are held in abutting relationship.

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