Importance

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Abstract

Spacer frame assembly for an insulating glass unit comprising a plurality of spacer frame elements connected to form a generally planar polygonal frame. Each frame element defines an impervious outer peripheral wall and first and second lateral walls, integral with the outer wall, extending inwardly from opposite outer wall sides parallel to the frame plane. The outer wall and lateral walls extend substantially continuously about the frame polygon and are joined adjacent their ends by connecting structure. The connecting structure comprises a connecting tongue continuous with and projecting from an end of one frame element. The other frame element end has a tongue receiving structure and the element ends are telescopically joined. Muntin bars are secured to the frame elements by latching structures which assure quick muntin bar assembly.

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First Claim