Frame corner structure

Details Frame corner structure Frame corner structure

E - Fixed Constructions

06

B

26/184, 108/76

E06B 1/12 (2006.01) E06B 1/16 (2006.01) E06B 3/976 (2006.01)

Patent

CA 1081050

ABSTRACT OF THE DISCLOSURE A corner structure is formed by inserting a rigid metal bracket into frame members having mitred ends. Each leg of the bracket has a pair of longitudinally spaced triangular depressions, with the depression nearest the corner having a depth less than the depth of the other depression by at least the thickness of the adjacent side of the frame member. Tongues are first struck out from the frame members into the depressions of greater depth and then tongues are struck out from the frame members into the depressions of lesser depth, the tongues extending in a direction away from the corner, to cause each tongue to engage at least part of two surfaces of the respective depression to urge the mitred ends of the frame members together.

283119

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