Composite frame, particularly for windows, doors and facades

Details Composite frame, particularly for windows, doors and facades Composite frame, particularly for windows, doors and facades

E - Fixed Constructions

06

B

108/62, 108/75

E06B 1/16 (2006.01) E06B 1/36 (2006.01) E06B 3/273 (2006.01)

Patent

CA 1177334

ABSTRACT A composite frame, for example for a window, door or facade, comprising a pair of metal sub-frames spaced apart and inter-connected by at least one elongate thermal insulator engaged in a respective groove in each sub-frame and with a portion of a flange of each sub-frame plastically deformed into a longitudinally extending recess in the insulator wherein, to improve the coefficient of friction between the insulator and the sub-frames, grooves are provided in the insulator and elongate gripping members are received in the grooves. The elongate gripping members may be metal wires of various sections of resilient construction e.g. rubber or plastics material, vulcanisable material or apertured metal strips, with teeth at the longitudinal edges, inserted in an extruded insulator during extrusion thereof so that the material extruded fills the apertures in the strip.

360176

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