FIELD: building, particularly joint members adapted to connect chamfered profiles of window, door and facade frames.
SUBSTANCE: joint member is shaped as double dovetail and is inserted in profile grooves from inner joint side. The joint member is made of heat-shrinkable material. Ferromagnetic powder is introduced in central joint member part. Ferromagnetic powder may be heated by electromagnetic field to be generated for profile fixation.
EFFECT: increased efficiency.
2 dwg
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