FIELD: mechanical engineering.
SUBSTANCE: invention relates to the field of mechanical engineering and can be used for mechanical and adhesive-mechanical joints of three-layer composite panels, which are used in the manufacture of box-type insulated constructions. The connecting unit of the three-layer composite panel consists of two interface elements mounted on the surface of the three-layer panel and pulled together by means of threaded fasteners, with the possibility of their placement inside the sleeve, which is inserted in the through hole of the three-layer panel. The sleeve is made of non-heat-conducting material. The fasteners are installed coaxially, towards each other, with thermal isolation of the interface elements.
EFFECT: thermal isolation of the interface elements of a three-layer panel due to the use of a sleeve made of non-heat-conducting material and the arrangement of fasteners coaxially, towards each other.
1 cl, 1 dwg
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