FIELD: construction.
SUBSTANCE: fastening system adapted to the facade plate retaining opening undercut portion, comprises a fastening anchor with external thread and at least one bearing sleeve. The fastening anchor has an asymmetrical head on the rod, which protrudes in some places over the bearing sleeve installed on the anchor. The bearing sleeve has the form of a tubular body with a central hole and a support portion, which surrounds the head at least in some places of the area , where it does not fill the retaining opening. The assembled bearing sleeve protrudes by at least several tenths of a millimeter from the mounting hole.
EFFECT: increased reliability of connection.
9 cl, 27 dwg
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