The claimed invention relates to the construction of buildings and structures, in particular, to preforms for the spacer elements to Belleville dowels for fixing heat-insulating materials to the support base. The metal rod to the spacer element for dowel Belleville, a rod 1 2 with a protrusion formed at a distance 3 from one end of the rod 1, which improves the reliability of fastening the plastic head on the metal rod. 2 bp f-ly, 20 ZP f ly-2-yl.
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机译：所要求保护的发明涉及建筑物和结构的构造，尤其涉及用于将贝尔格维尔销钉固定到支撑基座的间隔元件的预成型件。金属杆与销钉Belleville的间隔元件相连，杆1 2的突出部与杆1的一端相距3，从而提高了将塑料头固定在金属杆上的可靠性。 2 bp f-ly，20 ZP fly-2-yl。
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