Patent ID: 9551369
Date: 2017-01-24
CPC Classifications: E04B,E04F,F16B

Claim:
1. A unit for attaching insulation to a wall, comprising: a main body formed with a locating sleeve which is ended at one end with an expansion zone, and with a circular plate at an opposing end; wherein the locating sleeve houses an expansion element; wherein the expansion element defines a head embedded permanently in an expansion element sleeve with an outer thread and wherein said expansion element sleeve is directly joined with the expansion element; wherein said expansion element sleeve defines a polygonal hole; and wherein the locating sleeve has a variable diameter, wherein a larger first diameter is from the inlet side; wherein a length of the locating sleeve from a step to its end is equal to or larger than a length of the expansion element measured from connection to said expansion element sleeve to an end of the expansion element; whereas a larger inner diameter of the locating sleeve is larger than the outer diameter of the expansion element sleeve fixedly joined to an expansion element; wherein the length of a larger inner diameter of the locating sleeve is equal to or longer than the length of the expansion element sleeve fixedly joined to an expansion element.