Device for connecting covering panels during the construction of concrete walls, and hand tool for putting this device into use.

摘要

A device for connecting covering panels during the construction of concrete walls, characterised in that it consists of a helical spring of constant diameter comprising three parts: a) a screwing part with wide and constant pitch b) a median part with contiguous turns c) a part with intermediate pitch terminated by a flat turn with bevelled end. Device applicable to the connection of covering panels to concrete walls (Figure 1). <IMAGE>