Nail for use in autoclaved lightweight concrete walls comprises tube with pointed end and rod with nail head which fits inside this, triangular anchoring component emerging through slot near tube end when rod is rotated

摘要

The nail for use in autoclaved lightweight concrete walls comprises a tube (15) with a pointed end (13). A rod with a nail head fits inside this , allowing it to be driven in. When the rod is rotated, a triangular anchoring component (16) emerges through a slot near the end of the tube.