Coupling purlin consisting of two or more wooden beams adjoining and overlapping each other longitudinally, as well as fastening element for joining two overlapping end areas of wooden beams for use as a coupling purlin

摘要

The invention relates to a coupling purlin (1) for which two wooden beams (2, 3) adjoining and overlapping each other longitudinally are connected to each other by fastening elements. The overlapping end areas of the wooden beams (2, 3) are connected by means of screws (5) which are positioned at an acute angle in relation to the adjoining surfaces (6, 7) of the wooden beams (2, 3). Said screws (5) are screwed in along a plane situated at a right angle to the surfaces (6, 7).