A LAP JOINT BETWEEN FABRICS AND A METHOD OF JOINING WELDABLE FABRICS

摘要

A lap joint between fabrics (1, 2) which are welded together in an elongate weld zone (5), whereby thread sewings (6, 7) are formed parallely to the weld zone (5), situated along each side of the weld zone (5), outside of the weld zone (5). The joint is made up by a method of joining weldable fabrics, comprising that two fabrics (1, 2) are laid overlapping against each other and are welded in an elongate weld zone (5), whereby thread sewings (6, 7) are formed parallely to the weld zone, along each side of the weld zone (5), outside of the weld zone (5). The thread sewings (6, 7) are situated so near the weld zone (5) that they relieve it. In this manner the fatigue strength of the joint is substantially increased, compared with a joint without thread sewings or a joint having a thread sewing within the weld zone proper.