Systems and methods for joining hook fastener structures

A welded hook fastener tape comprising:

• a first tape comprising a first base and a plurality of first hooks that project from the first base;
• a second tape comprising a second base and a plurality of second hooks that project from the second base;
• a pair of walls that longitudinally extend along edges of both the first and second tapes and that project from the first and second bases;
• and
• a welded connection segment in which a portion of the first tape and a portion of the second tape are overlaid and welded together, the welded connection segment disposed between the plurality of first hooks and the plurality of second hooks and comprising a top surface and a bottom surface, wherein:
• the top surface comprises two non-recessed portions and a recessed portion disposed between the two non-recessed portions;
• and
• the bottom surface is generally flat.