Fastening materials

A fastening material comprising:

• a plurality of separately formed strips of fastening material with each of said strips formed of plastic resin and having a strip-like planar base portion defining a unitary molding and containing a row of fastening elements extending longitudinally along the strip and protruding outwardly from one face of said strip-like base portion wherein said fastening elements have a laterally extending portion located above the strip-like base portion, said base portion being wider than the width of said fastening elements,
• each of said strips having its strip-like base portion in abutment along the longitudinal border portions thereof with respective longitudinal border portions of the strip-like base portions of adjacent strips whereby the fastening elements of all of said strips extend in the same direction and said rows thereof are parallel to each other,
• fusion bonding means securing said abutted base portions of said strips together along their abutting longitudinal border portions to provide an integral assembly of said strips which assembly defines a wider strip or sheet formation having a plurality of rows of said fastening elements extending parallel to each other across said assembly from the same side of and longitudinally along said wider formation of said material.