Method and apparatus for slitting and providing selvedge by ultrasonic means on hook and loop type fastener tapes

摘要: An apparatus for ultrasonically providing selvedge on separable fasteners of the hook and loop-type. Portions fastener member are softened or melted pressed toward surface base so as to be combined, in some instances, consolidated therewith. The portions may given a textured appearance by use anvil having either simulated even trademark logo impressed, machined etched thereon. tape provided with several then slit medially provide at least two smaller width from wider width.