Hooks and loop fastener attached to a bobbin by ultrasonic welding

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【作者】 Scaglia  Enzo 

【摘要】Method to attach an annular band (11) of adhesive material such as Velcro (hook and loop fastener), felt or similar material onto a substantially cylindrical support (10) onto which it is suitable to wind a product for example for spinning for example of the sliver type in which, the annular band (11) is attached to the support (10) by means of welding along at least one circumference. a substantially cylindrical support of the cop or spool type, onto which it is suitable to wind a product for spinning of the sliver type, includes an annular band onto which is attached a corresponding outer annular band (11) of substantially adhesive material, such as Velcro (hook and loop fastner), felt or similar material, the annular band (11) being attached to the support (10) by means of welding made along at least two circumferences arranged in proximity with the peripheral edges of the annular band (11).

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