Refastenable mechanical fastening system having particular visco

Details Refastenable mechanical fastening system having particular visco Refastenable mechanical fastening system having particular visco

1992-10-30

1994-07-05

Sakran, Victor N.

Buckles, buttons, clasps, etc.

Including readily dissociable fastener having numerous,...

With feature facilitating or causing attachment of filaments...

24450, 24452, A44B 1800

Patent

active

053255690

ABSTRACT:
A process for making a refastenable mechanical fastening system comprising the steps of providing a depositing member having at least one aperture having a diameter of between about 0.008 inches to about 0.040 inches; providing a molten thermally sensitive material having a storage modulus less than about 5000 dynes/centimeter.sup.2 at the application temperature and a storage modulus of at least about 1.times.10.sup.6 dynes/centimeter.sup.2 at a temperature no more than 40.degree. Celsius less than the application temperature; providing a substrate; forcing the molten thermally sensitive material through the aperture; depositing a discrete amount of the molten thermally sensitive material from the aperture onto the substrate; stretching a portion of the discrete amount of the molten thermally sensitive material in a direction having a vector component parallel to the plane of the substrate so as to form a prong; and solidifying the molten thermally sensitive material of the prong, the prong having a base, a shank, and an engaging means, the engaging means forming an included angle of at least 180.degree..

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