Reclosable mechanical fastener based on a composite article

Details Reclosable mechanical fastener based on a composite article Reclosable mechanical fastener based on a composite article

B - Operations, Transporting

29

C

204/91.41, 24/31

B29C 71/04 (2006.01) A44B 18/00 (2006.01) B29D 21/00 (2006.01) C08J 7/18 (2006.01)

Patent

CA 2026627

43799 CAN 1A ABSTRACT OF THE DISCLOSURE The invention relates to reclosable mechanical fasteners and to a method of making a reclosable mechanical fastener. A widely used quick lose/quick release reclosable mechanical fastener is the "Velcro" hook and loop fastener, available from Velcro USA, Inc., Manchester, New Hampshire. These fasteners have several disadvantages. For example, when these fasteners are used with washable articles of clothing, the hook portion of the fasteners tends to snag the fabric during washing. Moreover, the hook and loop portions of the fasteners tend to collect lint. The cost of hook and loop fasteners is sufficiently high to increase the cost of an article of clothing. These types of fasteners are not easy to manufacture. This invention provides a reclosable mechanical fastener comprising a fastening component having a surface structure by which two such fastening components can become releasably attached. The novel fastening component is a composite of a tough substrate and a fastening layer that forms said surface structure, which fastening layer is formed from a cured oligomeric resin composition having one or more like or different hard segments, one or more like or different soft segments, and one or more like or different monovalent moieties containing a radiation-sensitive, addition-polymerizable, function group. The novel fastener forms stronger linkages than were possible with similar fasteners of the prior art. -30-

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