A - Human Necessities – 44 – B
Patent
A - Human Necessities
44
B
24/70
A44B 17/00 (2006.01) A41H 37/04 (2006.01) B29C 65/08 (2006.01) B29C 70/74 (2006.01) B29C 65/50 (2006.01)
Patent
CA 1313585
Abstract An article of manufacture comprises a molded-plastic fitment such as one of the halves of a snap fastener molded in situ to a porous substrate such as a garment fabric. various embodiments are described for the article, as well as dies for forming the same, and methods and a machine for making the same. The article of manufacture consists of a functional plastic component locally molded to one side of a substrate with the plastic material of the component extending integrally through and impregnating the pores of the substrate at the locality of the component. The structures obtained by compressive deformation of a plastic pellet in contact with the substrate under such ultrasonic modulation of continuous force normal to the substrate as to create many point contacts each of which acts as a small area of energy focus for local initiation of progressively melting the pellet.
543139
Ackermann Walter T.
Borden Ladner Gervais Llp
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