A - Human Necessities – 43 – B
Patent
A - Human Necessities
43
B
12/113, 36/17
A43B 23/00 (2006.01) A43B 1/00 (2006.01) A43B 1/14 (2006.01) A43B 7/00 (2006.01) A43B 9/20 (2006.01) A43B 17/14 (2006.01)
Patent
CA 1050751
ABSTRACT An article of orthopedic footwear comprises an upper or thermosoftening plastics material, e.g. a vinyl polymer, having a lining of resilient expanded thermosoftening plastics material of closed cell construction, e.g. an expanded cross-linked poly- ethylene. The upper has an autogenously welded seam covered externally by a strip of thermosoftening plastics material, e.g. a vinyl polymer, autogenously welded to the upper on both sides of the seam, e.g. by longitudinal and/or transverse welds. The article can be shaped by forming and/or cutting the upper.
267547
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