Footwear

Details Footwear Footwear

B - Operations, Transporting

29

D

B29D 35/14 (2010.01) A43B 13/12 (2006.01) A43B 13/22 (2006.01) A43B 23/02 (2006.01)

Patent

CA 2642091

An outsole unit (15, 21, 24, 27) for an item of footwear (30) comprises a base layer (16) of a flexible material having fibres extending from one surface, for example a napped leather such as pigskin suede or a textile material, and one or more lugs (17, 25) of thermoplastic polyurethane (TPU) moulded directly to the fibrous surface so as to form a tread. Multiple lugs (17) may form a regular array separated by grooves (18, 19), and may be connected solely by the base layer (16), by a skin (23) of TPU extending across the base layer (16) or by narrow connecting elements of TPU (28, 29). An upper (31) of an item of footwear (30) may comprise a backing (2) of suede leather with a grid of strips (3, 4) of TPU moulded to its napped surface. An item of footwear (30) may comprise the outsole unit (15, 21, 24, 27) of the invention, the upper (31) of the invention, or both.

L~invention concerne un élément de semelle d~usure (15, 21, 24, 27) pour article chaussant (30), l~élément de semelle d~usure comprenant une couche de base (16) en matériau souple dotée de fibres s~étendant à partir d~une surface, par exemple un cuir à fleur corrigée tel qu~un suède de porc ou un matériau textile, et une ou plusieurs saillies (17, 25) en polyuréthane thermoplastique (TPU) moulées directement sur la surface fibreuse de façon à former un motif rainuré. Une pluralité de saillies (17) peuvent former des rangées régulières entrecoupées de rainures (18, 19), et peuvent être reliées uniquement par la couche de base (16), par une peau (23) de TPU s~étendant sur toute la couche de base (16) ou par des éléments de raccord étroits en TPU (28, 29). Une tige (31) d~un article chaussant (30) peut comprendre une doublure (2) en daim avec un quadrillage de bandes (3, 4) de TPU moulées sur sa surface à fleur corrigée. Un article chaussant (30) peut comprendre l~élément de semelle d~usure (15, 21, 24, 27) selon l~invention et/ou la tige (31) selon l~invention.

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