A - Human Necessities – 43 – B
Patent
A - Human Necessities
43
B
A43B 13/20 (2006.01) A43B 13/00 (2006.01)
Patent
CA 2104956
Shoe sole, in particular for sports shoes, with inflatable tube elements ABSTRACT A shoe sole having a sole plate (1), on the ground-engaging side of which are secured inflatable tube elements (6, 7, 8). By virtue of the provision of upstanding lateral support walls the sole plate has an installation space (10) into which open inflation openings (17) of the tube elements. Also disposed in the installation space (10) is a valve housing and a miniature pump from which connecting conduits (19) go to the inflation openings (17). Provided in the region of the inside and the outside edges of the sole and in the heel region are tube elements (6, 7, 8) which are inflatable separately from each other so that it is possible individually to adjust the tread characteristics of a shoe provided with the shoe sole. In their interior the tube elements include a longitudinal partition which divides the interior thereof into two air chambers which communicate with each other through at least one opening in the longitudinal partition. That provides improved tread characteristics and increased rigidity of the tube elements (Figure 4).
Adidas Ag
Gowling Lafleur Henderson Llp
LandOfFree
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