Midsole for a shoe, in particular a running shoe
A technology for running shoes and support structures, applied in the field of midsoles for shoes, especially running shoes
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[0035] Figure 1a It is a perspective view of bottom 7. In a preferred embodiment, the bottom is composed of three layers, namely, a midsole 1, a second intermediate layer 2 as the first layer, and a third layer 3 constituting the outsole. The bow pad 4 is placed on the midsole. Figure 1b Show along Figure 1a The axis A-A is at the bottom in the longitudinal section view. For clarity, the support structure on the inside of the foot has been Figure 1a Is omitted in the view, but in Picture 11 It can be seen that it is indicated by the reference numeral 158.
[0036] In a preferred embodiment, the midsole 1 is made of a light polyurethane (PU) material, also known as light PU. This material is a well-known special variant of PU, which has a low density (0.35g / cm 3 ), which is a lightweight material. A further feature is that the energy absorbed from the runner can be returned well, which is important for long-distance running. Shore A (Shore A) hardness is between 38 and 40. A...
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