Boots – shoes – and leggings – Soles – Laminated
Patent
1986-04-04
1988-03-15
Kee Chi, James
Boots, shoes, and leggings
Soles
Laminated
36 32R, 36 37, 36114, A43B 1314, A43B 1318, A43B 1304
Patent
active
047304022
ABSTRACT:
The invention is in a sole unit for footwear including a midsole/wedge component (16, 30, 40, 60) of plastic material. The midsole/wedge component includes a core (26, 36, 46, 62) which may be characterized as a V-channel within a central longitudinal portion extending away from the back of the heel along substantially the longitudinal axis of the component. A pair of posts (22 and 24, 32 and 34, 42 and 44, 64 and 66) describing a lateral and medial post extend along the component at least to the region of the heel seat of the wedge. The density of the medial post (Shore A) may be equal to or greater than the density of the lateral post, and both posts have a density (Shore A) greater than that of the core to minimize excessive rear foot motion and instability.
The invention also envisions several process for forming the midsole/wedge component.
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patent: 4614046 (1986-09-01), Dassler
patent: 4680875 (1987-07-01), Danieli
Fram Craig F.
Graham Kenneth W.
Norton Edward J.
Smith James A.
Chi James Kee
New Balance Athletic Shoe, Inc.
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