作者: Donald M. Fowler
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摘要: A midsole component 10 for a shoe comprises spaced upper and lower flexible closure layers 16,17 from resilient intermediate diaphragm 18 by ribs 19. peripheral strip 22 extends around the edges of 16, 17 is joined thereto to enclose an air space therebetween. The 19 divide into plurality pockets through which can be circulated or redistributed via openings such as at ends ribs. One rib isolate toe heel portions airspace. Valves 34,35 opposite allow Introduced under pressure space.