Heel/metatarsal structure having premolded bulges
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United States of America Patent
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Aug 13, 1996
Issued Date -
N/A
app pub date -
Mar 6, 1995
filing date -
Dec 18, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
A plurality of bulges is molded into the heel portion or metatarsal portion of the bottom member of a shoe, the bulges respectively defining cavities. At least one restricted passageway is molded into the portion between the cavities. A sealing member is attached to the outer member by adhesive, whereby air at atmospheric pressure is permanently located in the space jointly defined by the passageway and the cavities.
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