Shock absorbing innersole and method for preparing same
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United States of America Patent
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Jun 23, 1987
Issued Date -
N/A
app pub date -
Oct 9, 1985
filing date -
Feb 28, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A shock-absorbing innersole for use in footwear, which innersole comprises an innersole body composed of a substantially nondeformable elastomeric-type urethane cellular polymer, having a contoured molded heel and arch section and a substantially flat sheet containing a ball and toe section, the innersole having one or more shock-absorbing inserts in the innersole positioned in the heel, ball or both areas of the innersole, the insert composed of a solid elastomeric polymer which has greater shock-absorbing properties and greater surface tack than the elastomeric urethane of the innersole body.
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