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US 2003/0150132 A1Published application
Elastic sole pad
OwnerSu-Chu Lininventor
Life of this patent
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Abstract
An elastic sole pad has an inlet tube, a plurality of vent holes, and a foamed polyurethane liquid injected into the elastic sole pad through the inlet tube. The elastic sole pad has a hollow interior to receive the foamed polyurethane liquid. The elastic sole pad is made of a soft and flexible plastics.
Claims2
An elastic sole pad comprises:
- an inlet tube,
- a plurality of vent holes,
- a foamed polyurethane liquid, and
- the elastic sole pad having a hollow interior to receive the foamed polyurethane liquid therein.
1 more element
Dependencies are inferred from the claim text.