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US 2002/0170650 A1Published application
Method for making a shoe having a foamed midsole enclosed in the shoe
OwnerCheng-Hsian Chiinventor
Life of this patent
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Abstract
A method for making a shoe includes the steps of preparing an outsole, an upper having an insole, a cover strip, and a mold, placing the outsole, the upper, and the cover strip in the mold cavity such that the outsole and the insole are interconnected by the cover strip to confine an inner space thereamong, closing the mold, filling a foamable material into the inner space, and permitting the foamable material to expand to form a foamed midsole that is enclosed by and that is bonded to the outsole, the insole, and the cover strip.
Claims12
A method for making a shoe, comprising the steps of:
- preparing an outsole having an upper surface and a peripheral portion;
- preparing an upper having a bottom portion that defines an insole having a peripheral portion which is to be disposed over said peripheral portion of said outsole;
- preparing a cover strip that is to be disposed between and that is to interconnect said outsole and said insole;
- preparing a mold that has an inner wall defining a mold cavity, an upper mold part with a last, a bottom mold part opposite to said upper mold part, and at least two opposite side mold parts;
- placing said outsole, said upper, and said cover strip in said mold cavity such that said outsole is mounted on said bottom mold part, that said upper is fittingly sleeved on said last with said insole being disposed over said outsole, and that said peripheral portions of said insole and said outsole are interconnected by said cover strip so as to confine an inner space thereamong;
- closing said mold;
- filling a foamable material into said inner space;
- and
- permitting said foamable material in said inner space to expand to thereby forcing said outsole, said insole, and said cover strip to press against said inner wall of said mold so as to form a foamed midsole that is enclosed by and that is bonded to said outsole, said insole, and said cover strip.
6 more elements
Dependencies are inferred from the claim text.