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US 6,884,376 B2Granted
Method for making a shoe sole with different resilient areas
AssigneesChing-Chin Chen, Shih-Kan Liang, Chun Heir Industry Co., Ltd.
InventorsChing-Chin Chen, Shih-Kan Liang
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Abstract
A method for making a shoe sole includes step of preparing various types of foamable material; step of making the foamable material into particles; step of preparing a mold having a cavity in which the foamable material is being put; and step of foaming the foamable material in the cavity and obtaining a sole. The foamable material has different resilient coefficients but the same foaming rate so that the sole can be a made by a single foaming process and includes various resilient features.
Claims4
A method for making a shoe sole, comprising:
- step 1:
- preparing various types of foamable material;
- step 2:
- making the foamable material into particles;
- step 3:
- preparing a dispensing member which has a plurality of openings;
- step 4:
- preparing a mold having a cavity and overlapping the dispensing member on the mold, putting the foamable material in the cavity in pre-determined positions via the openings of the dispensing member, and
- step 5:
- foaming the foamable material in the cavity and obtaining a sole.
7 more elements
Dependencies are inferred from the claim text.