Method of manufacturing sole assembly for article of footwear
US8906280B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2012 |
| Grant date | Dec 9, 2014 |
| Priority date | — |
| Expiry date | Jul 9, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29D35/128
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method of forming a midsole includes the steps of placing a first mold member and a second mold member in contact with one another, injecting a first material into the first mold member to form first and second portions of a midsole preform, positioning the first and second portions in a third mold member of a second mold assembly; placing a second material in the third mold member; placing the third mold member and a fourth mold member in contact with one another, subjecting the second material and the first and second portions to heat to form a midsole preform, placing the midsole preform in a fifth mold member, placing the fifth mold member and a sixth mold member in contact with one another; and subjecting the midsole preform to heat and pressure to form a midsole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.