Method of manufacturing a midsole for a shoe and construction therefor
USRE35905E · kind E · reissue
Assignee
Inventors
Key dates
| Filing date | Mar 14, 1997 |
| Grant date | Sep 29, 1998 |
| Priority date | — |
| Expiry date | Mar 14, 2017 |
Classification
- Technology area (CPC —)General
Abstract
The present invention is directed to a method of manufacturing a midsole for a shoe and the structure of the resulting midsole. The midsole includes a core of a first plastic material and a peripheral wrap of a second plastic material. The wrap has an outer peripheral surface comprising at least a portion of an outer peripheral surface of the midsole. The method includes the steps of molding a peripheral wrap from a sheet stock of the first plastic material by applying compressive forces on the sheet stock in a direction which i substantially perpendicular with the outer surface of the sheet stock, placing the wrap around the inner peripheral surface of a mold which approximates the shape of the midsole, and pouring the first plastic material in the mold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.