Mold for footwear with sipes and method of manufacturing same
US9265301B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2012 |
| Grant date | Feb 23, 2016 |
| Priority date | — |
| Expiry date | Sep 16, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29D35/128
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A mold used to form a midsole for an article of footwear and a method of manufacturing are disclosed. The mold includes a first portion and a second portion cooperating to define a midsole recess, the first portion including a major recess and plurality of wall segments extending throughout the major recess and cooperating to define a plurality of minor recesses. A fillet is provided at each intersection of adjacent wall segments. The mold may have a draft angle of less than or equal to approximately 2.5 degrees.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.