Shoe sole embossed composition and method
US4984320A · kind A · utility
23Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 1989 |
| Grant date | Jan 15, 1991 |
| Priority date | — |
| Expiry date | Apr 17, 2009 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/504
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A shoe sole lamination and method of lamination in which shoe sole portions composed of selected materials and low melting plastic inserts are laminated and then heat embossed. The method includes use of insulating inserts placed strategically in the mold to protect the plastic inserts against the heat and temperatures of embossing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.