Tire mold with air vent inserts
US4447197A · kind A · utility
10Cited by
5References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 25, 1983 |
| Grant date | May 8, 1984 |
| Priority date | — |
| Expiry date | Jul 25, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/812
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A tire mold having air venting passages or holes is provided with plastic inserts or plugs for the vent holes along the cavity side of the mold. The inserts are composed of a plastic material having a heat distortion temperature of no less than 275.degree. F. at 66 psi in accordance with ASTM D648 and a coefficient of thermal expansion less than 8.times.10.sup.-5 in/in/.degree.C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.