Process for the production of dimension-stable polyester tire cord
US4883629A · kind A · utility
1Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 14, 1988 |
| Grant date | Nov 28, 1989 |
| Priority date | — |
| Expiry date | Oct 14, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2969
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process for the production of dimension-stable polyester cord by means of a two-stage heat treatment including initially stretching at 205.degree.-250.degree. C. between 3 and 7 percent, and subsequently relaxing at 205.degree.-250.degree. C. between 3 and 7 percent. There results a dimension-stable polyester cord displaying a shrinkage of less than 1.2 percent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.