Twisted cord for core wire of transmission belt, manufacturing method and use of same, and transmission belt
US11933383B2 · kind B2 · utility
0Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2020 |
| Grant date | Mar 19, 2024 |
| Priority date | — |
| Expiry date | Jan 11, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7094
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a twisted cord for constituting a core wire of a power-transmission belt, the twisted cord including a plurality of primary twisted yarns that are bundled and secondarily-twisted, in which when secondary twist is untwisted by 25 cm, a difference in length between the longest primary twisted yarn L and the shortest primary twisted yarn S among the plurality of primary twisted yarns is 1 to 10 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.