Conveyor belt and belt conveyor device
US10745207B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 5, 2017 |
| Grant date | Aug 18, 2020 |
| Priority date | — |
| Expiry date | Oct 5, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65G2203/043
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Provided are a conveyor belt further enhancing the durability of loop coils embedded in the conveyor belt so as to detect vertical tears in the conveyor belt; and a belt conveyor system using the conveyor belt. A conveyor belt includes a core layer having a plurality of metal cords extending in the belt longitudinal direction arranged in parallel in the belt width direction; an upper cover rubber and a lower cover rubber disposed so as to interpose a core layer from above and below; a plurality of loop coils embedded at intervals in the belt longitudinal direction in the lower cover rubber; and protective layers being disposed between the core layer above and each of the loop coils below and embedded in the lower cover rubber at intervals in the belt longitudinal direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.