Core with improved chuck interaction
US11279077B2 · kind B2 · utility
1Cited by
12References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2019 |
| Grant date | Mar 22, 2022 |
| Priority date | — |
| Expiry date | Oct 23, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/5112
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An improved core for mounting on one or more core engaging elements such as a pair of chucks and a method of making an improved core are provided. The core is adapted to wind and unwind material thereon. The core comprises a high coefficient of friction coating disposed on the inner surface of the core to improve core-chuck interaction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.