Winding core
US11104542B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 22, 2020 |
| Grant date | Aug 31, 2021 |
| Priority date | — |
| Expiry date | Jan 22, 2040 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/5136
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A two piece winding core assembly is provided having a first core portion and a second core portion. The two core portions having the same construction and are positionable to combine together to form a completed cylindrical and hollow core. The two core portions having a series of locking pins and a corresponding series of receiving openings formed on opposing end faces. A series of axially elongated projections and a corresponding series of axially elongated channels are also formed on the opposing end faces of the core portions. An internal plurality of web members is formed in a structural crossing pattern on the inside surface of the core portion, with the web members providing structural rigidity to the core portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.