Spindle mechanism for protective packaging device
US11731849B2 · kind B2 · utility
0Cited by
84References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 2019 |
| Grant date | Aug 22, 2023 |
| Priority date | — |
| Expiry date | Apr 22, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/17
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Disclosed is a web handling system that includes a spindle having a spindle magnetic coupling portion and a roll core configured for receiving the spindle for mounting thereon and having a roll magnetic coupling portion, wherein the spindle and roll magnetic coupling portions are configured for magnetically attracting each other to hold the roll on the spindle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.