Wind-up apparatus for a web material
US10494214B2 · kind B2 · utility
0Cited by
8References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2016 |
| Grant date | Dec 3, 2019 |
| Priority date | — |
| Expiry date | Jul 4, 2036 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2701/191
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The invention relates to a roll making apparatus comprising spindles optionally having apertures for pressurized air and/or for applying a vacuum, the spindles being movable between a retracted position and an extended position, a roll engaging face configured to engage a roll carried by a spindle, upon the spindle carrying said roll moving to said retracted position, to move the roll relative to the spindle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.