Web material dispenser and web material feed assembly for a web material dispenser
US11357366B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 22, 2019 |
| Grant date | Jun 14, 2022 |
| Priority date | — |
| Expiry date | Jan 28, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65H2601/25
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present disclosure concerns a web material feed assembly for a web material dispenser comprising a housing, the web material feed assembly comprising first and second rollers rotatable relative to the housing of the dispenser about first and second parallel axes. The first roller is provided with friction rings forming a nip between the first and second rollers for feeding the web material therethrough, at least one of the friction rings comprising a recessed surface forming an anti-wrinkling space between the first and second rollers. The disclosure also concerns a web material dispenser with such a web material feed assembly and a method for preventing wrinkles in a web material dispensed by a web material dispenser with such a web material feed assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.