Center-pull bag dispenser without separate end-forms
US11383916B2 · kind B2 · utility
0Cited by
5References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 2020 |
| Grant date | Jul 12, 2022 |
| Priority date | — |
| Expiry date | Jan 20, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65D75/004
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An improved package for core-less rolls of bags provides a shrink-wrap film around the bag having differential shrinkage to better accommodate the roll form.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.