Non-uniformly perforated plastic bag
US9868586B2 · kind B2 · utility
1Cited by
4References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2017 |
| Grant date | Jan 16, 2018 |
| Priority date | — |
| Expiry date | Jul 11, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23V2002/00
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
Provided is a perforated plastic bag wherein the volume of said bag is 100 liters or more; wherein the average perforation diameter is 500 micrometers or less; wherein said plastic bag comprises a lower zone and a top zone, wherein the perforation density of said lower zone is greater than the perforation density of said top zone. Also provided is a method of using such a plastic bag.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.