Bag stack and method of making same
US6575300B2 · kind B2 · utility
8Cited by
9References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2001 |
| Grant date | Jun 10, 2003 |
| Priority date | — |
| Expiry date | Jun 13, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31B70/984
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A stack of plastic foil bags has a flap projecting beyond a filling opening on one broad side of the each bag which has a corner region delimited by perforations and formed in the corner region with at least one interlocking point for joining the bags in the stack and a stack-incorporation means separate from the interlocking point and enabling assembly of the bags into the stack.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.