Plastic film bag stack with corner holes separated by perforations from a flap having stacking openings
US6508588B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 9, 2000 |
| Grant date | Jan 21, 2003 |
| Priority date | — |
| Expiry date | Mar 9, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31B2160/10
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Stack consisting of a multiplicity of bags which are connected to one another and are made of plastic film, in particular vending machine bags, and also process and apparatus for producing and filling bags of this typeThe invention concerns a stack consisting of a multiplicity of bags which are connected to one another and are made of plastic film, in particular vending machine bags, and also a process and apparatus for producing and filling bags of this type which, for the purpose of simple production and handling when filling with a product, such as, for example, a loaf of bread or the like, have perforation lines (9, 9′) which run at an angle with respect to the filling opening (6) in order to form corner sections (11) with interconnecting points (12) provided in them, and which, when filling, can be severed cleanly from the bag stack and taken for packaging with a nice-looking exterior.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.