Apparatus and method for forming inflated containers
US9340311B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2011 |
| Grant date | May 17, 2016 |
| Priority date | — |
| Expiry date | Jan 4, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB31D2205/0058
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A device for producing a longitudinal seal between two juxtaposed plies of film that are conveyed along a longitudinal path of travel, the juxtaposed film plies including a series of containers therebetween, wherein the device includes a sealing mechanism that forms a sealing zone in the travel path in which the longitudinal seal is produced, and a pressure mechanism that forms a pressure zone in the travel path in which the juxtaposed film plies are compressed, the pressure zone being positioned between the containers and the sealing zone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.