Method of manufacturing thin-walled containers from film webs and production facility for carrying out the method
US7285083B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2003 |
| Grant date | Oct 23, 2007 |
| Priority date | — |
| Expiry date | Aug 22, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B51/225
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a method of manufacturing thin-walled containers from film web. The method includes the steps of: manufacturing a tubular structure from at least one film web; forming at least one fold projecting into the tubular structure; and ultrasonically joining sections of film webs of the folded tubular structure lying flat and parallel on top of one another to form the containers. The invention also includes an apparatus for carrying out the method of the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.