Butt-welded tubular packaging body
US11124342B2 · kind B2 · utility
0Cited by
7References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2013 |
| Grant date | Sep 21, 2021 |
| Priority date | — |
| Expiry date | Nov 11, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/139
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a tubular packaging body formed from a flexible film having a thickness e, the ends of which are butt welded and covered by a plastic reinforcement element located on the inner surface of said tubular body and having a section defined by a width l and a height h, said tubular body being characterized in that all of the following conditions should be met: —h is greater than or equal to e, —the ratio (l·e)/h2 is between 1 and 10.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.