Counter element and method of producing the same
US7640717B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 22, 2005 |
| Grant date | Jan 5, 2010 |
| Priority date | — |
| Expiry date | Mar 22, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B51/303
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a counter element (22) being adapted to apply a pressure to a first portion of a packaging material in association with heating of the packaging material in order to seal the first portion of the packaging material to a second portion of the packaging material. The element (22) being provided with an abutment surface (23) adapted to at least abut said first portion of the packaging material. The abutment surface (23) is provided with a plurality of indentations (24) adapted to entrap fluid or gas present in the vicinity of the abutment surface (23) and the first portion of the packaging material. The inventions also relates to a method of providing a counter element (22) as described above.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.