Counter rail and counter element in a sealing apparatus and method of manufacturing thereof
US6725634B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 4, 2001 |
| Grant date | Apr 27, 2004 |
| Priority date | — |
| Expiry date | Sep 4, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2031/7166
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a counter rail and a dolly, suitable for use in an apparatus for heat sealing a laminated packaging material for packaging of a liquid or flowing product, wherein the counter rail and the dolly each are made of a substantially plastics material. The invention also relates to an apparatus for heat sealing and to a sealing/cutting apparatus including said counter rail and dolly, as well as to a packaging machine including such a sealing apparatus and counter rail and dolly of the invention. Furthermore, the invention relates to a method of producing said counter rail and dolly by means of co-injection molding.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.