Form and seal unit for a machine for packaging pourable food products
US6543205B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 1, 2000 |
| Grant date | Apr 8, 2003 |
| Priority date | — |
| Expiry date | Nov 1, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB65B51/30
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A form and seal unit (1) for producing aseptic sealed packages from a tube (2) of packaging material filled with a pourable food product; the unit having a fixed structure (3), and two forming assemblies (5, 5′) interacting alternately and cyclically with the tube (2) of packaging material, and in turn having respective pairs of jaws (7) movable between an open position and a closed position in which the jaws grip the tube (2) of packing material between respective sealing members (13, 14), and respective forming flaps (21) having respective half-shell forming portions (22) which surround the tube (2) of packaging material to determine the shape and volume of the packages; the closing movement of the forming flaps (21) about the tube (2) of packaging material is controlled by cams (30) carried by the forming flaps (21) and interacting with rollers (64) fixed to the structure (3) of the unit (1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.