Patent · US Expired

Method and unit for sterilizing packaging sheet material for manufacturing sealed packages of pourable food products

US6685883B2 · kind B2 · utility

3Cited by

6References

7Claims

0Family size

Assignee

Tetra Laval Holdings & Finance S.A. · CH

Inventors

Roberto Schianchi · Eidsvold, AU
Hakan Moller · Malmö, SE
Lars Naslund · Furulund, SE

Key dates

Filing date	Apr 5, 2001
Grant date	Feb 3, 2004
Priority date	—
Expiry date	Jan 11, 2022

Classification

Technology area (CPC G)Physics
CPC primaryG21K5/10
WIPO fieldHandling
WIPO sectorMechanical engineering

Abstract

A method and unit sterilizing sheet packaging material for producing sealed packages of pourable food products, the method including the step of directing on to opposite faces of the packaging material respective low-voltage electron beams, each having an energy of at most 100 keV. The unit includes generating devices for generating the low-voltage electron beams.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.