The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 22, 2006
Filed:
Feb. 07, 2003
Jan Andersson, Ystad, SE;
Karsten Sörensen, Parma, IT;
Detlef Elias, Formigine, IT;
Filippo Ferrarini, Modena, IT;
Ermanno Ricci, Formigine, IT;
Fabio Vellani, Modena, IT;
Jan Andersson, Ystad, SE;
Karsten Sörensen, Parma, IT;
Detlef Elias, Formigine, IT;
Filippo Ferrarini, Modena, IT;
Ermanno Ricci, Formigine, IT;
Fabio Vellani, Modena, IT;
Tetra Laval Holdings & Finance S.A., Pully, CH;
Abstract
A unit for sterilizing a web () of packaging material on a machine () for packaging pourable food products, the unit having a bath () containing a sterilizing agent, in which the web () is fed continuously; a process chamber () connected to an outlet () of the bath (), and which houses wringing rollers () interacting with the web (), and a nozzle () for directing a stream of air on to the web () and removing residual sterilizing agent from the web; an aseptic chamber () communicating with the process chamber () via an opening () for passage of the web (), and in which the web () is folded and sealed longitudinally to form a tube () which is filled continuously with the product for packaging; and an air processing circuit () for controlling process conditions, and having a conduit () for feeding a first stream of sterile air into the aseptic chamber (), a conduit () for feeding a second stream of sterile air to the nozzle () and housing a heater () for controlling the temperature of the air supplied to the nozzle (), and a distributor for regulating the two streams of air.