Arrangement for the sterilizing of a travelling material web
CA 1315952 C · Owner: Roby Teknik Aktiebolag · Inventors: Olanders, Par
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An arrangement for the sterilization of a travelling material web which comprises a chamber with inlet and outlet for the web and also inlet and outlet openings for the sterilizing gas flow. The, chamber comprises constriction zones arranged between the inlet and the outlet which are connected to one another by an intermediate chamber portion and are designed so that the web can only just pass freely. The intermediate portion is in connection with a gas source through an opening whilst the constriction zones are connected to a vacuum source through one or more outlet openings .
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted April 13, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 13, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.