Chemical apparatus and process disinfecting – deodorizing – preser – Process disinfecting – preserving – deodorizing – or sterilizing – Using disinfecting or sterilizing substance
Patent
1990-07-18
1992-05-19
Warden, Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Process disinfecting, preserving, deodorizing, or sterilizing
Using disinfecting or sterilizing substance
422 31, 422 33, 53426, 53167, 34156, A61L 200, B65B 5504
Patent
active
051146711
ABSTRACT:
A method of sterilizing a material web is disclosed and involves directing a material web toward the inlet of a chamber having constriction zones located therein whose flow area is less than the flow area of other portions of the chamber. The material web is moved through the inlet and through the constriction zone while a gaseous sterilizing agent is introduced into the chamber on one side of the constriction zone and while a vacuum is being drawn in the chamber from an opposite side of the constriction zone. The constriction zone causes the gaseous sterilizing agent to accelerate and flow in close contact with the material web at very high speed to ensure that the gaseous sterilizing agent contacts and is uniformly distributed over the whole width of the material web so that effective sterilization of the entire material web takes place.
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Roby Teknik AB
Trembley Theresa A.
Warden Robert J.
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