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US 4,233,271 AGranted
Arrangement for the sterilizing of a packing material web
AssigneeTetra Pak International AB
InventorsErnst G. Ernstsson, Alfred Fuchs
Life of this patent
Estimating the term…
Abstract
A arrangement for the sterilization of a web of packing material is provided which includes a container having an outer wall including an opening. A bath of sterilizing liquid is disposed within the container, with said liquid being conveyed onto the web by a rotary brush as the web is conveyed across the opening. Means to collect sterilizing liquid within the container after having contacted the web may also be provided.
Claims7
An arrangement for the sterilizing of a web of packing material which is subsequently formed into packing containers comprising:
- a container for a sterilizing liquid, said container having an outer wall, said outer wall having an opening therein;
- a rotary brush disposed within said container, means mounting said brush for rotation about an axis, a first portion of said outer wall that is adjacent said opening being closer to said axis than a second portion of said outer wall that is on the opposite side of said opening from said axis, and said outer wall being spaced progressively closer to said axis from said second portion toward said first portion;
- said container including a reservoir to receive sterilizing liquid along said second portion;
- and
- means to convey a web of packing material across said opening whereby said rotary brush dips into said reservoir and cooperates with said outer wall to concentrate the flow of sterilizing liquid toward and into contact with said packing material web.
2 more elements
Dependencies are inferred from the claim text.