Wide laminar fluid doors
CA 1281584 C · Owner: Union Carbide Corporation · Inventors: Nowotarski, Mark Stephen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a method and apparatus for reducing the amount of an external fluid which travels through an opening into an enclosed area. The invention also relates to a method and apparatus for protecting a surface area or plane from contact with or intermixing with an external fluid, The method, in general comprises causing a, fluid to flow, in laminar form in proximity to or, directly across an opening a surface or an area, plane to be protected. The depth or thickness of the flowing laminar fluid layer at its source of origin is at least about 0.05 times the distance across the opening, surface area or plane to be protected, in the principal direction of flow of the …
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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 March 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 19, 2008.
- 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.