Web transport apparatus
CA 1062299 A · Owner: Eastman Kodak Company · Inventors: Lowry, Harold D.; Allen, Robert F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A transport apparatus comprising a transport strip wrapped helically around a stationary porous conduit closed off at one end. Liquid under pressure is forced into the open end of the conduit and through the openings in the periphery of the porous condiut, producing a liquid layer between the outer conduit surface and transport strip. A web to be transported, of random length and width is inserted, between the transport strip and the outer surface of the porous conduit and becomes adjoined to the transport strip under the influence of liquid pressure and liquid cohesion. Thus, advancing the transport strip also advances the web, both being supported by the liquid layer which acts as a …
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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 September 11, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 11, 1996.
- 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.