Process and equipment for producing fiberboard
CA 1047293 A · Owner: Fulguritwerke Seelze · Inventors: Exner, Gunter; Rzepka, Leon G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a process for producing fiber boards wherein a felt band, loaded with a fiber layer is led between a format roll and a breast roll and wherein, the loading of the felt band is carried out by deposition and to a set-up for the carrying out of the process. In accordance with the invention, the fiber layer is condensed and dewatered, after it is deposited on the felt band in a, set-up consisting of a filter cylinder and a couch roll associated with it. The set up further includes for loading, the felt band, a deposition tank arranged on one side of the felt band and a vacuum tank on its opposite side. The deposition tank preceeds the filter cylinder and couch roll in …
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 January 30, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 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.