Method of making fibre mats
CA 1278470 C · Owner: Sunds Defibrator Aktiebolag · Inventors: Toll, Harry
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
For use as carcass in laminates a mat of fibrous material is manufactured by exposing and impregnating the fibres. The fibres are thereafter dried and formed into a web by being deposited on a movable belt or "wire". The final forming of the web to a fibre mat is carried out by pressing in at least one step.
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 2, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 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.