Spray nozzle for spray gun for forming a polyurethane layer on a surface
CA 2011983 C · Owner: Recticel Automobilsysteme Gmbh · Inventors: Debaes, Bernard; De Winter, Hugo; Buyck, Philippe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A spray nozzle for spray gun for forming a polyurethane layer on a surface by spraying the reaction components for obtaining this polyurethane, comprising a spray piece (21) with a funnel-shaped cavity (27) which is connected to a supply channel (19) of said reaction components and flows out in a cylindrical channel (29) which connects this cavity (27) to a spray opening (22) a core, (17) being detachably placed in the spray piece (21) which allows to lead the reaction components and/or the already formed polyurethane according to a screw or whirling movement through said spray opening a funnel-shaped diffuser (33) being connected to the spray opening (22) which allows to realize a …
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
- Filed March 12, 1990 and granted May 4, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 12, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 12, 2012.
- 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.