Curtain coater for fluid binder application
CA 2311591 A1 · Owner: Owens Corning · Inventors: Klett, Paul A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A binder applicator (10) for applying binder to a moving substrate includes a distribution pipe (12) extending transverse to the direction of movement of the substrate, with the distribution pipe (12) having a bottom (30) provided with a discharge opening (32). A distributor channel (14) receives liquid binder from the discharge opening (32) and directs the liquid binder upward. A horizontal reservoir (48) receives the liquid binder material from the distributor channel (14), and a weir meters the discharge of the binder from the horizontal reservoir (48) to form a thin horizontal flow of liquid binder material. A curved surface (62) receives the thin flow of binder material and …
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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
- Filed December 10, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 10, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 10, 2020.
- 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.