Processes of applying urethane top coatings to resilient floor coverings
CA 1079133 A · Owner: Congoleum Corporation · Inventors: Conger, Robert P.; Pogozelski, Vincent F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a process for manufacturing a resilient resinous, floor covering having a polyurethane surface coating the, in-line manufacturing improvement which comprises: applying. to a foamable resinous sheet material a urethane coating composition having a viscosity in the range of from about 10 centipoises to about 100 centipoises, the application of the urethane coating composition being accomplished by a reverseroll coating procedure wherein the casting ratio is in the range of from about 0.8:1 to about 1.1:1; and then in an, in-line manufacturing step, heating the coated foamable, resinous sheet material to dry and to cure the urethane coating composition and to blow the foamable, resinous …
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 June 10, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 10, 1997.
- 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.