Spray application of aqueous paints by controlling temperature and relative humidity of air in the spray zone
CA 1069774 A · Owner: E.I. Du Pont De Nemours And Company · Inventors: Govindan, Tirunillayi S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The process is directed towards an improvement in the application of an aqueous paint to a substrate by air spraying the paint with a spray gun utilizing atomizing air at a flow rate of about 5-40 cubic feet per minute at an air pressure Or 30-95 pounds per square inch at the spray gun and paint flow rate of about 5-30 ounces per minute wherein the, air atomized paint is applied to the substrate and baked to form a uniform finish on the substrate; the improvement that is used with this process comprises spraying atomized paint in an atmosphere that is controlled at a temperature of about 15-40°C. and at such a relative humidity that the air has a drive force value with the range of 0.002 to …
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 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 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.