×

PROCESS FOR THE SPRAY APPLICATION OF AQUEOUS PAINTS BY UTILIZING AN AIR SHROUD

  • US 3,857,511 A
  • Filed: 07/31/1973
  • Issued: 12/31/1974
  • Est. Priority Date: 07/31/1973
  • Status: Expired due to Term
First Claim
Patent Images

1. In the process for applying an aqueous paint of a thermosetting acrylic enamel to a substrate by air-spraying the paint with a spray gun utilizing atomized air at a flow rate of 5-40 cubic feet per minute and at an air pressure of 30-95 pounds per square inch at the spray gun and a paint flow rate of 5-30 ounces per minute which forms a cone of air atomized paint which is appliedd to the substrate and baked to form a uniform finish on the substrate, the improvement in the use therewith comprising an air shroud that substantially encircles the cone of air atomized paint, wherein the air of the shroud is at 15*-95*C. and the air flow rate is 10-250 cubic feet per minute, and wherein the air shroud provides a uniform atmosphere for drying the aqueous paint during spraying of the substrate.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×