US 11,964,300 B2
Process and device for quick dry and or rapid set aqueous external coatings
David Farrell, Deerfield Beach, FL (US); Robert Salars, Deerfield Beach, FL (US); Shawn Carney, Deerfield Beach, FL (US); Harold Sheldon Watkins, Deerfield Beach, FL (US); Betiana A. Acha, Deerfield Beach, FL (US); Ariel Lender, Deerfield Beach, FL (US); and Louis L. Grube, Deerfield Beach, FL (US)
Assigned to Polyglass S.p.A., Ponte di Piave (IT)
Filed by POLYGLASS S.p.A., Ponte di Piave (IT)
Filed on Feb. 10, 2020, as Appl. No. 16/785,993.
Claims priority of provisional application 62/803,044, filed on Feb. 8, 2019.
Prior Publication US 2020/0254481 A1, Aug. 13, 2020
Int. Cl. B05B 7/08 (2006.01); B05B 12/00 (2018.01); B05B 15/20 (2018.01); B05D 1/02 (2006.01); B05D 1/34 (2006.01)
CPC B05D 1/34 (2013.01) [B05B 7/08 (2013.01); B05B 12/002 (2013.01); B05B 15/20 (2018.02); B05D 1/02 (2013.01)] 27 Claims
OG exemplary drawing
 
1. A cospray gun comprising:
a liquid resin that is liquid and a resin;
a liquid accelerator that is liquid and an accelerator;
a resin nozzle;
a resin supply line connected to the resin nozzle, wherein the resin supply line is configured to supply the liquid resin to the resin nozzle;
an accelerator nozzle; and
an accelerator supply line connected to the accelerator nozzle, wherein the accelerator supply line is configured to supply the liquid accelerator to the accelerator nozzle;
wherein:
an angle between the resin nozzle and the accelerator nozzle is adjustable,
the cospray gun is an airless cospray gun that does not use air to pressurize the liquid resin through the resin supply line and does not use air to pressurize the liquid accelerator through the accelerator supply line,
the resin nozzle and the accelerator nozzle are configured to intermingle and mix the liquid resin and the liquid accelerator external to the cospray gun, and
the liquid accelerator is configured to, after intermingling and mixing of the liquid resin and the liquid accelerator, accelerate curing of the liquid resin.