Patent ID: 8973522
Filing Date: 2015-03-10
Classification: B05B,Y10T

Abstract:
1. A spray gun for spraying a coating composition having a first component and a second component, said spray gun comprising: (A) a spray gun body comprising a carrier inlet, a first inlet connected to a first delivery path within said spray gun body connected to a spray nozzle, a second inlet connectable to a second delivery path, a spray trigger, and a spray nozzle assembly comprising said spray nozzle and an air cap, wherein said spray trigger has a stop position, a prespray position and a spray position; (B) a dual feeding cup assembly comprising a first cup, a second cup, and a cup connection coupling affixing said first cup and said second cup together side-by-side, wherein said cup connection coupling is connectable to said spray gun body; (C) a hollow spray needle having a longitudinal channel therein, a channel opening at one end of said hollow spray needle, and a needle inlet at the other end of said hollow spray needle distal to said channel opening; said first component and said second component are maintained separated in said spray gun and said dual feeding cup assembly; said first inlet is configured to receive said first component by gravity and connected to said first delivery path to convey said first component to said spray nozzle assembly when said spray trigger is at said spray position; said second inlet is configured to receive said second component by gravity and to convey said second component to said spray nozzle assembly when said spray trigger is at said spray position; and said needle inlet is connected to said second inlet when said trigger is at said spray position, and said needle inlet is disconnected to said second inlet when said spray trigger is at said stop position.