Patent ID: 6206968
Filing Date: 2001-03-27
Classification: B05B,F04B

Abstract:
An adapted for use in supplying doses of a coating material to products retained in a coating pan comprising, a pan pump means, means for supporting said pan pump means relative to said coating pan, a coating solution container, said pan pump means including a metering cylinder and a solution dispensing cylinder, a first metering piston mounted within said metering cylinder to a piston rod, means connected to said metering cylinder for moving said first piston between a first position and a second position within said metering cylinder, said piston rod extending into said solution dispensing cylinder and supporting a second piston member, means for connecting said solution dispensing cylinder to said coating solution container such that as said metering piston is moved from a first position to a second position said second piston is moved from a first position to a second position drawing coating solution into said coating dispensing cylinder, a coating solution injector adapted to introduce coating solution into said coating pan, and means for connecting said injector to said solution dispensing cylinder such that coating solution within said solution dispensing cylinder is urged from said solution dispensing cylinder and through said solution injector as said metering piston is moved from said second position toward said first position thereby moving said second piston from said second position toward said first position thereof.