Non-stick coating of utensil surface, employs polymer powder coating with surface pre-heating, which is prolonged whilst powdered state persists

摘要

The surface of the object is heated to a predetermined temperature. A powdered polymer coating is deposited onto it. Heating is continued at least whilst the deposit remains in the powdered state. The surface of the object is heated to a predetermined temperature. A powdered polymer coating is deposited onto it. Heating is continued at least whilst the deposit remains in the powdered state. The object (11) is preheated (14) then deposition (13) takes place, followed by further heating (14') whilst powder remains. An Independent claim is included for corresponding plant.