Patent ID: 9469894
Filing Date: 2016-10-18
CPC Classification: C23C

Claim Text:
1. Apparatus for coating moving strip material with a metallic coating material, the apparatus comprising a container for holding metallic coating material, the strip running through the container during use, and comprising a wiping device for controlling the thickness of the coating on the strip, wherein the container is provided with an opening for the strip leaving the container, wherein the wiping device comprises one pair of opposed foils or sheets for producing the coating, wherein the opposed foils or sheets comprise respective opposed surfaces which define an elongated strip passageway, for running the strip through the wiping device during use, the elongated strip passageway extending between the opening for the strip leaving the container and a strip outlet for the strip leaving the wiping device, a first pair of opposed portions of the one pair of opposed foils or sheets surfaces defining a strip inlet for the strip entering the wiping device, a second pair of opposed portions of the one pair of opposed foils or sheets surfaces defining the strip outlet for the strip leaving the wiping device, the strip inlet and strip outlet being spaced apart and located at opposite ends of the elongated strip passageway and defined by the one pair of the opposed foils or sheets, wherein the opening for the strip leaving the container is in communication with the strip inlet for the strip entering the wiping device for the strip to run from the container into the elongated strip passageway of the wiping device during use, and pressing means comprising pressing surfaces engaging outer surfaces of the opposed foils or sheets and pressing inwardly at least an elongated portion of the opposed foils or sheets towards the strip located between the opposed foils or sheets during use along at least a portion of the elongated strip passageway between the opening for the strip leaving the container and the strip outlet for the strip leaving the wiping device, wherein walls of the container forming the opening for the strip leaving the container are directly coupled to the first pair of portions of the foils or sheets defining the strip inlet of the elongated strip passageway of the wiping device.