Patent ID: 8434329
Filing Date: 2013-05-07
Classification: B01F,C03B

Abstract:
1. An apparatus for use in processing molten glass, the apparatus comprising a shank having at least one tube which is composed, at least in part, of an oxide dispersion-strengthened PGM material; an actuating device arranged on the shank; and a tubular device, wherein said actuating device includes a hollow portion, said shank includes at least one thickened portion at a location where the actuating device is connected to the shank, said tubular device extends into the hollow portion of the actuating device, said actuating device is adapted for contacting molten glass, the shank includes a sleeve for strengthening the shank against evaporation that results from being placed in contact with molten glass, and the shank includes an orifice, and there is arranged a clearance between the shank and the sleeve, at a location adjacent to a weld seam of a blade element, for venting air located in a region of the weld seam into an interior of the shank.