GLASS PRODUCING APPARATUS AND CONSTITUENTS OF THE SAME

摘要

The present invention provides a platinum or a platinum alloy structure suitable as a conduit tube for molten glass, and a molten-glass-producing apparatus employing the structure as a conduit tube for molten glass. A platinum or platinum alloy structure to be used under high-temperature environment, comprising a hollow tube body and a flange provided on the outer periphery of the hollow tube body so as to extend radially therefrom, wherein the flange is provided with a stress-strain-absorbing structure.