MUMBAI, India, Nov. 2 -- Intellectual Property India has published a patent application (202647126077 A) filed by Krosakiharima Corporation on October 22, 2026, for Method For Manufacturing Continuous Casting Stopper.
Inventors include Fukunaga, Shinichi; Kaku, Toshio; Amano, Jiro; and Abe, Yusuke.
The application for the patent was published on October 30, 2026, under issue no. 44/2026.
Abstract: The present invention provides a method for manufacturing a continuous casting stopper capable of uniformly discharging gas from a fitting portion with a nozzle or from the vicinity of the fitting portion. The present invention is a method for manufacturing a continuous casting stopper 1 that has a gas pool in a center portion in the vertical direction and a plurality of through-holes for gas discharge penetrating from the gas pool to an outer surface of a fitting portion with a nozzle underneath or of the vicinity of the fitting portion, the through-holes being formed of a thread-like disappearing body 3 composed of a material that disappears through heat treatment, the method being characterized in that the thread-like disappearing body 3 includes a large cross section portion 31 positioned on the gas pool side, and a small cross section portion 32 positioned on the outer surface side and having a cross sectional area smaller than that of the large cross section portion 31, wherein the length of the large cross section portion 31 is longer than the length of the small cross section portion 32.
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