The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 27, 2023
Filed:
Jul. 19, 2019
Baoshan Iron & Steel Co., Ltd., Shanghai, CN;
Jianjun Zhi, Shanghai, CN;
Zhengjie Fan, Shanghai, CN;
Xufeng Liu, Shanghai, CN;
Hua Gao, Shanghai, CN;
Zhiqiang Zhang, Shanghai, CN;
Guoqiang Liu, Shanghai, CN;
BAOSHAN IRON & STEEL CO., LTD., Shanghai, CN;
Abstract
A tundish, wherein a steel passing hole () is provided at a lower portion of a gas-curtain weir refractory body (); an argon duct (), a gas chamber () and a gas-permeable brick () are connected to form a gas-curtain generating device, and the gas-curtain generating device is installed at the lower portion of the gas-curtain weir refractory body (); the gas-permeable brick () is provided in association with the position of the steel passing hole (), and a length of the gas-permeable brick is designed larger than a width of the steel passing hole (); and a gas-curtain weir plate () is provided in a tundish container, the gas-curtain weir refractory body () crosses the tundish container horizontally, and divides the tundish container into a first region and a second region.