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US 5,961,874 AGranted
Flat formed submerged entry nozzle for continuous casting of steel
AssigneesToshiba Ceramics Co., Ltd., Sumitomo Metal Industries, Ltd.
InventorsEtsuhiro Hasebe, Tetsuro Fushimi, Tatsuya Shimoda, Yoichiro Mochizuki, Tadasu Takigawa, Toshihiko Murakami, Sei Hiraki
Life of this patent
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Abstract
In a flat casting nozzle 10 having a taper 13, the position of the terminal end 14 of the taper 13 formed on the long edge side and the position of the terminal end 17 of a taper 16 formed on the short edge side are mutually shifted.
Claims13
A flat-formed submerged entry nozzle for a continuous casting of steel, comprising:
- an upper part;
- a taper part extending below the upper end part, the taper part having a long edge side and a short edge side, the long edge side having a first taper and the short edge side having a second taper;
- and
- a terminal part extending below the taper part, the terminal part having a flattened nozzle configuration,
- wherein each of the first and second taper has a respective lower terminal edge line, and
- wherein the lower terminal edge line of the first taper is vertically displaced from the lower terminal edge line of the second taper.
3 more elements
A flat-formed submerged entry nozzle for a continuous casting of steel, comprising:
- a cylindrical upper part;
- a taper part extending below the upper end part, the taper part having a long edge side and a short edge side, the long edge side having a first taper and the short edge side having a second taper;
- and
- a terminal part having a rectangular cross-section extending below the taper part,
- wherein each of the first and second taper has a respective lower horizontal terminal edge line, and
- wherein the lower horizontal terminal edge line of the first taper is vertically displaced from the lower horizontal terminal edge line of the second taper.
3 more elements
Dependencies are inferred from the claim text.