Immersion nozzle for continuous casting
AssigneeKrosaki Harima Corporation
InventorsKoji Kido, Joji Kurisu, Hiroshi Otsuka, Arito Mizobe, Takahiro Kuroda
Life of this patent
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Abstract
An immersion nozzle for continuous casting, including (1) a tubular body with a bottom, the tubular body having an inlet for entry of molten steel disposed at an upper end and a passage extending inside the tubular body downward from the inlet, and (2) a pair of opposing outlets disposed in a sidewall at a lower section of the tubular body so as to communicate with the passage, the nozzle comprising: a pair of opposing ridges horizontally projecting into the passage from an inner wall between the pair of outlets, the inner wall defining the passage.
Claims9
An immersion nozzle for continuous casting, comprising:
- a tubular body with a bottom, the tubular body having an inlet for entry of molten steel disposed at an upper end and a passage extending inside the tubular body downward from the inlet,
- a pair of opposing outlets disposed in a sidewall at a lower section of the tubular body so as to communicate with the passage;
- and
- a pair of opposing ridges horizontally projecting into the passage from an inner wall between the pair of outlets, the inner wall defining the passage,
- wherein each of the ridges extends from a border between one outlet and a side of the inner wall to another border between the opposite outlet and an opposite side of the inner wall.
Dependencies are inferred from the claim text.