Gas blowing nozzle
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 18, 2015
Grant Date -
May 2, 2013
app pub date -
Jun 23, 2011
filing date -
Jul 6, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
This invention relates to a gas blowing nozzle for blowing a gas to a molten metal in a furnace, the gas blowing nozzle including: a first nozzle section including a plurality of first narrow metal pipes having open furnace-side tips exposed to an inside of the furnace and being in the state of capable of blowing a gas to the molten metal in the furnace, a first surge tank communicated with the first narrow metal pipes, and a first refractory protecting the first narrow metal pipes and the first surge tank; and a second nozzle section including a plurality of second narrow metal pipes, a second surge tank communicated with the second narrow metal pipes, and a second refractory protecting the second narrow metal pipes and the second surge tank.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2011 Application Filing Year
- F27B Class
- 163 Applications Filed
- 135 Patents Issued To-Date
- 82.83 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F27B Class
- 0 % this patent is cited more than
- 10 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 18, 2027 |
