Title:
NOZZLE FOR REMOVING SCALE OF STEEL PLATE, SCALE REMOVING DEVICE FOR STEEL PLATE, AND METHOD FOR REMOVING SCALE OF STEEL PLATE
Document Type and Number:
WIPO Patent Application WO/2012/081716
Kind Code:
A1
Abstract:
Provided is a nozzle for removing a scale of a steel plate, which is capable of effectively removing the scale. A nozzle for scale removal (1) has a discharge section on a nozzle end, the discharge section having: a tapered section (16) provided continuously to a large diameter section forming a cylindrical flow path; a first orifice (20) formed on an exit side of the tapered section; a resonant chamber (19) provided continuously to an exit side of the first orifice and having the radial size which is larger than the major axis of the first orifice (20); and a second orifice (15) formed on an exit side of the resonant chamber (19).
Inventors:
KARUBE KENTA (JP)
Application Number:
PCT/JP2011/079271
Publication Date:
June 21, 2012
Filing Date:
December 13, 2011
Export Citation:
Assignee:
JFE STEEL CORP (JP)
KARUBE KENTA (JP)
KARUBE KENTA (JP)
International Classes:
B21B45/08; B05B1/02
Foreign References:
| JPH05317815A | 1993-12-03 | |||
| JPH08257998A | 1996-10-08 | |||
| JP2001062410A | 2001-03-13 | |||
| JP2005034908A | 2005-02-10 | |||
| JPH01249214A | 1989-10-04 | |||
| JPS581167B2 | 1983-01-10 | |||
| JPS6015684B2 | 1985-04-20 | |||
| JP4084295B2 | 2008-04-30 | |||
| JP3129967B2 | 2001-01-31 |
Other References:
See also references of EP 2653243A4
Attorney, Agent or Firm:
OCHIAI, Kenichiro (JP)
Ken-ichiro Ochiai (JP)
Ken-ichiro Ochiai (JP)
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Claims: