Title:
NOZZLE AND NOZZLE UNIT
Document Type and Number:
WIPO Patent Application WO/2024/004765
Kind Code:
A1
Abstract:
This nozzle comprises a base portion containing ceramic as a main component, and a through-hole. The base portion has a first portion, a second portion, and a third portion. The first portion has a first outer wall face having a cylindrical shape. The cone-shaped second portion has a second outer wall face that is connected to the first outer wall face and has a first outer diameter that decreases in size as a distance from a first end face increases. The third portion has a third outer wall face that has a cylindrical shape and is connected to the second outer wall face. The through-hole has a first hole portion, a second hole portion, and a third hole portion. The first hole portion has a first hole diameter and is positioned in the first portion. The second hole portion has a second hole diameter and is positioned from the first portion to the second portion. The third hole portion has a third hole diameter and is positioned from the second portion to the third portion. The second hole diameter decreases in size as a distance from the first portion increases. The third hole diameter is constant.
Inventors:
MIZUKOSHI TOSHIYUKI (JP)
Application Number:
PCT/JP2023/022790
Publication Date:
January 04, 2024
Filing Date:
June 20, 2023
Export Citation:
Assignee:
KYOCERA CORP (JP)
International Classes:
B05B1/02; B05C5/00
Foreign References:
| JP2003340318A | 2003-12-02 | |||
| JP2007268532A | 2007-10-18 | |||
| JP2003181326A | 2003-07-02 | |||
| JPH05200328A | 1993-08-10 | |||
| JP2000262944A | 2000-09-26 | |||
| JP2008272710A | 2008-11-13 | |||
| CN209829298U | 2019-12-24 |
Attorney, Agent or Firm:
ARAFUNE Hiroshi et al. (JP)
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