KR900014076A - Opening ball processing method of valve device - Google Patents
Opening ball processing method of valve device Download PDFInfo
- Publication number
- KR900014076A KR900014076A KR1019890002625A KR890002625A KR900014076A KR 900014076 A KR900014076 A KR 900014076A KR 1019890002625 A KR1019890002625 A KR 1019890002625A KR 890002625 A KR890002625 A KR 890002625A KR 900014076 A KR900014076 A KR 900014076A
- Authority
- KR
- South Korea
- Prior art keywords
- processing method
- valve device
- ball processing
- opening ball
- circumferential surface
- Prior art date
Links
Abstract
내용 없음No content
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.
제1도는 본 발명의 종단면도.1 is a longitudinal cross-sectional view of the present invention.
제2도는 제1도의 측단면도.2 is a side cross-sectional view of FIG.
제3도의 (가)(나)는 본 발명의 가공상태를 예시한 단면도.(A) (b) of FIG. 3 is sectional drawing which illustrated the processing state of this invention.
제4도는 본 발명의 사용상태에 대한 단면도.4 is a cross-sectional view of the state of use of the present invention.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019890002625A KR900014076A (en) | 1989-03-03 | 1989-03-03 | Opening ball processing method of valve device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019890002625A KR900014076A (en) | 1989-03-03 | 1989-03-03 | Opening ball processing method of valve device |
Publications (1)
Publication Number | Publication Date |
---|---|
KR900014076A true KR900014076A (en) | 1990-10-22 |
Family
ID=68051333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890002625A KR900014076A (en) | 1989-03-03 | 1989-03-03 | Opening ball processing method of valve device |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR900014076A (en) |
-
1989
- 1989-03-03 KR KR1019890002625A patent/KR900014076A/en not_active Application Discontinuation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E601 | Decision to refuse application |