KR850004910A - Cold manufacturing method of pipe connection made of soft steel pipe - Google Patents
Cold manufacturing method of pipe connection made of soft steel pipe Download PDFInfo
- Publication number
- KR850004910A KR850004910A KR1019830005957A KR830005957A KR850004910A KR 850004910 A KR850004910 A KR 850004910A KR 1019830005957 A KR1019830005957 A KR 1019830005957A KR 830005957 A KR830005957 A KR 830005957A KR 850004910 A KR850004910 A KR 850004910A
- Authority
- KR
- South Korea
- Prior art keywords
- pipe
- soft steel
- steel pipe
- forming
- inclined surface
- Prior art date
Links
Landscapes
- Forging (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
내용 없음No content
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.
제1도는 본 발명의 소재의 단면도,1 is a cross-sectional view of the raw material of the present invention,
제2도는 본 발명의 제2공정의 설명도,2 is an explanatory diagram of a second step of the present invention;
제3도는 본 발명의 제3공정의 설명도.3 is an explanatory diagram of a third step of the present invention.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019830005957A KR850004910A (en) | 1983-12-14 | 1983-12-14 | Cold manufacturing method of pipe connection made of soft steel pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019830005957A KR850004910A (en) | 1983-12-14 | 1983-12-14 | Cold manufacturing method of pipe connection made of soft steel pipe |
Publications (1)
Publication Number | Publication Date |
---|---|
KR850004910A true KR850004910A (en) | 1985-08-19 |
Family
ID=57210809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019830005957A KR850004910A (en) | 1983-12-14 | 1983-12-14 | Cold manufacturing method of pipe connection made of soft steel pipe |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR850004910A (en) |
-
1983
- 1983-12-14 KR KR1019830005957A patent/KR850004910A/en not_active Application Discontinuation
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
E902 | Notification of reason for refusal | ||
E601 | Decision to refuse application |