JPH0723041Y2 - 継目無鋼管製造用プラグバー - Google Patents
継目無鋼管製造用プラグバーInfo
- Publication number
- JPH0723041Y2 JPH0723041Y2 JP1990076561U JP7656190U JPH0723041Y2 JP H0723041 Y2 JPH0723041 Y2 JP H0723041Y2 JP 1990076561 U JP1990076561 U JP 1990076561U JP 7656190 U JP7656190 U JP 7656190U JP H0723041 Y2 JPH0723041 Y2 JP H0723041Y2
- Authority
- JP
- Japan
- Prior art keywords
- bar
- plunger
- tip
- plug
- rear end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 title claims description 23
- 239000010959 steel Substances 0.000 title claims description 23
- 238000004519 manufacturing process Methods 0.000 title description 3
- 239000002184 metal Substances 0.000 claims description 31
- 230000002093 peripheral effect Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 239000011800 void material Substances 0.000 description 6
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Forging (AREA)
- Pipe Accessories (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990076561U JPH0723041Y2 (ja) | 1990-07-20 | 1990-07-20 | 継目無鋼管製造用プラグバー |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990076561U JPH0723041Y2 (ja) | 1990-07-20 | 1990-07-20 | 継目無鋼管製造用プラグバー |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0439501U JPH0439501U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-04-03 |
JPH0723041Y2 true JPH0723041Y2 (ja) | 1995-05-31 |
Family
ID=31618144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990076561U Expired - Lifetime JPH0723041Y2 (ja) | 1990-07-20 | 1990-07-20 | 継目無鋼管製造用プラグバー |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0723041Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58179901U (ja) * | 1982-05-28 | 1983-12-01 | 住友金属工業株式会社 | 芯金循環型穿孔プラグの取付部構造 |
-
1990
- 1990-07-20 JP JP1990076561U patent/JPH0723041Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0439501U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1992-04-03 |