JPH0559213B2 - - Google Patents
Info
- Publication number
- JPH0559213B2 JPH0559213B2 JP18366888A JP18366888A JPH0559213B2 JP H0559213 B2 JPH0559213 B2 JP H0559213B2 JP 18366888 A JP18366888 A JP 18366888A JP 18366888 A JP18366888 A JP 18366888A JP H0559213 B2 JPH0559213 B2 JP H0559213B2
- Authority
- JP
- Japan
- Prior art keywords
- thickness
- manufacturing
- bottom plate
- cylindrical part
- plastic working
- 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
- 238000004519 manufacturing process Methods 0.000 claims description 23
- 238000000034 method Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000011265 semifinished product Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18366888A JPH0235113A (ja) | 1988-07-25 | 1988-07-25 | コンクリートパイル継手金具の製造方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18366888A JPH0235113A (ja) | 1988-07-25 | 1988-07-25 | コンクリートパイル継手金具の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0235113A JPH0235113A (ja) | 1990-02-05 |
| JPH0559213B2 true JPH0559213B2 (enrdf_load_stackoverflow) | 1993-08-30 |
Family
ID=16139839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18366888A Granted JPH0235113A (ja) | 1988-07-25 | 1988-07-25 | コンクリートパイル継手金具の製造方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0235113A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0583036U (ja) * | 1991-07-24 | 1993-11-09 | 株式会社クボタコンクリート | コンクリート杭の先端金具 |
| CN102699683B (zh) * | 2012-01-10 | 2014-07-30 | 浙江博雷重型机床制造有限公司 | 螺旋地桩自动生产线 |
| JP7261629B2 (ja) * | 2019-03-22 | 2023-04-20 | 日鉄建材株式会社 | 土中埋設鋼管用蓋体、土中埋設鋼管、および継手部材 |
-
1988
- 1988-07-25 JP JP18366888A patent/JPH0235113A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0235113A (ja) | 1990-02-05 |
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