JPH0235113A - コンクリートパイル継手金具の製造方法 - Google Patents
コンクリートパイル継手金具の製造方法Info
- Publication number
- JPH0235113A JPH0235113A JP18366888A JP18366888A JPH0235113A JP H0235113 A JPH0235113 A JP H0235113A JP 18366888 A JP18366888 A JP 18366888A JP 18366888 A JP18366888 A JP 18366888A JP H0235113 A JPH0235113 A JP H0235113A
- Authority
- JP
- Japan
- Prior art keywords
- thickness
- bottom plate
- cylindrical
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 230000008878 coupling Effects 0.000 title abstract 3
- 238000010168 coupling process Methods 0.000 title abstract 3
- 238000005859 coupling reaction Methods 0.000 title abstract 3
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 239000011265 semifinished product Substances 0.000 claims description 7
- 238000003466 welding Methods 0.000 abstract description 15
- 230000007547 defect Effects 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 238000004080 punching Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000003908 quality control method Methods 0.000 description 2
- 239000002994 raw material Substances 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
- 230000000694 effects 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
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005482 strain hardening 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 true JPH0235113A (ja) | 1990-02-05 |
JPH0559213B2 JPH0559213B2 (enrdf_load_html_response) | 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_html_response) |
Cited By (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 |
CN102699683A (zh) * | 2012-01-10 | 2012-10-03 | 浙江博雷重型机床制造有限公司 | 螺旋地桩自动生产线 |
JP2020153179A (ja) * | 2019-03-22 | 2020-09-24 | 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
Cited By (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 |
CN102699683A (zh) * | 2012-01-10 | 2012-10-03 | 浙江博雷重型机床制造有限公司 | 螺旋地桩自动生产线 |
JP2020153179A (ja) * | 2019-03-22 | 2020-09-24 | 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 |
Also Published As
Publication number | Publication date |
---|---|
JPH0559213B2 (enrdf_load_html_response) | 1993-08-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US6397881B1 (en) | Method for improving fatigue strength due to repeated pressure at branch hole part in member for high pressure fluid, branch hole part of member for high pressure fluid formed by the method, and member for high pressure fluid with built-in slider having the branch hole | |
US4069572A (en) | Method of making clutch pulley assembly | |
EP0350927B1 (en) | Composite bar structures of interlocked multiple members and method of producing the same | |
CA1165545A (en) | Method of joining two metal members | |
JPH0235113A (ja) | コンクリートパイル継手金具の製造方法 | |
US4574583A (en) | Opening roller arrangement | |
EP2464901B1 (en) | Bimetallic static gasket and method of construction thereof | |
US4096374A (en) | Method of joining surfaces using a ball weldable material | |
US4927190A (en) | Hose fitting | |
US4593938A (en) | Welding ring | |
US3402870A (en) | Explosive tube welding device | |
JPH02197377A (ja) | パイプの継手構造およびパイプの接合方法 | |
US3481580A (en) | Gate valve body and seat construction | |
JPS64437Y2 (enrdf_load_html_response) | ||
CA1147711A (en) | Integral end closure and hub for valve body and method of forming same | |
JPS5950975A (ja) | 2本の金属管の溶接方法 | |
FR2435976A1 (fr) | Procede de fabrication de poutrelles metalliques a ailes paralleles, et installation pour sa mise en oeuvre | |
EP0067246A2 (en) | Improved silencer and process for its manufacture | |
JP2002021878A (ja) | 一方向クラッチ用リテーナの製造方法 | |
JPH07190265A (ja) | 管継手の製造方法及び管継手のハウジング | |
JPH0315627Y2 (enrdf_load_html_response) | ||
JPH06190479A (ja) | 組立式カムシャフトの製造方法 | |
JPH0119972B2 (enrdf_load_html_response) | ||
JP2002239651A (ja) | ボス部付き板金物及びその製造方法 | |
USRE20103E (en) | spatta |