JPS61102312U - - Google Patents
Info
- Publication number
- JPS61102312U JPS61102312U JP18606484U JP18606484U JPS61102312U JP S61102312 U JPS61102312 U JP S61102312U JP 18606484 U JP18606484 U JP 18606484U JP 18606484 U JP18606484 U JP 18606484U JP S61102312 U JPS61102312 U JP S61102312U
- Authority
- JP
- Japan
- Prior art keywords
- mandrel
- blocks
- block
- guide member
- contractible
- 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
- 230000008602 contraction Effects 0.000 claims 1
- 230000004048 modification Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
- Metal Extraction Processes (AREA)
- Coating Apparatus (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Description
第１図はこの考案を実施した修正装置の縦断面
図、第２図は第１図の側面図、第３図はパイプ材
の修正時に於ける拡径状態を示す修正装置の縦断
面図、第４図は第３図の側面図である。
１……マンドレル、２……ブロツク、２ａ……
円錐面、５……円錐凹部、６……シリンダ、１２
……ガイド部材。
FIG. 1 is a longitudinal sectional view of a correction device implementing this invention, FIG. 2 is a side view of FIG. FIG. 4 is a side view of FIG. 3. 1...Mandrel, 2...Block, 2a...
Conical surface, 5... Conical recess, 6... Cylinder, 12
...Guide member.
Claims (1)
面状に形成して成る断面略扇状のブロツクを複数
個組合せてマンドレルを構成し、前記複数個のブ
ロツクをその内部において拡縮自在に連結する一
方、マンドレル内側の円錐凹部に、各ブロツクを
半径方向に拡縮駆動させるためのシリンダを内装
し、前記マンドレルの側面に、各ブロツクの拡縮
作動をガイドさせるためのガイド部材を設けたこ
とを特徴とするパイプ材の修正装置。 A mandrel is constructed by combining a plurality of blocks having an arcuate outer circumferential surface and a conical inner surface, each having a substantially fan-shaped cross section, and the plurality of blocks are connected within the mandrel so as to be expandable and contractible. A cylinder for driving each block to expand and contract in the radial direction is installed in the conical recess inside the mandrel, and a guide member is provided on the side surface of the mandrel for guiding the expansion and contraction operation of each block. Pipe material modification equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18606484U JPH0239608Y2 (en) | 1984-12-10 | 1984-12-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18606484U JPH0239608Y2 (en) | 1984-12-10 | 1984-12-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61102312U true JPS61102312U (en) | 1986-06-30 |
| JPH0239608Y2 JPH0239608Y2 (en) | 1990-10-24 |
Family
ID=30743524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18606484U Expired JPH0239608Y2 (en) | 1984-12-10 | 1984-12-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0239608Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010142821A (en) * | 2008-12-16 | 2010-07-01 | Ck Metals Co Ltd | Tool for preventing inside-diameter buckling |
| JP2018103230A (en) * | 2016-12-27 | 2018-07-05 | 株式会社富士機械工作所 | Pipe contraction device |
-
1984
- 1984-12-10 JP JP18606484U patent/JPH0239608Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010142821A (en) * | 2008-12-16 | 2010-07-01 | Ck Metals Co Ltd | Tool for preventing inside-diameter buckling |
| JP2018103230A (en) * | 2016-12-27 | 2018-07-05 | 株式会社富士機械工作所 | Pipe contraction device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0239608Y2 (en) | 1990-10-24 |