JPH0293008U - - Google Patents
Info
- Publication number
- JPH0293008U JPH0293008U JP180189U JP180189U JPH0293008U JP H0293008 U JPH0293008 U JP H0293008U JP 180189 U JP180189 U JP 180189U JP 180189 U JP180189 U JP 180189U JP H0293008 U JPH0293008 U JP H0293008U
- Authority
- JP
- Japan
- Prior art keywords
- shank
- plug
- tip
- parallel
- threaded portion
- 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
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Metal Extraction Processes (AREA)
Description
第１図は本考案のプラグ取付構造の一実施例を
示す断面図、第２図は従来の大径管の冷間引き抜
き方法を説明するための断面図、第３図は必要部
分のみをプラグ用の工具鋼で作つた例を示す断面
図、第４図はプラグの内径に雌ねじ部を設けた例
を示す断面図である。
１…口付部、２…素管、３…頭部、４…引手、
５，１３，１８，２７…プラグ、６…ダイス、７
…鋼管、８，１９…マンドレル、９，１２，１５
，２０，２８…平行雄ねじ部、１０，２５…テー
パ部、１１，１６，２２…シヤンク、１４，２９
…締付ナツト、１７…雌ねじ、２３…穴、２４…
平行雌ねじ部、２５…テーパ部、２６…テーパ孔
。
Fig. 1 is a sectional view showing an embodiment of the plug mounting structure of the present invention, Fig. 2 is a sectional view illustrating the conventional cold drawing method for large diameter pipes, and Fig. 3 is a sectional view showing only the necessary parts of the plug. Fig. 4 is a cross-sectional view showing an example in which the plug is made of tool steel for use in the plug, and Fig. 4 is a cross-sectional view showing an example in which a female thread is provided on the inner diameter of the plug. 1... Mouth part, 2... Base pipe, 3... Head, 4... Handle,
5, 13, 18, 27...Plug, 6...Dice, 7
...Steel pipe, 8,19...Mandrel, 9,12,15
, 20, 28...Parallel male thread part, 10, 25...Tapered part, 11, 16, 22...Shank, 14, 29
...Tightening nut, 17...Female thread, 23...Hole, 24...
Parallel female threaded portion, 25... Tapered portion, 26... Tapered hole.
Claims (1)
端に螺合装着され、基端外周に平行雄ねじ部が形
成されると共に、該平行雄ねじ部に連続して先太
のテーパ部が形成されたシヤンクと、該シヤンク
の先太のテーパ部に密着外嵌し、その先端がシヤ
ンク先端より突出するプラグと、前記シヤンクの
平行雄ねじ部に螺着し、前記プラグをシヤンクに
締め付け固定する締付ナツトとを設けたことを特
徴とするプラグ取付構造。 A shank that is screwed onto the tip of a mandrel having a parallel threaded portion at its tip, has a parallel male threaded portion formed on the outer periphery of the proximal end, and has a thick tapered portion continuous to the parallel male threaded portion. , a plug that is tightly fitted onto the thick tapered portion of the shank and whose tip protrudes from the tip of the shank; and a tightening nut that is screwed onto the parallel male screw portion of the shank and tightens and fixes the plug to the shank. A plug mounting structure characterized by the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP180189U JPH0515371Y2 (en) | 1989-01-10 | 1989-01-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP180189U JPH0515371Y2 (en) | 1989-01-10 | 1989-01-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0293008U true JPH0293008U (en) | 1990-07-24 |
| JPH0515371Y2 JPH0515371Y2 (en) | 1993-04-22 |
Family
ID=31202004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP180189U Expired - Lifetime JPH0515371Y2 (en) | 1989-01-10 | 1989-01-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0515371Y2 (en) |
-
1989
- 1989-01-10 JP JP180189U patent/JPH0515371Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0515371Y2 (en) | 1993-04-22 |