JPH0415685U - - Google Patents
Info
- Publication number
- JPH0415685U JPH0415685U JP5362490U JP5362490U JPH0415685U JP H0415685 U JPH0415685 U JP H0415685U JP 5362490 U JP5362490 U JP 5362490U JP 5362490 U JP5362490 U JP 5362490U JP H0415685 U JPH0415685 U JP H0415685U
- Authority
- JP
- Japan
- Prior art keywords
- thread
- casing
- utility
- length
- forming
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Description
第１図：本考案の未螺合状態におけるケーシン
グの断面図、第２図：螺合後におけるケーシング
の断面図、第３図：走行式穿孔装置の説明図、第
４図：従来のケーシングの接続状態の説明図。
Figure 1: Cross-sectional view of the casing of the present invention in an unscrewed state, Figure 2: Cross-sectional view of the casing after screwing, Figure 3: Explanatory diagram of the traveling type drilling device, Figure 4: Conventional casing. An explanatory diagram of a connection state.
Claims (1)
シングをおいて、 おねじおよびめねじの端からねじピツチの１．
５倍以上の長さ分だけねじ山を設けない範囲を形
成したことを特徴とする、 ケーシングの構造。[Scope of Claim for Utility Model Registration] A hollow casing having a thread or a female thread at the end is placed, and the thread pitch is 1.
A casing structure characterized by forming an area where no thread is provided for more than five times the length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5362490U JPH0415685U (en) | 1990-05-24 | 1990-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5362490U JPH0415685U (en) | 1990-05-24 | 1990-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0415685U true JPH0415685U (en) | 1992-02-07 |
Family
ID=31574976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5362490U Pending JPH0415685U (en) | 1990-05-24 | 1990-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0415685U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0596192U (en) * | 1992-06-04 | 1993-12-27 | 株式会社樋口技工 | Perforator coupling |
| JPH0679896U (en) * | 1993-04-23 | 1994-11-08 | 株式会社亀山 | Bowling rod |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5841182A (en) * | 1981-08-24 | 1983-03-10 | ドリルコン・インダストリ−ズ・リミテツド | Sleeve and tubular joint for back lining of well wall |
| JPS616410A (en) * | 1983-10-03 | 1986-01-13 | ドリル・クウイプ、インコ−パレイテイド | Joint device |
| JPS6347588A (en) * | 1986-07-22 | 1988-02-29 | ブリティッシュ、スティール、パブリック、リミテッド、カンパニー | Pipe joint |
-
1990
- 1990-05-24 JP JP5362490U patent/JPH0415685U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5841182A (en) * | 1981-08-24 | 1983-03-10 | ドリルコン・インダストリ−ズ・リミテツド | Sleeve and tubular joint for back lining of well wall |
| JPS616410A (en) * | 1983-10-03 | 1986-01-13 | ドリル・クウイプ、インコ−パレイテイド | Joint device |
| JPS6347588A (en) * | 1986-07-22 | 1988-02-29 | ブリティッシュ、スティール、パブリック、リミテッド、カンパニー | Pipe joint |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0596192U (en) * | 1992-06-04 | 1993-12-27 | 株式会社樋口技工 | Perforator coupling |
| JPH0679896U (en) * | 1993-04-23 | 1994-11-08 | 株式会社亀山 | Bowling rod |