JPS61134899U - - Google Patents
Info
- Publication number
- JPS61134899U JPS61134899U JP1891585U JP1891585U JPS61134899U JP S61134899 U JPS61134899 U JP S61134899U JP 1891585 U JP1891585 U JP 1891585U JP 1891585 U JP1891585 U JP 1891585U JP S61134899 U JPS61134899 U JP S61134899U
- Authority
- JP
- Japan
- Prior art keywords
- coil spring
- electric heater
- compressible
- tip
- lining material
- 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
- 238000005553 drilling Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 238000004080 punching Methods 0.000 description 2
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Branch Pipes, Bends, And The Like (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Description
第１図は、本考案の穿孔具の一実施例を示す中
央縦断面図である。第２図は、本考案の穿孔具が
回転しながら前進する状態を示す正面図であり、
第３図は、穿孔具を内張り材に押し当てた状態の
正面図である。第４図は従来の穿孔具のＬＭ継手
部におけるトラブルの状態を示す中央縦断面図で
ある。
１…第一のコイルばね、２…第二のコイルばね
、３…電熱ヒーター、６…第三のコイルばね、７
…頭体、８…熱可塑性プラスチツク、１１…通電
線、１２…電源、１３…スイツチ。
FIG. 1 is a central vertical sectional view showing an embodiment of the punching tool of the present invention. FIG. 2 is a front view showing the drilling tool of the present invention moving forward while rotating;
FIG. 3 is a front view of the punching tool pressed against the lining material. FIG. 4 is a central longitudinal cross-sectional view showing a troublesome condition in the LM joint of a conventional drilling tool. DESCRIPTION OF SYMBOLS 1...First coil spring, 2...Second coil spring, 3...Electric heater, 6...Third coil spring, 7
...Head body, 8...Thermoplastic plastic, 11...Electrical wire, 12...Power source, 13...Switch.
Claims (1)
コイルばねよりも充分に柔軟な圧縮性の第二のコ
イルばねを接続し、該第二のコイルばねの先端に
、中心部に電熱ヒーターを有し該電熱ヒーターの
周囲を熱可塑性プラスチツクで被覆して略円錘台
状のブロツクとした頭体を設け、前記電熱ヒータ
ーの通電線を前記第一及び第二のコイルばね内を
通して後方に導いて電源及びスイツチに接続し、
前記第一のコイルばねの後部には該第一のコイル
ばねを回転させながら送り出す装置を設けたこと
を特徴とする、管路の分岐部の内張り材の穿孔具
。 ２ 前記第一のコイルばねと前記第二のコイルば
ねとが、該第一のコイルばねと第二のコイルばね
との中間程度の柔軟性を有する第三のコイルばね
を介して接続されていることを特徴とする、実用
新案登録請求の範囲第１項記載の管路の分岐部の
内張り材の穿孔具。[Claims for Utility Model Registration] 1. A compressible second coil spring that is sufficiently softer than the first coil spring is connected to the tip of the first flexible coil spring, and the second coil spring is compressible. At the tip of the spring, there is provided a head body which has an electric heater in the center and is covered with thermoplastic plastic around the electric heater and is shaped like a cone-shaped block, and the electric wire of the electric heater is connected to the first head. and a second coil spring to be guided rearward and connected to a power source and a switch,
A drilling tool for a lining material of a branch of a pipe, characterized in that a device for rotating and sending out the first coil spring is provided at the rear of the first coil spring. 2. The first coil spring and the second coil spring are connected via a third coil spring having a flexibility intermediate between that of the first coil spring and the second coil spring. A piercing tool for a lining material of a branch part of a pipe as claimed in claim 1 of the registered utility model, characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985018915U JPH0121759Y2 (en) | 1985-02-12 | 1985-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985018915U JPH0121759Y2 (en) | 1985-02-12 | 1985-02-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61134899U true JPS61134899U (en) | 1986-08-22 |
| JPH0121759Y2 JPH0121759Y2 (en) | 1989-06-28 |
Family
ID=30508000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985018915U Expired JPH0121759Y2 (en) | 1985-02-12 | 1985-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0121759Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0282588A1 (en) * | 1986-08-19 | 1988-09-21 | Tokyo Gas Kabushiki Kaisha | Device for boring lining of pipe line |
| JP2016133786A (en) * | 2015-01-22 | 2016-07-25 | コニカミノルタ株式会社 | Contact spring and image forming apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60114499A (en) * | 1983-11-21 | 1985-06-20 | 大阪瓦斯株式会社 | Boring device for lining layer |
-
1985
- 1985-02-12 JP JP1985018915U patent/JPH0121759Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60114499A (en) * | 1983-11-21 | 1985-06-20 | 大阪瓦斯株式会社 | Boring device for lining layer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0282588A1 (en) * | 1986-08-19 | 1988-09-21 | Tokyo Gas Kabushiki Kaisha | Device for boring lining of pipe line |
| EP0282588B1 (en) * | 1986-08-19 | 1991-07-03 | Tokyo Gas Kabushiki Kaisha | Device for boring lining of pipe line |
| JP2016133786A (en) * | 2015-01-22 | 2016-07-25 | コニカミノルタ株式会社 | Contact spring and image forming apparatus |
| CN105824223A (en) * | 2015-01-22 | 2016-08-03 | 柯尼卡美能达株式会社 | Contact spring and image forming apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0121759Y2 (en) | 1989-06-28 |