JPH025490U - - Google Patents
Info
- Publication number
- JPH025490U JPH025490U JP8203688U JP8203688U JPH025490U JP H025490 U JPH025490 U JP H025490U JP 8203688 U JP8203688 U JP 8203688U JP 8203688 U JP8203688 U JP 8203688U JP H025490 U JPH025490 U JP H025490U
- Authority
- JP
- Japan
- Prior art keywords
- outer peripheral
- butt joint
- insulating
- joint part
- interposed
- 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
- 239000002184 metal Substances 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims 3
- 230000002093 peripheral effect Effects 0.000 claims 3
Landscapes
- Earth Drilling (AREA)
Description
第1図は本考案を実施した井戸用絶縁管部材の
一例についてその構造を示す縦断面図、第2図は
第1図で下方に位置する金属管部材の結合面側端
面図である。
図中、1a,1b:金属管部材、2a,2b:
管材接続用のねじ部、4:環状溝、5:絶縁性シ
ールリング、8:凹み、9:段差、10,13:
絶縁材、11:ボルト。
FIG. 1 is a longitudinal cross-sectional view showing the structure of an example of an insulating tube member for a well according to the present invention, and FIG. 2 is an end view of the connecting surface side of the metal tube member located below in FIG. 1. In the figure, 1a, 1b: metal pipe members, 2a, 2b:
Threaded part for connecting pipe material, 4: Annular groove, 5: Insulating seal ring, 8: Recess, 9: Step, 10, 13:
Insulating material, 11: Volt.
Claims (1)
に管材接続用のねじ部2を備える一対の金属管部
材1a,1bからなり、両金属管部材1a,1b
が突合せ結合部内周側においてテーパー嵌合し、
テーパー嵌合部101に続く軸に直角な平面接合
部102に絶縁性リングシール5を介在させると
ともに接合面間の全体に絶縁材10を介在させた
状態で突合せ結合部外周側において軸方向のボル
ト11にて締結され、該ボルト11はその頭部を
一方の金属管部材1bの外周面に穿設した凹み8
を収容するとともに両金属管部材1a,1bとの
間を絶縁し、更に前記突合せ結合部外周側は周方
向で突合せ面にほぼ直角な段差9を有し、両金属
管部材1a,1bは外面側および内面側に露出す
る面の全てを絶縁材13で被覆してなることを特
徴とする井戸用絶縁管部材。 Consisting of a pair of metal tube members 1a and 1b that are butt-joined at an axially intermediate portion and have a threaded portion 2 for connecting the tube material at the opposite end thereof, both metal tube members 1a and 1b
is a tapered fit on the inner circumferential side of the butt joint,
An insulating ring seal 5 is interposed in the plane joint part 102 perpendicular to the axis following the tapered fitting part 101, and an axial bolt is inserted on the outer peripheral side of the butt joint part with an insulating material 10 interposed between the joint surfaces. 11, and the bolt 11 has its head attached to a recess 8 formed in the outer peripheral surface of one metal pipe member 1b.
In addition, the outer peripheral side of the butt joint part has a step 9 substantially perpendicular to the abutting surface in the circumferential direction, and both the metal pipe members 1a, 1b have an outer surface. An insulating tube member for a well, characterized in that all of the surfaces exposed on the side and inner side are covered with an insulating material 13.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8203688U JPH025490U (en) | 1988-06-20 | 1988-06-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8203688U JPH025490U (en) | 1988-06-20 | 1988-06-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH025490U true JPH025490U (en) | 1990-01-16 |
Family
ID=31306804
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8203688U Pending JPH025490U (en) | 1988-06-20 | 1988-06-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH025490U (en) |
-
1988
- 1988-06-20 JP JP8203688U patent/JPH025490U/ja active Pending