JPH025491U - - Google Patents
Info
- Publication number
- JPH025491U JPH025491U JP8203788U JP8203788U JPH025491U JP H025491 U JPH025491 U JP H025491U JP 8203788 U JP8203788 U JP 8203788U JP 8203788 U JP8203788 U JP 8203788U JP H025491 U JPH025491 U JP H025491U
- Authority
- JP
- Japan
- Prior art keywords
- metal tube
- tube members
- tapered
- members
- joint part
- 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 7
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims 3
- 210000001503 joint Anatomy 0.000 claims 2
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とからなり、両金属部材１ａ，１ｂ
は突合せ結合部においてテーパー嵌合し、テーパ
ー嵌合部１０１に周設した環状溝４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テーパー面にほ
ぼ直角なボルト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１ａの外周面に穿
設した凹み８に収容するとともに両金属管部材１
ａ，１ｂとの間に絶縁し、更に前記突合せ結合部
はテーパー嵌合部１０１の外周側、内周側の少な
くとも一方に形成された軸に直角な平面接合部１
０２において周方向で当該平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 members 1a and 1b.
are tapered fitted at the butt joint part, and an insulating ring seal 5 is interposed in the annular groove 4 provided around the tapered fitting part 101, and an insulating material 10 is interposed between the joint surfaces, and the tapered surface is fitted. It is fastened with a bolt 11 that is substantially perpendicular to the bolt 11.
has its head accommodated in a recess 8 bored in the outer peripheral surface of one of the metal tube members 1a, and both metal tube members 1a.
a, 1b, and furthermore, the butt joint part is a flat joint part 1 perpendicular to the axis formed on at least one of the outer peripheral side and the inner peripheral side of the tapered fitting part 101.
02 has a step 9 substantially perpendicular to the plane in the circumferential direction, and both metal tube members 1a and 1b are characterized in that all surfaces exposed on the outer and inner surfaces are covered with an insulating material 13. Insulated pipe parts for wells.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8203788U JPH025491U (en) | 1988-06-20 | 1988-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8203788U JPH025491U (en) | 1988-06-20 | 1988-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH025491U true JPH025491U (en) | 1990-01-16 |
Family
ID=31306805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8203788U Pending JPH025491U (en) | 1988-06-20 | 1988-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH025491U (en) |
-
1988
- 1988-06-20 JP JP8203788U patent/JPH025491U/ja active Pending