JPH025492U - - Google Patents

Info

Publication number
JPH025492U
JPH025492U JP8203888U JP8203888U JPH025492U JP H025492 U JPH025492 U JP H025492U JP 8203888 U JP8203888 U JP 8203888U JP 8203888 U JP8203888 U JP 8203888U JP H025492 U JPH025492 U JP H025492U
Authority
JP
Japan
Prior art keywords
recesses
tapered threaded
metal tube
tapered
butt
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
Application number
JP8203888U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP8203888U priority Critical patent/JPH025492U/ja
Publication of JPH025492U publication Critical patent/JPH025492U/ja
Pending legal-status Critical Current

Links

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  • Earth Drilling (AREA)

Description

【図面の簡単な説明】
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半縦断面図である。 図中、1a,1b:金属管部材、10a,10
b:テーパーねじ部、2a,2b:管材接続用の
ねじ部、5:凹み、6:絶縁層、7:テーパーピ
ン、8:絶縁材。

Claims (1)

    【実用新案登録請求の範囲】
  1. 軸方向中間部で突合せ結合され、反結合側端部
    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
    は突合せ結合部において一方にボツクスタイプの
    テーパーねじ部10aを有し、他方にピンタイプ
    のテーパーねじ部10bを有し、両テーパーねじ
    部10a,10bを接合面間の全体に絶縁層6を
    介在させて螺着するとともに、突合せ結合部の外
    面側に周方向で複数箇所に刻設したテーパー状の
    凹み5に緩み止めのテーパーピン7を嵌着し、更
    に前記凹み5を含む外面側、内面側の全露出面を
    絶縁材8で被覆したことを特徴とする井戸用絶縁
    管部材。
JP8203888U 1988-06-20 1988-06-20 Pending JPH025492U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8203888U JPH025492U (ja) 1988-06-20 1988-06-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8203888U JPH025492U (ja) 1988-06-20 1988-06-20

Publications (1)

Publication Number Publication Date
JPH025492U true JPH025492U (ja) 1990-01-16

Family

ID=31306806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8203888U Pending JPH025492U (ja) 1988-06-20 1988-06-20

Country Status (1)

Country Link
JP (1) JPH025492U (ja)

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