JPH0466483U - - Google Patents

Info

Publication number
JPH0466483U
JPH0466483U JP10950490U JP10950490U JPH0466483U JP H0466483 U JPH0466483 U JP H0466483U JP 10950490 U JP10950490 U JP 10950490U JP 10950490 U JP10950490 U JP 10950490U JP H0466483 U JPH0466483 U JP H0466483U
Authority
JP
Japan
Prior art keywords
threads
bottoms
pipes
deeper
utility
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
JP10950490U
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 JP10950490U priority Critical patent/JPH0466483U/ja
Publication of JPH0466483U publication Critical patent/JPH0466483U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)

Description

【図面の簡単な説明】
第1図は本考案のめねじの断面図、第2図は本
考案の作用の説明図で、aは従来例、bは本考案
例、イはねじ山の部分断面図、ロは荷重条件の説
明図、第3図はねじ山荷重分担−ねじ山番号の図
表、第4図は従来例の説明図、第5図、第6図は
曲げ荷重−破壊までの繰り返し数の図表である。

Claims (1)

    【実用新案登録請求の範囲】
  1. 相対向する管を接続するテーパーねじのめねじ
    先端側に位置する単数以上のねじ底を他のねじ底
    に比べ深くしたことを特徴とする耐疲労特性の優
    れた石油掘削管用ねじ継手。
JP10950490U 1990-10-19 1990-10-19 Pending JPH0466483U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10950490U JPH0466483U (ja) 1990-10-19 1990-10-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10950490U JPH0466483U (ja) 1990-10-19 1990-10-19

Publications (1)

Publication Number Publication Date
JPH0466483U true JPH0466483U (ja) 1992-06-11

Family

ID=31856712

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10950490U Pending JPH0466483U (ja) 1990-10-19 1990-10-19

Country Status (1)

Country Link
JP (1) JPH0466483U (ja)

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