JPH0466482U - - Google Patents

Info

Publication number
JPH0466482U
JPH0466482U JP10950390U JP10950390U JPH0466482U JP H0466482 U JPH0466482 U JP H0466482U JP 10950390 U JP10950390 U JP 10950390U JP 10950390 U JP10950390 U JP 10950390U JP H0466482 U JPH0466482 U JP H0466482U
Authority
JP
Japan
Prior art keywords
thread
height
counting
pipes
male thread
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
JP10950390U
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 JP10950390U priority Critical patent/JPH0466482U/ja
Publication of JPH0466482U publication Critical patent/JPH0466482U/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図は本考案の説明図、第２図は本考案の他
の例の説明図、第３図は従来例の説明図、第４図
、第５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
    先端側から数えて１番目の完全ねじ山高さを、ま
    たはおねじ付け根部側から数えて１番目および２
    番目のおねじ山高さを削減したことを特徴とする
    疲労特性の優れた石油掘削管用ねじ継手。
JP10950390U 1990-10-19 1990-10-19 Pending JPH0466482U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10950390U JPH0466482U (ja) 1990-10-19 1990-10-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10950390U JPH0466482U (ja) 1990-10-19 1990-10-19

Publications (1)

Publication Number Publication Date
JPH0466482U true JPH0466482U (ja) 1992-06-11

Family

ID=31856711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10950390U Pending JPH0466482U (ja) 1990-10-19 1990-10-19

Country Status (1)

Country Link
JP (1) JPH0466482U (ja)

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