JPS63190393U - - Google Patents

Info

Publication number
JPS63190393U
JPS63190393U JP8069787U JP8069787U JPS63190393U JP S63190393 U JPS63190393 U JP S63190393U JP 8069787 U JP8069787 U JP 8069787U JP 8069787 U JP8069787 U JP 8069787U JP S63190393 U JPS63190393 U JP S63190393U
Authority
JP
Japan
Prior art keywords
casing body
casing
spigot
boring
tip
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
JP8069787U
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 JP8069787U priority Critical patent/JPS63190393U/ja
Publication of JPS63190393U publication Critical patent/JPS63190393U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)

Description

【図面の簡単な説明】
第１図は本考案の一実施例たるボーリング用ケー
シングの要部の縦断面図、第２図は従来のボーリ
ング用ケーシングの要部の縦断面図である。 ７……ケーシング本体、８……当接段部、９…
…雄ねじ部、１０……いんろう部、１１……雌ね
じ部、１２……被いんろう部、１３……被当接段
部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 順次継ぎ足され、土中へ衝撃力を加えられて打
    ち込まれるボーリング用ケーシングであつて、ケ
    ーシング本体の一端部に、当接段部を介して形成
    された小径の雄ねじ部と、その雄ねじ部の先端部
    に同芯状一体に延設させられた筒状いんろう部と
    を形成し、ケーシング本体の他端部に、上記雄ね
    じ部が螺合する雌ねじ部と、その雌ねじ部の奥端
    側に形成されて前記いんろう部が嵌合する被いん
    ろう部と、前記いんろう部の先端面が当接する被
    当接段部とを形成してなるボーリング用ケーシン
    グ。
JP8069787U 1987-05-27 1987-05-27 Pending JPS63190393U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8069787U JPS63190393U (ja) 1987-05-27 1987-05-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8069787U JPS63190393U (ja) 1987-05-27 1987-05-27

Publications (1)

Publication Number Publication Date
JPS63190393U true JPS63190393U (ja) 1988-12-07

Family

ID=30931740

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8069787U Pending JPS63190393U (ja) 1987-05-27 1987-05-27

Country Status (1)

Country Link
JP (1) JPS63190393U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4526175Y1 (ja) * 1966-03-10 1970-10-13

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4526175Y1 (ja) * 1966-03-10 1970-10-13

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