JPH02148091U - - Google Patents

Info

Publication number
JPH02148091U
JPH02148091U JP5724789U JP5724789U JPH02148091U JP H02148091 U JPH02148091 U JP H02148091U JP 5724789 U JP5724789 U JP 5724789U JP 5724789 U JP5724789 U JP 5724789U JP H02148091 U JPH02148091 U JP H02148091U
Authority
JP
Japan
Prior art keywords
cutting
tip
utility
attached
construction method
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.)
Granted
Application number
JP5724789U
Other languages
English (en)
Other versions
JPH0538154Y2 (ja
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 JP5724789U priority Critical patent/JPH0538154Y2/ja
Publication of JPH02148091U publication Critical patent/JPH02148091U/ja
Application granted granted Critical
Publication of JPH0538154Y2 publication Critical patent/JPH0538154Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Earth Drilling (AREA)

Description

【図面の簡単な説明】
第１図はケーシングチユーブのカツテイングエ
ツジの第２図Ａ−Ａ線による縦断面拡大図で、掘
削挿入時の状態を示す図、第２図はケーシングチ
ユーブに取付けられたカツテイングエツジの状態
を示す斜視図、第３図はケーシングチユーブの引
抜時を示す、第１図と同様の図である。 １……ケーシングチユーブ、２……カツテイン
グエツジ、３……突起部、４……斜面、５……カ
ツテイングエツジ上端、６……ケーシング下端凹
部、９……間〓。

Claims (1)

    【実用新案登録請求の範囲】
  1. カツテイングチユーブの先端に、下面を内向き
    斜面に形成した多数のカツテイングエツジを、チ
    ユーブ内方に向けて一定の角度回動可能に装着し
    てなる、オールケーシング工法用カツテイング装
    置。
JP5724789U 1989-05-18 1989-05-18 Expired - Lifetime JPH0538154Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5724789U JPH0538154Y2 (ja) 1989-05-18 1989-05-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5724789U JPH0538154Y2 (ja) 1989-05-18 1989-05-18

Publications (2)

Publication Number Publication Date
JPH02148091U true JPH02148091U (ja) 1990-12-17
JPH0538154Y2 JPH0538154Y2 (ja) 1993-09-27

Family

ID=31581786

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5724789U Expired - Lifetime JPH0538154Y2 (ja) 1989-05-18 1989-05-18

Country Status (1)

Country Link
JP (1) JPH0538154Y2 (ja)

Also Published As

Publication number Publication date
JPH0538154Y2 (ja) 1993-09-27

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