JPH0354896U - - Google Patents

Info

Publication number
JPH0354896U
JPH0354896U JP11269289U JP11269289U JPH0354896U JP H0354896 U JPH0354896 U JP H0354896U JP 11269289 U JP11269289 U JP 11269289U JP 11269289 U JP11269289 U JP 11269289U JP H0354896 U JPH0354896 U JP H0354896U
Authority
JP
Japan
Prior art keywords
cutter head
core cutter
cutting blade
view
overcutting
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
JP11269289U
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 JP11269289U priority Critical patent/JPH0354896U/ja
Publication of JPH0354896U publication Critical patent/JPH0354896U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)

Description

【図面の簡単な説明】
第1〜3図は本考案の実施例を示すものであつ
て、第1図は掘削推進状態を示す断面図、第2図
はその側面図、第3図はコアカツターヘツドを発
進坑に引き戻している状態を示す断面図、第4図
はオーバーカツトができないコアカツターヘツド
を用いた場合の掘削状態を示す断面図、第5図は
オーバーカツトによる掘削状態を示す断面図、第
6図は小口径推進機の使用状態を概略的に示す断
面図である。 1……掘削穴、2……埋設管、3……土、10
……埋設管、11……コアカツターヘツド、12
……スクリユー、13……切削刃、14……オー
バーカツト用切削刃、15,16……ストツパー
、17……回動軸、18……取付ねじ、19……
切削刃又はリード管、20……吹付穴、21……
発進坑、22……到達坑、23……小口径推進機
、24……油圧ユニツト。

Claims (1)

    【実用新案登録請求の範囲】
  1. オーバーカツト用切削刃をコアカツターヘツド
    の半径方向に所定の範囲内で回動自在になるよう
    コアカツターヘツドの外周に枢着したことを特徴
    とする、小口径推進機のコアカツターヘツド。
JP11269289U 1989-09-26 1989-09-26 Pending JPH0354896U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11269289U JPH0354896U (ja) 1989-09-26 1989-09-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11269289U JPH0354896U (ja) 1989-09-26 1989-09-26

Publications (1)

Publication Number Publication Date
JPH0354896U true JPH0354896U (ja) 1991-05-27

Family

ID=31661135

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11269289U Pending JPH0354896U (ja) 1989-09-26 1989-09-26

Country Status (1)

Country Link
JP (1) JPH0354896U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020111978A (ja) * 2019-01-15 2020-07-27 植村 誠 オープンシールド機

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4815934U (ja) * 1971-07-01 1973-02-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4815934U (ja) * 1971-07-01 1973-02-22

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020111978A (ja) * 2019-01-15 2020-07-27 植村 誠 オープンシールド機

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