JPH0435597B2 - - Google Patents

Info

Publication number
JPH0435597B2
JPH0435597B2 JP62212371A JP21237187A JPH0435597B2 JP H0435597 B2 JPH0435597 B2 JP H0435597B2 JP 62212371 A JP62212371 A JP 62212371A JP 21237187 A JP21237187 A JP 21237187A JP H0435597 B2 JPH0435597 B2 JP H0435597B2
Authority
JP
Japan
Prior art keywords
casing
excavation
head
hammer
sand
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.)
Expired - Lifetime
Application number
JP62212371A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6458794A (en
Inventor
Hajime Matsuzawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KOKEN KOGYO KK
MATSUZAWA KIKO KK
Original Assignee
KOKEN KOGYO KK
MATSUZAWA KIKO KK
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 by KOKEN KOGYO KK, MATSUZAWA KIKO KK filed Critical KOKEN KOGYO KK
Priority to JP21237187A priority Critical patent/JPS6458794A/ja
Publication of JPS6458794A publication Critical patent/JPS6458794A/ja
Publication of JPH0435597B2 publication Critical patent/JPH0435597B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP21237187A 1987-08-25 1987-08-25 Method of excavation construction and excavator Granted JPS6458794A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP21237187A JPS6458794A (en) 1987-08-25 1987-08-25 Method of excavation construction and excavator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP21237187A JPS6458794A (en) 1987-08-25 1987-08-25 Method of excavation construction and excavator

Publications (2)

Publication Number Publication Date
JPS6458794A JPS6458794A (en) 1989-03-06
JPH0435597B2 true JPH0435597B2 (US20090163788A1-20090625-C00002.png) 1992-06-11

Family

ID=16621457

Family Applications (1)

Application Number Title Priority Date Filing Date
JP21237187A Granted JPS6458794A (en) 1987-08-25 1987-08-25 Method of excavation construction and excavator

Country Status (1)

Country Link
JP (1) JPS6458794A (US20090163788A1-20090625-C00002.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4552459B2 (ja) * 2003-02-28 2010-09-29 チッソ株式会社 ポリアミン−ポリフェノールハイブリッド及びラジカル消去剤

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112554177B (zh) * 2021-02-22 2021-05-11 中铁九局集团第四工程有限公司 一种超长小直径钻孔灌注桩施工方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49105708A (US20090163788A1-20090625-C00002.png) * 1973-02-13 1974-10-07
JPS6123384B2 (US20090163788A1-20090625-C00002.png) * 1979-03-08 1986-06-05 Toyota Jidosha Kk

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49136801U (US20090163788A1-20090625-C00002.png) * 1973-03-26 1974-11-25
JPS6123384U (ja) * 1984-07-13 1986-02-12 三和機材株式会社 岩盤用大口径掘削機

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49105708A (US20090163788A1-20090625-C00002.png) * 1973-02-13 1974-10-07
JPS6123384B2 (US20090163788A1-20090625-C00002.png) * 1979-03-08 1986-06-05 Toyota Jidosha Kk

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4552459B2 (ja) * 2003-02-28 2010-09-29 チッソ株式会社 ポリアミン−ポリフェノールハイブリッド及びラジカル消去剤

Also Published As

Publication number Publication date
JPS6458794A (en) 1989-03-06

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