JPS6145273Y2 - - Google Patents

Info

Publication number
JPS6145273Y2
JPS6145273Y2 JP1979101701U JP10170179U JPS6145273Y2 JP S6145273 Y2 JPS6145273 Y2 JP S6145273Y2 JP 1979101701 U JP1979101701 U JP 1979101701U JP 10170179 U JP10170179 U JP 10170179U JP S6145273 Y2 JPS6145273 Y2 JP S6145273Y2
Authority
JP
Japan
Prior art keywords
head
screw
thread
threads
outer periphery
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
Application number
JP1979101701U
Other languages
English (en)
Japanese (ja)
Other versions
JPS5621080U (h
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 JP1979101701U priority Critical patent/JPS6145273Y2/ja
Publication of JPS5621080U publication Critical patent/JPS5621080U/ja
Application granted granted Critical
Publication of JPS6145273Y2 publication Critical patent/JPS6145273Y2/ja
Expired legal-status Critical Current

Links

JP1979101701U 1979-07-23 1979-07-23 Expired JPS6145273Y2 (h)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1979101701U JPS6145273Y2 (h) 1979-07-23 1979-07-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1979101701U JPS6145273Y2 (h) 1979-07-23 1979-07-23

Publications (2)

Publication Number Publication Date
JPS5621080U JPS5621080U (h) 1981-02-24
JPS6145273Y2 true JPS6145273Y2 (h) 1986-12-19

Family

ID=29334441

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1979101701U Expired JPS6145273Y2 (h) 1979-07-23 1979-07-23

Country Status (1)

Country Link
JP (1) JPS6145273Y2 (h)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62189292A (ja) * 1987-02-17 1987-08-19 村崎　和雄 ア−スオ−ガのドリルヘツド用爪
JP2016142127A (ja) * 2015-02-03 2016-08-08 正二 伊藤 掘削ヘッド

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6027354B2 (ja) * 1978-12-31 1985-06-28 輝夫 小井 地盤掘孔装置

Also Published As

Publication number Publication date
JPS5621080U (h) 1981-02-24

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