JPH01128143U - - Google Patents

Info

Publication number
JPH01128143U
JPH01128143U JP2357488U JP2357488U JPH01128143U JP H01128143 U JPH01128143 U JP H01128143U JP 2357488 U JP2357488 U JP 2357488U JP 2357488 U JP2357488 U JP 2357488U JP H01128143 U JPH01128143 U JP H01128143U
Authority
JP
Japan
Prior art keywords
bar
hammer
head
passive metal
hammer pipe
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
JP2357488U
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 JP2357488U priority Critical patent/JPH01128143U/ja
Publication of JPH01128143U publication Critical patent/JPH01128143U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Examining Or Testing Airtightness (AREA)
  • Earth Drilling (AREA)

Description

【図面の簡単な説明】
第１図は本考案に係るボーリングバーの断面図
、第２図は使用状態の説明図である。 １……バー、３……受動メタル、４……ハンマ
ーパイプ、６……ハンマー、７，８，９……クツ
シヨン体。

Claims (1)

    【実用新案登録請求の範囲】
  1. ハンマーパイプ内にバーの頭部をスライド自在
    に挿入して或るボーリングバーにおいて、バーの
    頭部に固定した受動メタルの下部及びこの受動メ
    タルに対向するハンマーの下部並びにハンマーパ
    イプ内であつてブツシユの上部にクツシヨン体を
    装着して或るボーリングバー。
JP2357488U 1988-02-24 1988-02-24 Pending JPH01128143U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2357488U JPH01128143U (ja) 1988-02-24 1988-02-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2357488U JPH01128143U (ja) 1988-02-24 1988-02-24

Publications (1)

Publication Number Publication Date
JPH01128143U true JPH01128143U (ja) 1989-09-01

Family

ID=31242680

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2357488U Pending JPH01128143U (ja) 1988-02-24 1988-02-24

Country Status (1)

Country Link
JP (1) JPH01128143U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4930964U (ja) * 1972-06-20 1974-03-16

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4930964U (ja) * 1972-06-20 1974-03-16

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