JPS61107952A - 脆性物体の破砕方法およびその装置 - Google Patents

脆性物体の破砕方法およびその装置

Info

Publication number
JPS61107952A
JPS61107952A JP23058584A JP23058584A JPS61107952A JP S61107952 A JPS61107952 A JP S61107952A JP 23058584 A JP23058584 A JP 23058584A JP 23058584 A JP23058584 A JP 23058584A JP S61107952 A JPS61107952 A JP S61107952A
Authority
JP
Japan
Prior art keywords
mandrel
elastic member
liquid
circular hole
crushing
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
JP23058584A
Other languages
English (en)
Japanese (ja)
Other versions
JPS648576B2 (enExample
Inventor
健二 杉野
杉野　太加良
成瀬　昌平
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.)
Sugino Machine Ltd
Original Assignee
Sugino Machine Ltd
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 Sugino Machine Ltd filed Critical Sugino Machine Ltd
Priority to JP23058584A priority Critical patent/JPS61107952A/ja
Publication of JPS61107952A publication Critical patent/JPS61107952A/ja
Publication of JPS648576B2 publication Critical patent/JPS648576B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Disintegrating Or Milling (AREA)
JP23058584A 1984-10-31 1984-10-31 脆性物体の破砕方法およびその装置 Granted JPS61107952A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23058584A JPS61107952A (ja) 1984-10-31 1984-10-31 脆性物体の破砕方法およびその装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23058584A JPS61107952A (ja) 1984-10-31 1984-10-31 脆性物体の破砕方法およびその装置

Publications (2)

Publication Number Publication Date
JPS61107952A true JPS61107952A (ja) 1986-05-26
JPS648576B2 JPS648576B2 (enExample) 1989-02-14

Family

ID=16910045

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23058584A Granted JPS61107952A (ja) 1984-10-31 1984-10-31 脆性物体の破砕方法およびその装置

Country Status (1)

Country Link
JP (1) JPS61107952A (enExample)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5199826A (ja) * 1975-02-28 1976-09-03 Kayaba Eng Konkuriitokozobutsuhakaihoho
JPS5477272A (en) * 1977-12-02 1979-06-20 Hitachi Ltd Coaxial multipoint tube expansion apparatus
JPS5521612A (en) * 1978-08-03 1980-02-15 Oki Electric Ind Co Ltd Discrimination method of signal vector for phase modulation
JPS5624580U (enExample) * 1979-07-31 1981-03-05
JPS5750106U (enExample) * 1980-09-05 1982-03-20
JPS5919536U (ja) * 1982-07-28 1984-02-06 佐野　英一 手提袋
JPS6016695A (ja) * 1983-07-07 1985-01-28 奥村機械製作株式会社 岩石等の破砕装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5199826A (ja) * 1975-02-28 1976-09-03 Kayaba Eng Konkuriitokozobutsuhakaihoho
JPS5477272A (en) * 1977-12-02 1979-06-20 Hitachi Ltd Coaxial multipoint tube expansion apparatus
JPS5521612A (en) * 1978-08-03 1980-02-15 Oki Electric Ind Co Ltd Discrimination method of signal vector for phase modulation
JPS5624580U (enExample) * 1979-07-31 1981-03-05
JPS5750106U (enExample) * 1980-09-05 1982-03-20
JPS5919536U (ja) * 1982-07-28 1984-02-06 佐野　英一 手提袋
JPS6016695A (ja) * 1983-07-07 1985-01-28 奥村機械製作株式会社 岩石等の破砕装置

Also Published As

Publication number Publication date
JPS648576B2 (enExample) 1989-02-14

Similar Documents

Publication Publication Date Title
US5647447A (en) Bit retention device for a bit and chuck assembly of a down-the-hole percussive drill
GB790483A (en) Improvements in or relating to methods for connecting layers of rock by means of rock anchors in mining operations and means for carrying said methods into effect
DE58903641D1 (de) Bohr-injektionsanker.
KR920703963A (ko) 터널 굴착장치 및 굴삭 폐기물 제거방법
US4324300A (en) Rotary drill bit
US2360425A (en) Milling tool
JP4411324B2 (ja) 自己掘削型拡張可能なルーフボルトの設置方法及び装置、並びに自己掘削型拡張可能なルーフボルト
US4323131A (en) Removable anti-wear insert
JPS61107952A (ja) 脆性物体の破砕方法およびその装置
KR100262501B1 (ko) 암반절개용 자유면 천공기
JPH09158664A (ja) 液圧式割岩器
SU1033691A2 (ru) Породоразрушающий орган
GB1097549A (en) Percussion bit and chuck assembly and a percussion bit for incorporation in such an assembly
US3100545A (en) Drill bit
US1121386A (en) Drill-collar.
US756760A (en) Wire-rope cutter.
US6516904B1 (en) Mining drill steels and methods of making the same
JP2633995B2 (ja) 岩盤トンネルの制御発破工法
JPS61165490A (ja) 溝の形成方法および装置
US6533049B1 (en) Mining drill steels and methods of making the same
US2902259A (en) Percussion drill bit and method of producing it
US1698496A (en) Milling tool
RU2117134C1 (ru) Универсальный предохранительный переходник на колонковую трубу
US929780A (en) Core-drill.
CA1101408A (en) Rock drill