NO893023D0 - Hydraulisk slagverktoey. - Google Patents

Hydraulisk slagverktoey.

Info

Publication number
NO893023D0
NO893023D0 NO893023A NO893023A NO893023D0 NO 893023 D0 NO893023 D0 NO 893023D0 NO 893023 A NO893023 A NO 893023A NO 893023 A NO893023 A NO 893023A NO 893023 D0 NO893023 D0 NO 893023D0
Authority
NO
Norway
Prior art keywords
hydraulic
shipping tool
shipping
tool
hydraulic shipping
Prior art date
Application number
NO893023A
Other languages
English (en)
Other versions
NO169219B (no
NO169219C (no
NO893023L (no
Inventor
Takanobu Yamanaka
Original Assignee
Nippon Pneumatic Mfg
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 Nippon Pneumatic Mfg filed Critical Nippon Pneumatic Mfg
Publication of NO893023D0 publication Critical patent/NO893023D0/no
Publication of NO893023L publication Critical patent/NO893023L/no
Publication of NO169219B publication Critical patent/NO169219B/no
Publication of NO169219C publication Critical patent/NO169219C/no

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B1/00—Percussion drilling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston
    • B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14—Control devices for the reciprocating piston

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Catching Or Destruction (AREA)
  • Fluid-Damping Devices (AREA)
NO893023A 1988-07-26 1989-07-25 Hydraulisk slagverktoey. NO169219C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63186349A JPH0236080A (ja) 1988-07-26 1988-07-26 衝撃動装置

Publications (4)

Publication Number Publication Date
NO893023D0 true NO893023D0 (no) 1989-07-25
NO893023L NO893023L (no) 1990-01-29
NO169219B NO169219B (no) 1992-02-17
NO169219C NO169219C (no) 1992-05-27

Family

ID=16186802

Family Applications (1)

Application Number Title Priority Date Filing Date
NO893023A NO169219C (no) 1988-07-26 1989-07-25 Hydraulisk slagverktoey.

Country Status (11)

Country Link
US (1) US4945998A (no)
EP (1) EP0352742B1 (no)
JP (1) JPH0236080A (no)
KR (1) KR920007459B1 (no)
CN (1) CN1018253B (no)
AU (1) AU607343B2 (no)
DD (1) DD285569A5 (no)
DE (1) DE68909861T2 (no)
FI (1) FI893560A (no)
NO (1) NO169219C (no)
RU (1) RU1797649C (no)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5064005A (en) * 1990-04-30 1991-11-12 Caterpillar Inc. Impact hammer and control arrangement therefor
CA2058659C (en) * 1991-01-08 2001-02-20 Michael Richard Davies Cyclic hydraulic actuator
US5398772A (en) * 1993-07-01 1995-03-21 Reedrill, Inc. Impact hammer
US5893419A (en) * 1997-01-08 1999-04-13 Fm Industries, Inc. Hydraulic impact tool
US6491114B1 (en) 2000-10-03 2002-12-10 Npk Construction Equipment, Inc. Slow start control for a hydraulic hammer
AU2002326946A1 (en) * 2001-09-17 2003-04-01 Milwaukee Electric Tool Corporation Rotary hammer
SE527921C2 (sv) * 2004-10-20 2006-07-11 Atlas Copco Rock Drills Ab Slagverk
SE535068C2 (sv) * 2010-04-01 2012-04-03 Atlas Copco Rock Drills Ab Bergborrmaskin och användning därav för att förhindra uppkomst och spridning av kavitationsbubblor
EP3085880B1 (en) * 2013-12-18 2018-10-24 Nippon Pneumatic Manufacturing Co., Ltd. Impact-driven tool
JP6438896B2 (ja) * 2014-01-30 2018-12-19 古河ロックドリル株式会社 液圧式打撃装置
JP6495672B2 (ja) * 2015-01-30 2019-04-03 古河ロックドリル株式会社 液圧式打撃装置、並びにバルブタイミングの切換方法およびバルブポートの設定方法
US10363651B2 (en) * 2015-09-28 2019-07-30 Caterpillar Inc. Hammer assembly
US10562165B2 (en) * 2016-04-10 2020-02-18 Caterpillar Inc. Hydraulic hammer
CA3039595A1 (en) * 2016-11-17 2018-05-24 Junttan Oy A driving cylinder of a pile driving rig and a pile driving rig
CN110439455B (zh) * 2019-06-27 2021-05-14 崔子阳 一种凿岩设备的工作装置
KR102317232B1 (ko) * 2020-01-08 2021-10-22 주식회사 현대에버다임 유압 브레이커

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990351A (en) * 1972-03-10 1976-11-09 Atlas Copco Aktiebolag Pneumatic impact device
US3925985A (en) * 1973-01-09 1975-12-16 Rapidex Inc Impact actuator
JPS5432192B2 (no) * 1975-03-18 1979-10-12
SE445434B (sv) * 1983-08-01 1986-06-23 Atlas Copco Ab Vibrationsdempat tryckfluiddrivet slagverk

Also Published As

Publication number Publication date
FI893560A (fi) 1990-01-27
EP0352742B1 (en) 1993-10-13
NO169219B (no) 1992-02-17
RU1797649C (ru) 1993-02-23
AU3888789A (en) 1990-02-01
CN1018253B (zh) 1992-09-16
EP0352742A3 (en) 1991-05-29
NO169219C (no) 1992-05-27
US4945998A (en) 1990-08-07
NO893023L (no) 1990-01-29
AU607343B2 (en) 1991-02-28
JPH0236080A (ja) 1990-02-06
KR920007459B1 (ko) 1992-09-03
EP0352742A2 (en) 1990-01-31
KR900001950A (ko) 1990-02-27
DD285569A5 (de) 1990-12-19
CN1045551A (zh) 1990-09-26
DE68909861T2 (de) 1994-02-10
DE68909861D1 (de) 1993-11-18
FI893560A0 (fi) 1989-07-25

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