FI893560A - Hydrauliskt slagverktyg. - Google Patents

Hydrauliskt slagverktyg. Download PDF

Info

Publication number: FI893560A
Authority: FI; Finland
Prior art keywords: slagverktyg; hydrauliskt; hydrauliskt slagverktyg
Prior art date: 1988-07-26

Application number

FI893560A

Other languages

English (en)

Finnish (fi)

Other versions

FI893560A0 (fi

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.)

1988-07-26

Filing date

1989-07-25

Publication date

1990-01-27

1989-07-25 Application filed by Nippon Pneumatic Mfg filed Critical Nippon Pneumatic Mfg

1989-07-25 Publication of FI893560A0 publication Critical patent/FI893560A0/fi

1990-01-27 Publication of FI893560A publication Critical patent/FI893560A/fi

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-Damping Devices (AREA)
Catching Or Destruction (AREA)
Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
Fluid-Pressure Circuits (AREA)

FI893560A 1988-07-26 1989-07-25 Hydrauliskt slagverktyg. FI893560A (fi)

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 (2)

Publication Number	Publication Date
FI893560A0 FI893560A0 (fi)	1989-07-25
FI893560A true FI893560A (fi)	1990-01-27

Family

ID=16186802

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI893560A FI893560A (fi)	1988-07-26	1989-07-25	Hydrauliskt slagverktyg.

Country Status (11)

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

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
GB2384742B (en) *	2001-09-17	2005-12-07	Milwaukee Electric Tool Corp	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 (de) *	2013-12-18	2018-10-24	Nippon Pneumatic Manufacturing Co., Ltd.	Schlagangetriebenes werkzeug
WO2015115105A1 (ja) *	2014-01-30	2015-08-06	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
KR102245094B1 (ko) *	2016-11-17	2021-04-27	윤탄 오와이	파일 항타 리그의 항타 실린더 및 파일 항타 리그
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 (de) *	1975-03-18	1979-10-12
SE445434B (sv) *	1983-08-01	1986-06-23	Atlas Copco Ab	Vibrationsdempat tryckfluiddrivet slagverk

1988
- 1988-07-26 JP JP63186349A patent/JPH0236080A/ja active Pending
1989
- 1989-07-24 AU AU38887/89A patent/AU607343B2/en not_active Ceased
- 1989-07-25 US US07/384,763 patent/US4945998A/en not_active Expired - Fee Related
- 1989-07-25 CN CN89106202A patent/CN1018253B/zh not_active Expired
- 1989-07-25 DE DE89113702T patent/DE68909861T2/de not_active Expired - Fee Related
- 1989-07-25 NO NO893023A patent/NO169219C/no unknown
- 1989-07-25 FI FI893560A patent/FI893560A/fi not_active Application Discontinuation
- 1989-07-25 DD DD89331127A patent/DD285569A5/de not_active IP Right Cessation
- 1989-07-25 RU SU894614633A patent/RU1797649C/ru active
- 1989-07-25 EP EP89113702A patent/EP0352742B1/de not_active Expired - Lifetime
- 1989-07-26 KR KR1019890010574A patent/KR920007459B1/ko not_active IP Right Cessation

Also Published As

Publication number	Publication date
NO169219B (no)	1992-02-17
EP0352742A3 (de)	1991-05-29
JPH0236080A (ja)	1990-02-06
RU1797649C (ru)	1993-02-23
DD285569A5 (de)	1990-12-19
FI893560A0 (fi)	1989-07-25
DE68909861D1 (de)	1993-11-18
CN1045551A (zh)	1990-09-26
NO893023L (no)	1990-01-29
EP0352742A2 (de)	1990-01-31
NO893023D0 (no)	1989-07-25
AU607343B2 (en)	1991-02-28
NO169219C (no)	1992-05-27
CN1018253B (zh)	1992-09-16
KR920007459B1 (ko)	1992-09-03
EP0352742B1 (de)	1993-10-13
US4945998A (en)	1990-08-07
DE68909861T2 (de)	1994-02-10
AU3888789A (en)	1990-02-01
KR900001950A (ko)	1990-02-27

Legal Events

Date	Code	Title	Description
1993-07-07	FD	Application lapsed
2004-08-31	FD	Application lapsed	Owner name: NIPPON PNEUMATIC MANUFACTURING CO., LTD.

Publication	Publication Date	Title
DE68906637D1 (de)	1993-06-24	Wafertraeger.
DE58905119D1 (de)	1993-09-09	Heteroaryloxyessigsaeure-n-isopropylanilide.
DE68921898D1 (de)	1995-04-27	Ringbinder.
FI892717A0 (fi)	1989-06-02	Felskyddskrets foer en effektkaella.
DE68903708D1 (de)	1993-01-14	Spielkasten.
DE58902774D1 (de)	1992-12-24	Pflanztafel.
FI893560A (fi)	1990-01-27	Hydrauliskt slagverktyg.
DE58902346D1 (de)	1992-11-05	Traenkeventil.
DE58903112D1 (de)	1993-02-04	Kannenstock.
DE68901775D1 (de)	1992-07-23	Mammographiegeraet.
DE58902190D1 (de)	1992-10-08	Schaelmaschine.
FI83400B (fi)	1991-03-28	Faestningsklaemma.
DE58900554D1 (de)	1992-01-23	Aminoguanidinoazine.
DE68905196D1 (de)	1993-04-08	Faschine.
ATE86241T1 (de)	1993-03-15	Indanderivate.
DE68904912D1 (de)	1993-03-25	Ringlaser-kreisel.
FI80861B (fi)	1990-04-30	Plastdosa.
DE58908380D1 (de)	1994-10-27	Benzofuranylbiphenyle.
ES1007733Y (es)	1989-09-01	Arqueta.
FI884504A0 (fi)	1988-09-30	Hoegfrekvensfilter.
DE68907005D1 (de)	1993-07-15	Octafluorbiphenyle.
DE58903056D1 (de)	1993-01-28	Haarschneidegeraet.
ES1007618Y (es)	1989-08-16	Columna-contenedor.
ES1004162Y (es)	1989-02-16	Salero-pimentero.
ES1007332Y (es)	1989-07-16	Pastillero.