FI50390B - - Google Patents

Info

Publication number
FI50390B
FI50390B FI2866/73A FI286673A FI50390B FI 50390 B FI50390 B FI 50390B FI 2866/73 A FI2866/73 A FI 2866/73A FI 286673 A FI286673 A FI 286673A FI 50390 B FI50390 B FI 50390B
Authority
FI
Finland
Application number
FI2866/73A
Other versions
FI286673A (fi
FI50390C (fi
Inventor
Esko Juvonen
Pentti Virtanen
Original Assignee
Murskauskone Oy
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 Murskauskone Oy filed Critical Murskauskone Oy
Priority to FI732866A priority Critical patent/FI50390C/fi
Priority to SE7411336A priority patent/SE417584B/xx
Priority to US05/505,028 priority patent/US3965799A/en
Priority to DE19742443800 priority patent/DE2443800A1/de
Publication of FI286673A publication Critical patent/FI286673A/fi
Application granted granted Critical
Publication of FI50390B publication Critical patent/FI50390B/fi
Publication of FI50390C publication Critical patent/FI50390C/fi

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
FI732866A 1973-09-14 1973-09-14 Hydraulisesti käytetty iskulaite FI50390C (fi)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FI732866A FI50390C (fi) 1973-09-14 1973-09-14 Hydraulisesti käytetty iskulaite
SE7411336A SE417584B (sv) 1973-09-14 1974-09-09 Hydrauliskt driven slagapparat
US05/505,028 US3965799A (en) 1973-09-14 1974-09-11 Hydraulically operated percussion device
DE19742443800 DE2443800A1 (de) 1973-09-14 1974-09-13 Hydraulisch betriebene schlagvorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI732866A FI50390C (fi) 1973-09-14 1973-09-14 Hydraulisesti käytetty iskulaite

Publications (3)

Publication Number Publication Date
FI286673A FI286673A (fi) 1975-03-15
FI50390B true FI50390B (fi) 1975-12-01
FI50390C FI50390C (fi) 1976-03-10

Family

ID=8507700

Family Applications (1)

Application Number Title Priority Date Filing Date
FI732866A FI50390C (fi) 1973-09-14 1973-09-14 Hydraulisesti käytetty iskulaite

Country Status (4)

Country Link
US (1) US3965799A (fi)
DE (1) DE2443800A1 (fi)
FI (1) FI50390C (fi)
SE (1) SE417584B (fi)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI56052C (fi) * 1975-01-16 1979-11-12 Tampella Oy Ab Hydraulisk bergborrmaskin
FI751895A (fi) * 1975-06-26 1976-12-27 Xandor Ag
FI56430C (fi) * 1975-10-20 1982-08-09 Tampella Oy Ab Slaganordning driven av en tryckvaetska
US4072198A (en) * 1976-04-30 1978-02-07 Chicago Pneumatic Tool Company Hydraulic rock drill
FR2429320A1 (fr) * 1978-06-20 1980-01-18 Secoma Appareil de foration hydraulique roto-percutant
FI72908C (fi) * 1979-06-29 1987-08-10 Rammer Oy Hydraulisk slagmaskin.
DE2933640C2 (de) * 1979-08-20 1985-05-15 Edgar J. Beloit Wis. Justus Hydraulische Schlagvorrichtung
US4363258A (en) * 1980-04-17 1982-12-14 Joy Manufacturing Company Hydraulic impactor
DE3103856A1 (de) * 1981-02-05 1982-09-09 Hydroc Gesteinsbohrtechnik GmbH, 5960 Olpe Hydraulische schlagvorrichtung
US4474248A (en) * 1981-04-23 1984-10-02 Giovanni Donadio Hydraulic demolishing rock drill
GB8304691D0 (en) * 1983-02-19 1983-03-23 Bsp Int Foundation Valve
BG38433A1 (en) * 1983-05-30 1985-12-16 Georgiev Hydraulic percussion mechanism
BG38432A1 (en) * 1983-05-30 1985-12-16 Georgiev Hydraulic percussion mechanism
FI72178C (fi) * 1983-10-28 1987-04-13 Tampella Oy Ab Med rotationsmaskineri foersedd tryckmediedriven slagborrmaskin.
DE3400302A1 (de) * 1984-01-03 1985-08-29 Mannesmann AG, 4000 Düsseldorf Hydraulisch betaetigte schlagvorrichtung
EP0236721A3 (en) * 1986-03-11 1989-10-25 NITTETSU JITSUGYO CO., Ltd. Hydraulic breaker
FR2676953B1 (fr) * 1991-05-30 1993-08-20 Montabert Ets Appareil hydraulique a percussions.
FI104961B (fi) * 1996-07-19 2000-05-15 Sandvik Tamrock Oy Painenestekäyttöinen iskuvasara
DE19652079C2 (de) * 1996-12-14 1999-02-25 Krupp Berco Bautechnik Gmbh Fluidbetriebenes Schlagwerk
US5893419A (en) * 1997-01-08 1999-04-13 Fm Industries, Inc. Hydraulic impact tool
DE19803449A1 (de) * 1998-01-30 1999-08-05 Krupp Berco Bautechnik Gmbh Druckmittelbetriebene Schlagvorrichtung
SE522213C2 (sv) * 2000-05-31 2004-01-20 Morphic Technologies Ab Hydrauliskt slag/anpressningsanordning
SE527762C2 (sv) * 2004-10-14 2006-05-30 Atlas Copco Rock Drills Ab Slagverk
SE527921C2 (sv) * 2004-10-20 2006-07-11 Atlas Copco Rock Drills Ab Slagverk
SE529615C2 (sv) * 2006-02-20 2007-10-09 Atlas Copco Rock Drills Ab Slagverk och bergborrmaskin samt förfarande för att styra slagkolvens slaglängd
US7353845B2 (en) * 2006-06-08 2008-04-08 Smith International, Inc. Inline bladder-type accumulator for downhole applications
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
AT511810B1 (de) 2011-09-27 2013-03-15 Tmt Bbg Res And Dev Gmbh Schlagwerk für eine hammereinrichtung und verfahren zum offenstellen einer abstichöffnung
AT513849B1 (de) * 2013-03-04 2014-08-15 Tmt Bbg Res And Dev Gmbh Steuerung der Arbeitsfrequenz eines Schlagwerkes
CN103726783A (zh) * 2013-11-28 2014-04-16 江麓机电集团有限公司 一种新型套阀式液压冲击机构
FR3057483B1 (fr) * 2016-10-14 2019-04-19 Montabert Appareil a percussions pourvu d’un palier de guidage equipe d’un dispositif de centrage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA651732A (en) * 1962-11-06 Ingenieurburo Dipl.Ing. Friedrich Hein? Flottmann Control system for a hydraulically operated percussion device
US1895153A (en) * 1932-09-07 1933-01-24 Cleveland Rock Drill Co Valve for rock drills
US2426409A (en) * 1944-03-31 1947-08-26 Chicago Pneumatic Tool Co Distributing valve for percussive tools
US3774502A (en) * 1971-05-14 1973-11-27 Krupp Gmbh Hydraulic percussion device with pressure-responsive control of impact frequency

Also Published As

Publication number Publication date
FI286673A (fi) 1975-03-15
FI50390C (fi) 1976-03-10
SE417584B (sv) 1981-03-30
SE7411336L (fi) 1975-03-17
DE2443800A1 (de) 1975-03-20
US3965799A (en) 1976-06-29

Similar Documents

Publication Publication Date Title
AU476761B2 (fi)
AU474593B2 (fi)
FI50390B (fi)
AU474511B2 (fi)
AU474838B2 (fi)
AU471343B2 (fi)
AU476714B2 (fi)
AU476696B2 (fi)
AU472848B2 (fi)
AR199451A1 (fi)
AU477823B2 (fi)
AR196382A1 (fi)
AR195311A1 (fi)
AR195948A1 (fi)
AR193950A1 (fi)
AU476873B1 (fi)
AR197627A1 (fi)
AU477824B2 (fi)
AU471461B2 (fi)
AR196123Q (fi)
AR196212Q (fi)
BG18805A1 (fi)
AU479419A (fi)
BG21305A1 (fi)
AU479562A (fi)