JPS52113302A - Pressurized fluid driven impact machine - Google Patents

Pressurized fluid driven impact machine

Info

Publication number
JPS52113302A
JPS52113302A JP794577A JP794577A JPS52113302A JP S52113302 A JPS52113302 A JP S52113302A JP 794577 A JP794577 A JP 794577A JP 794577 A JP794577 A JP 794577A JP S52113302 A JPS52113302 A JP S52113302A
Authority
JP
Japan
Prior art keywords
pressurized fluid
fluid driven
impact machine
driven impact
machine
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
JP794577A
Other languages
English (en)
Inventor
Ee Fuiritsupusu Rejinarudo
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.)
Joy Global Industries Ltd
Original Assignee
Dobson Park Industries 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 Dobson Park Industries Ltd filed Critical Dobson Park Industries Ltd
Publication of JPS52113302A publication Critical patent/JPS52113302A/ja
Pending legal-status Critical Current

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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
JP794577A 1976-01-29 1977-01-28 Pressurized fluid driven impact machine Pending JPS52113302A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3446/76A GB1581441A (en) 1976-01-29 1976-01-29 Fluid powered impact tools

Publications (1)

Publication Number Publication Date
JPS52113302A true JPS52113302A (en) 1977-09-22

Family

ID=9758494

Family Applications (1)

Application Number Title Priority Date Filing Date
JP794577A Pending JPS52113302A (en) 1976-01-29 1977-01-28 Pressurized fluid driven impact machine

Country Status (6)

Country Link
US (1) US4256145A (ja)
JP (1) JPS52113302A (ja)
DE (1) DE2703219A1 (ja)
FR (1) FR2339735A1 (ja)
GB (1) GB1581441A (ja)
ZA (1) ZA77260B (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2115886B (en) * 1982-03-02 1985-08-29 Dobson Park Ind Public Limited Impact tools
US4552327A (en) * 1983-09-19 1985-11-12 Western Gear Corporation Hydraulic ejector
US5205326A (en) * 1991-08-23 1993-04-27 Hydraulic Power Systems, Inc. Pressure response type pulsation damper noise attenuator and accumulator
JPH1191532A (ja) * 1997-09-26 1999-04-06 Aisin Seiki Co Ltd 車両用ブレーキ装置
DE10057746A1 (de) * 2000-11-16 2002-06-06 Hydac Technology Gmbh Hydrospeicher
US7680758B2 (en) * 2004-09-30 2010-03-16 Citrix Systems, Inc. Method and apparatus for isolating execution of software applications
DE102007010801A1 (de) 2007-03-02 2008-09-04 Bayer Cropscience Ag Diaminopyrimidine als Fungizide

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2876799A (en) * 1954-07-31 1959-03-10 Mercier Jean Sealing means for a slidable member in a pressure unit
US3015345A (en) * 1958-06-02 1962-01-02 Martin Marietta Corp Combination reservoir-accumulator arrangement for hydraulic system
US2943642A (en) * 1958-07-07 1960-07-05 Cleveland Pneumatic Ind Inc Liquid spring accumulator
FR1330550A (fr) * 1962-07-12 1963-06-21 Caterpillar Tractor Co Circuit hydraulique pour chargeuse montée sur tracteur
US3198213A (en) * 1962-12-21 1965-08-03 Gen Precision Inc Unit area ratio accumulator with fail-safe means
US3454050A (en) * 1967-01-31 1969-07-08 Pressure Products Ind Inc Accumulators
GB1356022A (en) * 1971-02-10 1974-06-12 Dobson Park Ind Impact tools or apparatus
US3774502A (en) * 1971-05-14 1973-11-27 Krupp Gmbh Hydraulic percussion device with pressure-responsive control of impact frequency
CH584591A5 (ja) * 1974-05-20 1977-02-15 Bosch Gmbh Robert

Also Published As

Publication number Publication date
US4256145A (en) 1981-03-17
DE2703219A1 (de) 1977-08-04
FR2339735A1 (fr) 1977-08-26
ZA77260B (en) 1977-12-28
GB1581441A (en) 1980-12-17

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