BE892933A - Marteau demolisseur hydraulique - Google Patents

Marteau demolisseur hydraulique Download PDF

Info

Publication number
BE892933A
BE892933A BE0/207897A BE207897A BE892933A BE 892933 A BE892933 A BE 892933A BE 0/207897 A BE0/207897 A BE 0/207897A BE 207897 A BE207897 A BE 207897A BE 892933 A BE892933 A BE 892933A
Authority
BE
Belgium
Prior art keywords
oil
axial chamber
hydraulic
hammer according
section
Prior art date
Application number
BE0/207897A
Other languages
English (en)
French (fr)
Inventor
M Musso
Original Assignee
Musso Mario
Donadio Giovanni
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 Musso Mario, Donadio Giovanni filed Critical Musso Mario
Publication of BE892933A publication Critical patent/BE892933A/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D9/00Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14Control devices for the reciprocating piston
    • B25D9/26Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D9/00Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/06Means for driving the impulse member
    • B25D9/12Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D9/00Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D9/14Control devices for the reciprocating piston
    • B25D9/16Valve arrangements therefor
    • B25D9/20Valve arrangements therefor involving a tubular-type slide valve
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D2209/00Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D2209/002Pressure accumulators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25DPERCUSSIVE TOOLS
    • B25D2209/00Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D2209/005Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously having a tubular-slide valve, which is coaxial with the piston

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
BE0/207897A 1981-04-23 1982-04-22 Marteau demolisseur hydraulique BE892933A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67554/81A IT1144185B (it) 1981-04-23 1981-04-23 Martello demolitore idraulico

Publications (1)

Publication Number Publication Date
BE892933A true BE892933A (fr) 1982-08-16

Family

ID=11303399

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/207897A BE892933A (fr) 1981-04-23 1982-04-22 Marteau demolisseur hydraulique

Country Status (2)

Country Link
BE (1) BE892933A (it)
IT (1) IT1144185B (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992007169A1 (en) * 1990-10-17 1992-04-30 Bruce Howard D A method of fracturing rock or similar material
EP3236001A4 (en) * 2014-12-19 2018-04-18 Young Dug Yoon Excavation apparatus using excavator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992007169A1 (en) * 1990-10-17 1992-04-30 Bruce Howard D A method of fracturing rock or similar material
AP273A (en) * 1990-10-17 1993-03-04 Howard Dixon Bruce A method of fracturing rock or similar material.
EP3236001A4 (en) * 2014-12-19 2018-04-18 Young Dug Yoon Excavation apparatus using excavator

Also Published As

Publication number Publication date
IT8167554A0 (it) 1981-04-23
IT1144185B (it) 1986-10-29

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: MUSSO MARIO

Effective date: 19860430

Owner name: DONADIO GIOVANNI

Effective date: 19860430