IT1144185B - Martello demolitore idraulico - Google Patents

Martello demolitore idraulico

Info

Publication number
IT1144185B
IT1144185B IT67554/81A IT6755481A IT1144185B IT 1144185 B IT1144185 B IT 1144185B IT 67554/81 A IT67554/81 A IT 67554/81A IT 6755481 A IT6755481 A IT 6755481A IT 1144185 B IT1144185 B IT 1144185B
Authority
IT
Italy
Prior art keywords
chamber
mass
oil
casing
hydraulic road
Prior art date
Application number
IT67554/81A
Other languages
English (en)
Other versions
IT8167554A0 (it
Inventor
Mario Musso
Original Assignee
Mario Musso
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 Mario Musso filed Critical Mario Musso
Priority to IT67554/81A priority Critical patent/IT1144185B/it
Publication of IT8167554A0 publication Critical patent/IT8167554A0/it
Priority to BE0/207897A priority patent/BE892933A/fr
Priority to GB8211633A priority patent/GB2100364B/en
Priority to FR8206967A priority patent/FR2504439A1/fr
Priority to US06/370,851 priority patent/US4474248A/en
Priority to DE19823215106 priority patent/DE3215106A1/de
Priority to ES1982264691U priority patent/ES264691Y/es
Application granted granted Critical
Publication of IT1144185B publication Critical patent/IT1144185B/it

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
    • B25D9/26—Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof
    • 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
    • B25D9/06—Means for driving the impulse member
    • B25D9/12—Means for driving the impulse member comprising a built-in liquid motor, i.e. the tool being driven by hydraulic pressure
    • 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
    • B25D9/16—Valve arrangements therefor
    • B25D9/20—Valve arrangements therefor involving a tubular-type slide valve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2209/00—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D2209/002—Pressure accumulators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D2209/00—Details of portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
    • B25D2209/005—Details 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)
  • Percussive Tools And Related Accessories (AREA)
  • Earth Drilling (AREA)
IT67554/81A 1981-04-23 1981-04-23 Martello demolitore idraulico IT1144185B (it)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT67554/81A IT1144185B (it) 1981-04-23 1981-04-23 Martello demolitore idraulico
BE0/207897A BE892933A (fr) 1981-04-23 1982-04-22 Marteau demolisseur hydraulique
GB8211633A GB2100364B (en) 1981-04-23 1982-04-22 A hydraulic percussive drill
FR8206967A FR2504439A1 (fr) 1981-04-23 1982-04-22 Materiau demolisseur hydraulique
US06/370,851 US4474248A (en) 1981-04-23 1982-04-22 Hydraulic demolishing rock drill
DE19823215106 DE3215106A1 (de) 1981-04-23 1982-04-23 Hydraulischer abbruch- oder steinbohrer
ES1982264691U ES264691Y (es) 1981-04-23 1982-04-23 Martillo hidraulico perfeccionado.

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 (2)

Publication Number Publication Date
IT8167554A0 IT8167554A0 (it) 1981-04-23
IT1144185B true IT1144185B (it) 1986-10-29

Family

ID=11303399

Family Applications (1)

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

Country Status (2)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5087100A (en) * 1990-10-17 1992-02-11 Bruce Howard D Method of fracturing rock or similar material and apparatus therefore
JP6429098B2 (ja) * 2014-12-19 2018-11-28 ドグ ユン，ヨン 掘削機を用いた掘削装置

Also Published As

Publication number Publication date
BE892933A (fr) 1982-08-16
IT8167554A0 (it) 1981-04-23

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