IT8167554A0 - HYDRAULIC DEMOLITION HAMMER - Google Patents

HYDRAULIC DEMOLITION HAMMER

Info

Publication number
IT8167554A0
IT8167554A0 IT8167554A IT6755481A IT8167554A0 IT 8167554 A0 IT8167554 A0 IT 8167554A0 IT 8167554 A IT8167554 A IT 8167554A IT 6755481 A IT6755481 A IT 6755481A IT 8167554 A0 IT8167554 A0 IT 8167554A0
Authority
IT
Italy
Prior art keywords
demolition hammer
hydraulic demolition
hydraulic
hammer
demolition
Prior art date
Application number
IT8167554A
Other languages
Italian (it)
Other versions
IT1144185B (en
Inventor
Musso Mario
Original Assignee
Musso Mario
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 filed Critical Musso Mario
Priority to IT67554/81A priority Critical patent/IT1144185B/en
Publication of IT8167554A0 publication Critical patent/IT8167554A0/en
Priority to FR8206967A priority patent/FR2504439A1/en
Priority to GB8211633A priority patent/GB2100364B/en
Priority to US06/370,851 priority patent/US4474248A/en
Priority to BE0/207897A priority patent/BE892933A/en
Priority to ES1982264691U priority patent/ES264691Y/en
Priority to DE19823215106 priority patent/DE3215106A1/en
Application granted granted Critical
Publication of IT1144185B publication Critical patent/IT1144185B/en

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)
  • Earth Drilling (AREA)
  • Percussive Tools And Related Accessories (AREA)
IT67554/81A 1981-04-23 1981-04-23 Hydraulic road drill with cylindrical hammer IT1144185B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
IT67554/81A IT1144185B (en) 1981-04-23 1981-04-23 Hydraulic road drill with cylindrical hammer
FR8206967A FR2504439A1 (en) 1981-04-23 1982-04-22 HYDRAULIC DEMOLISING MATERIAL
GB8211633A GB2100364B (en) 1981-04-23 1982-04-22 A hydraulic percussive drill
US06/370,851 US4474248A (en) 1981-04-23 1982-04-22 Hydraulic demolishing rock drill
BE0/207897A BE892933A (en) 1981-04-23 1982-04-22 HYDRAULIC DEMOLIZER HAMMER
ES1982264691U ES264691Y (en) 1981-04-23 1982-04-23 PERFECTED HYDRAULIC HAMMER.
DE19823215106 DE3215106A1 (en) 1981-04-23 1982-04-23 HYDRAULIC DEMOLITION OR STONE DRILL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67554/81A IT1144185B (en) 1981-04-23 1981-04-23 Hydraulic road drill with cylindrical hammer

Publications (2)

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

Family

ID=11303399

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67554/81A IT1144185B (en) 1981-04-23 1981-04-23 Hydraulic road drill with cylindrical hammer

Country Status (2)

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

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 (en) * 2014-12-19 2018-11-28 ドグ ユン，ヨン Excavator using excavator

Also Published As

Publication number Publication date
IT1144185B (en) 1986-10-29
BE892933A (en) 1982-08-16

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