DK217584A - Hydraulisk hammer - Google Patents

Hydraulisk hammer Download PDF

Info

Publication number
DK217584A
DK217584A DK217584A DK217584A DK217584A DK 217584 A DK217584 A DK 217584A DK 217584 A DK217584 A DK 217584A DK 217584 A DK217584 A DK 217584A DK 217584 A DK217584 A DK 217584A
Authority
DK
Denmark
Prior art keywords
hydraulic hammer
hammer
hydraulic
Prior art date
Application number
DK217584A
Other languages
English (en)
Other versions
DK217584D0 (da
Inventor
Gordon David White
Original Assignee
Panther Equip 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 Panther Equip Ltd filed Critical Panther Equip Ltd
Publication of DK217584D0 publication Critical patent/DK217584D0/da
Publication of DK217584A publication Critical patent/DK217584A/da

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
    • 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
    • B25D2209/005—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

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
DK217584A 1983-05-10 1984-05-02 Hydraulisk hammer DK217584A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB838312862A GB8312862D0 (en) 1983-05-10 1983-05-10 Concrete and rock breaking hammers

Publications (2)

Publication Number Publication Date
DK217584D0 DK217584D0 (da) 1984-05-02
DK217584A true DK217584A (da) 1984-11-11

Family

ID=10542495

Family Applications (1)

Application Number Title Priority Date Filing Date
DK217584A DK217584A (da) 1983-05-10 1984-05-02 Hydraulisk hammer

Country Status (3)

Country Link
DE (1) DE3417199A1 (da)
DK (1) DK217584A (da)
GB (1) GB8312862D0 (da)

Also Published As

Publication number Publication date
GB8312862D0 (en) 1983-06-15
DE3417199A1 (de) 1984-11-29
DK217584D0 (da) 1984-05-02

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment