DE58903827D1 - Hydraulikventilkombination fuer rammhaemmer. - Google Patents

Hydraulikventilkombination fuer rammhaemmer.

Info

Publication number
DE58903827D1
DE58903827D1 DE8989105202T DE58903827T DE58903827D1 DE 58903827 D1 DE58903827 D1 DE 58903827D1 DE 8989105202 T DE8989105202 T DE 8989105202T DE 58903827 T DE58903827 T DE 58903827T DE 58903827 D1 DE58903827 D1 DE 58903827D1
Authority
DE
Germany
Prior art keywords
hammer
hydraulic valve
valve combination
combination
hydraulic
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.)
Expired - Fee Related
Application number
DE8989105202T
Other languages
English (en)
Inventor
Hans Kuehn
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.)
Menck GmbH
Original Assignee
Menck GmbH
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 Menck GmbH filed Critical Menck GmbH
Application granted granted Critical
Publication of DE58903827D1 publication Critical patent/DE58903827D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D7/00—Methods or apparatus for placing sheet pile bulkheads, piles, mouldpipes, or other moulds
    • E02D7/02—Placing by driving
    • E02D7/06—Power-driven drivers
    • E02D7/10—Power-driven drivers with pressure-actuated hammer, i.e. the pressure fluid acting directly on the hammer structure

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
DE8989105202T 1989-03-23 1989-03-23 Hydraulikventilkombination fuer rammhaemmer. Expired - Fee Related DE58903827D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19890105202 EP0388498B1 (de) 1989-03-23 1989-03-23 Hydraulikventilkombination für Rammhämmer

Publications (1)

Publication Number Publication Date
DE58903827D1 true DE58903827D1 (de) 1993-04-22

Family

ID=8201132

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989105202T Expired - Fee Related DE58903827D1 (de) 1989-03-23 1989-03-23 Hydraulikventilkombination fuer rammhaemmer.

Country Status (2)

Country Link
EP (1) EP0388498B1 (de)
DE (1) DE58903827D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE145028T1 (de) * 1992-01-21 1996-11-15 Bsp Int Foundation Ventilsteuervorrichtung
US5526885A (en) * 1992-08-19 1996-06-18 Aktsionernoe Obschestvo Zakrytogo Tipa "Rossiiskaya Patentovannaya Tekhnika" (Ropat) Hydraulic device for driving piles
GB2344547B (en) * 1998-11-14 2002-12-18 Aldridge Piling Equipment Actuator apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3736958A (en) * 1972-04-13 1973-06-05 Lockheed Aircraft Corp Four-way solenoid selector valve
GB8304691D0 (en) * 1983-02-19 1983-03-23 Bsp Int Foundation Valve
DE3400302A1 (de) * 1984-01-03 1985-08-29 Mannesmann AG, 4000 Düsseldorf Hydraulisch betaetigte schlagvorrichtung

Also Published As

Publication number Publication date
EP0388498B1 (de) 1993-03-17
EP0388498A1 (de) 1990-09-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: MENCK GMBH, 25479 ELLERAU, DE

8339 Ceased/non-payment of the annual fee