GB2070498B - Hydraulic bell hammer - Google Patents

Hydraulic bell hammer

Info

Publication number
GB2070498B
GB2070498B GB8030088A GB8030088A GB2070498B GB 2070498 B GB2070498 B GB 2070498B GB 8030088 A GB8030088 A GB 8030088A GB 8030088 A GB8030088 A GB 8030088A GB 2070498 B GB2070498 B GB 2070498B
Authority
GB
United Kingdom
Prior art keywords
bell hammer
hydraulic
hydraulic bell
hammer
bell
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
Application number
GB8030088A
Other versions
GB2070498A (en
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.)
Geis S A
Original Assignee
Geis S A
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
Priority claimed from ES1980249143U external-priority patent/ES249143Y/en
Priority claimed from ES1980250069U external-priority patent/ES250069Y/en
Application filed by Geis S A filed Critical Geis S A
Publication of GB2070498A publication Critical patent/GB2070498A/en
Application granted granted Critical
Publication of GB2070498B publication Critical patent/GB2070498B/en
Expired 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
    • B25D9/06—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
    • B25D9/145—Control devices for the reciprocating piston for hydraulically actuated hammers having an accumulator

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Percussive Tools And Related Accessories (AREA)
GB8030088A 1980-03-05 1980-09-17 Hydraulic bell hammer Expired GB2070498B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES1980249143U ES249143Y (en) 1980-03-05 1980-03-05 REPLACABLE NITROGEN ACCUMULATOR FOR HYDRAULIC HAMMER.
ES1980250069U ES250069Y (en) 1980-04-17 1980-04-17 MAIN VALVE FOR HYDRAULIC HAMMERS.

Publications (2)

Publication Number Publication Date
GB2070498A GB2070498A (en) 1981-09-09
GB2070498B true GB2070498B (en) 1984-06-20

Family

ID=26155461

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8030088A Expired GB2070498B (en) 1980-03-05 1980-09-17 Hydraulic bell hammer

Country Status (1)

Country Link
GB (1) GB2070498B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA939448B (en) * 1993-12-17 1994-08-09 Roger Robarts Briggs Accumulator

Also Published As

Publication number Publication date
GB2070498A (en) 1981-09-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee