GB8411621D0 - Hydraulically operated hammers - Google Patents

Hydraulically operated hammers

Info

Publication number
GB8411621D0
GB8411621D0 GB848411621A GB8411621A GB8411621D0 GB 8411621 D0 GB8411621 D0 GB 8411621D0 GB 848411621 A GB848411621 A GB 848411621A GB 8411621 A GB8411621 A GB 8411621A GB 8411621 D0 GB8411621 D0 GB 8411621D0
Authority
GB
United Kingdom
Prior art keywords
hydraulically operated
operated hammers
hammers
hydraulically
operated
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.)
Withdrawn
Application number
GB848411621A
Other versions
GB2141657A (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.)
PANTHER EQUIP Ltd
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
Priority claimed from GB838312862A external-priority patent/GB8312862D0/en
Application filed by PANTHER EQUIP Ltd filed Critical PANTHER EQUIP Ltd
Priority to GB08411621A priority Critical patent/GB2141657A/en
Publication of GB8411621D0 publication Critical patent/GB8411621D0/en
Publication of GB2141657A publication Critical patent/GB2141657A/en
Withdrawn legal-status Critical Current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
    • 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)
GB08411621A 1983-05-10 1984-05-08 Improvements in hydraulically operated hammers Withdrawn GB2141657A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08411621A GB2141657A (en) 1983-05-10 1984-05-08 Improvements in hydraulically operated hammers

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838312862A GB8312862D0 (en) 1983-05-10 1983-05-10 Concrete and rock breaking hammers
GB08411621A GB2141657A (en) 1983-05-10 1984-05-08 Improvements in hydraulically operated hammers

Publications (2)

Publication Number Publication Date
GB8411621D0 true GB8411621D0 (en) 1984-06-13
GB2141657A GB2141657A (en) 1985-01-03

Family

ID=26286080

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08411621A Withdrawn GB2141657A (en) 1983-05-10 1984-05-08 Improvements in hydraulically operated hammers

Country Status (1)

Country Link
GB (1) GB2141657A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2676953B1 (en) * 1991-05-30 1993-08-20 Montabert Ets HYDRAULIC PERCUSSION APPARATUS.
US5549252A (en) * 1994-07-18 1996-08-27 Industrial Sound Technologies, Inc. Water-hammer actuated crusher
ITBA20050012A1 (en) * 2005-03-16 2006-09-17 Eutecna S R L Soc HYDRAULIC PERCUSSION MACHINE WITH ON-OFF TYPE DRAWER AND PILOT PISTON
US9527198B2 (en) 2013-06-27 2016-12-27 Caterpillar Inc. Surge accumulator for hydraulic hammer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899934A (en) * 1956-01-19 1959-08-18 salengro
FR1431835A (en) * 1965-01-28 1966-03-18 Montabert Ets Percussion device
FI50941C (en) * 1974-04-25 1976-09-10 Tampella Oy Ab Impactor for pressurized fluid.
FR2369908A1 (en) * 1976-11-08 1978-06-02 Montabert Roger HYDRAULIC PERCUSSION DEVICE
FR2509217A1 (en) * 1981-07-10 1983-01-14 Montabert Ets MU-PERCUSSION APPARATUS USING PRESSURIZED FLUID

Also Published As

Publication number Publication date
GB2141657A (en) 1985-01-03

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)