GB2155842B - Pneumatic hammer - Google Patents

Pneumatic hammer

Info

Publication number
GB2155842B
GB2155842B GB08406977A GB8406977A GB2155842B GB 2155842 B GB2155842 B GB 2155842B GB 08406977 A GB08406977 A GB 08406977A GB 8406977 A GB8406977 A GB 8406977A GB 2155842 B GB2155842 B GB 2155842B
Authority
GB
United Kingdom
Prior art keywords
pneumatic hammer
hammer
pneumatic
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
GB08406977A
Other versions
GB2155842A (en
GB8406977D0 (en
Inventor
Vladimir Ilich Merkulov
Oleg Alexandrovich Krivtsov
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.)
RIZHSKIJ POLT INST
Original Assignee
RIZHSKIJ POLT INST
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 RIZHSKIJ POLT INST filed Critical RIZHSKIJ POLT INST
Priority to GB08406977A priority Critical patent/GB2155842B/en
Publication of GB8406977D0 publication Critical patent/GB8406977D0/en
Publication of GB2155842A publication Critical patent/GB2155842A/en
Application granted granted Critical
Publication of GB2155842B publication Critical patent/GB2155842B/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
    • 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)
GB08406977A 1984-03-16 1984-03-16 Pneumatic hammer Expired GB2155842B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08406977A GB2155842B (en) 1984-03-16 1984-03-16 Pneumatic hammer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB08406977A GB2155842B (en) 1984-03-16 1984-03-16 Pneumatic hammer

Publications (3)

Publication Number Publication Date
GB8406977D0 GB8406977D0 (en) 1984-04-18
GB2155842A GB2155842A (en) 1985-10-02
GB2155842B true GB2155842B (en) 1987-08-05

Family

ID=10558232

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08406977A Expired GB2155842B (en) 1984-03-16 1984-03-16 Pneumatic hammer

Country Status (1)

Country Link
GB (1) GB2155842B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI107891B (en) * 1998-03-30 2001-10-31 Sandvik Tamrock Oy Impact fluid driven impactor
FR2926237B1 (en) 2008-01-15 2010-06-11 Sullair Europ COMPRESSED AIR PIER DEVICE WITH VARIABLE CONTROL.

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA763554B (en) * 1976-05-03 1977-09-28 Hydroacoustic Inc Impact tools

Also Published As

Publication number Publication date
GB2155842A (en) 1985-10-02
GB8406977D0 (en) 1984-04-18

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Legal Events

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