FI971591A - Hydraulic cylinder and impact hammer - Google Patents

Hydraulic cylinder and impact hammer Download PDF

Info

Publication number
FI971591A
FI971591A FI971591A FI971591A FI971591A FI 971591 A FI971591 A FI 971591A FI 971591 A FI971591 A FI 971591A FI 971591 A FI971591 A FI 971591A FI 971591 A FI971591 A FI 971591A
Authority
FI
Finland
Prior art keywords
hydraulic cylinder
impact hammer
hammer
impact
hydraulic
Prior art date
Application number
FI971591A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI971591A0 (en
Inventor
Veikko Suominen
Timo Salminen
Original Assignee
Veikko Suominen
Timo Salminen
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 Veikko Suominen, Timo Salminen filed Critical Veikko Suominen
Priority to FI971591A priority Critical patent/FI971591A/en
Publication of FI971591A0 publication Critical patent/FI971591A0/en
Priority to PCT/FI1998/000330 priority patent/WO1998046398A1/en
Priority to AU68362/98A priority patent/AU6836298A/en
Publication of FI971591A publication Critical patent/FI971591A/en

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
    • B25D9/16—Valve arrangements therefor
    • B25D9/18—Valve arrangements therefor involving a piston-type slide valve

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
FI971591A 1997-04-15 1997-04-15 Hydraulic cylinder and impact hammer FI971591A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FI971591A FI971591A (en) 1997-04-15 1997-04-15 Hydraulic cylinder and impact hammer
PCT/FI1998/000330 WO1998046398A1 (en) 1997-04-15 1998-04-14 Hydraulic cylinder and a demolition hammer controlled thereby
AU68362/98A AU6836298A (en) 1997-04-15 1998-04-14 Hydraulic cylinder and a demolition hammer controlled thereby

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI971591A FI971591A (en) 1997-04-15 1997-04-15 Hydraulic cylinder and impact hammer

Publications (2)

Publication Number Publication Date
FI971591A0 FI971591A0 (en) 1997-04-15
FI971591A true FI971591A (en) 1998-10-16

Family

ID=8548634

Family Applications (1)

Application Number Title Priority Date Filing Date
FI971591A FI971591A (en) 1997-04-15 1997-04-15 Hydraulic cylinder and impact hammer

Country Status (3)

Country Link
AU (1) AU6836298A (en)
FI (1) FI971591A (en)
WO (1) WO1998046398A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106416484B (en) * 2016-10-24 2018-10-09 新疆农垦科学院 The gas explosion subsoiling fertilizer applicator that hammering device and the device are constituted
CN114796908B (en) * 2022-04-28 2023-02-10 浙江中辰城市应急服务管理有限公司 Indoor portable fire-fighting forcible entry device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2559478A (en) * 1948-11-22 1951-07-03 Stonefield Inc Hydraulic impact tool
US4852662A (en) * 1988-03-28 1989-08-01 Caterpillar Inc. Impacting mechanism

Also Published As

Publication number Publication date
WO1998046398A1 (en) 1998-10-22
AU6836298A (en) 1998-11-11
FI971591A0 (en) 1997-04-15

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