FI98402B - Kolvkonstruktion för en borrmaskins axiallager - Google Patents

Kolvkonstruktion för en borrmaskins axiallager

Info

Publication number
FI98402B
FI98402B FI954822A FI954822A FI98402B FI 98402 B FI98402 B FI 98402B FI 954822 A FI954822 A FI 954822A FI 954822 A FI954822 A FI 954822A FI 98402 B FI98402 B FI 98402B
Authority
FI
Finland
Prior art keywords
axial bearing
piston construction
drill axial
drill
piston
Prior art date
Application number
FI954822A
Other languages
English (en)
Finnish (fi)
Other versions
FI954822A0 (sv
FI98402C (sv
Inventor
Timo Muuttonen
Original Assignee
Tamrock Oy
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 Tamrock Oy filed Critical Tamrock Oy
Priority to FI954822A priority Critical patent/FI98402C/sv
Publication of FI954822A0 publication Critical patent/FI954822A0/sv
Priority to JP9514743A priority patent/JPH11513320A/ja
Priority to AU72180/96A priority patent/AU698429B2/en
Priority to PCT/FI1996/000529 priority patent/WO1997013622A1/en
Priority to CA 2234390 priority patent/CA2234390A1/en
Priority to EP96933451A priority patent/EP0868263A1/en
Publication of FI98402B publication Critical patent/FI98402B/sv
Application granted granted Critical
Publication of FI98402C publication Critical patent/FI98402C/sv

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
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/24—Damping the reaction force
    • B25D17/245—Damping the reaction force using a fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Earth Drilling (AREA)
FI954822A 1995-10-10 1995-10-10 Kolvkonstruktion för en borrmaskins axiallager FI98402C (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI954822A FI98402C (sv) 1995-10-10 1995-10-10 Kolvkonstruktion för en borrmaskins axiallager
JP9514743A JPH11513320A (ja) 1995-10-10 1996-10-09 穿孔機の軸方向ベアリング用ピストン構造
AU72180/96A AU698429B2 (en) 1995-10-10 1996-10-09 A piston construction for an axial bearing of a drilling machine
PCT/FI1996/000529 WO1997013622A1 (en) 1995-10-10 1996-10-09 A piston construction for an axial bearing of a drilling machine
CA 2234390 CA2234390A1 (en) 1995-10-10 1996-10-09 A piston construction for an axial bearing of a drilling machine
EP96933451A EP0868263A1 (en) 1995-10-10 1996-10-09 A piston construction for an axial bearing of a drilling machine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI954822A FI98402C (sv) 1995-10-10 1995-10-10 Kolvkonstruktion för en borrmaskins axiallager
FI954822 1995-10-10

Publications (3)

Publication Number Publication Date
FI954822A0 FI954822A0 (sv) 1995-10-10
FI98402B true FI98402B (sv) 1997-02-28
FI98402C FI98402C (sv) 1997-06-10

Family

ID=8544165

Family Applications (1)

Application Number Title Priority Date Filing Date
FI954822A FI98402C (sv) 1995-10-10 1995-10-10 Kolvkonstruktion för en borrmaskins axiallager

Country Status (6)

Country Link
EP (1) EP0868263A1 (sv)
JP (1) JPH11513320A (sv)
AU (1) AU698429B2 (sv)
CA (1) CA2234390A1 (sv)
FI (1) FI98402C (sv)
WO (1) WO1997013622A1 (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001086108A1 (en) * 2000-05-11 2001-11-15 Sandvik Tamrock Oy Rock drilling machine and alignment piece

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI84701C (sv) * 1990-02-23 1992-01-10 Tampella Oy Ab Anordning för axiallagret i en borrmaskin

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001086108A1 (en) * 2000-05-11 2001-11-15 Sandvik Tamrock Oy Rock drilling machine and alignment piece

Also Published As

Publication number Publication date
AU698429B2 (en) 1998-10-29
WO1997013622A1 (en) 1997-04-17
JPH11513320A (ja) 1999-11-16
AU7218096A (en) 1997-04-30
EP0868263A1 (en) 1998-10-07
CA2234390A1 (en) 1997-04-17
FI954822A0 (sv) 1995-10-10
FI98402C (sv) 1997-06-10

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Legal Events

Date Code Title Description
BB Publication of examined application