EP 1513986 A1 20050316 - A DEVICE PRODUCING HAMMERING
Title (en)
A DEVICE PRODUCING HAMMERING
Title (de)
HÄMMERVORRICHTUNG
Title (fr)
DISPOSITIF DE MARTELAGE
Publication
Application
Priority
- FI 0300385 W 20030519
- FI 20020931 A 20020517
Abstract (en)
[origin: WO03097945A1] A hammering device comprising a body (1) from which the device can be connected to a working machine, for instance, a stroke-transmitting piece (5) fixed in the body and taking the strokes of moving and hammering mass (2) and transmitting the strokes to pile (7) to be hammered into or pulled up from the ground, whereby between piece (5) and pile (7) a clamp (6) is applied, by means of which pile (7) surface is grasped. The device includes mass (2) moving cylinders (8), by means of which the back-motion of the mass can be carried out conducting the fluid pressure to have effect on piston (16) of said cylinders on primary side (20), and by means of which cylinders the hammering motion of mass can be carried out compressing the gas on the secondary side of cylinders 8 into wanted pressure by means of fluid pressure conducted to primary side (20), whereby hammering motion is carried out discharging the fluid pressure from primary side of the cylinders.
IPC 1-7
IPC 8 full level
E21B 7/20 (2006.01); E02D 7/10 (2006.01); E02D 11/00 (2006.01)
CPC (source: EP KR US)
E02D 7/10 (2013.01 - EP US); E02D 11/00 (2013.01 - EP KR US); E21B 7/20 (2013.01 - KR)
Citation (search report)
See references of WO 03097945A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 03097945 A1 20031127; AU 2003232865 A1 20031202; EP 1513986 A1 20050316; FI 115759 B 20050715; FI 20020931 A0 20020517; FI 20020931 A 20031118; JP 2005526195 A 20050902; JP 4485352 B2 20100623; KR 20050008719 A 20050121; US 2005199405 A1 20050915
DOCDB simple family (application)
FI 0300385 W 20030519; AU 2003232865 A 20030519; EP 03752779 A 20030519; FI 20020931 A 20020517; JP 2004505451 A 20030519; KR 20047018509 A 20030519; US 51463304 A 20041117