EP 2777885 B1 20141022 - Device for removing a drill bit which is stuck in masonry, concrete or the like
Title (en)
Device for removing a drill bit which is stuck in masonry, concrete or the like
Title (de)
Vorrichtung zum Lösen einer im Mauerwerk, Beton oder dergleichen festsitzenden Bohrkrone
Title (fr)
Dispositif pour détacher une couronne de forage se fixant dans un mur, du béton ou analogue
Publication
Application
Priority
DE 102013004329 A 20130314
Abstract (en)
[origin: EP2777885A1] The device (10) has a weight (15), which is moved from the drill bit (20) in the direction of a stop, and a drive unit, by which the weight is accelerated within an elongated hollow body (11) from a position located near the drill bit in the direction of the stop. The elongated hollow body is formed in a tubular manner. A compression spring (14) is arranged between the weight and the drill bit-sided end portion of the hollow body.
IPC 8 full level
B25B 27/02 (2006.01); B25D 1/16 (2006.01)
CPC (source: EP)
B25B 27/02 (2013.01); B25D 1/00 (2013.01); B25D 2250/241 (2013.01); B25D 2250/361 (2013.01); B25D 2250/371 (2013.01); B25D 2250/391 (2013.01)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 2777885 A1 20140917; EP 2777885 B1 20141022; DE 102013004329 A1 20140918
DOCDB simple family (application)
EP 13002249 A 20130427; DE 102013004329 A 20130314