EP 2962000 A1 20160106 - CONCRETE SCREW
Title (en)
CONCRETE SCREW
Title (de)
BETONSCHRAUBE
Title (fr)
VIS À BÉTON
Publication
Application
Priority
- DE 102013203151 A 20130226
- EP 2014052679 W 20140212
Abstract (en)
[origin: WO2014131615A1] The invention relates to a concrete screw having a shaft (31) and a screw thread (33) arranged on the shaft and a threaded coil (13) and a threaded base (14). According to the invention, in the end area (41) of the shaft, inside the shaft, at least one cut-out recess (36) for widening a borehole is provided, said recess extending, at least in sections, inside the thread base without interrupting the threaded coil. The invention also relates to a flat die for producing said type of concrete screw. The invention further relates to a method for producing a concrete screw.
IPC 8 full level
F16B 25/00 (2006.01); B21H 3/02 (2006.01); B21H 3/06 (2006.01)
CPC (source: CN EP US)
B21H 3/027 (2013.01 - CN EP US); B21H 3/04 (2013.01 - US); B21H 3/06 (2013.01 - CN EP US); F16B 25/0026 (2013.01 - CN EP US); F16B 25/0068 (2013.01 - EP); F16B 25/0078 (2013.01 - CN EP US); F16B 25/0084 (2013.01 - CN EP US); F16B 25/103 (2013.01 - US)
Citation (search report)
See references of WO 2014131615A1
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
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DE 102013203151 A1 20140828; CN 105008730 A 20151028; EP 2962000 A1 20160106; TW 201447118 A 20141216; US 2016003284 A1 20160107; WO 2014131615 A1 20140904
DOCDB simple family (application)
DE 102013203151 A 20130226; CN 201480010306 A 20140212; EP 14704138 A 20140212; EP 2014052679 W 20140212; TW 103102200 A 20140122; US 201414770405 A 20140212