EP 3060817 A1 20160831 - EXPANSION ANCHOR WITH SPRING ELEMENT
Title (en)
EXPANSION ANCHOR WITH SPRING ELEMENT
Title (de)
SPREIZANKER MIT FEDERELEMENT
Title (fr)
ÉLÉMENT D'ANCRAGE À EXPANSION AVEC ÉLÉMENT RESSORT
Publication
Application
Priority
- EP 13189656 A 20131022
- EP 2014071962 W 20141014
- EP 14784217 A 20141014
Abstract (en)
[origin: CA2927957A1] The invention relates to an expansion anchor (1) for anchoring in a drilled hole (99) in a substrate (5), comprising a bolt (10) with a front end (51) and a rear end (52) opposite the front end, an expansion sleeve (20) arranged on the bolt, an expansion cone (12) which is arranged in the region of the front end of the bolt and which presses the expansion sleeve radially outward when the expansion cone is displaced in an extraction direction relative to the expansion sleeve, a counter bearing (8) for axially pressing an attachment part (6) to the substrate, which counter bearing is arranged in the region of the rear end of the bolt, and a spring element (7) arranged on the bolt for axially tensioning the counter bearing against the attachment part. According to the invention, the axial spring force F of the spring element lies in the range Fmin < Fmax where Fmin = dmax x 0.2 kN/mm - 0.8 kN Fmax = dmax x 0.6 kN/mmif the spring element is axially slackened 0.4 mm to 0.8 mm from its maximum spring travel, wherein dmax is a maximm diameter of the bolt between the expansion cone and the counter bearing.
IPC 8 full level
F16B 13/06 (2006.01); F16B 43/00 (2006.01)
CPC (source: EP US)
F16B 13/065 (2013.01 - EP US); F16B 13/066 (2013.01 - EP US); F16B 43/00 (2013.01 - EP US)
Citation (search report)
See references of WO 2015058997A1
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)
EP 2865903 A1 20150429; CA 2927957 A1 20150430; CN 105658966 A 20160608; EP 3060817 A1 20160831; US 2016252121 A1 20160901; WO 2015058997 A1 20150430
DOCDB simple family (application)
EP 13189656 A 20131022; CA 2927957 A 20141014; CN 201480057998 A 20141014; EP 14784217 A 20141014; EP 2014071962 W 20141014; US 201415030765 A 20141014