Title:
EXPANSION BOLT
Document Type and Number:
WIPO Patent Application WO/2014/005876
Kind Code:
A8
Abstract:
The invention relates to an expansion bolt comprising an anchor bolt having an expansion section, and further comprising an expansion sleeve which surrounds the anchor bolt and which can be expanded by retracting the expansion section, and a spring element arranged on the anchor bolt. The spring element can be tensioned by inserting the anchor bolt into a bore hole and can retract the expansion section of the anchor bolt into the expansion sleeve when it is released. An indicator element indicates when a rated tension of the spring element is reached.
Inventors:
ECKSTEIN ANDREAS (DE)
GOLDT MATHIAS (AT)
SCHAEFFER MARC (AT)
APPL JOERG (CH)
DIJKHUIS ARJEN DETMER (AT)
GOLDT MATHIAS (AT)
SCHAEFFER MARC (AT)
APPL JOERG (CH)
DIJKHUIS ARJEN DETMER (AT)
Application Number:
PCT/EP2013/063192
Publication Date:
April 24, 2014
Filing Date:
June 25, 2013
Export Citation:
Assignee:
HILTI AG (LI)
International Classes:
F16B13/06; F16B13/08; F16B31/02
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