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2011
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Invention
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Protective device for (rock) bolts and friction bolts. In order to protect the coating that prote... |
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2010
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Invention
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Friction bolt. The invention relates to a tube (1) of a friction bolt having an outer part (3) an... |
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2008
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Invention
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Improved sliding anchor. The invention relates to a sliding anchor (10) for inserting in a boreho... |
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Invention
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Anchor and anchor nut thereof. An anchor has an anchor rod (3) which must be rotated during the s... |
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2007
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Invention
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Sliding anchor. The invention relates to a sliding anchor bolt (10) for introduction into a bore.... |
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Invention
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Improved sliding anchor.
The invention relates to a sliding anchor bolt (10) for intro... |
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Invention
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Mixing element. On a tie bolt (2) which is to be fixed in a drill hole by adhesive or mortar, tee... |
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Invention
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Corrosion-protected anchor. To protect anchors from corrosion due to aggressive waters undergroun... |
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Invention
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Friction bolt and expansion adaptor for said anchor. A friction bolt comprises a tube (1) which c... |
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2006
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Invention
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Heat exchanger. Anchors, especially injection drilling anchors, are used as heat exchangers in co... |
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Invention
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Fluid recovery. After a rock anchor (1), in particular an expandable friction tube anchor (1), co... |
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2005
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Invention
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Process for setting anchors and anchor which can be used in this process.
An anchor with a longi... |
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Invention
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Method for installing anchors and an anchor which can be used according to said method. The inven... |
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Invention
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Process for setting anchors and anchor usable in the process.
The invention relates to... |
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Invention
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Drill bit. A drill bit has, on its face, a combination of at least one straight cutting edge and ... |
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Invention
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Elongate element tensioning member. An adjustable yield rock bolt that comprises an elongated ten... |
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Invention
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An elongate element tensioning member. An adjustable yield rock bolt that comprises an elongated ... |
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Invention
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An elongate element tensioning member.
An adjustable yield rock bolt that comprises an... |
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2003
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Invention
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Drill bit. A drill bit comprises, on its face, either only curved cutting edges or a combination ... |
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Invention
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Coupling for anchor bolts. The invention relates to a coupling for anchor bolts, comprising a sle... |
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Invention
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Coupling of drill anchors.
The invention relates to a coupling for anchor bolts, compr... |
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2002
|
Invention
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Drill bit. A drill bit (1) comprises, on its face, either only curved cutting edges (2) or a comb... |
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Invention
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Drill bit.
A drill bit (1) comprises, on its face, either only curved cutting edges (2... |
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2001
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Invention
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Connecting an anchoring rod to a drilling tool. The invention relates to an anchoring rod (6) for... |
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Invention
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Connecting an anchoring rod to a drilling tool.
The invention relates to an anchoring ... |
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1997
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Invention
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Coupling for tie rods. For coupling anchor bars (2) of injection anchors, the anchor bars are scr... |
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1994
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Invention
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Coupling for anchor bars.
For coupling anchor bars (2) of injection anchors, the anch... |
