EP0879679A2 - Setzgerät für Ankerstangen von Verbundankern - Google Patents
Setzgerät für Ankerstangen von Verbundankern Download PDFInfo
- Publication number
- EP0879679A2 EP0879679A2 EP98810311A EP98810311A EP0879679A2 EP 0879679 A2 EP0879679 A2 EP 0879679A2 EP 98810311 A EP98810311 A EP 98810311A EP 98810311 A EP98810311 A EP 98810311A EP 0879679 A2 EP0879679 A2 EP 0879679A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- rod
- setting tool
- ribs
- holder
- section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 150000001875 compounds Chemical class 0.000 title description 2
- 238000004873 anchoring Methods 0.000 title 1
- 238000003780 insertion Methods 0.000 claims abstract description 12
- 230000037431 insertion Effects 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims abstract description 9
- 238000005553 drilling Methods 0.000 claims abstract description 8
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 239000004570 mortar (masonry) Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 239000000945 filler Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D20/00—Setting anchoring-bolts
- E21D20/02—Setting anchoring-bolts with provisions for grouting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/02—Spanners; Wrenches with rigid jaws
- B25B13/06—Spanners; Wrenches with rigid jaws of socket type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/02—Spanners; Wrenches with rigid jaws
- B25B13/06—Spanners; Wrenches with rigid jaws of socket type
- B25B13/065—Spanners; Wrenches with rigid jaws of socket type characterised by the cross-section of the socket
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/48—Spanners; Wrenches for special purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B31/00—Hand tools for applying fasteners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/005—Attachments or adapters placed between tool and hammer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
Definitions
- the invention relates to a setting tool for anchor rods of composite anchors, the one have rear end portion of polygonal cross section, according to Preamble of claim 1.
- Composite anchors are fastening systems that have an anchor rod and an organic one or comprise inorganic mortar.
- the anchor rod is made using the Mortar compound fixed in a prepared hole.
- the anchor rod points to her load application means, for example an external thread, protruding from the bore, that are used to connect a component.
- For fastening the anchor rod First the mortar is poured into the hole and then the anchor rod inserted into the hole filled with the mortar. To increase structural The mortar is usually filled with fillers and / or aggregates added, which make it difficult to insert the anchor rod into the filled bore.
- the Mortar mass and possibly the fillers or aggregates are often contained in containers, which are inserted into the hole in undamaged condition.
- the containers can For example, glass ampoules or foil bags, which when inserting the Anchor rod must be destroyed.
- the mortar mass including filler or Aggregates are mixed well to ensure a homogeneous distribution across the depth to achieve the hole.
- multi-component mortar systems For example, in the case of inorganic resin-hardener-based systems, one is possible good mixing of the components required to ensure complete hardening of the To ensure mortar mass.
- the mixing of the mortar mass and the fillers or aggregates is done by a rotating insertion of the anchor rod into the hole. In addition to rotating them Axial impacts are exerted on the anchor rod. The axial blows support the destruction of the containers and facilitate the insertion of the Anchor rod in the with the mortar mass and the fillers or additives as well as the Remains of the container filled hole.
- the rotation of the anchor rod and the axial impacts on the anchor rod take place by means of impact-supported rotary drilling rigs, for example hammer drilling rigs Applicant. Since the anchor rod is not attached to the tool holder of the Hammer drill has adapted insertion end, setting tools are used, the one with an insertion end for the hammer drill and the other one Have receptacle for the rear end of the anchor rod. With the setting tool Torque transferred to the anchor rod and are from the hammer drill generated axial impacts forwarded to the anchor rod. At the back end of the For this purpose, an anchor section is provided which has a polygonal, for example, has a hexagonal cross-section.
- the known setting tools have the disadvantage that the rotary driving surfaces of the Recording by the rotating, striking setting process on the corresponding ones Driving surfaces on the end portion of the anchor rod can be upsized. This makes it difficult to remove the setting tool from the anchor rod will. As a rule, you must therefore wait before removing the anchor rod, until the mortar has hardened in the hole. For series applications Therefore, several setting tools are always available, one after the other Fastening with composite anchors without major interruptions. The force required to pull the setting tool off the anchor rod can even cause the anchor to loosen in the hole and the Attachment point no longer has the required holding values and becomes unusable.
- DE-C-43 01 582 discloses a screwdriver designed like a socket, which has three roller bodies in the receptacle, which are aligned in the axial direction are.
- the roller bodies are arranged at an angular distance of 120 ° from one another and radially mergable via control surfaces.
- the radial adjustment of the Roller body takes place when turning the screwdriver housing. Doing so the end of a screw inserted into the receptacle and it can Torque are transmitted.
- This well-known screwdriver is for Suitable screwing processes in which no axial blows occur. In case of Axial blows could affect the rollers that clamp the screw end hold, dig into the driving surfaces or even through the impulsive blows cold welded. The impulsive blows could also cause deformation or even lead to the destruction of the control surfaces, which affects the function of the Screwdriver or even make it unusable.
- the object of the present invention is therefore a setting tool for anchor rods of composite anchors with which the rotating and striking setting of the Anchor rod an upsetting on the driving surfaces of the end section of the Anchor rod is prevented.
- the setting tool should be easy after the setting process be removable again from the anchor rod and for setting further Be ready to tie rods.
- a setting tool for anchor rods from Composite anchor which in the characterizing section of claim 1 Features listed.
- a setting tool for Anchor rods of composite anchors with a rear end section of polygonal cross section created which comprises a housing, one end of which Insert end for the tool holder of an impact-supported rotary drilling rig, in particular a hammer drill, and its opposite end with a rod holder for the rear end section of the anchor rod Is provided.
- the rod holder has an axially extending inner surface of the at least two ribs protrude that are uniform over the circumference of the axially extending inner surface of the rod holder are distributed and in the axial direction extend.
- the arrangement of the axial ribs is chosen such that one of the Ribs of tangled inscribed cylinders have a diameter that is approximately 0.05 mm to 0.5 mm larger than the diameter of a largest in the polygonal Cross section of the end portion of the anchor rod inscribed circle.
- the diameter of the cross section between the Ribs writable cylinder and one in the polygonal cross section of the End section of a writable circle results between the rod holder and the end portion of the anchor rod a little play.
- the anchor rod rotates the rod holder can twist slightly in relation to the anchor rod until the ribs rest against and through the rotary driving surfaces of the end section Positive torque transmission.
- the setting tool can then simply be removed from the rear end section. Because of the play between the rod holder and the anchor rod acts during pulling the setting tool onto the anchor rod practically no traction. That's why the setting tool can be removed immediately after the setting process and the The risk of loosening the shear connector has been eliminated.
- the rear end portions of which have hexagonal cross section are three ribs in the rod receptacle are provided, which are at an angular distance of 120 ° from the substantially project cylindrical inner surface of the rod holder.
- the cylindrical Pole holder is easy to manufacture.
- the ribs are even over the Distributed circumference of the inner surface and allow a very even Torque introduction into the rotary driving surfaces at the end section of the anchor rod.
- the ribs that are in direct operative connection with the rotary driving surfaces, from a harder Material are as the inner surface of the rod holder.
- the ribs are preferably sections of the lateral surface of cylindrical Carbide pins. It proves to be particularly useful if the Carbide pins are interchangeably stored in the rod holder. In this way the tungsten carbide pins can easily be replaced if they become excessively worn and the life of the setting tool can be extended.
- the is detachably fixable in the housing preferably screwed in
- the housing preferably screwed in
- the removable insert also makes it easier to insert the carbide pins.
- their axial mounting can be simplified be in that blind holes are provided in use, which to the inner surface of the Rod holder open and closed at the mouth of the rod holder are trained. This ensures that the carbide pins, if they should be loosened by the axial blows during operation, not axially from theirs Mounts can fall.
- the rod holder for the end section of the Anchor rod is limited in the axial direction by a stop element, which is interchangeably supported within the housing.
- the stop element serves the Transfer of those coming from the hammer drill via the insertion end initiated axial impacts on the anchor rod. Because it is detachable in the housing of the setting tool is arranged, it can with excessive wear of the investment areas can be exchanged with the anchor rod.
- Stop element on its facing the rod holder, perpendicular to Inner surface extending stop surface has a projection that the Above the stop surface by about 0.5 mm to about 4 mm and made of hard metal.
- the selected geometry of the projection on the stop element is a Prevention of the end of the anchor rod prevented.
- the one with the anchor rod contacting projection of the stop element consists of hard metal, can a slight deformation of the usually somewhat softer end of the Anchor rod come; is a cold welding with the mostly galvanized anchor rod however prevented.
- As a particularly advantageous geometry for the from the stop surface projecting projection shows a lens shape with a radius of about 10 mm to about 40 mm.
- the insertion end is for Tool holder releasably connected to the housing. That way it can Setting tool very easy to different tool holders from Hammer drills are adjusted.
- a cylindrical Insert end for a jaw chuck of impact drills or a hexagon having an insertion end for a correspondingly designed tool holder be provided.
- FIG. 1 An embodiment of the setting tool according to the invention for anchor rods from Composite anchors are provided overall with the reference number 1 in FIG. 1.
- Das Setting tool 1 comprises a housing 2, one end of which is an insertion end 3 for connection to a tool holder of an axial impact-assisted Rotary drilling device, for example a hammer drill of the applicant.
- the plug-in end 3 as shown, is detachable connected to the housing 2 of the setting tool 1, for example screwed.
- the housing 2 open and is a rod holder 5 for the rear end of the Anchor rod arranged.
- the rod holder 5 is in one Insert part 4 is provided, which is equipped with an external thread 9 and in a Internal thread 10 can be screwed onto the housing 2.
- the rod holder 5 is from one provided in the insert part 4, essentially rotationally symmetrical, axial Bore formed, which extends over the entire length of the insert.
- the Bore can have a constant diameter over its length; she can too, as shown, graded, with a larger in the mouth area Has a diameter than that arranged further inside the housing 2 Section of the insert. The wider front area of the hole makes this easier Insert the anchor rod into the rod holder.
- Axially running ribs 7 are in the smaller diameter section of the bore provided that protrude from the inner surface 6 of the bore.
- the axially running ribs 7 are formed by the lateral surface of cylindrical pins 8, which are in axial Blind holes in insert 4 are held in a press fit.
- the holes are for Inner surface 6 formed open. In this way, the outer surfaces of the Cylinder pins 8 in some areas the cylindrical inner surface 6 of the bore.
- a stop element 11 connects to the insert 4 in the interior of the housing 2.
- the stop element 11 is loosely extended into an provided in the housing 2 Receptacle 12 inserted and is in place by the screw-in insert 4 fixed.
- a Projection 14 arranged, the stop surface 13 by about 0.5 mm to about 4 mm towered over.
- the projection is preferably lenticular and has one Radius from about 10 mm to about 40 mm.
- the projection 14 and the part of the Inner surface 6 of the cylindrical pins 8 projecting from the bore are made of hard metal.
- Fig. 2 shows the insert 4 in a view of the end face of its inside the Housing 2 arranged section.
- the rear mouth of the rod holder 5 can be seen.
- the larger diameter area of the bore is indicated by dashed lines.
- the external thread 9 is arranged on the circumference of the insert part 4.
- On the back End face open the blind holes 15, which towards the inner surface 6 of the hole are openly trained.
- the cylindrical pins are press-fit in the blind holes 15 held.
- three are axially extending Blind holes 15 are provided, which are at the same angular distance w from one another, are arranged along the inner surface 6 of the bore. With three blind holes 15 the angular distance w is 120 ° in each case.
- FIG. 3 shows the geometrical relationships the rod holder 5 with respect to an inserted, a polygonal Cross section having end section P of an anchor rod to be set.
- the end section P as shown, has the shape of a cross section regular hexagon.
- the axially arranged cylindrical pins 8 protrude with their Shell surface sections from the inner surface 6 of the rod holder 5 and form the axially extending rigid ribs 7, which are even at an angular distance of 120 ° are distributed over the circumference of the inner surface 6.
- a cylinder affected by the ribs 7, whose circular cross section Z is indicated by dashed lines, has a diameter x on.
- the diameter of the largest in the hexagonal cross section of the end section P writable circle K is denoted by y.
- the cross section Z of the cylinder and the largest writable circles K are concentric to each other.
- the diameter x of the cross section Z of the cylinder by about 0.05 mm to about 0.5 mm is larger than the diameter y of the largest circle K that can be written
- Anchor rod is not held by clamping, but the rod holder can be turn slightly relative to the anchor rod until the rigid ribs 7 in Direction of rotation a positive fit with the rotary driving surfaces on the hexagonal Form end section P of the anchor rod.
- the rod holder 5 has one cylindrical inner surface 6.
- Ribs 7 have the cross section Z of the cylinder tangent to them in the area between the ribs 7 the same distance d from the inner surface 6 of the rod holder 5.
- the setting tool designed according to the invention prevents jamming or even a Cold welding of the rotary drivers that are operatively connected to one another or rotary driving surfaces during the setting process.
- the setting tool is easy in the Application and is easy to remove after setting the anchor rod.
- the areas of the setting tool that come into operative connection with the anchor rod made of hard metal.
- the setting tool is designed simply and inexpensively and allows the Exchange of the components that are particularly stressed during the setting process, whereby its lifespan can be increased.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Joining Of Building Structures In Genera (AREA)
- Earth Drilling (AREA)
- Percussive Tools And Related Accessories (AREA)
Abstract
Description
- Fig. 1
- ein erfindungsgemässes Setzgerät im teilweisen Axialschnitt;
- Fig. 2
- eine Aufsicht des rückwärtigen Endes eines die Stangenaufnahme aufweisenden Einsatzteils; und
- Fig. 3
- einen schematischen Querschnitt des Setzgeräts zur Erläuterung der geometrischen Verhältnisse im Bereich der Stangenaufnahme.
Claims (9)
- Setzgerät für Ankerstangen von Verbundankern, die einen rückwärtigen Endabschnitt (P) von polygonalem Querschnitt aufweisen, umfassend ein Gehäuse (2), dessen eines Ende ein Einsteckende (3) für die Werkzeugaufnahme eines schlagunterstützten Drehbohrgeräts, insbesondere eines Hammerbohrgeräts, aufweist und dessen in axialer Richtung (A) gegenüberliegendes Ende mit einer Stangenaufnahme (5) für den rückwärtigen Endabschnitt (P) der Ankerstange ausgestattet ist, dadurch gekennzeichnet, dass die Stangenaufnahme (5) eine axial verlaufende Innenfläche (6) aufweist, aus der wenigstens zwei Rippen (7) hervorspringen, die gleichmässig über den Umfang der axial verlaufenden Innenfläche (6) der Stangenaufnahme (5) verteilt sind und sich in axialer Richtung (A) erstrecken, wobei ein von den Rippen (7) tangierter eingeschriebener Zylinder (Z) einen Durchmesser (x) aufweist, der etwa 0,05 mm bis 0,5 mm grösser ist als der Durchmesser (y) eines grössten in den polygonalen Querschnitt des Endabschnitts (P) der Ankerstange einschreibbaren Kreises (K).
- Setzgerät nach Anspruch 1, dadurch gekennzeichnet, dass drei Rippen (7) vorgesehen sind, die parallel zueinander angeordnet sind und einen Winkelabstand (w) von 120° voneinander aufweisen.
- Setzgerät nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Rippen (7) aus einem härteren Material sind als die Innenfläche (6) der Stangenaufnahme (5).
- Setzgerät nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Rippen (7) Abschnitte der Mantelfläche von zylindrischen Hartmetallstiften (8) sind, die auswechselbar in der Stangenaufnahme (5) gelagert sind.
- Setzgerät nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Stangenaufnahme (5) in einem Einsatzteil (4) vorgesehen ist, das lösbar im Gehäuse (2) fixierbar, vorzugsweise einschraubbar, ist.
- Setzgerät nach Anspruch 5, dadurch gekennzeichnet, dass die Stangenaufnahme (5) für den Endabschnitt (P) der Ankerstange in axialer Richtung von einem Anschlagelement (11) begrenzt wird, das sich auswechselbar innerhalb des Gehäuses (2) abstützt.
- Setzgerät nach Anspruch 6, dadurch gekennzeichnet, dass das Anschlagelement (11) an seiner der Stangenaufnahme (5) zugewandten, senkrecht zur Innenfläche verlaufenden Anschlagfläche (13) einen Vorsprung (14) aufweist, der die Anschlagfläche (13) um etwa 0,5 mm bis etwa 4 mm überragt und aus einem härteren Material besteht als die Innenfläche (6).
- Setzgerät nach Anspruch 7, dadurch gekennzeichnet, dass der Vorspung (14) linsenförmig ausgebildet ist und einen Radius aufweist, der von etwa 10 mm bis etwa 40 mm beträgt.
- Setzgerät nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass das Einsteckende (3) für die Werkzeugaufnahme lösbar mit dem Gehäuse (2) verbunden ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19717498 | 1997-04-24 | ||
| DE19717498A DE19717498A1 (de) | 1997-04-25 | 1997-04-25 | Setzgerät für Ankerstangen von Verbundankern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0879679A2 true EP0879679A2 (de) | 1998-11-25 |
| EP0879679A3 EP0879679A3 (de) | 2000-11-02 |
Family
ID=7827737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98810311A Withdrawn EP0879679A3 (de) | 1997-04-25 | 1998-04-09 | Setzgerät für Ankerstangen von Verbundankern |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6050157A (de) |
| EP (1) | EP0879679A3 (de) |
| DE (1) | DE19717498A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0958100B1 (de) * | 1995-09-25 | 2003-11-26 | PROFIL-Verbindungstechnik GmbH & Co. KG | Verfahren zum einpressen eines verbindungselementes, bolzen, nietmatrize und komponentenanordnung |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6758116B2 (en) * | 2001-06-28 | 2004-07-06 | Porter-Cable/Delta | Depth adjusting system for a screw gun |
| US6598499B1 (en) * | 2002-09-10 | 2003-07-29 | Illinois Tool Works Inc. | Universal setting tool for adhesively bonded rebar and threaded rod anchors |
| US20120074659A1 (en) * | 2010-09-29 | 2012-03-29 | Henry H. Hamilton | Tool assembly and related methods |
| US9352455B2 (en) | 2011-09-20 | 2016-05-31 | Milwaukee Electric Tool Corporation | Fastener driver and extension |
| US9233459B2 (en) * | 2013-01-22 | 2016-01-12 | Fermi Research Alliance, Llc | Channel nut tool |
| EP3424643A1 (de) * | 2017-07-05 | 2019-01-09 | HILTI Aktiengesellschaft | Setzwerkzeug, set für ein setzwerkzeugsystem und setzwerkzeugsystem |
| US20220212327A1 (en) * | 2021-01-07 | 2022-07-07 | Eric Vilandre | Hammer Drill Driving Bit Device |
| CH718961A2 (de) * | 2021-09-15 | 2023-03-15 | Studersond Ag | Schnellkupplung für ein drehendes und gleichzeitig schlagendes Werkzeug. |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1536309A (en) * | 1922-08-24 | 1925-05-05 | William F Reulman | Interchangeable stud driver |
| US1798257A (en) * | 1926-09-23 | 1931-03-31 | Ingersoll Rand Co | Front head for rock drills |
| FR1191487A (fr) * | 1958-02-13 | 1959-10-20 | Le Burin Ets | Perfectionnements apportés au montage des outils dans les marteaux et perforatrices |
| US3656793A (en) * | 1970-04-23 | 1972-04-18 | James Kenneth Mathews | Extension for bath faucet valve operators |
| DE2630116A1 (de) * | 1976-07-05 | 1978-01-19 | Hilti Ag | Halter zur aufnahme von selbstbohrduebeln |
| US4461195A (en) * | 1982-03-26 | 1984-07-24 | Barnick John F | Multi-machine cutter holder |
| US4930378A (en) * | 1988-04-22 | 1990-06-05 | David S. Colvin | Wrench opening engagement surface configuration |
| US4880245A (en) * | 1988-04-29 | 1989-11-14 | Carbonic Systems Of America, Inc. | Chuck for concrete slab dowels |
| DE3940320C1 (en) * | 1989-12-06 | 1991-06-13 | Lorenz 8197 Koenigsdorf De Stoeger | Socket spanner head with hexagonal nut cavity - which has circular base with dia. corresp. to max nut dia. and slidable pin(s) |
| JPH0753894Y2 (ja) * | 1992-01-21 | 1995-12-13 | 株式会社山下工業研究所 | スタッドプラー |
| US5265503A (en) * | 1992-02-04 | 1993-11-30 | Dolin Lee A | Lug nut and socket |
| US5509332A (en) * | 1994-02-28 | 1996-04-23 | Three Star Enterprises, Inc. | Friction clutch hand tool |
-
1997
- 1997-04-25 DE DE19717498A patent/DE19717498A1/de not_active Withdrawn
-
1998
- 1998-04-09 EP EP98810311A patent/EP0879679A3/de not_active Withdrawn
- 1998-04-24 US US09/066,232 patent/US6050157A/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0958100B1 (de) * | 1995-09-25 | 2003-11-26 | PROFIL-Verbindungstechnik GmbH & Co. KG | Verfahren zum einpressen eines verbindungselementes, bolzen, nietmatrize und komponentenanordnung |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0879679A3 (de) | 2000-11-02 |
| DE19717498A1 (de) | 1998-10-29 |
| US6050157A (en) | 2000-04-18 |
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