EP1499792B1 - Verfahren zum herstellen eines bergbaumetalldübels - Google Patents

Verfahren zum herstellen eines bergbaumetalldübels Download PDF

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Publication number
EP1499792B1
EP1499792B1 EP03720524A EP03720524A EP1499792B1 EP 1499792 B1 EP1499792 B1 EP 1499792B1 EP 03720524 A EP03720524 A EP 03720524A EP 03720524 A EP03720524 A EP 03720524A EP 1499792 B1 EP1499792 B1 EP 1499792B1
Authority
EP
European Patent Office
Prior art keywords
grooves
metal mining
notches
dowel
mining plug
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.)
Expired - Lifetime
Application number
EP03720524A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1499792A1 (de
Inventor
Wolfgang Welser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Welser Profile AG AT
Original Assignee
Welser Profile AG AT
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Welser Profile AG AT filed Critical Welser Profile AG AT
Priority to SI200330621T priority Critical patent/SI1499792T1/sl
Publication of EP1499792A1 publication Critical patent/EP1499792A1/de
Application granted granted Critical
Publication of EP1499792B1 publication Critical patent/EP1499792B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/0026—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection characterised by constructional features of the bolts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/496—Multiperforated metal article making

Definitions

  • the present invention relates to a method for producing a mining metal dowel with notches mounted on the outside, according to the preamble of claim 1.
  • German Offenlegungsschrift 2,103,132 A discloses a sleeve for self-drilling anchors and a method for producing the sleeve.
  • a sleeve of flat material is disclosed.
  • the sheet is rolled in the cut to length state.
  • the sheet and the sleeve formed therefrom have prongs at least at one end.
  • This sleeve is driven in a mountain contained tunnel in the mountain itself. About a cone, the jagged end is priced. As a result, the sleeve connects to the mountain rock.
  • US Pat. No. 3,837,258 A discloses a method for reinforcing a rock formation with mining dowels.
  • a sleeve is disclosed which has a C-profile. The sleeve is not closed. Large voltage peaks can thus be poorly absorbed.
  • a rock anchor is known.
  • the fastening element has a receiving body, which is provided at one end with a drill head and at the opposite end has an engaging means.
  • the receiving body has a longitudinal bore, in which a Lörtenmasse is arranged.
  • the setting direction side facing away from the end of the fastening element has at least one through hole.
  • a mixing device is arranged, which mixes the individual components of the mortar composition of discharge through the through hole during the setting process.
  • the rock anchor construction is however kept expensive. By providing a mixing device, for example, the costs of production are unfortunately kept high.
  • An applicable for underground mining, active support threshold which is disclosed there, consists of a hollow body whose wall is wholly or partly made of sheet metal. By filling, in particular of water, the hollow body is inflated so that it can fill a cavity or eruption, in which he has not previously inserted or inserted in Vietnameseaufgeblähten state.
  • the individual hollow bodies are provided with coupling parts in order to connect them with each other or with the mountains or the expansion so that they remain in the predetermined position during the setting process.
  • these inflatable hollow body made of sheet metal are not particularly durable in mountains or rock massifs.
  • the hole for inserting the dowel need not be drilled in a separate operation, i. it can be drilled with the dowel itself. With such a dowel, the hole can also be drilled when a drill bit is placed on the dowel. The rock can be sucked through the dowel in the invention.
  • the longitudinal sides of the flat material are welded together after forming.
  • the notches have a longitudinal direction which is orthogonal or at an angle to a longitudinal axis of the tube, a high coefficient of friction and adhesion between dowels and rocks can result. As a result, a good assurance of the anchor against falling out and / or slipping of the anchor from the rock in this embodiment is guaranteed.
  • a particular advantage in the life of the anchor in the rock shows.
  • the notches are arranged in rows, a simple production of the dowel can be achieved in this embodiment, since the tool that creates the notches, must penetrate as required in the workpiece, the mining metal dowel.
  • the tool can be easily assembled and after the installation of the anchor in the rock, there is a uniform force distribution. This helps to save costs and to achieve a long service life.
  • This object is achieved in that a flat material is provided with notches and is deformed by cold rolling into a tube. As a result, a simple production is possible.
  • the hole for inserting the dowel need not be drilled in a separate operation, i. it can be drilled with the dowel itself. With such a dowel, the hole can also be drilled when a drill bit is placed on the dowel. The rock can be sucked through the dowel in the invention.
  • the longitudinal sides of the flat material are welded together after forming.
  • the notches have a longitudinal direction which is orthogonal or at an angle to a longitudinal axis of the tube, a high coefficient of friction and adhesion between dowels and rocks can result. As a result, a good assurance of the anchor against falling out and / or slipping of the anchor from the rock in this embodiment is guaranteed.
  • a particular advantage in the life of the anchor in the rock shows.
  • the notches are arranged in rows, a simple production of the dowel can be achieved in this embodiment, since the tool that creates the notches, must penetrate as required in the workpiece, the mining metal dowel.
  • the tool can be easily assembled and after the installation of the anchor in the rock, there is a uniform force distribution. This helps to save costs and to achieve a long service life.
  • the notches of one row are offset in height from the notches of at least one other row.
  • this embodiment results between dowels and rock a particularly viable and resilient adhesive layer.
  • the notches all have the same shape, one and the same tool can be used to make the notches in the mining metal dowel. This can minimize the cost of manufacturing. Only one tool is needed. However, several tools of the same type can be kept in order to achieve short downtimes.
  • the notches have a triangular cross-section, wherein the point of the triangle directed into the dowel interior has a rounding.
  • Such a designed tool for producing the notches is particularly easy to manufacture and extremely durable. As a result, a minimization of the maintenance costs in the production of the anchor can be achieved.
  • a flat material 14 can be seen.
  • the notches 2 are introduced into the flat material 14.
  • the notches 2 are arranged in the rows 5, 5a, 6 and 6a. It can be seen that the height of the notches 2 varies in height from row to row.
  • the height of the notches 2 is defined parallel to the longitudinal axis 11 of the flat material 14.
  • the shape and length of the notches 2 are the same in all rows 5, 5a, 6 and 6a.
  • the notches 2 are worked into the flat material 14 with a tool.
  • the flat material 14 is a metal sheet.
  • the longitudinal sides 7 and 8 of the flat material 14 extend parallel to the longitudinal axis 11 of the flat material 14.
  • the notches 2 extend transversely to the longitudinal axis 11.
  • FIG. 2 shows a cross section through the flat material 14 along the line II from FIG. 1.
  • the flat material 14 is closed on both sides by the longitudinal sides 7 and 8 of the flat material 14.
  • a notch 2 of the series 5 can be seen in this figure.
  • a flank 9 and a flank 10 which was incorporated by a tool in the flat material 14, can be seen. It can also be seen that the flanks 9 and 10 have an angle to the longitudinal side 8 and 9, which is a maximum of 90 °.
  • a next processing step is shown, by which the sheet 14 is bent such that there is a rounding and the notch 2 lies on the outside of the sheet.
  • Fig. 4 the bent to a tube sheet 14 is shown after cold rolling. As a result, the mining metal dowel 1 is formed.
  • a weld 3 can be seen, through which the longitudinal sides 7 and 8 of the cold-formed and bent, now in the state of a tube sheet 14 are connected.
  • the mining metal dowel 1 is shown with notches 2 arranged in rows 5, 5a, 6 and 6a.
  • the mining metal dowel is made of one Plate made of sheet metal to a tube with a round cross-section.
  • the longitudinal sides 7 and 8 are bent together in such a way that they are connected to each other via a weld 3.
  • the longitudinal axis 11 extends centrally through the center of the mining metal dowel. 1
  • a notch 2 is shown in a plan view.
  • the notch 2 is embedded in the mining metal dowel 1.
  • the notch 2 has a triangular cross-section, wherein the engaging in the flat material tip of the triangle is rounded.
  • the notch 2 has a flank 9 and a flank 10.
  • the flanks 9 and 10 are slightly inclined in relation to the surface of the mining metal dowel 1. In a specific embodiment, the flanks 9 and 10 at a right angle to the surface of the mined metal dowel 1.
  • the notches 2 have different lengths in a particular embodiment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)
  • Adornments (AREA)
  • Forging (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Manufacture Of Metal Powder And Suspensions Thereof (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Metal Extraction Processes (AREA)
EP03720524A 2002-04-29 2003-04-24 Verfahren zum herstellen eines bergbaumetalldübels Expired - Lifetime EP1499792B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200330621T SI1499792T1 (sl) 2002-04-29 2003-04-24 Postopek za izdelavo rudarskega kovinskega moznika

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10219155A DE10219155C1 (de) 2002-04-29 2002-04-29 Bergbaumetalldübel
DE10219155 2002-04-29
PCT/EP2003/004279 WO2003093644A1 (de) 2002-04-29 2003-04-24 Verfahren zum herstellen eines bergbaumetalldübels

Publications (2)

Publication Number Publication Date
EP1499792A1 EP1499792A1 (de) 2005-01-26
EP1499792B1 true EP1499792B1 (de) 2006-10-25

Family

ID=29285038

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03720524A Expired - Lifetime EP1499792B1 (de) 2002-04-29 2003-04-24 Verfahren zum herstellen eines bergbaumetalldübels

Country Status (11)

Country Link
US (1) US20060150411A1 (da)
EP (1) EP1499792B1 (da)
AT (1) ATE343709T1 (da)
AU (1) AU2003224123B2 (da)
CA (1) CA2484939C (da)
DE (2) DE10219155C1 (da)
DK (1) DK1499792T3 (da)
ES (1) ES2274226T3 (da)
PT (1) PT1499792E (da)
WO (1) WO2003093644A1 (da)
ZA (1) ZA200408748B (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013186284A1 (de) * 2012-06-12 2013-12-19 H + T Handel Und Technik Berwald Gmbh & Co. Kg Ankerelemente und verfahren zur herstellung von ankerelementen

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US846482A (en) * 1905-06-19 1907-03-12 Mahlon E Layne Method of forming perforated tubes and screens.
US1995398A (en) * 1934-05-07 1935-03-26 Edward L Rainboth Survey plug
US2704882A (en) * 1949-12-19 1955-03-29 Kenneth T Snow Method of making toothed devices
US2804797A (en) * 1954-06-23 1957-09-03 Super Grip Anchor Bolt Company Tubular, pronged reinforcing member for rock strata
US3837258A (en) * 1970-02-03 1974-09-24 C Williams Rock bolts
DE2103132A1 (de) * 1971-01-23 1972-08-03 Brueckl Technik Ges F Tech Erz Hülse für Selbstbohrdübel und Verfahren zur Herstellung der Hülse
US3918626A (en) * 1971-12-30 1975-11-11 Olin Corp Method of fabricating patterned tubing from metallic strip
US4089478A (en) * 1977-01-26 1978-05-16 Kenwood Manufacturing Company Limited Seed mill
FR2559207A1 (fr) * 1984-02-03 1985-08-09 Ars Forges Boulonneries Boulon de soutenement
US4628721A (en) * 1984-05-16 1986-12-16 Kaiser Steel Corporation Method of roll forming cylindrical pipe
DE3438395C1 (de) * 1984-10-19 1986-04-10 Ulrich Dr.-Ing. e.h. Dipl.-Ing. 4000 Düsseldorf Petersen Verfahren zum Herstellen nahtloser Stahlrohre grossen Durchmessers
US4684294A (en) * 1986-01-15 1987-08-04 Neill Raymond J O Retaining wall construction element
JPS62292282A (ja) * 1986-06-11 1987-12-18 Kawasaki Heavy Ind Ltd 溶接管製造方法
AU626111B2 (en) * 1988-10-19 1992-07-23 Lakeside Steel Corporation Tubular rock bolt
US5216811A (en) * 1990-09-10 1993-06-08 Steel Parts Corporation Method for forming a bushing
US5246655A (en) * 1991-04-30 1993-09-21 The Young Industries, Inc. Method of making thermoplastic valve rotors
DE4343313A1 (de) * 1992-12-23 1994-07-14 Langerbein Scharf Gmbh & Co Kg Aktive Stützschwelle für den Grubenausbau in Streb und Strecke
US5348213A (en) * 1992-12-28 1994-09-20 Olin Corporation Method for the manufacture of internally enhanced welded tubing
US5494209A (en) * 1992-12-28 1996-02-27 Olin Corporation Method for the manufacture of an internally enhanced welded tubing
DE4310796C2 (de) * 1993-04-05 1996-01-25 Reburg Patentverwertungs Gmbh Spreizanker
CA2122945C (en) * 1993-05-05 2003-06-10 John Christian Wilkinson Rock bolt shell and cone
WO1996021087A1 (de) * 1995-01-06 1996-07-11 H. Weidmann Ag Ankerstab für einen bohr-injektionsanker
US6055799A (en) * 1995-10-04 2000-05-02 Universite Laval & Agriculture Et Agro-Alimentaire Canada Forage conditioning machine
IT1290040B1 (it) * 1997-03-07 1998-10-19 Marcegaglia S P A Metodo per la stabilizzazione di ammassi rocciosi e relativo elemento stabilizzatore
AU3389299A (en) * 1998-03-30 1999-10-18 Craig John Smith A friction rock stabilizer
DE10017750B4 (de) * 2000-04-10 2008-11-20 Hilti Aktiengesellschaft Gebirgsanker
PL197261B1 (pl) * 2001-04-26 2008-03-31 Alwag Tunnelausbau Gmbh Sposób i urządzenie do wiercenia otworów i zabezpieczenia zakotwienia w otworze

Also Published As

Publication number Publication date
US20060150411A1 (en) 2006-07-13
ES2274226T3 (es) 2007-05-16
AU2003224123B2 (en) 2006-11-16
DE50305492D1 (de) 2006-12-07
CA2484939A1 (en) 2003-11-13
DK1499792T3 (da) 2007-02-26
WO2003093644A1 (de) 2003-11-13
ZA200408748B (en) 2006-07-26
ATE343709T1 (de) 2006-11-15
CA2484939C (en) 2009-06-02
DE10219155C1 (de) 2003-12-18
EP1499792A1 (de) 2005-01-26
AU2003224123A1 (en) 2003-11-17
PT1499792E (pt) 2007-01-31

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