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AR050222A1 - FRICTION STABILIZER WITH TONGUES - Google Patents

FRICTION STABILIZER WITH TONGUES

Info

Publication number
AR050222A1
AR050222A1 ARP040103520A ARP040103520A AR050222A1 AR 050222 A1 AR050222 A1 AR 050222A1 AR P040103520 A ARP040103520 A AR P040103520A AR P040103520 A ARP040103520 A AR P040103520A AR 050222 A1 AR050222 A1 AR 050222A1
Authority
AR
Argentina
Prior art keywords
tubular body
tabs
mine
stabilizer
friction stabilizer
Prior art date
Application number
ARP040103520A
Other languages
Spanish (es)
Inventor
George Gerald Valgora
Original Assignee
Roll Form Group A Division Of
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 Roll Form Group A Division Of filed Critical Roll Form Group A Division Of
Publication of AR050222A1 publication Critical patent/AR050222A1/en

Links

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
    • E21D21/004—Bolts held in the borehole by friction all along their length, without additional fixing means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Earth Drilling (AREA)
  • Exhaust Silencers (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)

Abstract

Un estabilizador de friccion que tiene lengüetas que comprende un cuerpo tubular que comprende una superficie exterior y tiene una primera porcion y tiene una segunda porcion provista con un aguzamiento. La primera porcion tiene un extremo de impacto y la segunda porcion tiene un extremo de insercion. Una lengüeta está sobre el cuerpo tubular y se extiende hacia fuera desde el exterior de la superficie del cuerpo tubular en una direccion hacia el extremo de impacto y alejándose del extremo de insercion del cuerpo tubular. Las lengüetas pueden ser de forma rectangular o triangular o pueden tener otras formas que impidan que el estabilizador de friccion sea removido del agujero de taladrado en una mina. Cuando el estabilizador de friccion con lengüeta es insertado dentro del agujero taladrado en una mina, las lengüetas no impiden la insercion. Pero, después de la insercion en el agujero taladrado las lengüetas oponen resistencia a la remocion del cuerpo tubular, y por lo tanto permiten que el estabilizador soporte la pared de la mina o el techo de la mina. El estabilizador de friccion está hecho tomando una bobina de acero y punzonando la forma de las lengüetas en el metal, por ejemplo una lámina de metal, desenrollada de la bobina. Una ranura es también punzonada en la lámina a una localizacion predeterminada. Los troqueles de estirado en frío enrollan el cuerpo tubular, y una máquina de corte corta el cuerpo tubular por las ranuras, de modo que los cuerpos tubulares son cortados a longitudes predeterminadas. Las lengüetas se extienden desde la superficie exterior del cuerpo tubular debido a la constante de resorte natural del acero o metal del cual está hecho el cuerpo tubular. Un anillo de soldadura es soldado al extremo de impacto y tiene un espacio de anillo de soldadura.A friction stabilizer having tabs comprising a tubular body that comprises an outer surface and has a first portion and has a second portion provided with a hole. The first portion has an impact end and the second portion has an insertion end. A tongue is on the tubular body and extends outwardly from the outside of the surface of the tubular body in a direction towards the impact end and away from the insertion end of the tubular body. The tabs may be rectangular or triangular in shape or they may have other shapes that prevent the friction stabilizer from being removed from the drilling hole in a mine. When the tongue friction stabilizer is inserted into the hole drilled in a mine, the tabs do not prevent insertion. But, after insertion into the drilled hole, the tabs oppose resistance to the removal of the tubular body, and therefore allow the stabilizer to support the mine wall or the mine roof. The friction stabilizer is made by taking a steel coil and punching the shape of the tabs on the metal, for example a metal sheet, unwound from the coil. A groove is also punched in the sheet to a predetermined location. The cold drawing dies roll the tubular body, and a cutting machine cuts the tubular body through the grooves, so that the tubular bodies are cut to predetermined lengths. The tongues extend from the outer surface of the tubular body due to the natural spring constant of the steel or metal from which the tubular body is made. A welding ring is welded to the impact end and has a welding ring space.

ARP040103520A 2003-09-30 2004-09-28 FRICTION STABILIZER WITH TONGUES AR050222A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US50736603P 2003-09-30 2003-09-30

Publications (1)

Publication Number Publication Date
AR050222A1 true AR050222A1 (en) 2006-10-11

Family

ID=34375588

Family Applications (1)

Application Number Title Priority Date Filing Date
ARP040103520A AR050222A1 (en) 2003-09-30 2004-09-28 FRICTION STABILIZER WITH TONGUES

Country Status (7)

Country Link
US (2) US20050069388A1 (en)
AR (1) AR050222A1 (en)
AU (1) AU2004276393A1 (en)
CA (1) CA2483081A1 (en)
PE (1) PE20050646A1 (en)
WO (1) WO2005031117A1 (en)
ZA (1) ZA200602591B (en)

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US20060285929A1 (en) * 2005-06-16 2006-12-21 Valgora George G Bearing plate having tab
CA2605208A1 (en) * 2007-03-09 2008-09-09 Agnico-Eagle Mines Limited Bolt assembly
CN102135005B (en) * 2011-03-11 2012-07-25 中国矿业大学 Method for supporting roof of roadway under coal pillar and gob transition section
CN102900447B (en) * 2012-10-30 2015-12-02 中铁五局集团贵州工程有限公司 A kind of anchor pole reinforced for weak surrounding rock
CN104100282A (en) * 2014-06-17 2014-10-15 山西晋城无烟煤矿业集团有限责任公司 Method for driving anchor cables to maintain triangular area of roadways
US9863248B2 (en) * 2015-04-23 2018-01-09 Jason L. Moon Friction bolt
CN109184767B (en) * 2018-11-09 2020-07-28 石家庄铁道大学 Tension expansion type hollow grouting anchor rod structure

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Also Published As

Publication number Publication date
AU2004276393A1 (en) 2005-04-07
PE20050646A1 (en) 2005-08-25
US20050147474A1 (en) 2005-07-07
US20050069388A1 (en) 2005-03-31
ZA200602591B (en) 2007-09-26
WO2005031117A1 (en) 2005-04-07
CA2483081A1 (en) 2005-03-30

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Legal Events

Date Code Title Description
FA Abandonment or withdrawal