PE5298A1 - Preconsolidacion de estemples de la mina - Google Patents

Preconsolidacion de estemples de la mina

Info

Publication number
PE5298A1
PE5298A1 PE1996000506A PE00050696A PE5298A1 PE 5298 A1 PE5298 A1 PE 5298A1 PE 1996000506 A PE1996000506 A PE 1996000506A PE 00050696 A PE00050696 A PE 00050696A PE 5298 A1 PE5298 A1 PE 5298A1
Authority
PE
Peru
Prior art keywords
tube
base
mine
pipe
cup
Prior art date
Application number
PE1996000506A
Other languages
English (en)
Inventor
Graham Heath Clarke
Original Assignee
Hl And H Timber Products Proprietary Ltd
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 Hl And H Timber Products Proprietary Ltd filed Critical Hl And H Timber Products Proprietary Ltd
Publication of PE5298A1 publication Critical patent/PE5298A1/es

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/30—Telescopic props with parts held relatively to each other by friction or gripping by means expanded or contracted by pressure applied through the medium of a fluid or quasi- fluid, e.g. rubber
    • E21D15/306—Telescopic props with parts held relatively to each other by friction or gripping by means expanded or contracted by pressure applied through the medium of a fluid or quasi- fluid, e.g. rubber by means of a liquid
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/51—Component parts or details of props specially adapted to hydraulic, pneumatic, or hydraulic-pneumatic props, e.g. arrangements of relief valves
    • E21D15/512—Arrangement of valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Check Valves (AREA)

Abstract

COMPRENDE: UN TUBO QUE INSERTO EN EL SE ENCUENTRA UN ELEMENTO EN FORMA DE COPA, QUE TIENE UNA BASE, Y UNA PARED LATERAL CILINDRICA FIJADA A LA PARED DEL TUBO, SIENDO AMBAS PAREDES DE LOS PRIMER Y SEGUNDO ELEMENTOS, DE LARGO DIFERENTE; UNA ENTRADA CON VALVULA DE PASO UNICA INCLUYE UNA CHARNELA GIRATORIA QUE CUMPLE UNA FUNCION DE NO-RETORNO, COMPUESTA POR UNA PORCION ROSCADA EXTERIORMENTE ATORNILLADA DENTRO DEL MANGUITO; PARA INTRODUCIR UN FLUIDO PRESURIZADO DENTRO DEL TUBO ENTRE LA BASE DEL ELEMENTO PERMANECIENDO NORMAL AL EJE DEL TUBO QUE SIRVE PARA IMPELER TELESCOPICAMENTE EL EMBOLO FUERA DEL TUBO, DONDE UN PRIMER EMBOLO EN FORMA DESLIZABLE DENTRO DEL TUBO, DE MODO DE PROPORCIONAR, EN EL ELEMENTO EN FORMA DE COPA, UNA DEFORMACION DE LA BASE, CON UNA SECCION REDONDA CILINDRICA Y UNA PORCION FRUSTOCONICA FUERA DEL TUBO Y UNA SALIENTE ENTRE LAS RESPECTIVAS PORCIONES. SE UTILIZA EN MINAS SUBTERRANEAS, DISPUESTOS HACIA ARRIBA ENTRE EL TECHO Y EL PISO DE UNA MINA EN SERVICIO
PE1996000506A 1995-07-05 1996-07-02 Preconsolidacion de estemples de la mina PE5298A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA955587 1995-07-05
ZA956489 1995-08-03

Publications (1)

Publication Number Publication Date
PE5298A1 true PE5298A1 (es) 1998-03-04

Family

ID=27142692

Family Applications (1)

Application Number Title Priority Date Filing Date
PE1996000506A PE5298A1 (es) 1995-07-05 1996-07-02 Preconsolidacion de estemples de la mina

Country Status (5)

Country Link
US (1) US5669739A (es)
CA (1) CA2168077A1 (es)
GB (1) GB2302913B (es)
PE (1) PE5298A1 (es)
PL (1) PL315107A1 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6034958A (en) * 1997-07-11 2000-03-07 Telefonaktiebolaget Lm Ericsson VP/VC lookup function
AU9043298A (en) * 1997-08-12 1999-03-01 Chengeta, Cuthbert A pre-stressing device for a mine prop
AU7886100A (en) * 1999-08-20 2001-03-19 Jan Hendrik Woller Yielding mine prop
US6910834B2 (en) * 2003-05-27 2005-06-28 Burrell Mining Products, Inc. Mine prop
US7232103B2 (en) * 2004-10-27 2007-06-19 Efficient Mining Systems Llc Load-bearing pressurized liquid column
ZA200800632B (en) * 2007-01-18 2008-12-31 Skarboevig Nils Mittet A versatile grout bag type of underground support
US8851805B2 (en) 2012-08-30 2014-10-07 Burrell Mining Products, Inc. Telescopic mine roof support
US9611738B2 (en) 2014-08-27 2017-04-04 Burrell Mining Products, Inc. Ventilated mine roof support
US9903203B2 (en) 2014-08-27 2018-02-27 Burrell Mining Products, Inc. Ventilated mine roof support
DK3242017T4 (da) * 2016-05-04 2023-12-18 Scanwill Fluid Power Aps Trykforstærker til iskruning

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1752101A (en) * 1926-12-22 1930-03-25 Meutsch Heinrich Mining prop
DE1975710U (de) * 1963-08-13 1967-12-28 Unis Fonds Sa Hydraulischer grubenstempel fuer dachgebirge.
US3799504A (en) * 1972-05-02 1974-03-26 J Vaughen Pneumatically operated lift device
US4167361A (en) * 1978-08-30 1979-09-11 Mine Safety Appliances Company Temporary mine roof prop
FR2456706A1 (fr) * 1979-05-16 1980-12-12 Daubie Jean Dispositif de levage
US5178367A (en) * 1990-07-23 1993-01-12 Vaughen Jack F Structure for an inflatable lift device
WO1995034743A1 (en) * 1994-06-13 1995-12-21 Contitech Luftfedersysteme Gmbh Mine prop

Also Published As

Publication number Publication date
GB2302913B (en) 1999-06-02
GB2302913A (en) 1997-02-05
US5669739A (en) 1997-09-23
PL315107A1 (en) 1997-01-06
CA2168077A1 (en) 1997-01-06
GB9601048D0 (en) 1996-03-20
AU5629896A (en) 1997-01-16
AU694357B2 (en) 1998-07-16

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Legal Events

Date Code Title Description
FG Grant, registration
FD Application declared void or lapsed