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1. WO2010007595 - MONITORING OF CONVERGENCE OF EVACUATION SURFACES

Publication Number WO/2010/007595
Publication Date 21.01.2010
International Application No. PCT/IB2009/053114
International Filing Date 17.07.2009
IPC
G01B 5/30 2006.01
GPHYSICS
01MEASURING; TESTING
BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
5Measuring arrangements characterised by the use of mechanical means
30for measuring the deformation in a solid, e.g. mechanical strain gauge
E21F 17/00 2006.01
EFIXED CONSTRUCTIONS
21EARTH OR ROCK DRILLING; MINING
FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS
17Methods or devices for use in mines or tunnels, not covered elsewhere
G01C 15/00 2006.01
GPHYSICS
01MEASURING; TESTING
CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
15Surveying instruments or accessories not provided for in groups G01C1/-G01C13/116
CPC
E21F 17/185
EFIXED CONSTRUCTIONS
21EARTH DRILLING; MINING
FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
17Methods or devices for use in mines or tunnels, not covered elsewhere
18Special adaptations of signalling or alarm devices
185Rock-pressure control devices with or without alarm devices; Alarm devices in case of roof subsidence
Applicants
  • CSIR [ZA]/[ZA] (AllExceptUS)
  • BILGERI, Reinhard Josef [ZA]/[ZA] (UsOnly)
Inventors
  • BILGERI, Reinhard Josef
Agents
  • VAN WYK, Wessel Johannes
Priority Data
2008/0625218.07.2008ZA
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) MONITORING OF CONVERGENCE OF EVACUATION SURFACES
(FR) SUIVI EN CONTINU DE LA CONVERGENCE DE SURFACES D’ÉVACUATION
Abstract
(EN)
A convergence meter [10] which includes a body [124] having attachment means for attaching to a first reference point, a measurement element [18] being extendible from the body of the convergence meter to a second reference point [128], electronic measurement means, operable to measure movement of the measurement element attached to the second reference point relative to the body of the convergence meter attached to the first reference point, and a wireless transceiver operable to transmit measurements taken by the electronic measurement means to a remote receiver and to receive commands from a remote controller.
(FR)
Appareil de mesure de convergence, comportant : un corps présentant des moyens de fixation permettant de le fixer à un premier point de référence; un élément de mesure extensible, en service, du corps de l’appareil de mesure de convergence à un second point de référence; des moyens de mesure électroniques, servant à mesurer le mouvement de l’élément de mesure, fixés au second point de référence par rapport au corps de l’appareil de mesure de convergence fixé au premier point de référence; un émetteur-récepteur sans fil servant à transmettre à un récepteur distant des mesures effectuées par les moyens de mesure et à recevoir des commandes provenant d’une unité de commande à distance.
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