Device to measure axial displacement in a borehole

申请公布号：US7347003(B2)

申请号：US20070787177

申请日期：2007.04.13

申请公布日期：2008.03.25

申请人：

CLEMSON UNIVERSITY

发明人：MURDOCH LAWRENCE CORLIES;SCHWEISINGER TODD ALAN;HUEY, JR. CECIL O.

分类号：G01B5/30

主分类号：G01B5/30

摘要：A device to measure minute displacement in rocks, including anchor deployment means, anchor registration means, and frame release means. Further including anchor units comprising a fixed anchor point, a reversible anchor actuator and a deployable anchor face capable of being deployed with a force of up to 2000 lbs.

FINE STRUCTURE ANALYSIS METHOD OF POROUS BODY, PROGRAM AND FINE STRUCTURE ANALYZER THEREOF

THERMAL INSULATION FIBER FILLER

COIL FOR ROTARY ELECTRIC MACHINE, MANUFACTURING METHOD OF COIL FOR ROTARY ELECTRIC MACHINE, AND ROTARY ELECTRIC MACHINE

MAIN SUBJECT DETECTION METHOD, MAIN SUBJECT DETECTION DEVICE AND PROGRAM

SEPARATOR FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND MANUFACTURING METHOD FOR THE SAME

PHOTOELECTRIC CONVERSION CONNECTOR AND METHOD OF MANUFACTURING THE SAME

X-RAY COMPUTER TOMOGRAPHY APPARATUS AND MEDICAL IMAGE PROCESSING SYSTEM

COMMUNICATION SYSTEM, ELECTRONIC TIMEKEEPER, AND COMMUNICATION DEVICE

PRODUCTION OF FLEXIBLE METAL CLAD LAMINATE

HEAT SINK

DRAIN DITCH STRUCTURE AND GRATING USED IN THE SAME

METHOD AND SYSTEM FOR X-RAYS SCANNING

GAME MACHINE

SURFACE TREATMENT METHOD FOR BIAXIALLY STRETCHED POLYESTER FILM

SLICE MODEL GENERATION APPARATUS AND THREE-DIMENSIONAL MOLDING SYSTEM

GAME MACHINE

GAME MACHINE

ELECTRIC DISCHARGE NOZZLE USED FOR ELECTROSPRAY IONIZATION METHOD

INVERTER DEVICE, AND MOTOR CONTROLLER WITH INVERTER DEVICE

METHOD FOR TRANSMITTING FIELD BUS COMMUNICATION AND ELECTRIC POWER FROM PORTABLE MAINTENANCE TOOL USING MONOPOLAR SET IN DANGEROUS AREA, ELECTRICAL CONNECTOR ASSEMBLY, PORTABLE DEVICE ASSEMBLY AND DOUBLE ELECTRODE PLUG