BE615310A - Voltage indicating device - Google Patents

Voltage indicating device

Info

Publication number
BE615310A
BE615310A BE615310A BE615310A BE615310A BE 615310 A BE615310 A BE 615310A BE 615310 A BE615310 A BE 615310A BE 615310 A BE615310 A BE 615310A BE 615310 A BE615310 A BE 615310A
Authority
BE
Belgium
Prior art keywords
indicating device
voltage indicating
voltage
indicating
Prior art date
Application number
BE615310A
Other languages
French (fr)
Inventor
James Deans Cumming
Original Assignee
James Deans Cumming
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 James Deans Cumming filed Critical James Deans Cumming
Publication of BE615310A publication Critical patent/BE615310A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/30—Measuring arrangements characterised by the use of mechanical techniques for measuring the deformation in a solid, e.g. mechanical strain gauge
    • 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
    • E21D21/02—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection having means for indicating tension
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B13/00—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose
    • F16B13/04—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front
    • F16B13/06—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve
    • F16B13/063—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander
    • F16B13/066—Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose with parts gripping in the hole or behind the reverse side of the wall after inserting from the front combined with expanding sleeve by the use of an expander fastened by extracting a separate expander-part, actuated by the screw, nail or the like
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B31/00—Screwed connections specially modified in view of tensile load; Break-bolts
    • F16B31/02—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load
    • F16B31/028—Screwed connections specially modified in view of tensile load; Break-bolts for indicating the attainment of a particular tensile load or limiting tensile load with a load-indicating washer or washer assembly
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Soil Working Implements (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Lining And Supports For Tunnels (AREA)
BE615310A 1961-03-21 1962-03-20 Voltage indicating device BE615310A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US97235A US3133468A (en) 1961-03-21 1961-03-21 Tension indicating device

Publications (1)

Publication Number Publication Date
BE615310A true BE615310A (en) 1962-07-16

Family

ID=22262336

Family Applications (1)

Application Number Title Priority Date Filing Date
BE615310A BE615310A (en) 1961-03-21 1962-03-20 Voltage indicating device

Country Status (3)

Country Link
US (1) US3133468A (en)
BE (1) BE615310A (en)
GB (1) GB989364A (en)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3283566A (en) * 1964-01-29 1966-11-08 Dale H Fietz Material hardness tester
US3872719A (en) * 1973-10-24 1975-03-25 Us Interior Rock bolt tension load cell
US3987699A (en) * 1974-11-14 1976-10-26 Popenoe Charles H Opti-mechanical displacement microindicator
US4020734A (en) * 1975-11-26 1977-05-03 Star Expansion Industries Corporation Tension indicator for fastener means
US4047463A (en) * 1976-07-23 1977-09-13 Eaton Corporation Tension indicator
US4217849A (en) * 1978-12-21 1980-08-19 Brown Larry L Mine roof warning indicator
US4708559A (en) * 1986-07-08 1987-11-24 F. M. Locotos Co., Inc. Reinforcing washer for a mine roof bolt assembly
US5385433A (en) * 1993-05-14 1995-01-31 Jennmar Corporation Bearing plate
WO1995003477A1 (en) * 1993-07-26 1995-02-02 Bhp Engineering Pty. Ltd. A bearing plate assembly
AU696277B2 (en) * 1993-07-26 1998-09-03 Onesteel Manufacturing Pty Limited A bearing plate assembly
AUPM617094A0 (en) * 1994-06-09 1994-07-07 Industrial Rollformers Pty Limited Washer and support member for supporting a load
AUPN097795A0 (en) * 1995-02-09 1995-03-09 Industrial Rollformers Pty Limited A plate
US5769570A (en) * 1996-06-03 1998-06-23 Jennmar Corporation Cable tensioning dome plate
US6270290B1 (en) 1997-02-14 2001-08-07 Jennmar Corporation Tensionable cable bolt
US5919006A (en) * 1997-02-14 1999-07-06 Jennmar Corporation Tensionable cable bolt with mixing assembly
US6682268B2 (en) * 2000-09-01 2004-01-27 Earl Products, Inc. Method and apparatus for secondary roof support in an underground mine
FR2874256B1 (en) * 2004-08-13 2006-11-17 Freyssinet Internat Stup Soc P METHOD FOR MONITORING VOLTAGE LOSSES OF CABLES IN A PRECONTROLLED WORK
DE202006016695U1 (en) * 2006-10-31 2006-12-28 Fidan Betonbearbeitung Gmbh Disk nut for fastening together e.g. core drill components has cup-shaped base with axial bore, into which connector fits, washer fitting into base which has cup-shaped upper surface, in which curved lower surface on connector swivels
CN101688769B (en) * 2007-07-03 2012-08-29 G科德系统有限公司 Pre tension monitoring solution
AU2011236103A1 (en) 2011-03-17 2012-10-04 Gregory Earl Smith Mine roof bolt assembly
US10036251B2 (en) * 2012-02-22 2018-07-31 Fci Holdings Delaware, Inc. Fiberglass roof and rib plate
WO2015072831A1 (en) * 2013-11-15 2015-05-21 Aguilar Vera Oscar Octavio Mining plate with a square dome
WO2015072840A1 (en) * 2013-11-15 2015-05-21 Aguilar Vera Oscar Octavio Dome-type plate for a mining anchor
US10378576B2 (en) * 2014-06-27 2019-08-13 Hubbell Incorporated Torque indicating threaded mechanical fastening systems and methods
US10060809B1 (en) 2016-10-27 2018-08-28 Larry C. Hoffman Friction stabilizer pull tester and method
CN108489368B (en) * 2018-03-23 2020-11-06 四川农业大学 High-precision real-time monitoring and measuring device and method for tunnel surrounding rock deformation
JP7089941B2 (en) * 2018-05-22 2022-06-23 サンコーテクノ株式会社 Metal expansion anchor
EP3865718A1 (en) * 2020-02-12 2021-08-18 fischerwerke GmbH & Co. KG Fastening element and fastening assembly
CN112983540B (en) * 2021-03-16 2021-12-28 中国科学院武汉岩土力学研究所 Construction method and protection tool for tunnel deformation monitoring points
PL438538A1 (en) * 2021-07-20 2023-01-23 Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie Anchor housing load absorber

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1774695A (en) * 1927-08-22 1930-09-02 Edward C Baynes Pressure indicator for nuts or bolts
DE1005474B (en) * 1953-03-03 1957-04-04 Fritz Wacker Anchor removal, especially for mining
US2850937A (en) * 1955-04-28 1958-09-09 Eldon K Ralston Snap type bolt tension indicator
DE1085480B (en) * 1955-09-01 1960-07-21 Hans Ziller Predictable rock bolt and method of fastening it

Also Published As

Publication number Publication date
US3133468A (en) 1964-05-19
GB989364A (en) 1965-04-14

Similar Documents

Publication Publication Date Title
BE615310A (en) Voltage indicating device
CH419359A (en) Electro-optical indicator device
FR1334616A (en) Dispersion device
FR1308937A (en) Detector-converter device
FR1280212A (en) Printing device
BE601518A (en) Winding device
FR1288209A (en) Letter-tracking device
FR1286526A (en) Dynamometric device
FR1324936A (en) Clarification device
FR1291387A (en) Anti-snorer device
FR1338714A (en) Voltage stabilizer device
BE595758A (en) Positioning device
FR1300288A (en) Pyromagnetic device
FR1249509A (en) Voltage limiter device
FR1302729A (en) Voltage stabilizer device
FR87287E (en) Tube-angle connection device
FR1319590A (en) Stabilized voltage generator device
BE613874Q (en) Fixing device
FR1293624A (en) Retro-braking device
FR1266529A (en) Device
FR1227128A (en) Peak voltage indicating device
FR1370036A (en) Voltage generator device
FR1256655A (en) Voltage comparator device
FR1302720A (en) Self-injectable device
FR1301530A (en) Advertising device