BE615310A - Dispositif indicateur de tension - Google Patents

Dispositif indicateur de tension

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
English (en)
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/fr

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)
  • Spinning Or Twisting Of Yarns (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Soil Working Implements (AREA)
  • Lining And Supports For Tunnels (AREA)
BE615310A 1961-03-21 1962-03-20 Dispositif indicateur de tension BE615310A (fr)

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 (fr) 1962-07-16

Family

ID=22262336

Family Applications (1)

Application Number Title Priority Date Filing Date
BE615310A BE615310A (fr) 1961-03-21 1962-03-20 Dispositif indicateur de tension

Country Status (3)

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

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
CA2168111A1 (fr) * 1993-07-26 1995-02-02 Peter Andrew Gray Plaque d'appui
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 (fr) * 2004-08-13 2006-11-17 Freyssinet Internat Stup Soc P Procede pour suivre les pertes de tension des cables dans un ouvrage precontraint
DE202006016695U1 (de) * 2006-10-31 2006-12-28 Fidan Betonbearbeitung Gmbh Tellermutter
CN101688769B (zh) * 2007-07-03 2012-08-29 G科德系统有限公司 预拉伸监测方法
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
WO2015072840A1 (fr) * 2013-11-15 2015-05-21 Aguilar Vera Oscar Octavio Plaque de type dôme pour ancrage minier
WO2015072831A1 (fr) * 2013-11-15 2015-05-21 Aguilar Vera Oscar Octavio Plaque minière à dôme carré
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 (zh) * 2018-03-23 2020-11-06 四川农业大学 一种隧道围岩变形高精度实时监控量测装置及方法
JP7089941B2 (ja) * 2018-05-22 2022-06-23 サンコーテクノ株式会社 金属拡張アンカー
EP3865718A1 (fr) * 2020-02-12 2021-08-18 fischerwerke GmbH & Co. KG Élément de fixation et agencement de fixation
CN112983540B (zh) * 2021-03-16 2021-12-28 中国科学院武汉岩土力学研究所 一种隧道变形监测点的施工方法及保护工装
PL438538A1 (pl) * 2021-07-20 2023-01-23 Akademia Górniczo-Hutnicza im. Stanisława Staszica w Krakowie Absorber obciążenia obudowy kotwowej

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 (de) * 1953-03-03 1957-04-04 Fritz Wacker Ankerausbau, insbesondere fuer den Bergbau
US2850937A (en) * 1955-04-28 1958-09-09 Eldon K Ralston Snap type bolt tension indicator
DE1085480B (de) * 1955-09-01 1960-07-21 Hans Ziller Raubbarer Gesteinsanker und Verfahren zu seiner Befestigung

Also Published As

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

Similar Documents

Publication Publication Date Title
BE615310A (fr) Dispositif indicateur de tension
CH419359A (de) Elektrooptische Indikatorvorrichtung
FR1334616A (fr) Dispositif de dispersion
FR1308937A (fr) Dispositif détecteur-convertisseur
FR1280212A (fr) Dispositif imprimeur
BE601518A (fr) Dispositif de bobinage
FR1288209A (fr) Dispositif trace-lettres
FR1286526A (fr) Dispositif dynamométrique
FR1324936A (fr) Dispositif de clarification
FR1291387A (fr) Dispositif anti-ronfleur
FR1338714A (fr) Dispositif stabilisateur de tension
BE595758A (fr) Dispositif de positionnement
FR1300288A (fr) Dispositif pyromagnétique
FR1249509A (fr) Dispositif limiteur de tension
FR1302729A (fr) Dispositif stabilisateur de tension
FR87287E (fr) Dispositif de raccordement tube-cornière
FR1319590A (fr) Dispositif générateur de tensions stabilisées
BE613874Q (fr) Dispositif de fichage de fixateurs
FR1293624A (fr) Dispositif de rétro-freinage
FR1266529A (fr) Dispositif de
FR1227128A (fr) Dispositif indicateur de tension de crête
FR1370036A (fr) Dispositif générateur de tension
FR1256655A (fr) Dispositif comparateur de tensions
FR1302720A (fr) Dispositif auto-injectable
FR1301530A (fr) Dispositif publicitaire