BE792652A - Indicateur de deformation et procede pour le mettre en oeuvre - Google Patents

Indicateur de deformation et procede pour le mettre en oeuvre

Info

Publication number
BE792652A
BE792652A BE792652DA BE792652A BE 792652 A BE792652 A BE 792652A BE 792652D A BE792652D A BE 792652DA BE 792652 A BE792652 A BE 792652A
Authority
BE
Belgium
Prior art keywords
implementing
deformation indicator
indicator
deformation
Prior art date
Application number
Other languages
English (en)
Inventor
J E Mosow
R C Johnson
Original Assignee
Modulus Corp
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.)
Publication date
Priority claimed from US00207260A external-priority patent/US3799108A/en
Priority claimed from US00310445A external-priority patent/US3850133A/en
Publication of BE792652A publication Critical patent/BE792652A/fr

Links

Classifications

    • 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
    • F16B31/025—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 gauge pin in a longitudinal bore in the body of the bolt
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/24—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for determining value of torque or twisting moment for tightening a nut or other member which is similarly stressed

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
BE792652D 1971-12-13 Indicateur de deformation et procede pour le mettre en oeuvre BE792652A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00207260A US3799108A (en) 1971-12-13 1971-12-13 Strain indicator and method
US00310445A US3850133A (en) 1972-11-29 1972-11-29 Strain indicator and method

Publications (1)

Publication Number Publication Date
BE792652A true BE792652A (fr) 1973-03-30

Family

ID=26902092

Family Applications (1)

Application Number Title Priority Date Filing Date
BE792652D BE792652A (fr) 1971-12-13 Indicateur de deformation et procede pour le mettre en oeuvre

Country Status (6)

Country Link
JP (1) JPS4866876A (fr)
BE (1) BE792652A (fr)
DE (1) DE2260657A1 (fr)
FR (1) FR2167015A5 (fr)
GB (1) GB1419523A (fr)
SE (1) SE384920B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5170075A (fr) * 1974-12-12 1976-06-17 Seiki Kogyo Kk
US4041776A (en) * 1976-03-22 1977-08-16 Modulus Corporation Strain indicator
JPH069345Y2 (ja) * 1986-09-29 1994-03-09 日東工器株式会社 クランプ装置
JPH069346Y2 (ja) * 1986-09-29 1994-03-09 日東工器株式会社 締結装置
JPS63135604A (ja) * 1986-11-27 1988-06-08 株式会社日本製鋼所 摩擦式クランプ装置
US20090206705A1 (en) * 2008-02-19 2009-08-20 Nies Jacob J Fasteners with welded ultrasonic stress transducers
JP6234104B2 (ja) * 2013-08-05 2017-11-22 株式会社ケー・エフ・シー トンネル用軸力表示機構、トンネル用軸力表示ボルト及びトンネル掘進方法
US10316881B2 (en) * 2014-07-30 2019-06-11 Integrity Engineering Solutions Pty Ltd Fasteners
CN108571504A (zh) * 2018-05-08 2018-09-25 上海威纳工程技术有限公司 精确预紧螺栓
CN114109994B (zh) * 2021-11-08 2022-09-16 奇瑞汽车股份有限公司 螺栓及紧固结构
JP7249702B1 (ja) * 2022-07-11 2023-03-31 芳隆 秋野 緩みセンサ付きボルトとその使用方法並びに緩み検出システム
CN119435545A (zh) * 2024-10-24 2025-02-14 武汉大学 一种显色观察防松警示螺丝

Also Published As

Publication number Publication date
SE384920B (sv) 1976-05-24
GB1419523A (en) 1975-12-31
DE2260657A1 (de) 1973-06-20
FR2167015A5 (fr) 1973-08-17
JPS4866876A (fr) 1973-09-13

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