FR2167015A5 - - Google Patents

Info

Publication number
FR2167015A5
FR2167015A5 FR7244210A FR7244210A FR2167015A5 FR 2167015 A5 FR2167015 A5 FR 2167015A5 FR 7244210 A FR7244210 A FR 7244210A FR 7244210 A FR7244210 A FR 7244210A FR 2167015 A5 FR2167015 A5 FR 2167015A5
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7244210A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MODULUS CORP
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.)
Filing date
Publication date
Priority claimed from US00207260A external-priority patent/US3799108A/en
Priority claimed from US00310445A external-priority patent/US3850133A/en
Application filed by MODULUS CORP filed Critical MODULUS CORP
Application granted granted Critical
Publication of FR2167015A5 publication Critical patent/FR2167015A5/fr
Expired legal-status Critical Current

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
FR7244210A 1971-12-13 1972-12-12 Expired FR2167015A5 (en)

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
FR2167015A5 true FR2167015A5 (en) 1973-08-17

Family

ID=26902092

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7244210A Expired FR2167015A5 (en) 1971-12-13 1972-12-12

Country Status (6)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2345712A1 (en) * 1976-03-22 1977-10-21 Modulus Corp STRESS INDICATOR
EP2093010A3 (en) * 2008-02-19 2011-04-27 General Electric Company Fasteners With Welded Ultrasonic Stress Transducers

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5170075A (en) * 1974-12-12 1976-06-17 Seiki Kogyo Kk KOSHIKAKESHIKITEEBURUKOTATSUSOCHI
JPH069345Y2 (en) * 1986-09-29 1994-03-09 日東工器株式会社 Clamp device
JPH069346Y2 (en) * 1986-09-29 1994-03-09 日東工器株式会社 Fastening device
JPS63135604A (en) * 1986-11-27 1988-06-08 株式会社日本製鋼所 Friction type clamping device
JP6234104B2 (en) * 2013-08-05 2017-11-22 株式会社ケー・エフ・シー Tunnel axial force display mechanism, tunnel axial force display bolt, and tunnel excavation method
US10316881B2 (en) * 2014-07-30 2019-06-11 Integrity Engineering Solutions Pty Ltd Fasteners
CN108571504A (en) * 2018-05-08 2018-09-25 上海威纳工程技术有限公司 Accurate pretension bolt
CN114109994B (en) * 2021-11-08 2022-09-16 奇瑞汽车股份有限公司 Bolt and fastening structure
JP7249702B1 (en) * 2022-07-11 2023-03-31 芳隆 秋野 Bolt with looseness sensor, its usage and looseness detection system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2345712A1 (en) * 1976-03-22 1977-10-21 Modulus Corp STRESS INDICATOR
EP2093010A3 (en) * 2008-02-19 2011-04-27 General Electric Company Fasteners With Welded Ultrasonic Stress Transducers

Also Published As

Publication number Publication date
DE2260657A1 (en) 1973-06-20
JPS4866876A (en) 1973-09-13
SE384920B (en) 1976-05-24
GB1419523A (en) 1975-12-31
BE792652A (en) 1973-03-30

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Legal Events

Date Code Title Description
ST Notification of lapse