SE384920B - Tojningsindikator och sett att tillverka densamma - Google Patents

Tojningsindikator och sett att tillverka densamma

Info

Publication number
SE384920B
SE384920B SE1616972A SE1616972A SE384920B SE 384920 B SE384920 B SE 384920B SE 1616972 A SE1616972 A SE 1616972A SE 1616972 A SE1616972 A SE 1616972A SE 384920 B SE384920 B SE 384920B
Authority
SE
Sweden
Prior art keywords
manufacture
way
same
strike indicator
strike
Prior art date
Application number
SE1616972A
Other languages
English (en)
Swedish (sv)
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.)
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
Publication of SE384920B publication Critical patent/SE384920B/xx

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)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Illuminated Signs And Luminous Advertising (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
SE1616972A 1971-12-13 1972-12-12 Tojningsindikator och sett att tillverka densamma SE384920B (sv)

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
SE384920B true SE384920B (sv) 1976-05-24

Family

ID=26902092

Family Applications (1)

Application Number Title Priority Date Filing Date
SE1616972A SE384920B (sv) 1971-12-13 1972-12-12 Tojningsindikator och sett att tillverka densamma

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
GB1419523A (en) 1975-12-31
JPS4866876A (fr) 1973-09-13
FR2167015A5 (fr) 1973-08-17
DE2260657A1 (de) 1973-06-20
BE792652A (fr) 1973-03-30

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