ZA715052B - Opti-mechanical stress-strain indicator - Google Patents

Opti-mechanical stress-strain indicator

Info

Publication number
ZA715052B
ZA715052B ZA715052A ZA715052A ZA715052B ZA 715052 B ZA715052 B ZA 715052B ZA 715052 A ZA715052 A ZA 715052A ZA 715052 A ZA715052 A ZA 715052A ZA 715052 B ZA715052 B ZA 715052B
Authority
ZA
South Africa
Prior art keywords
opti
mechanical stress
strain indicator
strain
indicator
Prior art date
Application number
ZA715052A
Other languages
English (en)
Inventor
C Popenoe
Original Assignee
Gyrfalcon Inc
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 Gyrfalcon Inc filed Critical Gyrfalcon Inc
Publication of ZA715052B publication Critical patent/ZA715052B/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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S116/00—Signals and indicators
    • Y10S116/34—Tension indicating

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)
  • Measuring Fluid Pressure (AREA)
ZA715052A 1970-08-06 1971-07-29 Opti-mechanical stress-strain indicator ZA715052B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US6176470A 1970-08-06 1970-08-06

Publications (1)

Publication Number Publication Date
ZA715052B true ZA715052B (en) 1972-09-27

Family

ID=22037971

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA715052A ZA715052B (en) 1970-08-06 1971-07-29 Opti-mechanical stress-strain indicator

Country Status (13)

Country Link
US (1) US3602186A (xx)
JP (1) JPS5113672B1 (xx)
AU (1) AU449200B2 (xx)
BE (1) BE771045A (xx)
BR (1) BR7105034D0 (xx)
CA (1) CA930619A (xx)
DE (1) DE2139302C3 (xx)
ES (1) ES196704Y (xx)
FR (1) FR2104032A5 (xx)
GB (1) GB1316899A (xx)
IL (1) IL37434A (xx)
SE (1) SE361090B (xx)
ZA (1) ZA715052B (xx)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3718066A (en) * 1970-12-28 1973-02-27 Iit Res Inst Tension indicating fastener
US3954004A (en) * 1971-05-07 1976-05-04 Harry Orner Self-contained stress indicator mechanism
US3799108A (en) * 1971-12-13 1974-03-26 Modulus Corp Strain indicator and method
US3850133A (en) * 1972-11-29 1974-11-26 Modulus Corp Strain indicator and method
US3812758A (en) * 1972-10-24 1974-05-28 Kaman Aerospace Corp Bolt head which measures and maintains preload
US3823639A (en) * 1972-11-24 1974-07-16 Iit Res Inst Tension indicating fastener
US4002139A (en) * 1974-08-05 1977-01-11 Payne William J Strain indicator
US3943819A (en) * 1974-08-22 1976-03-16 Charron Charles S Tensile member with tension indicating means
US3908508A (en) * 1974-09-23 1975-09-30 Modulus Corp Strain indicator
US3991833A (en) * 1974-11-20 1976-11-16 Ruppert Robert W Pile hammer cushion apparatus
US4048684A (en) * 1975-12-10 1977-09-20 The Board Of Trustees Of Leland Stanford Junior University Infant waterbed
US4041776A (en) * 1976-03-22 1977-08-16 Modulus Corporation Strain indicator
US4073212A (en) * 1976-10-15 1978-02-14 Wej-It Corporation Anchor bolt with visual engagement indicator
US4091763A (en) * 1977-01-05 1978-05-30 Therm-O-Disc Incorporated Temperature indicator
JPS58117462A (ja) * 1981-12-29 1983-07-13 Takamatsu Electric Works Ltd 過電流通過表示装置における過電流検出回路
US4676109A (en) * 1984-11-13 1987-06-30 Sps Technologies Load indicating member, apparatus and method
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
US5088867A (en) * 1990-11-26 1992-02-18 Mun Kam C Fasteners that bleed fluid upon failure
JPH074417A (ja) * 1993-06-14 1995-01-10 Ishino Corp:Kk 緩み止め付きボルト
US5388563A (en) * 1993-10-04 1995-02-14 Micro Inventions Technology Inc. Indexed scale fastener with damping means for use in conjunction with an archery bow
US5411008A (en) * 1993-12-29 1995-05-02 Micro Inventions Technology Inc. Indexed limb bolt assembly for a recurve bow
US5384930A (en) * 1994-03-10 1995-01-31 Uno; Thomas A. Push brooms with flexible couplings in the handles
GB2353864A (en) * 1999-09-06 2001-03-07 Secr Defence Pressure indicator
US6370811B1 (en) * 2000-07-31 2002-04-16 Michael J. Masterson Apparatus and method for monitoring termite activity
US20060263166A1 (en) * 2005-05-18 2006-11-23 Honeywell International Inc. Devices and methods for monitoring fastener tension
US7958614B2 (en) * 2007-10-09 2011-06-14 Popenoe Charles H Method of making a fastening device for visually indicating tension
US7994901B2 (en) * 2008-02-18 2011-08-09 Tag Blue L.L.C. Lug stud and lug nut monitoring system, method, and components therefor
US8087860B1 (en) 2008-06-06 2012-01-03 T & N Products, LLC Self-indicating lug nut
TWI518253B (zh) * 2013-03-12 2016-01-21 Kabo Tool Co Can feel the tension of the screw pieces
US10450174B1 (en) 2014-10-07 2019-10-22 Jergens, Inc. Hoisting device and bolt for use therewith, method of making and using the same
SE540526C2 (en) * 2016-08-08 2018-09-25 Strain Labs Ab An intelligent bolt, a method of using an intelligent bolt and a sensor arrangement for the intelligent bolt
US10054468B2 (en) 2016-08-15 2018-08-21 Stress Indicators, Inc. Chromaulic displacement transducer, method of manufacturing a chromaulic displacement transducer, and closed loop control system incorporating the same
CA2945764A1 (en) * 2016-10-19 2018-04-19 Hess, Markus J. A load monitoring system, method and components that provides indication when load are outside of desired levels
US11769042B2 (en) 2018-02-08 2023-09-26 Western Digital Technologies, Inc. Reconfigurable systolic neural network engine
US11741346B2 (en) 2018-02-08 2023-08-29 Western Digital Technologies, Inc. Systolic neural network engine with crossover connection optimization
CN110857714A (zh) * 2018-08-22 2020-03-03 鸿富锦精密工业(武汉)有限公司 预紧力可视化的紧固组件及具有该紧固组件的散热器
US10929058B2 (en) 2019-03-25 2021-02-23 Western Digital Technologies, Inc. Enhanced memory device architecture for machine learning
US11783176B2 (en) 2019-03-25 2023-10-10 Western Digital Technologies, Inc. Enhanced storage device memory architecture for machine learning
CN110126680A (zh) * 2019-04-30 2019-08-16 扬州市金诺尔不锈钢有限公司 一种高速铁路接触网紧固件
AT521975B1 (de) * 2019-05-13 2020-07-15 Revotec Zt Gmbh Mechanisches Verbindungsbauteil mit Druckindikator
US11946500B2 (en) 2019-08-07 2024-04-02 Loose Wheel Sensors Inc. Compression contact to monitor fastener elongation and grip force
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

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2600029A (en) * 1946-11-12 1952-06-10 Gerotor May Corp Stress indicating bolt or stud
US2747454A (en) * 1952-01-18 1956-05-29 Charles F Bowersett Bolt with frangible, ejectable tension indicating means
NL109744C (xx) * 1960-05-26
US3137268A (en) * 1962-05-23 1964-06-16 Clive H Bramson Warning device
US3248923A (en) * 1962-12-26 1966-05-03 Richard H Blakeley Method of calibrating tension indicating bolt
US3220375A (en) * 1963-03-28 1965-11-30 Eaton Mfg Co Lubrication indicator
US3224316A (en) * 1963-09-06 1965-12-21 Detroit Testing Lab Inc Stress indicating mechanical fastening device

Also Published As

Publication number Publication date
IL37434A0 (en) 1971-11-29
DE2139302A1 (de) 1972-02-10
DE2139302B2 (de) 1977-04-21
AU449200B2 (en) 1974-06-06
GB1316899A (en) 1973-05-16
BE771045A (fr) 1971-12-16
ES196704U (es) 1975-03-16
US3602186A (en) 1971-08-31
BR7105034D0 (pt) 1973-03-29
SE361090B (xx) 1973-10-15
CA930619A (en) 1973-07-24
AU3190271A (en) 1973-02-08
ES196704Y (es) 1975-08-01
DE2139302C3 (de) 1978-10-26
FR2104032A5 (xx) 1972-04-14
IL37434A (en) 1974-01-14
JPS5113672B1 (xx) 1976-05-01

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