ZA715052B - Opti-mechanical stress-strain indicator - Google Patents
Opti-mechanical stress-strain indicatorInfo
- 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
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)
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)
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)
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 |
-
1970
- 1970-08-06 US US61764A patent/US3602186A/en not_active Expired - Lifetime
-
1971
- 1971-07-29 ZA ZA715052A patent/ZA715052B/xx unknown
- 1971-08-02 AU AU31902/71A patent/AU449200B2/en not_active Expired
- 1971-08-03 IL IL37434A patent/IL37434A/xx unknown
- 1971-08-03 CA CA119685A patent/CA930619A/en not_active Expired
- 1971-08-04 SE SE09995/71A patent/SE361090B/xx unknown
- 1971-08-05 FR FR7128821A patent/FR2104032A5/fr not_active Expired
- 1971-08-05 ES ES1971196704U patent/ES196704Y/es not_active Expired
- 1971-08-05 JP JP46059362A patent/JPS5113672B1/ja active Pending
- 1971-08-05 DE DE2139302A patent/DE2139302C3/de not_active Expired
- 1971-08-05 GB GB3676571A patent/GB1316899A/en not_active Expired
- 1971-08-05 BR BR5034/71A patent/BR7105034D0/pt unknown
- 1971-08-06 BE BE771045A patent/BE771045A/xx unknown
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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