GB973864A - Improvements in extensometers,strain and like gauges - Google Patents
Improvements in extensometers,strain and like gaugesInfo
- Publication number
- GB973864A GB973864A GB2395461A GB2395461A GB973864A GB 973864 A GB973864 A GB 973864A GB 2395461 A GB2395461 A GB 2395461A GB 2395461 A GB2395461 A GB 2395461A GB 973864 A GB973864 A GB 973864A
- Authority
- GB
- United Kingdom
- Prior art keywords
- resistor
- rod
- cable
- measure
- strain
- Prior art date
- 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
Links
Classifications
-
- 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
- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
973, 864. Measuring strain electrically. A. M. HAMILTON. Oct, 2 1962 [July 3, 1961], No. 23954/61. Heading G1N. [Also in Division H1] A strain gauge resistor comprises a quantity of willow-wood charcoal which has been kept at red or white heat for several hours in a non- oxidising atmosphere, and then crushed. The carbon element so formed is supplied with metal strip or braid electrodes and enclosed in a flexible, hermetically sealed capsule of thin metal, or paper or resin-bonded glass fibre. The strain gauge is used to measure the tension in a rod 10 (Fig. 1) by locating the resistor 1 between two bowed strips 2, 3 clamped to the rod. Tension in a cable 14<SP>1</SP> (Fig. 5) is measured by locating the resistor 1 between a strip 2 and a rod 13<SP>1</SP> clamped to the cable at one end 16 but free to slide at the other end 17. The resistor 1 is compressed by the cable 141 via a saddle 18 attached to the rod 13<SP>1</SP>. A number of strain gauges may be used to measure the stress distribution round a mast. The resistor may be used as a load cell to measure the weight of a vehicle on a bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2395461A GB973864A (en) | 1961-07-03 | 1961-07-03 | Improvements in extensometers,strain and like gauges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2395461A GB973864A (en) | 1961-07-03 | 1961-07-03 | Improvements in extensometers,strain and like gauges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB973864A true GB973864A (en) | 1964-10-28 |
Family
ID=10204027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2395461A Expired GB973864A (en) | 1961-07-03 | 1961-07-03 | Improvements in extensometers,strain and like gauges |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB973864A (en) |
-
1961
- 1961-07-03 GB GB2395461A patent/GB973864A/en not_active Expired
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