CH600322A5 - - Google Patents
Info
- Publication number
- CH600322A5 CH600322A5 CH1449274A CH1449274A CH600322A5 CH 600322 A5 CH600322 A5 CH 600322A5 CH 1449274 A CH1449274 A CH 1449274A CH 1449274 A CH1449274 A CH 1449274A CH 600322 A5 CH600322 A5 CH 600322A5
- Authority
- CH
- Switzerland
Links
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/40—Investigating fluid-tightness of structures by using electric means, e.g. by observing electric discharges
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L21/00—Vacuum gauges
- G01L21/16—Vacuum gauges by measuring variation of frictional resistance of gases
- G01L21/22—Vacuum gauges by measuring variation of frictional resistance of gases using resonance effects of a vibrating body; Vacuum gauges of the Klumb type
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
- G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
- G01L9/0016—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a diaphragm
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Examining Or Testing Airtightness (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT3091273A IT1001624B (it) | 1973-11-05 | 1973-11-05 | Procedimento e dispositivo per la rilevazione del grado di vuoto in contenitori di prodotti come ad esempio prodotti alimentari |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH600322A5 true CH600322A5 (it) | 1978-06-15 |
Family
ID=11232762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1449274A CH600322A5 (it) | 1973-11-05 | 1974-10-29 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS5140181A (it) |
| CH (1) | CH600322A5 (it) |
| DE (1) | DE2452059A1 (it) |
| FR (1) | FR2250106B3 (it) |
| GB (1) | GB1459825A (it) |
| IT (1) | IT1001624B (it) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2192059B (en) * | 1986-06-26 | 1990-08-22 | Electricity Council | Method of and apparatus for determining characteristics of a fluid |
| CN103230880B (zh) * | 2013-03-28 | 2015-04-08 | 广州坚诺机械设备有限公司 | 一种容器真空度快速无损检测设备及检测方法 |
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1973
- 1973-11-05 IT IT3091273A patent/IT1001624B/it active
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1974
- 1974-10-28 JP JP12479774A patent/JPS5140181A/ja active Pending
- 1974-10-29 CH CH1449274A patent/CH600322A5/xx not_active IP Right Cessation
- 1974-11-02 DE DE19742452059 patent/DE2452059A1/de not_active Withdrawn
- 1974-11-04 GB GB4757974A patent/GB1459825A/en not_active Expired
- 1974-11-04 FR FR7440348A patent/FR2250106B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1001624B (it) | 1976-04-30 |
| DE2452059A1 (de) | 1975-05-07 |
| GB1459825A (en) | 1976-12-31 |
| JPS5140181A (ja) | 1976-04-03 |
| FR2250106A1 (it) | 1975-05-30 |
| FR2250106B3 (it) | 1977-09-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |