FR2250106A1 - - Google Patents

Info

Publication number
FR2250106A1
FR2250106A1 FR7440348A FR7440348A FR2250106A1 FR 2250106 A1 FR2250106 A1 FR 2250106A1 FR 7440348 A FR7440348 A FR 7440348A FR 7440348 A FR7440348 A FR 7440348A FR 2250106 A1 FR2250106 A1 FR 2250106A1
Authority
FR
France
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.)
Granted
Application number
FR7440348A
Other languages
French (fr)
Other versions
FR2250106B3 (it
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
PLASMON SpA
Original Assignee
PLASMON SpA
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 PLASMON SpA filed Critical PLASMON SpA
Publication of FR2250106A1 publication Critical patent/FR2250106A1/fr
Application granted granted Critical
Publication of FR2250106B3 publication Critical patent/FR2250106B3/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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)
FR7440348A 1973-11-05 1974-11-04 Expired FR2250106B3 (it)

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 (2)

Publication Number Publication Date
FR2250106A1 true FR2250106A1 (it) 1975-05-30
FR2250106B3 FR2250106B3 (it) 1977-09-02

Family

ID=11232762

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7440348A Expired FR2250106B3 (it) 1973-11-05 1974-11-04

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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
JPS5140181A (ja) 1976-04-03
GB1459825A (en) 1976-12-31
IT1001624B (it) 1976-04-30
DE2452059A1 (de) 1975-05-07
FR2250106B3 (it) 1977-09-02
CH600322A5 (it) 1978-06-15

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