BE668676A - - Google Patents

Info

Publication number
BE668676A
BE668676A BE668676DA BE668676A BE 668676 A BE668676 A BE 668676A BE 668676D A BE668676D A BE 668676DA BE 668676 A BE668676 A BE 668676A
Authority
BE
Belgium
Application number
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
Priority claimed from US375515A external-priority patent/US3314283A/en
Priority claimed from US451103A external-priority patent/US3326034A/en
Application filed filed Critical
Publication of BE668676A publication Critical patent/BE668676A/xx

Links

Classifications

    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07CTIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C3/00Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
    • G07C3/14Quality control systems
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00Measuring 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
    • G01L9/0041Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0072Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/32Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
    • G01M3/3236Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
    • G01M3/3263Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers using a differential pressure detector
BE668676D 1964-06-16 1965-08-23 BE668676A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US375515A US3314283A (en) 1964-06-16 1964-06-16 Leak testing method and apparatus
US42474165A 1965-01-11 1965-01-11
US451103A US3326034A (en) 1965-04-23 1965-04-23 Leak testing apparatus

Publications (1)

Publication Number Publication Date
BE668676A true BE668676A (en) 1966-02-23

Family

ID=27409253

Family Applications (2)

Application Number Title Priority Date Filing Date
BE663745D BE663745A (en) 1964-06-16 1965-05-11
BE668676D BE668676A (en) 1964-06-16 1965-08-23

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BE663745D BE663745A (en) 1964-06-16 1965-05-11

Country Status (6)

Country Link
BE (2) BE663745A (en)
CH (1) CH454491A (en)
DE (2) DE1473670B2 (en)
FR (2) FR1442575A (en)
GB (2) GB1082736A (en)
SE (2) SE317824B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1047349B (en) * 1975-10-07 1980-09-10 Gastaldo R PROCEDURE AND AUTOMATIC DEVICE FOR SEALING CAVITY TEST

Also Published As

Publication number Publication date
DE1473670A1 (en) 1969-03-13
SE318129B (en) 1969-12-01
FR88691E (en) 1967-03-10
FR1442575A (en) 1966-06-17
DE1473670B2 (en) 1971-05-13
BE663745A (en) 1965-11-12
DE1473673A1 (en) 1969-11-20
GB1082736A (en) 1967-09-13
GB1121151A (en) 1968-07-24
SE317824B (en) 1969-11-24
CH454491A (en) 1968-04-15

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