ZA953606B - Method and apparatus for determining the internal pressure of a sealed container - Google Patents

Method and apparatus for determining the internal pressure of a sealed container

Info

Publication number
ZA953606B
ZA953606B ZA953606A ZA953606A ZA953606B ZA 953606 B ZA953606 B ZA 953606B ZA 953606 A ZA953606 A ZA 953606A ZA 953606 A ZA953606 A ZA 953606A ZA 953606 B ZA953606 B ZA 953606B
Authority
ZA
South Africa
Prior art keywords
determining
internal pressure
sealed container
sealed
container
Prior art date
Application number
ZA953606A
Other languages
English (en)
Inventor
Peter Van Manen
Original Assignee
African Oxygen Ltd
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 African Oxygen Ltd filed Critical African Oxygen Ltd
Publication of ZA953606B publication Critical patent/ZA953606B/xx

Links

Classifications

    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measuring Fluid Pressure (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
ZA953606A 1994-05-04 1995-05-04 Method and apparatus for determining the internal pressure of a sealed container ZA953606B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9408821A GB9408821D0 (en) 1994-05-04 1994-05-04 Method and apparatus for determining the internal pressure of a sealed container

Publications (1)

Publication Number Publication Date
ZA953606B true ZA953606B (en) 1996-01-03

Family

ID=10754531

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA953606A ZA953606B (en) 1994-05-04 1995-05-04 Method and apparatus for determining the internal pressure of a sealed container

Country Status (11)

Country Link
US (1) US5585567A (xx)
EP (1) EP0681168B1 (xx)
CN (1) CN1116299A (xx)
CA (1) CA2148052A1 (xx)
CZ (1) CZ103795A3 (xx)
DE (1) DE69513222D1 (xx)
GB (1) GB9408821D0 (xx)
HU (1) HUH3855A (xx)
ID (1) ID19058A (xx)
PL (1) PL178308B1 (xx)
ZA (1) ZA953606B (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5869747A (en) * 1996-05-22 1999-02-09 William H. Hulsman Food container internal pressure analysis
DE19646685A1 (de) * 1996-11-12 1998-05-14 Heuft Systemtechnik Gmbh Verfahren zur Bestimmung von Parametern, z. B. Füllstand, Druck, Gaszusammensetzung in verschlossenen Behältern
US6026686A (en) * 1997-03-19 2000-02-22 Fujitsu Limited Article inspection apparatus
AU1511800A (en) * 1998-12-11 2000-07-03 Sonvert Ltd. An apparatus for measuring internal pressure and method therefor
US6301973B1 (en) 1999-04-30 2001-10-16 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Non-intrusive pressure/multipurpose sensor and method
US6339960B1 (en) 2000-10-30 2002-01-22 Mississippi State University Non-intrusive pressure and level sensor for sealed containers
GB2403338B (en) * 2003-06-24 2005-11-23 Aicom Ltd Resonance and/or vibration measurement device
DE10353081B3 (de) * 2003-11-13 2005-09-01 IST Ingenieurdienst für sichere Technik GmbH Verfahren zur Erfassung von Veränderungen oder Schädigungen an Druckbehältern während oder nach ihrer Druckprüfung
US20070251325A1 (en) * 2006-04-26 2007-11-01 Joseph King Impulse Response Pressure Transducer
CN102338682A (zh) * 2011-08-30 2012-02-01 山东明佳包装检测科技有限公司 一种在线检测密封容器内压力的方法
US20160030815A1 (en) * 2011-09-19 2016-02-04 James Kenyon Sprague Method and device for detecting under-inflated game balls during a football game
US9188498B2 (en) * 2011-09-19 2015-11-17 James Kenyon Sprague Tire pressure measuring device
CN103411724B (zh) * 2013-08-06 2016-11-23 三峡大学 一种定容快速充放气气腔压力的测量方法
WO2016035041A1 (en) 2014-09-04 2016-03-10 Universidade De Coimbra Apparatus and method for non-invasive pressure measurement of a fluid confined in a vessel with elastic or rigid walls fitted with an elastic window
FR3068786B1 (fr) * 2017-07-04 2019-08-23 Commissariat A L'energie Atomique Et Aux Energies Alternatives Procede de determination d'une proportion d'air dans un conteneur
US10942078B2 (en) 2019-05-31 2021-03-09 TYCKit GmbH Measurement of pressure in pressure-filled containers with flexible walls, in particular tires
DE102020209596A1 (de) 2020-07-30 2022-02-03 Siemens Aktiengesellschaft Druckmesseinrichtung und Verfahren zur nicht-invasiven Messung eines Drucks in einem langgestreckten zylindrischen Behälter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802252A (en) * 1972-06-09 1974-04-09 Benthos Inc Pressure and vacuum monitoring apparatus
GB1594052A (en) * 1977-03-26 1981-07-30 Toyo Seikan Kaisha Ltd Method and apparatus for monitoring the internal pressure of an hermetically sealed container
US4399514A (en) * 1979-12-26 1983-08-16 Hitachi Shipbuilding & Engineering Co., Ltd. Method of inspecting internal pressures in sealed containers
US5144838A (en) * 1989-10-04 1992-09-08 Iwatsu Electric Co., Ltd. Defect detecting method and apparatus
US5353631A (en) * 1992-05-29 1994-10-11 Benthos, Inc. Analyzing internal pressure of a sealed container using frequency spectra

Also Published As

Publication number Publication date
EP0681168B1 (en) 1999-11-10
GB9408821D0 (en) 1994-06-22
EP0681168A3 (en) 1996-02-28
EP0681168A2 (en) 1995-11-08
HUH3855A (hu) 1998-03-30
PL308455A1 (en) 1995-11-13
CA2148052A1 (en) 1995-11-05
ID19058A (id) 1998-05-11
CN1116299A (zh) 1996-02-07
HU9501271D0 (en) 1995-06-28
US5585567A (en) 1996-12-17
CZ103795A3 (en) 1997-08-13
DE69513222D1 (de) 1999-12-16
PL178308B1 (pl) 2000-04-28

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