CA959936A - Control of packaging - Google Patents

Control of packaging

Info

Publication number
CA959936A
CA959936A CA145,778A CA145778A CA959936A CA 959936 A CA959936 A CA 959936A CA 145778 A CA145778 A CA 145778A CA 959936 A CA959936 A CA 959936A
Authority
CA
Canada
Prior art keywords
packaging
control
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
Application number
CA145,778A
Other versions
CA145778S (en
Inventor
Jozef F. Fielibert
Adrianus Van Rooijen
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.)
Unilever PLC
Original Assignee
Unilever PLC
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 Unilever PLC filed Critical Unilever PLC
Application granted granted Critical
Publication of CA959936A publication Critical patent/CA959936A/en
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
  • Cookers (AREA)
CA145,778A 1971-07-01 1972-06-27 Control of packaging Expired CA959936A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7109071A NL7109071A (en) 1971-07-01 1971-07-01

Publications (1)

Publication Number Publication Date
CA959936A true CA959936A (en) 1974-12-24

Family

ID=19813521

Family Applications (1)

Application Number Title Priority Date Filing Date
CA145,778A Expired CA959936A (en) 1971-07-01 1972-06-27 Control of packaging

Country Status (13)

Country Link
US (1) US3855531A (en)
AT (1) AT326555B (en)
BE (1) BE785743A (en)
CA (1) CA959936A (en)
CH (1) CH549208A (en)
DE (1) DE2231441A1 (en)
ES (1) ES404421A1 (en)
FR (1) FR2144425A5 (en)
GB (1) GB1399161A (en)
IT (1) IT959293B (en)
NL (1) NL7109071A (en)
SE (1) SE388937B (en)
ZA (1) ZA724456B (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4503710A (en) * 1983-06-08 1985-03-12 Conoco Inc. Crack detection by electrical resistance
US5285678A (en) * 1986-12-04 1994-02-15 Seal Integrity Systems, Inc. Container seal testing and pressurization
DE8632565U1 (en) * 1986-12-05 1987-04-16 Henkel, Wolfgang Eberhard, 6832 Hockenheim Leak warning device
SE462407B (en) * 1988-11-07 1990-06-18 Alfastar Ab DEVICE FOR THE DETECTION OF LEAKAGE IN A PART OF A RELATIVE DEVICE MOVING
US5571550A (en) * 1993-01-22 1996-11-05 Polny, Jr.; Thaddeus J. Methods for electroheating food employing concentric electrodes
CA2132882A1 (en) * 1993-09-23 1995-03-24 David Reznik Electroheating of food products using low frequency current
US5583960A (en) * 1994-06-01 1996-12-10 David Reznik Electroheating apparatus and methods
US5535618A (en) * 1995-01-31 1996-07-16 The Quaker Oats Company Seal integrity evaluation method
US5741539A (en) * 1995-06-02 1998-04-21 Knipper; Aloysius J. Shelf-stable liquid egg
US5572123A (en) * 1995-06-07 1996-11-05 University Of Alaska Apparatus and method for on-line inspection of electrically conductive food products using liquid electrolyte
JP2681764B2 (en) * 1995-07-12 1997-11-26 ジョーベン電機株式会社 Inspection method of sealed package
SE504858C2 (en) * 1995-08-18 1997-05-12 Tetra Laval Holdings & Finance Methods for quality control and prepared packaging containers and material for this
EP0786655B1 (en) * 1997-05-07 2002-07-24 Martin Lehmann Procedure for leak testing of closed containers, test chamber, device and installation therefor
US5900270A (en) * 1997-09-22 1999-05-04 Cobe Laboratories, Inc. Technique for testing and coating a microporous membrane
US6411110B1 (en) 1999-08-17 2002-06-25 Micron Technology, Inc. Apparatuses and methods for determining if protective coatings on semiconductor substrate holding devices have been compromised
AUPQ667800A0 (en) * 2000-04-04 2000-05-04 Chubpak Australia Pty Ltd Detection method
US6415651B1 (en) * 2000-06-23 2002-07-09 The Quaker Oats Company Mobile pneumatic apparatus and method for testing a container seal
FR2810733A1 (en) * 2000-06-23 2001-12-28 Bonduelle Sa Ets Method and equipment for testing watertightness of a container, comprises application of electric potential to conductor in contact with contents while container is immersed in conducting medium
TWI284202B (en) * 2004-11-29 2007-07-21 Yuanpei Inst Of Science And Te Method for detecting defects in a package containing metal foil by cyclic voltammetry
CN1997881B (en) * 2005-01-10 2010-09-22 膜康公司 Instrument and method for detecting leaks in hermetically sealed packaging
ATE545010T1 (en) * 2005-02-02 2012-02-15 Mocon Inc INSTRUMENT AND METHOD FOR DETECTING AND REPORTING THE SIZE OF LEAKS IN HERMETIC SEALED PACKAGINGS
WO2006088542A2 (en) * 2005-02-14 2006-08-24 Mocon, Inc. Detecting and reporting the location of a leak in hermetically sealed packaging
US20100237850A1 (en) * 2009-03-19 2010-09-23 Ahmed Abdullah Salem Al-Ghamdi Device and method for testing food quality
CN102686993B (en) * 2009-12-29 2015-06-10 雀巢产品技术援助有限公司 Seal integrity evaluation device and method of use thereof
DE102011050371A1 (en) * 2011-05-16 2012-11-22 Dbk David + Baader Gmbh Method for testing leakage of enclosure of heater for selective catalytic reduction system, involves detecting adjustable testing current after applying testing voltage to electrodes, where current is shut dependent on leakage of enclosure
US12018997B2 (en) * 2018-04-11 2024-06-25 Eximis Surgical, Inc. Tissue specimen removal device, system and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE338299C (en) * 1921-08-20 Max Steffen Vacuum tester for jars
CA604278A (en) * 1960-08-30 Ashton Clyde Means for and method of testing reduced pressure in sealed metal containers
US1843234A (en) * 1931-03-24 1932-02-02 James C Karnes Testing sealed containers and method of testing containers
US2503992A (en) * 1947-06-20 1950-04-11 Us Rubber Co Inner tube tester
US3383863A (en) * 1966-08-03 1968-05-21 Joe R. Berry Pond, tank and pit liner and method of detecting leaks

Also Published As

Publication number Publication date
FR2144425A5 (en) 1973-02-09
AU4402872A (en) 1974-01-03
ZA724456B (en) 1974-01-30
NL7109071A (en) 1973-01-03
SE388937B (en) 1976-10-18
CH549208A (en) 1974-05-15
DE2231441A1 (en) 1973-01-11
BE785743A (en) 1973-01-02
US3855531A (en) 1974-12-17
ATA564372A (en) 1975-02-15
ES404421A1 (en) 1976-01-01
IT959293B (en) 1973-11-10
AT326555B (en) 1975-12-29
GB1399161A (en) 1975-06-25

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