【英文标准名称】:StandardTestMethodforNondestructiveDetectionofLeaksinPackagesbyVacuumDecayMethod
【原文标准名称】:用真空衰变法的包装紧密性无损检验的标准试验方法
【标准号】:ASTMF2338-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:F02.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:衰变;检漏;非破坏性的;包装件;运输;真空的
【英文主题词】:absolutepressuretransducer;barrierperformance;block;criteriaparameters;differentialpressuretransducer;flexiblepackaging;foodpackages;holeleaks;holes;leaks;mask;medicalpackages;non-destructivetesting;packageintegritymonitoring;packageintegritytest;permeablepackaging;pharmaceuticalpackages;porousbarrier;porousbarriermaterial;porouspackaging;pressurechangeleaktesting;pressuretransducer;sealintegritymonitoring;sealintegritytest;sealleaks;semi-rigidthermoformedtrays;sterileintegritytest;vacuumdecayleaktesting;vacuumleaktesting;volumetricairflowmeter
【摘要】:Leaksinmedicaldevice,pharmaceuticalandfoodpackagesmayresultintheingressofunwantedgases(mostcommonlyoxygen),harmfulmicrobiologicalorparticulatecontaminants.Packageleaksmayappearasimperfectionsinthepackagecomponentsthemselvesoratthesealjuncturebetweenmatedcomponents.Theabilitytodetectleaksisnecessarytoensureconsistencyandintegrityofpackages.Afterinitialset-upandcalibration,theoperationsofindividualtestsmaybesemi-automatic,automaticormanual.Thetestmethodpermitsthenon-destructivedetectionofleaksnotvisiblydetectable.Thetestmethoddoesnotrequiretheintroductionofanyextraneousmaterialsorsubstances,suchasdyesorgases.However,itisimportanttophysicallymaskorblockoffanyporousbarriersurfaceofthepackageduringthetesttopreventarapidlossofchambervacuumresultingprimarilyfromgasmigrationthroughtheporoussurface.Leakdetectionisbasedsolelyontheabilitytodetectthechangeinpressureinsidethetestchamberasaresultofairegressfromtheproperlymaskedpackagewhenchallengedwithvacuumconditions.Thistestisausefulresearchtoolforoptimizationofpackagesealingparametersandforcomparativeevaluationofvariouspackagesandmaterials.Thistestmethodisalsoapplicabletoproductionsettingsasitisrapid,non-invasiveandnon-destructive,makingitusefulforeither100%on-linetestingortoperformtestsonastatisticalsamplingfromtheproductionoperation.Leaktestresultsthatexceedthepermissiblelimitsforthevacuumdecaytestareindicatedbyaudibleorvisualsignalresponses,orboth.1.1TestPackagesPackagesthatcanbenondestructivelyevaluatedbythistestmethodinclude:1.1.1Rigidandsemi-rigidnon-liddedtrays.1.1.2Traysorcupssealedwithporousbarrierliddingmaterial.1.1.3Rigid,nonporouspackages.1.1.4Flexible,nonporouspackages(see1.2.4).1.2LeaksDetected-Thistestmethodiscapableofdetectingpackageleaksusinganabsoluteordifferentialpressuretransducerleakdetector.Thesensitivityofatestisafunctionofthesensitivityofthetransducer,thepackagedesign,thedesignofthepackagetestfixture,andcriticaltestparametersoftimeandpressure.Typesandsizesofleaksthatmaybedetectedforvariouspackagesystems,aswellastestsensitivitiesaredescribedbelow.Thesedataarebasedonprecisionandbiasconfirmationstudies.1.2.1TraysorCups(Non-lidded)-Holeorcrackdefectsinthewallofthetray/cupofatleast50mindiametercanbedetectedataTargetVacuumof4104Pa(400mbar)usinganabsolutepressuretransducertestinstrument.1.2.2TraysSealedwithPorousBarrierLiddingMaterial-Holeorcrackdefectsinthewallofthetray/cupofatleast100mindiametercanbedetected.Channeldefectsinthesealarea(madeusingwiresof125mindiameter)canbedetected.Severesealbondingdefectsinbothcontinuousadhesiveanddotmatrixadhesivepackagesystemscanbedetected.Slightlyincompletedotmatrixadhesivebondingdefectscanalsobedetected.AllporousbarrierliddingmaterialpackagesweretestedataTargetVacuumof4104Pa(400mbar)usinganabsolutepressuretransducertestinstrument.Usingacalibratedvolumetricairflowmeter,thesensitivityofthetestforporousliddedpackagesisshowntobeapproximately10-2Pam3s-1.1.2.3Rigid,NonporousPackages-Holedefectsofatleast5mindiametercanbedetected.Allrigid,nonporouspackagesweretestedatatargetvacuumof5104Pa(500mbar)usingadifferentialpressuretransducertestinstrument.Usingacalibratedvolumetricairflowmeter,thesensitivityofthetestforrigid,nonporouspackagesisshowntobeapproxima......
【中国标准分类号】:A82
【国际标准分类号】:55_180_40;55_180_40
【页数】:9P.;A4
【正文语种】:


【英文标准名称】:Germanconstructioncontractprocedures(VOB)-PartC:Generaltechnicalspecificationsinconstructioncontracts(ATV)-Mountingofdoorandwindowhardware
【原文标准名称】:德国建筑包工合同条例(VOB).第C部分:建筑合同(ATV)通用技术规范.门和窗户五金器具的安装
【标准号】:DIN18357-2010
【标准状态】:作废
【国别】:德国
【发布日期】:2010-04
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:附加性能;ATV;建筑合同;建筑工程;建筑物;房屋配套家具;组件;建筑;施工材料;施工作业;施工工程;建筑工程承包条例;承包条例;签约;合同;设计;门拉手;门锁;门;配件;落地窗;家具附件;大门;五金器件工作;性能;性能规范;小的铁制品;规范(验收);弹簧铰链;铁扁担门铰链;承包条款;窗
【英文主题词】:AdditionalPerformance;ATV;Buildingcontracts;Buildingworks;Buildings;Built-infurniture;Components;Construction;Constructionmaterials;Constructionoperations;Constructionworks;Contractprocedureforbuildingworks;Contractprocedures;Contracting;Contracts;Design;Doorhandles;Doorlocks;Doors;Fittings;Frenchwindows;Furnitureaccessories;Gates;Ironmongeryworks;Performance;Performancespecification;Smalliron-work;Specification(approval);Springhinges;Straphinges;Termsofcontract;Windows
【摘要】:
【中国标准分类号】:P02;P32
【国际标准分类号】:91_010_20;91_190
【页数】:14P;A4
【正文语种】:英语