BS 7442-0-1991 橡胶或塑料涂层辊子.第0部分:导言
作者:标准资料网 时间:2024-05-15 19:00:12 浏览:8070
来源:标准资料网
【英文标准名称】:Rubberorplasticscoveredrollers-Introduction
【原文标准名称】:橡胶或塑料涂层辊子.第0部分:导言
【标准号】:BS7442-0-1991
【标准状态】:现行
【国别】:英国
【发布日期】:1991-10-31
【实施或试行日期】:1991-10-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:天然橡胶;塑料;选择;机械零部件;滚子;工业的;合成橡胶
【英文主题词】:Industrial;Mechanicalcomponents;Naturalrubber;Plastics;Rollers;Selection;Syntheticrubber
【摘要】:Drawsattentiontoenduseindustries,end-uses,methodsoftestonrollercoveringmaterialsandcoveredrollers.
【中国标准分类号】:G33;G42
【国际标准分类号】:83_140_99
【页数】:8P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingProductLeakagefromaPackagewithaMechanicalPumpDispenser
【原文标准名称】:测定有机械泵分配器的包装的产品泄漏率的标准试验方法
【标准号】:ASTMD6834-2002(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:D10.33
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:containerleakage;mechanicalpumpdispenserleakage;vacuumleakagetest;Containerleakage;Leaktesting;Mechanicalpumpdispensers;Neckcontainer/closureintegrity;Productleakagetesting;Vacuumleaktest
【摘要】:Thistestmethodissuitableforestablishingspecificationsofproductleakageforboththepumpdispenserandthefinalpackage.Thetestisperformedattwolevelsofvacuum,alowandahighlevel,inordertoavoidgoingdirectlyfromatmosphericpressureto200mbar,whichcansometimescausepumpcomponentsthathadnotbeenfullyseated,toseat.MethodA,ProductLeakageTestwithoutVibrationTestingofaMechanicalPumpDispenserPackage,isusedwhenapre-conditioningofthepackageinasimulatedshippingsituationisnotdesired.MethodB,ProductLeakageTestwithVibrationTestingofaMechanicalPumpDispenserPackage,isusedwhenapre-conditioningofthepackageinasimulatedshippingsituationisdesired.Thedynamicsandstressesofshippingcancreateconditionswherethepackagemaybemorelikelytoleak.1.1Thistestmethodcoverstheevaluationoftheabilityofapumpdispensertosealwhenthepackagingisheldundervacuum.Furthermore,itevaluatesthesealbetweenthepumpdispenserandtheneckcontainer/closureintegrity.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesaremathematicalconversionstoinch-poundunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.See4.3foraspecificwarningstatement.
【中国标准分类号】:J71
【国际标准分类号】:55_020
【页数】:3P.;A4
【正文语种】:英语
Product Code:SAE AS85049/5
Title:Connector Accessories, Electrical, Backshell, Cable Sealing, Straight, Step-Down, Category 1A (For MIL-DTL-22992 Connectors, Classes C, J, and R)
Issuing Committee:Ae-8c1 Connectors Committee
Scope:
