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英文原文英语原文SANDMIXERABSTRACTAFOUNDRYSANDMIXERFORMIXINGANDDISPENSINGSILICAORGREENSANDANDTHEIRADDITIVESTHROUGHTHEENCLOSEDLONGITUDINALBELTCONVEYORMECHANISMHAVINGAPLURALITYOFOPENINGSINTHETOPCOMMUNICATINGWITHAFIRSTFEEDERDISPOSEDABOVETHEENCLOSEDLONGITUDINALBELTCONVEYORMECHANISMANDINCLUDINGAPAIROFOPENINGSINTHEBOTTOMTHEFIRSTFEEDERINCLUDESANAUGERTYPECONVEYORANDASANDWEIRCOMMUNICATINGWITHTHEMOSTUPSTREAMOPENINGINTHEFIRSTFEEDERAFIRSTHOPPERFORCONTAININGSILICASANDANDASECONDHOPPERFORCONTAININGGREENSANDAREDISPOSEDOVERTHEFIRSTFEEDERASELECTIVEVALVEISDISPOSEDATTHEBOTTOMOFEACHOFTHEFIRSTANDSECONDHOPPERSPERMITTINGTHEFLOWOFSANDTHROUGHONLYONEOFTHEHOPPERSATANYTIMEORPREVENTINGTHEFLOWOFANYSANDFROMTHEHOPPERSTHEMIXERMAYINCLUDEADDITIONALFEEDERS,SOMEOFWHICHAREDISPOSEDABOVEANDDOWNSTREAMFROMTHEFIRSTFEEDER,ANDOTHERSINCLUDINGPUMPSARECONNECTEDTOAPLURALITYOFFLUIDSTHATAREFEDTHROUGHACONSTANTSPEEDMIXERWHERETHEMATERIALSAREMIXEDANDTHEMIXEDMATERIALSDELIVEREDATADISCHARGEOPENINGINVENTORSFRANKIE,DONALDM1599GULLLA,MOUND,MN,55364CLAIMS1INAFOUNDRYSANDMIXERFORMIXINGANDDISPENSINGSILICAORGREENSANDANDTHEIRADDITIVES,THECOMBINATIONCOMPRISINGAASUPPORTFRAMEPIVOTALABOUTAVERTICALAXISANDHAVINGAPLATFORMEXTENDINGRADIALLYTHEREFROM；BANENCLOSUREINCLUDINGANENCLOSEDLONGITUDINALBELTCONVEYORMECHANISMEXTENDINGABOVESAIDPLATFORMANDHAVINGAPLURALITYOFOPENINGSINTHETOPOFTHEENCLOSURECOMMUNICATINGWITHSAIDBELTCONVEYORMECHANISM；CFIRSTFEEDERMEANSDISPOSEDABOVEANDATTHEMOSTUPSTREAMLOCATIONOFSAIDENCLOSEDLONGITUDINALBELTCONVEYORMECHANISM,SAIDFIRSTFEEDERMEANSHAVINGABOTTOMANDCONVERGINGSLOPINGSIDESCOMMUNICATINGNEARTHEBOTTOMWITHANAUGERTYPECONVEYOR,ANDHAVINGAPAIROFOPENINGSLONGITUDINALLYSEPARATEDINTHEBOTTOMTHEREOFFEEDINGSAIDBELTCONVEYOR；DASANDWEIRCOMMUNICATINGWITHTHEMOSTUPSTREAMOPENINGOFSAIDPAIROFOPENINGSINSAIDFIRSTFEEDERMEANS,SAIDSANDWEIRDISPOSEDABOVESAIDLONGITUDINALBELTCONVEYORMECHANISMFORDISPERSINGSANDONSAIDBELTCONVEYORMECHANISM；EAFIRSTHOPPERFORCONTAININGSILICASANDDISPOSEDOVERTHEUPSTREAMPORTIONOFSAIDFIRSTFEEDERMEANS；FASECONDHOPPERFORCONTAININGGREENSANDDISPOSEDDOWNSTREAMFROMSAIDFIRSTHOPPERANDOVERSAIDFIRSTFEEDERMEANS；GSELECTIVEVALVEMEANSDISPOSEDATTHEBOTTOMOFEACHOFSAIDFIRSTANDSECONDHOPPERSPERMITTINGTHEFLOWOFSANDTHROUGHONLYONEOFSAIDHOPPERSATANYTIMEORPREVENTINGTHEFLOWOFANYSANDFROMSAIDHOPPERS；HANDCONTROLMEANSOPERABLYCONNECTEDTOSAIDSELECTIVEVALVEMEANSFORSELECTINGONEOFSAIDTWOSANDSORNEITHERTOBEDISPENSEDONTOSAIDBELTCONVEYOR2THESTRUCTURESETFORTHINCLAIM1INCLUDINGIAPLURALITYOFSECONDFEEDERMEANSDISPOSEDABOVESAIDBELTCONVEYORMECHANISMANDATADOWNSTREAMLOCATIONFROMSAIDFIRSTFEEDERMEANS,EACHOFSAIDPLURALITYOFSECONDFEEDERMEANSHAVINGABOTTOMANDCONVERGINGSLOPINGSIDESCOMMUNICATINGNEARTHEBOTTOMWITHANAUGERTYPECONVEYORANDHAVINGANOPENINGINTHEBOTTOMTHEREOFFEEDINGSAIDBELTCONVEYOR；JACONSTANTSPEEDMIXERDISPOSEDONSAIDPLATFORMANDARRANGEDTORECEIVEGRANULARANDLIQUIDMATERIALS,MIXTHEMATERIALSANDDELIVERTHEMIXEDMATERIALSATADISCHARGEOPENING,SAIDBELTCONVEYORCOMMUNICATINGWITHSAIDMIXER；KANDAPLURALITYOFPUMPMEANSCONNECTEDTOAPLURALITYOFFLUIDSANDCOMMUNICATINGWITHSAIDMIXERDESCRIPTIONTHISINVENTIONRELATESTOTHEFIELDOFMIXERSANDMOREPARTICULARLYTOTHEFIELDOFFOUNDRYSANDMIXERSFORMIXINGSILICAORGREENSANDANDTHEIRADDITIVESBACKGROUNDOFTHEINVENTIONWHILETHEARTOFMIXINGFOUNDRYSANDPERSETHROUGHAMECHANICALPROCESSISGENERALLYKNOWN,THEREAREATTENDANTPROBLEMSINATTEMPTINGTOUSETHESAMEEQUIPMENTFORMIXINGGREENSANDANDITSADDITIVESASGENERALLYMIGHTBEUSEDINAMIXERUSINGSILICASANDANDITSADDITIVESBECAUSEOFTHEINHERENTDIFFERENCESINTHEMATERIALSTOBEMIXEDANDPASSEDTHROUGHTHEMACHINE,THEPRACTICEHASGENERALLYBEENTOUSESEPARATEMACHINESFOREACHOFTHEDIFFERENTFOUNDRYSANDMATERIALSANDPROCESSESSUMMARYOFTHEINVENTIONTHEEMBODIMENTSOFTHISIMPROVEMENTINVENTIONMAKESITPOSSIBLETOCOMBINETHENECESSARYEQUIPMENTINTOASINGLEMACHINETOMIXEITHERGREENSANDORSILICASANDANDTHEIRADDITIVESVARIOUSMEANSHAVEBEENATTEMPTEDTOMIXGREENSANDWHICHREQUIRESTHEADDITIONOFSUCHOTHERGRANULARANDDRYINGREDIENTSASFIRECLAY,BENTONITE,SEACOAL,PITCH,WOODFLOURANDTHELIKE,ALONGWITHANAPPROPRIATEMIXTUREOFWATERONTHEOTHERHAND,SILICASAND,WHICHMAYALSOBEKNOWNASANOBAKESAND,ISGENERALLYMIXEDWITHDRYGRANULARMATERIALSSUCHASCHROMITEANDFERRICOXIDEANDSEVERALLIQUIDINGREDIENTSWHICHMAYINCLUDECERTAINCHEMICALSBECAUSECERTAINGREENSANDMOLDSMAYBEBROKENDOWNAFTERUSEANDREUSED,GREENSAND,WHENMIXEDWITHSUCHCOMPONENTS,PROVIDESADIFFERENTFLOWPATTERNTHANTHATOFSILICASANDSILICASANDFLOWSTHROUGHHOPPERSANDEQUIPMENTMUCHLIKETHEFLOWOFWATERWHEREASGREENSANDHASADDITIONALADDITIVESANDMIXTURESTHATGENERALLYMAKEITLUMPYWITHATTENDANTFLOWPROBLEMSVARIOUSMEANSHAVEBEENDEVISEDINTHEPASTTOMAKEASLURRYOFTHEADDITIVESANDADDTHEMTOTHEGREENSANDBUTTHEMECHANISMDOESNOTPROVETOBEUSEFULINWORKINGWITHBOTHTYPESOFMOLDINGSANDONESUCHMECHANISMISTHATDISCLOSEDINUSPATNO3,070,858ISSUEDTOJSBEACONITISALSOKNOWNTHATCERTAINSILICASANDORNOBAKESANDMIXERSHAVEBEENAVAILABLEBUTARENOTOPERABLETORUNGREENSANDTHROUGHTHEMANDMIXTHEGREENSANDINTHEMANNERGENERALLYATTRIBUTABLETOSILICASANDONESUCHDISCLOSUREOFAMECHANISMOFTHISTYPEISFOUNDINUSPATNO3,682,448ISUEDTOKEDZIORETALTHEPRESENTINVENTIONISANIMPROVEMENTUPONTHEMECHANISMDISCLOSEDINMYEARLIERUSPATNO4,140,246ENTITLEDPROPORTIONALCONTROLSYSTEMFORFOUNDRYSANDMIXINGDEVICEITISTHEREFOREAGENERALOBJECTOFTHEPRESENTINVENTIONTOPROVIDEANIMPROVEMENTINFOUNDRYSANDMIXINGEQUIPMENTITISAMORESPECIFICOBJECTOFTHISINVENTIONTOPROVIDEAFOUNDRYSANDMIXERTHATWILLMIXEITHERSILICASANDORFOUNDRYGREENSANDANDTHEIRADDITIVESITISYETANOTHEROBJECTOFTHISINVENTIONTOPROVIDEAFOUNDRYSANDMIXERINWHICHEITHERSILICASANDORFOUNDRYGREENSANDISCONTROLLEDBYAVALVEMECHANISMSELECTIVELYDEPOSITINGONEORTHEOTHERONABELTCONVEYORFORPROPERMIXINGTHESEANDOTHEROBJECTSANDADVANTAGESOFTHEINVENTIONWILLMOREFULLYAPPEARFROMTHEFOLLOWINGDESCRIPTION,MADEINCONNECTIONWITHTHEACCOMPANYINGDRAWINGS,WHEREINLIKEREFERENCECHARACTERSREFERTOTHESAMEORSIMILARPARTSTHROUGHOUTTHESEVERALVIEWS,ANDINWHICHFIG1ISAPERSPECTIVEVIEWOFTHEINVENTION；FIG2ISASCHEMATICDIAGRAMOFTHEMIXERCONTROLCIRCUIT；FIGS3AAND3BARESCHEMATICDIAGRAMSOFTHEDRIVECIRCUITSFORALLOFTHEVARIABLESPEEDMOTORSDRIVINGFEEDERSANDPUMPSINTHEINVENTION；FIG4ISADIAGRAMOFTHECONTROLPANELONTHEENDOFTHEMIXER；ANDFIG5ISASCHEMATICDIAGRAMOFTHESELECTIVESANDVALVEPREFERREDEMBODIMENTREFERENCEISNOWMADETOFIG1WHEREINTHEFOUNDRYSANDMIXER10ISDISCLOSEDTHEMIXERISSECUREDTOABASE11THATHASAVERTICALAXISABOUTWHICHAHOUSING12PIVOTS,HOUSING12HAVINGACANTILEVERBEAM13EXTENDINGRADIALLYTHEREFROMATTHEUPSTREAMENDOFTHEMECHANISM,ABRACKET14SUPPORTSONEENDOFANENCLOSEDCONVEYORMECHANISM15ANDTHEOTHERENDOFCONVEYORMECHANISM15ISSUPPORTEDBYACHUTE16THATACTSASASUPPORTBRACKETTHATISINDIRECTLYSECUREDTOBEAM13ABELTCONVEYOR17ISDISPOSEDWITHINTHEHOUSING15ANDISSUPPORTEDFORMOVEMENTBYAPLURALITYOFHORIZONTALTRANSVERSELYORIENTEDROLLERS20ADIRECTCURRENTDRIVEMOTOR21ISCONNECTEDTOTHEDOWNSTREAMENDROLLERTODRIVETHEBELTCONVEYORMECHANISM17DISPOSEDABOVETHEENCLOSEDCONVEYOR15ISAFIRSTFEEDER22WHICHISELEVATEDSLIGHTLYABOVETHECONVEYORENCLOSURE15FEEDER22ISINTHENATUREOFACONTAINERHAVINGSLOPINGSIDESCONVERGINGATTHEBOTTOMWITHANAUGERTYPECONVEYOR23DRIVENBYAVARIABLESPEEDMOTOR24FEEDER22HASITSSIDESEXTENDINGUPWARDLYATANANGLEOFAPPROXIMATELY30DEGREESWITHAVERTICALANDITHASBEENFOUNDTHATIFTHESIDESEXTENDOUTWARDLYSOTHATTHEANGLEWITHTHEVERTICALISAPPROXIMATELY45DEGREES,FLOWOFTHEGREENSANDWILLBEENCUMBEREDFEEDER22HASTWOOPENINGSINTHEBOTTOMTHEREOF,THEFIRSTTERMINATINGINASANDWEIR25WHICHISATTHEUPSTREAMLOCATIONWITHRESPECTTOTHELONGITUDINALDIMENSIONOFTHEFEEDERANDISDIRECTLYBENEATHASILICASANDHOPPER26DISPOSEDDOWNSTREAMFROMSAIDWEIR25ISATUBULARMEMBER27THATCOMMUNICATESBETWEENANOPENING30INTHEBOTTOMOFFIRSTFEEDER22ANDTHETOPOFTHEENCLOSEDCONVEYORMECHANISM15DISPOSEDACROSSTHEOPENING30ISASCARIFIER31INTHENATUREOFTWORIGHTANGLEDIAMETRICALLYORIENTEDRODSTHATAREUSEDTOBREAKUPANYLUMPSTHATMAYSTILLEXISTUPONBEINGCONVEYEDTOTHATOPENINGBYAUGERCONVEYOR23SILICASANDHOPPER26ISDISCLOSEDASBEINGGENERALLYRECTANGULARINSHAPEHAVINGACOMMONSIDE32WHICHACTSASASEPARATORWITHANOTHERHOPPER33THATISUSEDTOCONTAINGREENSANDTHESIDESOFTHEHOPPERSSLOPEDOWNWARDLYINACONVERGINGMANNERANDARETERMINATEDINAPAIROFCHUTES34AND35ASELECTIVEVALVE36ISDISPOSEDACROSSTHEOPENINGSOFCHUTES34AND35SOTHATUPONMOVEMENTTOTHERIGHTASSEENINFIG1SANDWILLFLOWFROMHOPPER26THROUGHCHUTE34INTOFIRSTFEEDER22BUTBLOCKFLOWOFSANDTHROUGHCHUTE35ANDUPONMOVEMENTTOTHELEFT,VALVEMEANSWILLPERMITFLOWOFGREENSANDFROMHOPPER33THROUGHCHUTE35BUTBLOCKTHEMOVEMENTOFSILICASANDINOTHERWORDS,EITHERSILICASANDORGREENSANDISADMITTEDDURINGTHETWOEXTREMEMOVEMENTSANDWHILETHEVALVEISINITSCENTERPOSITION,SANDISRESTRICTEDFROMMOVEMENTINTOEITHERCHUTE34OR35SELECTIVEVALVE36ISCONTROLLEDBYANAIRCYLINDER37THATHASAPISTONROD38CONNECTEDTOVALVE36THROUGHALINKAGE40ASOLENOIDACTUATEDVALVE41ISCONNECTEDTOASOURCEOFPRESSURIZEDAIR42THROUGHAPNEUMATICLINE43THESOURCEOFAIRUNDERPRESSUREISGENERALLY100PSIFORGOODOPERATINGCONDITIONSAPAIROFPNEUMATICLINES44AND45CONNECTSOLENOIDVALVE41WITHAIRCYLINDER37ANDTHESOLENOIDCOILSARECONTROLLEDTHROUGHANELECTRICALCIRCUITCONNECTEDTOTHESOLENOIDVALVE41A110VOLTSOURCEISCONNECTEDTHROUGHACOMMONLEAD46TOSOLENOIDVALVE41ANDONECOILHASITSRETURNCURRENTPATHTHROUGHACONDUCTOR47ANDONETERMINALOFASINGLEPOLEDOUBLETHROWSWITCH50THESWITCHBLADEISCONNECTEDTOTHEOTHERTERMINALOFTHE110VOLTSOURCETHROUGHACONDUCTOR51ANOTHERCOILINTHESOLENOIDVALVE41ISCONNECTEDTHROUGHTHEELECTRICALCIRCUITBYACONDUCTOR52CONNECTEDTOANOTHERTERMINALOFSWITCH50ASDISCLOSEDINFIG5,WHENTHESWITCHBLADEISCONNECTEDWITHCONDUCTOR47,THESILICASANDORNOBAKESANDISPERMITTEDTOPASSTHROUGHVALVEMECHANISM36ANDWHENTHEOTHERPORTIONOFTHESOLENOIDVALVEISACTUATEDTHROUGHCONDUCTOR52,THEGREENSANDISPERMITTEDTOPASSTHROUGHVALVE36ASECONDFEEDER53ISDISPOSEDABOVETHECONVEYORENCLOSURE15DOWNSTREAMFROMFIRSTFEEDER22SECONDFEEDER53HASTHESAMEGENERALSHAPEANDCONFIGURATIONASTHATOFFIRSTFEEDER22ANDINCLUDESACONVEYORAUGER54DRIVENBYAVARIABLESPEEDMOTOR55THROUGHAPAIROFSPROCKETS56AND57ANDACHAIN58SECONDFEEDER53HASANOPENINGINITSBOTTOMNEARTHEDOWNSTREAMENDOFAUGERCONVEYOR54WHICHISCOUPLEDTOTHEHOUSING15THROUGHATUBULARMEMBER60DISPOSEDABOVETHEAUGERCONVEYOR54ISASTIRRER61THATISINTHEFORMOFSHAFTEXTENDINGPARALLELTOTHESHAFTOFTHEAUGERCONVEYOR54ANDHAVINGAPLURALITYOFBRANCHESORARMSEXTENDINGTHEREFROM,WHICHWHENTHEASSEMBLYISTURNEDTENDSTOBREAKUPANYBRIDGESORLUMPINGOFMATERIALSSUCHASBENTONITEORSEACOALAPAIROFSPROCKETSANDACHAINDRIVESTIRRER61FORMTHESHAFTOFAUGERCONVEYOR
