Aluminosilicate hydrogel bonded granular compositions and method of preparing sameWord文档格式.docx
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Filed:
December16,1980
RelatedU.S.PatentDocuments
ApplicationNumber
FilingDate
PatentNumber
IssueDate<
TD<
TD>
958802
Nov.,1978
<
CurrentU.S.Class:
106/38.3;
106/38.9;
501/106;
501/122;
501/127;
501/130;
501/133
CurrentInternationalClass:
C04B28/00
(20060101);
C04B28/26
B22C1/18
B22C1/16
B28B007/34
()
FieldofSearch:
106/38.3,38.9,84501/106,122,127,130,133
ReferencesCited[ReferencedBy]
U.S.PatentDocuments
2131338
September1938
Vail
2277704
March1942
Kinzieetal.
2378927
June1945
Jewett
2493693
January1950
Parkinson
2502418
April1950
Callis
2842444
July1958
Emblemetal.
2911311
November1959
Feaginetal.
3017677
January1962
Greenwald
3203057
August1965
Huntetal.
3218683
November1965
Nishiyamaetal.
3306758
February1967
Miller
3423216
January1969
Somers
3600203
August1971
Aldera
3804641
April1974
Lyassetal.
3804643
Aritaetal.
3874885
April1975
3881947
May1975
Palmer
3892579
July1975
Mabie
3923525
December1975
Toeniskoetteretal.
3930872
January1976
4056937
November1977
Suzuki
4070195
January1978
OtherReferences
Davisetal.,Jour.ofAFS,"
SteelMoldingSandsBondedwithSod.SilicateandSod.Aluminate,"
pp.11-14,Apr.1964..
PrimaryExaminer:
Hayes;
LorenzoB.
Attorney,AgentorFirm:
St.Onge,Steward,Johnston&
Reens
ParentCaseText
ThisisacontinuationofapplicationSer.No.958,802,filedNov.8,1978,nowabandoned.
Claims
Whatisclaimedis:
1.Formedshapesofrefractorymaterialwhicharecomposedofamoldablemixthatisself-settingwithoutbakingatambientatmosphericconditions,saidmixcomprisingatleast90%byweightofrefractorygranularparticles,andanaluminosilicatehydrogelbinderhavingamoleratioofaluminatosilicaofabout0.33to2.0forretainingsaidparticlesinsaidformedshapes,saidbinderconsistingofanalkalinemixtureofaqueoussolutionscontaining,respectively,awatersolublesourceofsilicaandawatersolublesourceofalumina,saidsolutionsbeingcombinedinsaidgranularmixinproportiontoproducesaidaluminosilicatehydrogelbinderundersaidambientatmosphericconditions,saidaluminosilicatehydrogelproducinginsaidformedshapesaminimumcompressivestrengthofabout12psiwithin60-65minutesat50.degree.F.orwithin10-12minutesat80.degree.F.ambienttemperature,50%humidity,andformingasubstantiallywater-resistantrigidbondbetweentheparticlesofthemixaftermoldingsaidmixintosaidshapes.
2.Formedshapesasdefinedinclaim1,whereinsaidsolutionsofwatersolublesourcesofsilicaandaluminaareproportionedtoproducesaidsubstantiallywater-resistantrigidbondinnotmorethan30minutes.
3.Formedshapesasdefinedinclaim1,whereinsaidparticlesarerefractorygranulesofsiliceousormetaloxidetypeselectedfromthegroupconsistingofquartz,zircon,kaolin,mullite,olivine,chromite,aluminosilicateandmixturesthereof.
4.Formedshapesasdefinedinclaim3whicharetotallyinorganicincomposition.
5.Atotallyinorganicformedshapeaccordingtoclaim1,comprisingafoundrysandmoldforcastingmetal,saidmoldbeingcomposedofamoldabl