US Patent 7318468 Glued lost foam casting pattern assembly
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Patent abstract
Lost foam pattern assemblies formed by gluing together a plurality of EPS foam pattern segments with a polystyrene-like glue comprising an aromatic resin that has a molecular weight less than 10,000 and thermally degrades at temperatures no greater than said EPS. The glue contains sufficient first plasticizer, miscible with the resin, to impart a viscosity of about 0.1 to 5 PaS @ about 100-135° C. to the glue. The glue may optionally include a second, limited-miscibility, plasticizer to accelerate the hardening rate and increase the ultimate rigidity of the glue.
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US Patent 07318468 Glued lost foam casting pattern assembly US Patent 7318468 Glued lost foam casting pattern assembly
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Patent Number
0731846800
Patent Number
731846800
Edits on 19 May, 2023
Golden AI
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Official Website
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Patent Jurisdiction
Patent Number
073184680
Date of Patent
January 15, 2008
0Patent Application Number
114306200
Date Filed
May 9, 2006
0Official Website
Patent Primary Examiner
Edits on 26 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
073184680
Date of Patent
January 15, 2008
0Patent Application Number
114306200
Date Filed
May 9, 2006
0Official Website
Patent Primary Examiner
Edits on 17 Jun, 2022
Golden AI
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Edits on 23 Nov, 2021
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US Patent 07318468 Glued lost foam casting pattern assembly
Infobox
Is a
Patent jurisdiction
Patent number
07318468
Date of patent
January 15, 2008
Patent application number
11430620
Date Filed
May 9, 2006
Patent primary examiner
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