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4E092 | Mold materials and core materials | |
B22C1/00 -3/02 |
B22C1/00-1/26;3/00-3/00@G;3/02 | AA | AA00 MOLD MATERIALS, CORE MATERIALS, AND COATING MATERIALS |
AA01 | AA02 | AA03 | AA04 | AA05 | AA06 | AA07 | AA08 | AA09 | AA10 |
. Inorganic materials | . . Silica sand | . . Special sands (e.g., zircon sand and chromite sand) | . . Refractory materials (i.e., including silica and cement) | . . Carbon materials (e.g., carbon powder and graphite) | . . Clay (e.g., bentonite) | . . Slag | . . Gypsum | . . Metals (i.e., powders and granules) | . . Inorganic fiber materials | |||
AA11 | AA12 | AA13 | AA14 | AA15 | AA16 | AA17 | AA18 | AA19 | ||||
. . Carbon dioxide (CO2) | . . Sulfur dioxide (SO2) | . . Hydrogen peroxide (H2O2) | . . Sulfur (i.e., including sulfates) | . . Phosphorus (i.e., including phosphates) | . . Carbonic acid (i.e., including carbonates) | . . Ammonia (i.e., including ammonium salts) | . . Silicates (i.e., including colloidal silica) | . . Oxides of alkaline earth metals (i.e., including hydroxides) | ||||
AA21 | AA22 | AA23 | AA24 | AA26 | AA27 | AA28 | AA30 | |||||
. Organic non-macromolecular materials | . . Organic peroxides | . . Alcohols | . . . Furfuryl alcohols | . . Esters | . . Carboxylic acid | . . . Carboxylite and acid amides | . . Sulfonic acid | |||||
AA31 | AA32 | AA33 | AA34 | AA35 | AA36 | |||||||
. . Amine compounds | . . Isocyanate compounds | . . Heterocyclic compounds containing nitrogen (e.g., pyridine) | . . Organic silica compounds | . . Dry oils | . . Surfactants | |||||||
AA41 | AA42 | AA43 | AA44 | AA45 | AA46 | AA47 | AA48 | AA50 | ||||
. Organic macromolecular materials | . . Polysaccharides (e.g., starch and honey) | . . Polyvinyl alcohols (i.e., including vinyl acetate) | . . Polyacryl (e.g., unsaturated carboxylic acid) | . . Phenolic resins | . . . Resols | . . . Novolaks | . . . Benzyl ethels | . . Furan resins | ||||
AA51 | AA52 | AA53 | AA54 | AA55 | AA56 | AA57 | AA60 | |||||
. . Urea resins | . . Melamine resins | . . Epoxy resins | . . Alkyd resins | . . Polyols (i.e., polyethers and polyesters) | . . Silicone resins | . . Fluororesins | . Others | |||||
B22C1/00-1/26 | BA | BA00 PURPOSE AND EFFECTS |
BA01 | BA02 | BA03 | BA04 | BA05 | BA06 | BA07 | BA08 | BA09 | BA10 |
. Storage stability of mold materials and core materials | . Control of hardening speed of sand-mixing | . Prevention of mold staining | . Improvement of mold-filling density (i.e., including improvement of mold reinforcement) | . Improvement of mold moisture-proofing | . Improvement of mold heat-resistance | . Improvement of mold air-permeability | . Low mold expansion | . Improvement of sand-collapse of the mold | . Improvement of recyclability of recovered sand | |||
BA11 | BA12 | BA13 | BA20 | |||||||||
. Materials for the prevention of mold defects | . Materials for environmental improvement | . Materials for casting of special alloys | . Others | |||||||||
CA | CA00 CLAIMS RELATED TO MATERIAL LIMITATIONS |
CA01 | CA02 | CA03 | CA04 | CA10 | ||||||
. Particle diameter | . Distribution of grain | . Composite ratio | . Molecular weight and monomer weight | . Others | ||||||||
B22C3/00-3/00@G;3/02 | DA | DA00 FORMS |
DA01 | DA02 | DA03 | DA05 | DA10 | |||||
. Liquids | . . Water media | . . Organic-solvent media | . Powders | . Others | ||||||||
EA | EA00 OBJECT OF COATING |
EA01 | EA02 | EA03 | EA05 | EA10 | ||||||
. Lost patterns or coreboxes | . Sand-casting molds | . . Sand-casting molds using depressurized molds (i.e., use of the V-process) | . Lost patterns | . Others | ||||||||
FA | FA00 COATING METHODS |
FA01 | FA02 | FA03 | FA10 | |||||||
. Thermal spraying methods | . Rear suction methods | . Copying methods | . Others | |||||||||
GA | GA00 COATING PURPOSES AND EFFECTS |
GA01 | GA02 | GA03 | GA10 | |||||||
. Mold release | . Plaster molds | . . Improvement of casting surfaces (i.e., including improvement of the surfaces structures of castings) | . Others |