Method for molding a product and a mold used therein

The present invention relates to a method for molding a product and the molds used therein, wherein said method comprises the steps of heating a surface layer (16) of a mold cavity via induction heating to the temperature of 50-400 C for 0.5-20 sec, filling of molding material into the cavity and co...

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Bibliographic Details
Main Author PARK HERN-JIN
Format Patent
LanguageEnglish
Published 13.09.2006
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
CASTING
CASTING OF METALS
CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
FOUNDRY MOULDING
PERFORMING OPERATIONS
POWDER METALLURGY
SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING CEMENT, CLAY, OR STONE
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:The present invention relates to a method for molding a product and the molds used therein, wherein said method comprises the steps of heating a surface layer (16) of a mold cavity via induction heating to the temperature of 50-400 C for 0.5-20 sec, filling of molding material into the cavity and cooling the mold by circulating a cooling fluid through a cooling line, wherein the mold comprises a surface layer (16) and an insulating layer (17) in which micro-channels (15) or micro-holes (18) are constructed.
Bibliography:Application Number: CN20028015006