Patent ID: 7963760
Filing Date: 2011-06-21
Classification: B29C

Abstract:
1. A molding apparatus, comprising: a mold comprising a cavity formed by coupling a first mold and a second mold so that an object can be formed therein and a plurality of cartridge channels; and a plurality of heater cartridges disposed in the plurality of cartridge channels, each of the plurality of heater cartridges comprising: a main body casing; a plurality of heating sectors dividing an inside of the main body casing; and a plurality of heating parts respectively provided in the plurality of heating sectors to heat an area of the mold, wherein the plurality of heater cartridges are disposed at the first mold and the second mold around the cavity; and wherein the amount of heat supplied from each of the plurality of heating parts is proportionate to a distance between the cavity and each of the plurality of heating sectors, respectively.