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Utilize the compressed fluid inside the chamber inside the die injection molding manner and the injection molding device
Utilize the compressed fluid inside the chamber inside the die injection molding manner and the injection molding device
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机译:利用模具注射成型方式和注射成型装置内部的腔室内的压缩流体
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摘要
A method and system for the injection molding of plastic articles in an injection molding system including a chamber (18) in a mold of the system which stores a charge of pressurized gas immediately prior to use. The mold has an injection aperture and a mold cavity for receiving molten resin. A resin flow path (14) fluidly communicates the injection aperture and the mold cavity within the mold. An orifice (20) in the mold opens the chamber (18) to the mold. A gas receiver (10) initially stores the charge of pressurized gas and a fluid circuit selectively introduces the charge of pressurized fluid into the chamber (18). A valve mechanism (24) in the chamber (18) selectively fluidly communicates the chamber (18) to the flow path (14) under control of a controller (28). When communicated to the flow path (14), the charge of gas distributes the molten plastic within the mold cavity in one embodiment of the invention.
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