The invention relates to compression injection plastic molding using a repository space, for the temporary storage of the molding material melt to prevent structural faults and reduce workpiece costs. The molten molding material is first fed into the repository space, whose volume corresponds to the
The invention relates to compression injection plastic molding using a repository space, for the temporary storage of the molding material melt to prevent structural faults and reduce workpiece costs. The molten molding material is first fed into the repository space, whose volume corresponds to the volume of the mold cavity. When the injection process starts, the bottom of the piston aligns with the edge of the repository space and with the wall of the mold cavity so that a small amount of molding material melt reaches the mold cavity directly. The piston then slides into the cylinder. The repository space, which continuously becomes larger, is filled with a melted material at almost no pressure. The melt is conveyed into the plastic core until tho supply of the melted molding material is ended. The piston is then retracted, and the mold cavity is thus completely filled with molding material.
대표청구항▼
The invention relates to compression injection plastic molding using a repository space, for the temporary storage of the molding material melt to prevent structural faults and reduce workpiece costs. The molten molding material is first fed into the repository space, whose volume corresponds to the
The invention relates to compression injection plastic molding using a repository space, for the temporary storage of the molding material melt to prevent structural faults and reduce workpiece costs. The molten molding material is first fed into the repository space, whose volume corresponds to the volume of the mold cavity. When the injection process starts, the bottom of the piston aligns with the edge of the repository space and with the wall of the mold cavity so that a small amount of molding material melt reaches the mold cavity directly. The piston then slides into the cylinder. The repository space, which continuously becomes larger, is filled with a melted material at almost no pressure. The melt is conveyed into the plastic core until tho supply of the melted molding material is ended. The piston is then retracted, and the mold cavity is thus completely filled with molding material. , WO; WO93/009785, WO; WO93/015719, WO; WO93/019061, WO; WO93/020709, WO; WO93/020711, WO; WO93/025238, WO; WO94/003160, WO; WO95/008993, WO; WO95/011667, WO; WO95/022962, WO; WO95/028918, WO; WO96/001874, WO; WO96/010995, WO; WO96/016664, WO; WO96/029058, WO; WO96/030011, WO; WO96/033700, WO; WO96/035413, WO; WO96/035516, WO; WO97/002038, WO; WO97/009967, WO; WO97/015191, WO; WO97/016172, WO; WO97/018839, WO; WO97/023564, WO; WO97/025979, WO; WO97/034580, WO; WO97/037638, WO; WO97/049301, WO; WO98/006260, WO; WO98/017126, WO; WO98/020861, WO; W0 98/21203, WO; WO98/030341, WO; WO98/030345, WO; WO98/043673, WO; WO98/055148, WO; WO99/002135, WO; WO99/003449, WO; WO99/007347, WO; WO99/008658, WO; WO99/010017, WO; WO99/018938, WO; WO99/020261, WO; WO99/020271, WO; WO99/022769, WO; WO99/024020, WO; WO99/038495, WO; WO99/043343, WO; WO99/049835, WO; WO99/049895, WO; WO99/051089, WO; WO99/053899, WO; WO99/055313, WO; WO99/056761, WO; WO 00/01370, WO; WO 00/10538, WO; WO 00/18374, WO; WO 00/28974, WO; WO 00/45794, WO; WO 01/26633, WO; WO 00/74655, WO; WO 01/03677, WO; WO 01/32150, WO; WO 01/32152, WO; WO 02/43694, WO
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이 특허에 인용된 특허 (5)
Dumortier ; Thierry M., Device for the fabrication of hollow plastic bodies, and the hollow bodies fabricated by means of this device.
Goris Joost (Edegem BEX) Peeters Guido (Antwerp BEX) Den Uijl Hendrik (Vianen NLX), Method for forming an object of thermosetting synthetic material in a mould.
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