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Method and apparatus for moulding coloured plastic shells and joining them together with a narrow strip of a matching colour
Method and apparatus for moulding coloured plastic shells and joining them together with a narrow strip of a matching colour
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机译:模制有色塑料壳并将它们与匹配颜色的窄条连接在一起的方法和设备
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摘要
Apparatus and a process for manufacturing pin-stripe or common color thin-walled hollow shells for parts such as automobile door panels, controls and instrument panels, from dry thermo-plastic powders include a powder box divider to form two or more compartments in a powder charge box and means for joining the charge box divider end-to-end with a mold separation edge on an open-ended heated mold for separating the mold into two or more sections; each compartment of the charge box has a different color powder. The charge box and mold are joined and then are rotated so that the powder is distributed into each mold section by gravity flow. Thereafter a third powder is distributed against an exposed division surface on the mold separation edge so as to form a pin stripe or common color for bonding prior cast multi-coloured sections of a resultant shell of cured material.
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