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Mould and moulding method, notably for reaction injection moulding, in particular of an optical element in polymer material
Mould and moulding method, notably for reaction injection moulding, in particular of an optical element in polymer material
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机译:尤其用于反应注射成型的模具和成型方法,特别是用于聚合物材料中的光学元件的反应注射成型
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摘要
The mold has a circular shaped molding cavity (10) having a geometrical center and a main plane (XX, D1), and a sprue base (11), having a longitudinal axis (YY), injecting a liquid polymerizable composition in the cavity. The base has a molding sill (12) in communication with the cavity by a supplying connection (20). The longitudinal axis and the center define a plane orthogonal to the main plane, where the axis makes an angle, from zero to fifteen degrees, with the main plane of the cavity. An independent claim is also included for a method for reaction injection molding of a part e.g. optical component such as an ophthalmic lens, using a mold.
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