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Thermoplastic paraison and method for blow moulding a hollow article from such a paraison
Thermoplastic paraison and method for blow moulding a hollow article from such a paraison
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机译:热塑性异型坯和由该异型坯吹塑中空制品的方法
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摘要
The preform (1) for the production of hollow articles by blow-moulding possesses a profiled false neck (4) provided with a circular toothed collar (6), and during the thermal conditioning of the preform for the purpose of final blowing, the preform, held loosely by idling holding rollers (8) (9) at the level of the profiling of its false neck (4), is caused to rotate about its longitudinal axis by a toothed drive member (13) which cooperates with the circular toothed collar (6).
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