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News

A thick yet crystal-clear cap for S.T. Dupont

Du Pont Engineering Polymers : 31 October, 2003  (Company News)
For their eau de toilette spray
Since the thick, soberly-designed cap is almost 3 cm wide in some places, all of the a remarkable qualities of Surlyn® were needed to extend the transparency of the glass and the clarity of the pure, crystal-clear eaux de toilette to the very top of the bottle. One particular detail that enhances the cap’s attractiveness, but adds to the manufacturing difficulties, is that the spray pump is off-centre, resulting in quite large differences in thickness from one side of the cap to the other.

To produce a complex part like this without any sink-marks, the moulding company, Codiplas, needed to employ great expertise. Despite the complexity of the part, Mr. Pinard, founder and director of the company, says that, in this particular case, he was able to eliminate the water-cooling stage and gain in productivity.
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