Moulding device for the manufacture of thermoplastic containers by blow moulding or stretch-blow moulding
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United States of America Patent
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Feb 1, 2011
Grant Date -
Oct 16, 2008
app pub date -
Apr 11, 2008
filing date -
Apr 13, 2007
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Device for moulding thermoplastic containers by the blow moulding of preforms, comprising a mould (1) and a blowing assembly (2) with a nozzle (16) that can move axially between a raised position and a blowing position in fluid connection with a preform supported in the cavity of the mould. The half-moulds (3a, 3b) of the mould bear respective parts (Aa, Ab) together forming a male element (A) bordered by a wall (12) inclined towards the nozzle. The blowing assembly bears a female element (B) formed by a clamp (26) having an internal wall (30) complementary to the wall of the protuberance. In the blowing position, the cooperation between the male and female elements (A, B) locks the upper part of the closed mould.
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