Blowing plant comprising a nozzle provided with a lip sealing joint
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United States of America Patent
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Apr 12, 2011
Grant Date -
Jun 17, 2010
app pub date -
Jul 13, 2006
filing date -
Aug 12, 2005
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to a plant (10) for blowing a pressure medium in a blank (12), which comprises a mould (12) which is used for receiving the blank (12) and comprises a top wall (24) trough which the neck (16) of the blank (12) is projected, a nozzle (22) which comprises a pressure medium lower output orifice (34) and is provided with an ring sealing joint (40) arranged under the lower circumference (44) of said output orifice (34) in such a way that the circumference (44) of the output orifice (34) surrounds the neck (16) of the blank (12). Said invention is characterised in that the sealing joint (40) is provided with a lower elastic annular lip (48) in such a way that the pressure medium rests on the top face (54) of said lip (48) for pressing the free annular lower edge (58) thereof against a supporting wall (18, 24), thereby ensuring the tightness of the nozzle (22).
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Cited Art Landscape
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