Tube head provided with an air non-return grid
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United States of America Patent
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Issued Date -
Aug 16, 2012
app pub date -
Feb 16, 2011
filing date -
Feb 16, 2011
priority date (Note) -
Abandoned
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Abstract
The present invention relates to a tube head for product of fluid to pasty consistency comprising
- a neck having at a first end an opening through which the product is extracted from the tube,a shoulder connected to a second end of the neck opposite the first end, and the tube head comprising an air non-return means placed in said neck, said means being adapted to avoid a return of air from the first end of the neck to the second end of the neck, characterised in that the tube head is one piece.
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