| 摘要 |
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. |
