| 摘要 |
Compensation device inside containers of liquid products. The invention relates to a device making it possible to expel the air which enters the upper part of containers as they are being emptied. It is characterised in that the inflatable element 4, made from elastic material, securely fastened to the top 5, which carries the valve 7, is topped by the removable pump 8. A second valve 10 enables the residual air to be discharged, in case the container has not been filled completely. The device according to the invention is mainly suitable for containers of alterable products whose conservation requires the use of chemical products. It is easy to use and inexpensive. <IMAGE>
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