| 摘要 |
Self-emptying packaging for fluid, paste-alike and powdery products, with as characteristic feature that it consists of flexible material and contains at least one closed product chamber (1) in which the fluid, viscous, paste-alike or powdery product is packed, a connector (5) provided on the said product chamber (1) for emptying and possibly filling of this chamber, a closed pressure chamber (3) in contact with the said product chamber (1), and at least a pressurizing device for pressurizing the said pressure chamber (3) to exert a pressure on the product chamber (1) to empty the latter via the said connector (5) of the product chamber. A control device on the connector (5), or valve on the said product chamber (1), for emptying of this product chamber (1) with exact metering system, or doses. |
