| 摘要 |
Successive containers are filled with liquid during advancement along an elongated path wherein the containers are internally pressurized prior, during and subsequent to admission of liquid. The containers are labelled and/or imprinted and sealed while their internal spaces are maintained above atmospheric pressure. The filling apparatus has an annulus of discrete filling devices which are located above and register with discrete containers in the course of the filling operation and each of which is associated with a discrete container sealing unit. Each filling device has a centering sleeve which engages the external surface of a container beneath the open upper end of the container and seals the inlet of the container from the atmosphere during pressurizing, filling, labelling, imprinting and sealing. The labelling and/or imprinting units act upon the containers during filling, and the sealing units apply closures to freshly filled containers while the inlets of such containers are still sealed from the atmosphere by the respective centering sleeves.
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