7937. Baudry, P. L. April 1, 1913, [Convention date]. Bottling; stoppering.- In a process and apparatus for bottling natural mineral waters, a bottle, filled with carbonic acid, is placed under the rubber mouthpiece of the filling- head of a bottling and stoppering machine, which filling-head can be placed, by means of a cock, either in communication with the spring or source of mineral water or with a vacuum chamber. In operation, the bottle is connected first through the filling - head to the vacuum chamber, so that on admitting the mineral water it does not come into contact with a large quantity of carbonic acid. In the apparatus shown, a constant flow of water is established from the spring 251 by a pipe 24, 27 to a basin 26 at a lower level. The filling-head 9 is connected to the pipe 24 by a three-way cock 23, siphon 20, and cock 16, and by a cock 8 and pipe 21 to the vacuum chamber 22. The long limb of the siphon 20 is sufficiently long to contain a quantity of water which will fill one bottle. Within the siphon is a check valve 28 adapted to close towards the supply end under the action of back pressure from the opposite end. The bottles are transferred from the filling-head 9 to the stoppering-head 30 by a swing table 25, the path traversed by the bottle being covered by a bell in which an atmosphere of carbonic acid is maintained. In the case of waters which contains little gas, the pipe 24 may terminate at the filling-head, the basin 26 and pipe 27 being dispensed with. The atmospheric pressure would ensure the filling of the bottle, and the gas or vapour disengaged from the water and collecting in the filling-head would be extracted by the vacuum chamber.
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