| 摘要 |
This device comprises: a shaping member (4) comprising: a female part that includes a recessed region (12), fastened to means for translation along a first direction, and provided near its edges (14) with suckers (13) or equivalent systems, which are intended to receive the sheet of flexible material taken from the storage magazine, and also including at least one jaw (15) hinged to said edge or edges (14), intended to define at least partly with the recessed region (12) the desired shape when it is actuated and especially to define the envelope of the package to be produced; a male part, consisting of a sleeve or mandrel (18) complementary in shape to the internal shape of the female part and capable of undergoing a translational movement in a direction perpendicular to said first direction, so as to be positioned level with the female part and to cooperate with the latter; and a member (31) for fastening together the two edges of the sheet of flexible material after shaping, that is to say after cooperation of the male part with the female part. The invention also relates to an installation for producing such a device and to a process implemented by this installation. |
