Patent ID: 8464502

Claim:
A packaging device for packing stacked soft hygienic products into a plastic bag made of an endless film, said packaging device comprising: i) a stack forming unit for bundling products into a stack, ii) a stack transport unit for supplying the formed stack to iii) a wrapping station, the wrapping station including a supply tunnel through which the formed stacks are delivered to the wrapping station in a row, a film feed for feeding the film from a film stock, a funnel-shaped forming shoulder arranged around the supply tunnel with a substantially rectangular cross section design, over which the fed film is drawn to guide the film onto the supply tunnel and to form a tube-like film envelope around the stacks leaving the supply tunnel, iv) a machine direction sealing unit for sealing the longitudinally running edges of the tube-like film envelope, and v) a cross direction sealing unit for forming and sealing the crosswise running edges of the tube-like film envelope for each plastic bag simultaneously separating the sequenced bags, wherein vi) the funnel-shaped forming shoulder has an asymmetric shape to guide the longitudinally running edges of the film to align with one longitudinal corner of the supply tunnel and the stacks, respectively, and vii) the machine direction sealing unit is located in the vicinity of said longitudinal corner to produce a machine direction seal at the plastic bag running along a longitudinal closure corner of each plastic bag.