Abstract: A method of making single-dose capsules, comprising cutting transverse flat areas of a water-soluble tape by a rotating knife roller and an anvil.

Abstract: A dosing unit for a machine for producing unit dose articles includes a plurality of nozzles carried by respective movable elements and associated to fluid delivery lines, and a plurality of controlled valves associated to respective actuators and arranged for selectively opening and closing a passage of fluid through said fluid delivery lines.

Abstract: A dosing unit for a machine for producing unit dose articles includes a plurality of nozzles carried by respective movable elements and associated to respective dosing chambers, a plurality of plungers reciprocally movable into respective dosing chambers between respective retracted and advanced positions, and a rotary fluid distributor including at least one stationary inlet and a plurality of movable outlets fluidically connected to the respective dosing chambers.

Abstract: A dosing apparatus for a machine for producing unit dose articles including first and second dosing units each having: a nozzle support body carrying a plurality of nozzles, and a movement control unit configured for moving the respective nozzle support body along a closed-loop path, wherein the movement control units of the first and second dosing units are configured for moving the respective nozzle support bodies independently of each other along the closed-loop path.

Abstract: A dosing unit for a machine for producing unit dose articles includes a plurality of nozzles carried by respective movable elements and associated to fluid delivery lines, and a plurality of controlled valves associated to respective actuators and arranged for selectively opening and closing a passage of fluid through said fluid delivery lines.

Abstract: A dosing unit for a machine for producing unit dose articles includes a plurality of nozzles carried by respective movable elements and associated to respective dosing chambers, a plurality of plungers reciprocally movable into respective dosing chambers between respective retracted and advanced positions, and a rotary fluid distributor including at least one stationary inlet and a plurality of movable outlets fluidically connected to the respective dosing chambers.

Abstract: A guiding device of an apparatus for producing sanitary articles for applying at least one thread onto a substrate intended for producing these sanitary articles, in which said guiding device is able to guide the thread quickly, accurately, and stably without being subject to wear and contamination problems, while ensuring reduced energy consumption. The present invention also relates to a method for applying a thread onto a substrate intended to produce sanitary articles.

Abstract: A method for producing absorbent sanitary articles, including: advancing in a machine direction a continuous composite tape comprising a first elastic band and a second elastic band, folding said continuous composite tape around a longitudinal axis parallel to the machine direction, cutting second connection zones of the second elastic band with two cuts spaced apart from each other, removing scrap portions of the second elastic band between said cuts, cutting first connection zones of the first elastic band, and folding in opposite directions portions of the first connection zone and overlapping end edges of the first connection zone to corresponding end edges of the second connection zone.

Abstract: A guiding device of an apparatus for producing sanitary articles for applying at least one thread onto a substrate intended for producing these sanitary articles, in which said guiding device is able to guide the thread quickly, accurately, and stably without being subject to wear and contamination problems, while ensuring reduced energy consumption. The present invention also relates to a method for applying a thread onto a substrate intended to produce sanitary articles.

Abstract: A guiding device of an apparatus for producing sanitary articles for applying at least one thread onto a substrate intended for producing sanitary articles, wherein said guiding device is able to guide the thread quickly, accurately, and stably without being subject to wear and contamination problems, while ensuring reduced energy consumption. The present invention also relates to a method for applying a thread onto a substrate intended to produce sanitary articles.

Abstract: An apparatus for the transverse welding of a tape traveling in a machine direction, comprising: a stationary structure, a rotary structure rotatable with respect to the stationary structure about a rotation axis perpendicular to said machine direction, a plurality of welding units carried by said rotary structure and spaced apart in a circumferential direction, wherein each of said welding units comprises an inner welding element fixed relative to the rotary structure and an outer welding element cyclically movable with respect to the rotary structure between a release position and an operative position, and vice versa, wherein each of said outer welding elements during the movement from said release position to said operative position, and vice versa, performs an angular rotation movement about a respective radial axis perpendicular to said rotation axis, and a linear translation movement along said radial axis.

Abstract: A method for producing absorbent sanitary articles, including: advancing in a machine direction a continuous composite tape comprising a first elastic band and a second elastic band, folding said continuous composite tape around a longitudinal axis parallel to the machine direction, cutting second connection zones of the second elastic band with two cuts spaced apart from each other, removing scrap portions of the second elastic band between said cuts, cutting first connection zones of the first elastic band, and folding in opposite directions portions of the first connection zone and overlapping end edges of the first connection zone to corresponding end edges of the second connection zone.

Abstract: An apparatus for the transverse welding of a tape traveling in a machine direction, comprising: a stationary structure, a rotary structure rotatable with respect to the stationary structure about a rotation axis perpendicular to said machine direction, a plurality of welding units carried by said rotary structure and spaced apart in a circumferential direction, wherein each of said welding units comprises an inner welding element fixed relative to the rotary structure and an outer welding element cyclically movable with respect to the rotary structure between a release position and an operative position, and vice versa, wherein each of said outer welding elements during the movement from said release position to said operative position, and vice versa, performs an angular rotation movement about a respective radial axis perpendicular to said rotation axis, and a linear translation movement along said radial axis.