Abstract: A method for producing an absorbent structure for absorbent sanitary articles, comprising the steps of: advancing a first non-woven layer at a first speed, with a first surface of said first non-woven layer facing a suction chamber, distributing superabsorbent granular material on a second surface of said first non-woven layer opposite to said first surface, volumizing said first non-woven layer by means of a toothed portion that penetrates into said first non-woven layer through said second surface and movable with respect to said first non-woven layer with a speed difference.

Abstract: A method for automatically replacing reels in an unwinding assembly capable of carrying out the handling operations of the reels, as well as preparing and joining the tail of the web of the finished reel with the head of the web of the new reel in a simple, efficient way, reducing the risk of malfunctions and maintaining the correct orientation of the new web as that of the finished web.

Abstract: An unwinding assembly comprising first and second unwinding and handling units comprising respective robots having respective wrists movable under the control of at least one electronic control unit, wherein each of said unwinding and handling units comprises a respective unwinding device mounted on the wrist of the respective robot. The present invention also relates to an unwinding and handling unit capable of handling the reel carried by it with high freedom of movement, while maintaining small dimensions.

Abstract: A method for producing an absorbent structure for absorbent sanitary articles, comprising the steps of: advancing a first non-woven layer at a first speed, with a first surface of said first non-woven layer facing a suction chamber, distributing superabsorbent granular material on a second surface of said first non-woven layer opposite to said first surface, volumizing said first non-woven layer by means of a toothed portion that penetrates into said first non-woven layer through said second surface and movable with respect to said first non-woven layer with a speed difference.

Abstract: A method for producing an absorbent structure for absorbent sanitary articles, comprising the steps of: advancing a first non-woven layer at a first speed, with a first surface of said first non-woven layer facing a suction chamber, distributing superabsorbent granular material on a second surface of said first non-woven layer opposite to said first surface, volumizing said first non-woven layer by means of a toothed portion that penetrates into said first non-woven layer through said second surface and movable with respect to said first non-woven layer with a speed difference.

Abstract: A prefastened, refastenable pant and methods and apparatus for preparing the same are provided. The pant comprises a chassis having a leading and trailing edge, and first and second lateral edges, wherein the chassis is folded-over along a transverse fold line orthogonal to the first and second lateral edges of the chassis. A pair of first side panels may be attached to the chassis proximal one of the leading and trailing edge of the chassis, each comprising a first fastening component. A pair of second side panels may be attached to the chassis proximal another of the leading and trailing edge of the chassis, each comprising a second fastening component. Each of the pair of first side panels is detachably secured to the chassis and the first fastening components and second fastening components are refastenably engaged between the first and second lateral edges of the chassis.

Abstract: An unwinding assembly comprising first and second unwinding and handling units comprising respective robots having respective wrists movable under the control of at least one electronic control unit, wherein each of said unwinding and handling units comprises a respective unwinding device mounted on the wrist of the respective robot. The present invention also relates to an unwinding and handling unit capable of handling the reel carried by it with high freedom of movement, while maintaining small dimensions.

Abstract: A method for automatically replacing reels in an unwinding assembly capable of carrying out the handling operations of the reels, as well as preparing and joining the tail of the web of the finished reel with the head of the web of the new reel in a simple, efficient way, reducing the risk of malfunctions and maintaining the correct orientation of the new web as that of the finished web.

Abstract: A method for producing an absorbent structure for absorbent sanitary articles, comprising the steps of: advancing a first non-woven layer at a first speed, with a first surface of said first non-woven layer facing a suction chamber, distributing superabsorbent granular material on a second surface of said first non-woven layer opposite to said first surface, volumizing said first non-woven layer by means of a toothed portion that penetrates into said first non-woven layer through said second surface and movable with respect to said first non-woven layer with a speed difference.

Abstract: Pre-fastened and refastenable pant-type absorbent sanitary article, comprising: a central body having two opposite side edges and including: a topsheet having an inner surface, a backsheet, and an absorbent core sandwiched between the topsheet and the backsheet, wherein the topsheet and the backsheet are welded together along a perimeter of the central body, and wherein the central body is folded along a transverse folding line (A) orthogonal to said side edges, at least two side panels extending from respective lateral edges of said central body, each of said side panels having at least one folded portion which extends inwards from the respective side edge and a fastening element of an openable and refastenable fastening device, and at least one strip of sheet material fixed on said inner surface of said topsheet.

Abstract: A prefastened, refastenable pant and methods and apparatus for preparing the same are provided. The pant comprises a chassis having a leading and trailing edge, and first and second lateral edges, wherein the chassis is folded-over along a transverse fold line orthogonal to the first and second lateral edges of the chassis. A pair of first side panels may be attached to the chassis proximal one of the leading and trailing edge of the chassis, each comprising a first fastening component. A pair of second side panels may be attached to the chassis proximal another of the leading and trailing edge of the chassis, each comprising a second fastening component. Each of the pair of first side panels is detachably secured to the chassis and the first fastening components and second fastening components are refastenably engaged between the first and second lateral edges of the chassis.

Abstract: A prefastened, refastenable pant and methods and apparatus for preparing the same are provided. The pant comprises a chassis having a leading and trailing edge, and first and second lateral edges, wherein the chassis is folded-over along a transverse fold line orthogonal to the first and second lateral edges of the chassis. A pair of first side panels may be attached to the chassis proximal one of the leading and trailing edge of the chassis, each comprising a first fastening component. A pair of second side panels may be attached to the chassis proximal another of the leading and trailing edge of the chassis, each comprising a second fastening component. Each of the pair of first side panels is detachably secured to the chassis and the first fastening components and second fastening components are refastenably engaged between the first and second lateral edges of the chassis.

Abstract: Pre-fastened and refastenable pant-type absorbent sanitary article, comprising: a central body having two opposite side edges and including: a topsheet having an inner surface, a backsheet, and an absorbent core sandwiched between the topsheet and the backsheet, wherein the topsheet and the backsheet are welded together along a perimeter of the central body, and wherein the central body is folded along a transverse folding line (A) orthogonal to said side edges, at least two side panels extending from respective lateral edges of said central body, each of said side panels having at least one folded portion which extends inwards from the respective side edge and a fastening element of an openable and refastenable fastening device, and at least one strip of sheet material fixed on said inner surface of said topsheet.

Abstract: A method and apparatus for folding and engaging side panels of a training pant are provided. The training pant comprises a leading portion, a trailing portion, a central portion, and a first pair of side panels and a second pair of side panels attached to the central portion. The central portion of the training pant is folded about a transverse axis to form a folded training pant. Portions of the first pair of side panels and second pair of side panels are engaged while the central portion of the folded training pant is received by at least one recessed seat. The at least one recessed seat is located on at least one of a first belt and a second belt of a conveyance system.

Abstract: A method and apparatus for folding and engaging side panels of a training pant are provided. The training pant comprises a leading portion, a trailing portion, a central portion, and a first pair of side panels and a second pair of side panels attached to the central portion. The central portion of the training pant is folded about a transverse axis to form a folded training pant. Portions of the first pair of side panels and second pair of side panels are engaged while the central portion of the folded training pant is received by at least one recessed seat. The at least one recessed seat is located on at least one of a first belt and a second belt of a conveyance system.

Abstract: A conveyor device (10) for conveying a material (M) through a treatment station (101) where the material (M) is subjected to a laser treatment (12) capable of leaving contamination residues on the conveyor (10). The conveyor (10) outlines a closed loop trajectory passing through, after removing the treated material (M), two brushing stations (103, 106) where the surface of the conveyor (10) is subjected to brushing with a washing station (104) interposed where the conveyor (10) is subjected to washing through the projection (1040, W) of washing liquid.

Abstract: A method and apparatus for folding and engaging side panels of a training pant are provided. The training pant comprises a leading portion, a trailing portion, a central portion, and a first pair of side panels and a second pair of side panels attached to the central portion. The central portion of the training pant is folded about a transverse axis to form a folded training pant. Portions of the first pair of side panels and second pair of side panels are engaged while the central portion of the folded training pant is received by at least one recessed seat. The at least one recessed seat is located on at least one of a first belt and a second belt of a conveyance system.

Abstract: A device for cutting, using laser beams (B1, B2), a material (A) such as a material for manufacturing sanitary products comprises a supporting formation for the material (A), such as a motor-driven belt, including a net (72) for supporting said material (A) in a position corresponding to the area of cutting where the laser beam (B1, B2) acts. Typically said net is a wire net, e.g., made of steel, bronze or a combination of the two, to which there is preferentially associated a rotary cleaning brushes (9) and suction and/or air jets systems.

Abstract: A device for making, on a web element (W), which is advancing, a fold along a line of fold (W3) oriented in the direction of advance of the web so as to bring a first portion (W1) and a second portion (W2) of the web element (W), originally situated on opposite sides of the line of fold (W3), to assume a folded configuration, in which the second portion (W2) is turned over on the first portion (W1). The device comprises:—a surface of feed (10) for feeding the first portion (W1) of the web element (W), the surface having an edge (100), which defines the aforesaid line of fold (W3); and—a motor-driven belt conveyor (20), set alongside the surface of feed (10) along the folding edge (100) for conveying the second portion (W2) of the web element (W) subjected to folding; the belt conveyor (20) extends according to a path of twisting around said folding edge (100).

Abstract: A prefastened, refastenable pant and methods and apparatus for preparing the same are provided. The pant comprises a chassis having a leading and trailing edge, and first and second lateral edges, wherein the chassis is folded-over along a transverse fold line orthogonal to the first and second lateral edges of the chassis. A pair of first side panels may be attached to the chassis proximal one of the leading and trailing edge of the chassis, each comprising a first fastening component. A pair of second side panels may be attached to the chassis proximal another of the leading and trailing edge of the chassis, each comprising a second fastening component. Each of the pair of first side panels is detachably secured to the chassis and the first fastening components and second fastening components are refastenably engaged between the first and second lateral edges of the chassis.