Abstract: A method for producing an elastic composite web for an absorbent sanitary article comprising a first corrugated web and a second web connected together, and at least one elastic element entrapped between said first web and said second web. The invention also relates to an elastic composite web for an absorbent sanitary article.

Abstract: A method for producing an elastic composite web for an absorbent sanitary article comprising a first corrugated web and a second web connected together, and at least one elastic element entrapped between said first web and said second web. The invention also relates to an elastic composite web for an absorbent sanitary article.

Abstract: An elastic film including a plurality of parallel elastic ribbons elongated in a longitudinal direction and spaced apart from each other in a transverse direction orthogonal to the longitudinal direction, wherein the elastic ribbons are coated on at least one surface by at least one skin layer which joins the plurality of parallel elastic ribbons to each other.

Abstract: An apparatus for producing sanitary absorbent articles comprising at least one perforating device of at least one web intended for making sanitary absorbent articles capable of making perforated patterns spaced apart along the extension of the web, that is, in phase. The present invention also relates to a perforating process implemented in an apparatus for producing sanitary absorbent articles.

Abstract: An elastic film including a plurality of parallel elastic ribbons elongated in a longitudinal direction and spaced apart from each other in a transverse direction orthogonal to the longitudinal direction, wherein the elastic ribbons are coated on at least one surface by at least one skin layer which joins the plurality of parallel elastic ribbons to each other.

Abstract: A transversally extensible elastic laminar web including a support web having a continuous edge portion sandwiched between two corresponding edge portions of two overlapped webs and a plurality of tabs extending from the edge portion outside the two overlapped webs, wherein each tab has a respective micro-hook pad fixed to a planar surface, and wherein the planar surface of each tab has a portion which completely surrounds the respective micro-hook pad.

Abstract: A transversally extensible elastic laminate including two continuous tab chains having respective continuous base portions sandwiched between two corresponding edge portions of two overlapped webs and a plurality of tabs extending from the respective base portions outside the two overlapped webs, wherein each tab has a respective micro-hook pad fixed to a planar surface, and wherein the planar surface of each tab has a portion which completely surrounds the respective micro-hook pad.

Abstract: An elastic film including a plurality of parallel elastic ribbons elongated in a longitudinal direction and spaced apart from each other in a transverse direction orthogonal to the longitudinal direction, wherein the elastic ribbons are coated on at least one surface by at least one skin layer which joins the plurality of parallel elastic ribbons to each other.

Abstract: An absorbent sanitary article includes a fluff absorbent core having at least one through aperture, a fluff-free absorbent core, and an acquisition and diffusion layer set between the fluff absorbent core and the fluff-free absorbent core and overlapping the at least one through aperture.

Abstract: A transversally extensible elastic laminar web including a support web having a continuous edge portion sandwiched between two corresponding edge portions of two overlapped webs and a plurality of tabs extending from the edge portion outside the two overlapped webs, wherein each tab has a respective micro-hook pad fixed to a planar surface, and wherein the planar surface of each tab has a portion which completely surrounds the respective micro-hook pad.

Abstract: A transversally extensible elastic laminate including two continuous tab chains having respective continuous base portions sandwiched between two corresponding edge portions of two overlapped webs and a plurality of tabs extending from the respective base portions outside the two overlapped webs, wherein each tab has a respective micro-hook pad fixed to a planar surface, and wherein the planar surface of each tab has a portion which completely surrounds the respective micro-hook pad.

Abstract: A method for producing an elastic composite web for an absorbent sanitary article comprising a first corrugated web and a second web connected together, and at least one elastic element entrapped between said first web and said second web. The present invention also relates to an elastic composite web for an absorbent sanitary article.

Abstract: An apparatus for producing sanitary absorbent articles comprising at least one perforating device of at least one web intended for making sanitary absorbent articles capable of making perforated patterns spaced apart along the extension of the web, that is, in phase. The present invention also relates to a perforating process implemented in an apparatus for producing sanitary absorbent articles.

Abstract: A composite tape comprising a first web and a second web welded together according to a welding pattern comprising a plurality of welding points arranged in arrays extending along a first direction and spaced apart in a second direction, perpendicular to said first direction, with adjacent arrays offset from each other in said first direction, and with said welding points in each array arranged in groups spaced apart in said first direction, wherein the first web has a plurality of hollow protrusions alternating with welding points, both in said first direction and in said second direction, and wherein the second web has a plurality of ribs extending along said first direction and separated from each other by said arrays of welding points.

Abstract: A transversely extensible elastic laminar web material comprising a first and a second web material each of which defines a first and a second distal region adjacent to corresponding longitudinal side edges and a central region between the aforesaid distal regions, at least one web of elastomeric material applied to these central regions of the first and second web materials and a plurality of connection formations applied to at least one distal region of said first and second web materials and projecting from a respective longitudinal edge. In the transversely extensible elastic laminar web material, the elastomeric web material and the connection formations are interposed between said first and second web materials and are joined thereto by mechanical welds.

Abstract: A method for producing a backsheet for absorbent sanitary articles provided with hook-and-loop fasteners, comprising the steps of: advancing a continuous web of fibrous material without support at a first speed, cutting the continuous web of fibrous material in a transverse direction so as to form sections of fibrous material, accelerating the sections of fibrous material at a second speed greater than said first speed, welding said sections of fibrous material spaced apart at constant intervals onto a continuous non-woven support web advancing at said second speed, so as to convert said sections of fibrous material into frontal tapes of loop-material for hook-and-loop fasteners, and fixing a continuous impermeable film to said continuous non-woven support web with said frontal tapes of loop-material, so as to form a continuous backsheet web provided with frontal tapes of loop-material spaced apart at constant intervals.

Abstract: A method for producing a composite elastic tape, comprising the steps of providing an elastic material having a maximum elastic elongation (Emax), in a direction, of between 600% and 1500%, preferably between 700% and 1200%, more preferably between 800% and 1000%, elastically stretching said elastic material in said direction by an elongation value between 10% and 50%, preferably between 10% and 30% of the maximum elastic elongation (Emax), providing at least one sheet of fibrous material, attaching said elastic material, elongated by said elongation value, to said at least one sheet of fibrous material in an undeformed state.

Abstract: A transversely extensible elastic laminar web material comprising a first and a second web material each of which defines a first and a second distal region adjacent to corresponding longitudinal side edges and a central region between the aforesaid distal regions, at least one web of elastomeric material applied to these central regions of the first and second web materials and a plurality of connection formations applied to at least one distal region of said first and second web materials and projecting from a respective longitudinal edge. In the transversely extensible elastic laminar web material, the elastomeric web material and the connection formations are interposed between said first and second web materials and are joined thereto by mechanical welds.

Abstract: A composite tape comprising a first web and a second web welded together according to a welding pattern comprising a plurality of welding points arranged in arrays extending along a first direction and spaced apart in a second direction, perpendicular to said first direction, with adjacent arrays offset from each other in said first direction, and with said welding points in each array arranged in groups spaced apart in said first direction, wherein the first web has a plurality of hollow protrusions alternating with welding points, both in said first direction and in said second direction, and wherein the second web has a plurality of ribs extending along said first direction and separated from each other by said arrays of welding points.

Abstract: A method for producing a backsheet for absorbent sanitary articles provided with hook-and-loop fasteners, comprising the steps of: advancing a continuous web of fibrous material without support at a first speed, cutting the continuous web of fibrous material in a transverse direction so as to form sections of fibrous material, accelerating the sections of fibrous material at a second speed greater than said first speed, welding said sections of fibrous material spaced apart at constant intervals onto a continuous non-woven support web advancing at said second speed, so as to convert said sections of fibrous material into frontal tapes of loop-material for hook-and-loop fasteners, and fixing a continuous impermeable film to said continuous non-woven support web with said frontal tapes of loop-material, so as to form a continuous backsheet web provided with frontal tapes of loop-material spaced apart at constant intervals.