Patent application number | Description | Published |
20080224351 | Method and Apparatus for Incrementally Stretching a Web - A method and apparatus is provided which uses activation members for incrementally stretching a web at a low strain rate. The activation members include an activation belt and a single activation member wherein the activation belt and single activation member comprise a plurality of teeth and grooves that complement and engage one another at a depth of engagement in a deformation zone. The depth of engagement can be controlled to increase linearly over at least a portion of the deformation zone such that a web interposed between the activation belt and the single activation member in the deformation zone is incrementally stretched at a low rate of strain. | 09-18-2008 |
20090030390 | Absorbent article - An absorbent article having a topsheet having a first portion and a second portion. The topsheet has a longitudinal centerline and a transverse centerline. The topsheet has an area. The second portion can differ in structure from the first portion. The second portion can have a structurally modified zone. The structurally modified zone has a periphery, a length, and a long axis. The length is the maximum straight-line dimension between two points on the periphery. The long axis extends between two points on the periphery separated by the length. The long axis of the structurally modified zone can be asymmetric to the longitudinal centerline. The structurally modified zone can make up more than about 5% of the area of the topsheet. The topsheet can have a lotion zone, the long axis of which is asymmetric to the longitudinal centerline and the transverse centerline. | 01-29-2009 |
20090030391 | Absorbent article - An absorbent article having a topsheet having a first portion and a second portion. The topsheet has a longitudinal centerline and a transverse centerline. The topsheet has an area. The second portion can differ in structure from the first portion. The second portion can have a structurally modified zone. The structurally modified zone has a periphery, a length, and a long axis. The length is the maximum straight-line dimension between two points on the periphery. The long axis extends between two points on the periphery separated by the length. The long axis of the structurally modified zone can be asymmetric to the longitudinal centerline. The structurally modified zone can make up more than about 5% of the area of the topsheet. The topsheet can have a lotion zone, the long axis of which is asymmetric to the longitudinal centerline and the transverse centerline. | 01-29-2009 |
20100201024 | Method for Making an Apertured Web - A method for making apertures in a precursor web using a forming apparatus is provided where the web comprises a film having molecular orientation and the forming apparatus comprises an arrangement of teeth. The orientation of the arrangement of teeth and the molecular orientation of the film are predetermined and modified to provide a relative angle between the orientation of the teeth and the molecular orientation of the film. Apertures formed in the precursor web material have a length and width exhibiting a minimal aspect ratio. | 08-12-2010 |
20110184331 | TAMPON HAVING A SCOURED WITHDRAWAL STRING - Feminine hygiene devices having a withdrawal string comprising one or more scoured synthetic fibers are provided. The feminine hygiene device can include a body having an insertion end, a withdrawal end, a longitudinal axis, and a withdrawal string extending from the withdrawal end. The withdrawal string can comprise one or more scoured synthetic fibers. | 07-28-2011 |
20110260371 | Method of Producing a Web Substrate Having Activated Color Regions in Deformed Regions - The present invention relates to a method of producing activated color regions in a web substrate where activated color regions are formed coinciding with deformed regions. The method includes providing a web substrate having an activatable colorant and producing a first activated color region therein. The web substrate is mechanically deformed to produce at least one deformed region in the first activated color region such that a second activated color region is produced coinciding with the at least one deformed region. | 10-27-2011 |
20110264064 | Web Substrate Having Activated Color Regions in Deformed Regions - The present invention relates to a web substrate comprising an activatable colorant and at least one deformed region. A first activated color region is produced in the web substrate upon exposure to a first external stimulus and a second activated color region is produced within the first activated color region upon exposure to a second external stimulus. The second activated color region coincides with the deformed region. | 10-27-2011 |
20120003345 | Method and Apparatus for Incrementally Stretching a Web - A method and apparatus is provided which uses activation members for incrementally stretching a web at a low strain rate. The activation members include an activation belt and a single activation member wherein the activation belt and single activation member comprise a plurality of teeth and grooves that complement and engage one another at a depth of engagement in a deformation zone. The depth of engagement can be controlled to increase linearly over at least a portion of the deformation zone such that a web interposed between the activation belt and the single activation member in the deformation zone is incrementally stretched at a low rate of strain. | 01-05-2012 |
20120064298 | Method for Deforming a Web - Methods for forming discrete deformations in web materials are disclosed. In some embodiments, the method involves feeding a web into an apparatus having nips that are formed between intermeshing rolls. The apparatus may be in the form of nested or other arrangements of multiple rolls, in which the web is maintained in substantial contact with at least one of the rolls throughout the process, and at least two of the rolls define two or more nips thereon with other rolls. In some embodiments, rolls can be used to expose a different side of the web for a subsequent deformation step. In these or other embodiments, the rolls can be used to transfer the web between rolls in such a manner that it may offset the rolls and/or web so that subsequent deformations are formed at a different cross-machine direction location than prior deformations. | 03-15-2012 |
20120242009 | Method of producing color change in a substrate - The present invention relates to a method of producing color change in a substrate. The substrate includes an activatable colorant and a region that is heated prior to activating the activatable colorant. The substrate is exposed to electromagnetic radiation producing a first activated color region in the heated region and a second activated color region in a non heated region. The first activated color region appears in a different shade than the second activated color region. | 09-27-2012 |
20120273990 | Method and Apparatus for Making an Apertured Web - A method for making apertures in a web comprising providing a precursor web material; providing a pair of counter-rotating, intermeshing rollers, wherein a first roller comprises circumferentially-extending ridges and grooves, and a second roller comprises teeth being tapered from a base and a tip, the teeth being joined to the second roller at the base, the base of the tooth having a cross-sectional length dimension greater than a cross-sectional width dimension; and moving the web material through a nip of the counter-rotating, intermeshing rollers; wherein apertures are formed in the precursor web material as the teeth on one of the rollers intermesh with grooves on the other of the rollers. | 11-01-2012 |
20120276238 | Apparatus for Deforming a Web - Apparatuses for forming discrete deformations in web materials are disclosed. The apparatus may be in the form of nested or other arrangements of multiple rolls, in which the web is maintained in substantial contact with at least one of the rolls throughout the process, and at least two of the rolls define two or more nips thereon with other rolls. In some embodiments, rolls can be used to expose a different side of the web for a subsequent deformation step. In these or other embodiments, the rolls can be used to transfer the web between rolls in such a manner that it may offset the rolls and/or web so that subsequent deformations are formed at a different cross-machine direction location than prior deformations. | 11-01-2012 |
20120276331 | CORRUGATED AND APERTURED WEB - Corrugated and apertured web materials are disclosed. More specifically, the webs comprise alternating ridges and grooves, wherein apertures are located in the grooves. In one embodiment, a web comprises alternating ridges and grooves as well as alternating regions of lower basis weight and higher basis weight. The higher basis weight regions are located in the ridges and grooves and the lower basis weight regions are located in the sidewalls between the ridges and grooves. The higher basis weight regions located in the grooves comprise apertures. The apertures have greater open area than previous apertures in similar webs. | 11-01-2012 |
20120276341 | Method and Apparatus for Deforming a Web - Methods and apparatuses for deforming a web are disclosed. In one embodiment, the method involves feeding a web into a nip that is formed between at least two intermeshing rolls. The rolls are configured for deforming a web with at least two sets of deformations that are oriented in different directions relative to the surfaces of the web. | 11-01-2012 |
20120282436 | APPARATUS AND PROCESS FOR APERTURING AND STRETCHING A WEB - Apparatuses and processes for aperturing and stretching a web are disclosed. In one embodiment, the method involves feeding a web into a nip that is formed between at least one pair of intermeshing rolls. The first roll is a raised ridge rotary knife aperturing roll and the second roll is a ring roll; both rolls comprise ridges and grooves. The first roll comprises a plurality of spaced-apart teeth extending outwardly from the top surface of the ridges, said teeth having tips, wherein the top surface of said ridges are disposed between the tips of said teeth and the bottom surface of said grooves. These apparatuses and processes enable a web to be formed which comprises apertures having greater open area than previously achievable with traditional processes and apparatuses. | 11-08-2012 |
20120295060 | Method And Apparatus For Making An Apertured Web - A method for making apertures in a web comprising providing a precursor web material; providing a pair of counter-rotating, intermeshing rollers, wherein a first roller comprises circumferentially-extending ridges and grooves, and a second roller comprises teeth being tapered from a base and a tip, the teeth being joined to the second roller at the base, the base of the tooth having a cross-sectional length dimension greater than a cross-sectional width dimension; and moving the web material through a nip of the counter-rotating, intermeshing rollers; wherein apertures are formed in the precursor web material as the teeth on one of the rollers intermesh with grooves on the other of the rollers. | 11-22-2012 |
20130082418 | Method and Apparatus for Incrementally Stretching a Web - A method and apparatus is provided which uses activation members for incrementally stretching a web at a low strain rate. The activation members include an activation belt and a single activation member wherein the activation belt and single activation member comprise a plurality of teeth and grooves that complement and engage one another at a depth of engagement in a deformation zone. The depth of engagement can be controlled to increase linearly over at least a portion of the deformation zone such that a web interposed between the activation belt and the single activation member in the deformation zone is incrementally stretched at a low rate of strain. | 04-04-2013 |
20140054827 | Method of Producing Color Change in a Substrate - The present invention relates to a method of producing color change in a substrate. The substrate includes an activatable colorant and a region that is heated prior to activating the activatable colorant. The substrate is exposed to electromagnetic radiation producing a first activated color region in the heated region and a second activated color region in a non heated region. The first activated color region appears in a different shade than the second activated color region. | 02-27-2014 |
20140120323 | Method and Apparatus for Deforming a Web - Methods and apparatuses for deforming a web are disclosed. In one embodiment, the method involves feeding a web into a nip that is formed between at least two intermeshing rolls. The rolls are configured for deforming a web with at least two sets of deformations that are oriented in different directions relative to the surfaces of the web. | 05-01-2014 |
20140239537 | Method for Deforming a Web - Methods for forming discrete deformations in web materials are disclosed. In some embodiments, the method involves feeding a web into an apparatus having nips that are formed between intermeshing rolls. The apparatus may be in the form of nested or other arrangements of multiple rolls, in which the web is maintained in substantial contact with at least one of the rolls throughout the process, and at least two of the rolls define two or more nips thereon with other rolls. In some embodiments, rolls can be used to expose a different side of the web for a subsequent deformation step. In these or other embodiments, the rolls can be used to transfer the web between rolls in such a manner that it may offset the rolls and/or web so that subsequent deformations are formed at a different cross-machine direction location than prior deformations. | 08-28-2014 |
20150209189 | Method and Apparatus for Making an Apertured Web - A method for making apertures in a web comprising providing a precursor web material; providing a pair of counter-rotating, intermeshing rollers, wherein a first roller comprises circumferentially-extending ridges and grooves, and a second roller comprises teeth being tapered from a base and a tip, the teeth being joined to the second roller at the base, the base of the tooth having a cross-sectional length dimension greater than a cross-sectional width dimension; and moving the web material through a nip of the counter-rotating, intermeshing rollers; wherein apertures are formed in the precursor web material as the teeth on one of the rollers intermesh with grooves on the other of the rollers. | 07-30-2015 |
20150283001 | Absorbent Articles Having Zones - The present disclosure is directed, in part, to an absorbent article. The absorbent article comprises a liquid permeable topsheet, a liquid impermeable backsheet, and an absorbent core positioned at least partially intermediate the liquid permeable topsheet and the liquid impermeable backsheet. The liquid permeable topsheet comprises a first zone and a second zone. The first zone comprises a pattern of apertures. At least two apertures of the pattern of apertures have different sizes, shapes, and/or orientations. | 10-08-2015 |
20150283003 | Absorbent Articles Having Zones - The present disclosure is directed, in part, to an absorbent article. The absorbent article comprises a liquid permeable topsheet, a liquid impermeable backsheet, and an absorbent core positioned at least partially intermediate the liquid permeable topsheet and the liquid impermeable backsheet. The liquid permeable topsheet comprise a first zone and a second zone. The first zone comprises a morphological treatment. The morphological treatment comprises a plurality of three-dimensional protrusions extending from a plane of the topsheet. At least some of the three-dimensional protrusions comprise a base forming an opening, an opposed distal portion, and one or more side walls between the base and the distal portion. At least one distance between opposing side wall portions is larger than a width of the opening. | 10-08-2015 |
20150321414 | Method and Apparatus for Deforming a Web - Methods and apparatuses for deforming a web are disclosed. In one embodiment, the method involves feeding a web into a nip that is formed between at least two intermeshing rolls. The rolls are configured for deforming a web with at least two sets of deformations that are oriented in different directions relative to the surfaces of the web. | 11-12-2015 |
20160129626 | METHODS FOR MAKING PATTERNED APERTURED WEBS - A method of producing a patterned apertured web is provided. The method comprises providing a web having a central longitudinal axis. The web comprises a plurality of overbonds extending substantially parallel to the central longitudinal axis. The method comprises conveying the web in a machine direction that is substantially parallel to a direction of extension of the central longitudinal axis of the web. The method comprises stretching the web in a cross-machine direction to cause at least some of the overbonds to at least partially rupture and at least partially form patterned apertures in the web. At least some of the patterned apertures have Absolute Feret Angles, according to the Aperture Test herein, of at least about 20 degrees. At least some of the patterned apertures have an Aspect Ratio, according to the Aperture Test herein, in the range of about 2:1 to about 6:1. | 05-12-2016 |
20160129661 | PATTERNED APERTURED WEBS AND METHODS FOR MAKING THE SAME - A disposable absorbent article having a topsheet, a backsheet, and an absorbent core disposed therebetween is described herein. The topsheet includes an array of apertures and a first array of structures which are disposed adjacent the array of apertures. The array of apertures forms apertured indicia, and the first array of structures forms first structural indicia. The apertured indicia is coordinated with the first structural indicia. | 05-12-2016 |
20160129662 | PATTERNED APERTURED WEBS AND METHODS FOR MAKING THE SAME - A disposable absorbent article having a topsheet, a backsheet, and an absorbent core disposed therebetween is described herein. The topsheet includes an array of apertures and a first array of structures which are disposed adjacent the array of apertures. A first plurality of the array of apertures is disposed generally parallel to a longitudinal axis, a second plurality of apertures has a first Absolute Feret angle, and a third plurality of apertures has a second Absolute Feret angle. The first Absolute Feret angle is different than the second Absolute Feret angle. | 05-12-2016 |
20160129663 | PATTERNED APERTURED WEBS AND METHODS FOR MAKING THE SAME - A disposable absorbent article having a topsheet, a backsheet, and an absorbent core disposed therebetween is described herein. The topsheet includes a first zone disposed between a second zone and a third zone; a first end area and a second end area; and an array of features which includes one of apertures, tufts, ridges, or grooves disposed in the first zone. A plurality of bond sites are disposed in the second and third zones. The plurality of bond sites are configured in a curvilinear manner in at least the first end area or the second end area and mask a boundary of the first zone. | 05-12-2016 |
20160136003 | PRE-STRAINED LAMINATES AND METHODS FOR MAKING THE SAME - A method of forming a three-dimensional laminate for an absorbent article is provided. The method comprises providing a first nonwoven layer, providing a second nonwoven layer, and applying a pre-strain force to the first nonwoven layer or to the second nonwoven layer. The method comprises joining the first nonwoven layer to the second nonwoven layer while the first nonwoven layer or the second nonwoven layer is in a pre-strained condition, and releasing the pre-strain force to form the three-dimensional laminate. | 05-19-2016 |
20160136010 | ABSORBENT ARTICLES COMPRISING GARMENT-FACING LAMINATES - An absorbent article is provided. The absorbent article comprises a liquid permeable topsheet on a wearer-facing side of the absorbent article and a garment-facing laminate on a garment-facing side of the absorbent article. The garment-facing laminate comprises a first nonwoven layer and a second layer joined to the first nonwoven layer. The first nonwoven layer comprises a plurality of apertures. At least 3 of the plurality of apertures in a repeat unit have a different Effective Aperture Area, according to the Aperture Test herein, a different shape, or a different Absolute Feret Angle, according to the Aperture Test herein. The absorbent article comprises an absorbent core disposed at least partially intermediate the liquid permeable topsheet and the garment-facing laminate. | 05-19-2016 |
20160136014 | PATTERNED APERTURED WEBS, LAMINATES, AND METHODS FOR MAKING THE SAME - A patterned apertured web comprises a plurality of land areas and a plurality of apertures. At least some of the land areas surround at least some of the apertures. The patterned apertured web has an Effective Open Area in the range of about 5% to about 50%, according to the Aperture Test herein. The patterned apertured web has a plurality of Interaperture Distances, according to the Aperture Test herein. The Interaperture Distances have a distribution having a median and a mean, wherein the mean is greater than the median. | 05-19-2016 |
20160136015 | MOIRE EFFECT LAMINATES AND METHODS FOR MAKING THE SAME - A laminate comprises a first layer comprising a plurality of lower opacity zones positioned within a higher opacity zone is provided. The plurality of lower opacity zones form a first pattern. The laminate comprises a second layer comprising a second pattern. The laminate comprises a non-joined span of the first and second layers having a dimension of at least about 20 mm. A first portion of the second pattern is visible through at least some of the plurality of lower opacity zones when the first layer, within the non-joined span, is in a first position relative to the second layer, within the non-joined span. A second portion of the second pattern is visible through at least some of the plurality of lower opacity zones when the first layer, within the non-joined span, is in a second position relative to the first layer, within the non-joined span. | 05-19-2016 |
20160136016 | PRE-STRAINED LAMINATES AND METHODS FOR MAKING THE SAME - A laminate comprising a first nonwoven layer comprising a plurality of apertures and a second nonwoven layer is provided. One of the first and second nonwoven layers is a pre-strained layer and is joined to the other one of the first and second nonwoven layers. The other one of the first and second nonwoven layers is a non-pre-strained layer. The pre-strained layer and the non-pre-strained layer together form a three-dimensional laminate. | 05-19-2016 |
20160136919 | ZONAL PATTERNED APERTURED WEBS, LAMINATES, AND METHODS FOR MAKING THE SAME - A patterned apertured web comprises a layer comprising a plurality of apertures and a plurality of land areas. The plurality of apertures comprise a first set of apertures in a first zone and a second set of apertures in a second zone. The first set of apertures in the first zone have Interaperture Distances, according to the Aperture Test herein. The Interaperture Distances of the first set of apertures have a first distribution having a first mean and a first median. The first mean is different than the first median. The second set of apertures in the second zone have Interaperture Distances, according to the Aperture Test herein. The Interaperture Distances of the second set of apertures have a second distribution having a second mean and a second median. The second mean is different than the second median. The first and second sets of apertures have different patterns. | 05-19-2016 |