# US 2014/0155852 A1 · Absorbent article and method for producing the same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0155852 A1 - Document ID: US20140155852A1 - Status: Published application - Kind: A1 - Application number: 14/130,172 - Filed: 2012-06-07 - Published: 2014-06-05 - Earliest claimed: 2011-07-29 - Assignees: Unicharm Corporation - Inventors: Kiyoko Nishimura; Toshiyuki Tanio; Azusa Matsushima - Web page: https://patentgrep.com/patent/US20140155852A1 ## CPC - A61F 13/5611: {using fastening strips, e.g. adhesive, on the undergarment-facing side} - A61F 13/15211: {soluble or disintegratable in liquid} - A61F 13/15699: {Forming webs by bringing together several webs, e.g. by laminating or folding several webs, with or without additional treatment of the webs} - Y10T 156/1052: with cutting, punching, tearing or severing - A61F: FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS (dental prosthetics A61C) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract A water-disintegrable absorbent article adapted to be easily peeled off the wearer's undergarment after use. A pantiliner has a topsheet lying on a body side of the wearer, a backsheet and a liquid-absorbent body interposed between the top- and backsheets. The backsheet may be formed of a water-disintegrable fibrous nonwoven fabric of which the component fibers have an orientation extending in a longitudinal direction. On a non-body side, first adhesive regions adapted to be attached to the wearer's undergarment and second adhesive regions allocated on both outer sides in a transverse direction of the first adhesive regions so as to be spaced in the transverse direction from the first adhesive regions. The first adhesive regions include front first adhesive regions, rear first adhesive regions and central first adhesive regions allocated between the front and rear first adhesive regions spaced apart from each other in the longitudinal direction. The second adhesive regions include front second adhesive regions and rear second adhesive regions spaced apart from each other in the longitudinal direction. The central first adhesive regions are allocated in a space area defined by the front and rear second adhesive regions and arranged in the transverse direction. ## Claims ### Claim 1 An absorbent article having a longitudinal direction and a transverse direction, and including: a body-side; a non-body-side opposite to the body-side; a water-disintegrable topsheet lying on the body-side; a water-disintegrable backsheet lying on the non-body-side; a water-disintegrable absorbent body interposed between these top- and backsheets; and adhesive regions formed on the non-body-side of the backsheet and through which the backsheet is attachable to a wearer's undergarment, wherein: the backsheet is formed of a fibrous nonwoven fabric of which component fibers have an orientation extending in the longitudinal direction, and the adhesive regions include first adhesive regions extending in the longitudinal direction and second adhesive regions allocated on both outer sides in the transverse direction of the first adhesive regions so as to be spaced apart from the first adhesive regions in the transverse direction and at least part of the first adhesive regions is allocated in a space area defined in the longitudinal direction between the second adhesive regions. ### Claim 2 (depends on 1) The absorbent article according to claim 1, wherein respective length dimensions in the longitudinal direction of the first and second adhesive regions may be set to be longer than a fiber length of component fibers in a fibrous nonwoven fabric as material of the backsheet. ### Claim 3 (depends on 1) The absorbent article according to claim 1, wherein the first adhesive regions include front first adhesive regions, rear first adhesive regions and central first adhesive regions allocated between the front and rear first adhesive regions. ### Claim 4 (depends on 1) The absorbent article according to claim 1, wherein the second adhesive regions have front second adhesive regions and rear second adhesive regions. ### Claim 5 (depends on 1) The absorbent article according to claim 1, wherein a width dimension in the transverse direction of the first and second adhesive regions is in a range of 2.0 to 15.0 mm. ### Claim 6 (depends on 1) The absorbent article according to claim 1, wherein a space dimension in the longitudinal direction between the first and second adhesive regions is longer than a fiber length of component fibers in a fibrous nonwoven fabric as material of the backsheet. ### Claim 7 (depends on 1) The absorbent article according to claim 1, wherein a space dimension in the transverse direction between the first and second adhesive regions is shorter than the fiber length of the component fibers in a fibrous nonwoven fabric as material of the backsheet. ### Claim 8 (depends on 1) The absorbent article according to claim 1, wherein a length dimension in the longitudinal direction of the second adhesive regions is longer than a length dimension in the longitudinal dimension of the first adhesive regions. ### Claim 9 (depends on 1) The absorbent article according to claim 1, wherein non-adhesive regions are formed on the outer sides in the longitudinal direction of the first adhesive regions. ### Claim 10 (depends on 1) The absorbent article according to claim 1, wherein a liquid-impermeable leakage-barrier sheet is interposed between the absorbent body and the backsheet and at least one of the first and second adhesive regions are allocated to overwrap both side edges of the leakage-barrier sheet. ### Claim 11 A method for producing the absorbent article including the steps of: transporting first fibrous web in a machine direction; laminating an absorbent web on the first fibrous web and securing them to each other; laminating second fibrous web on the first fibrous web through the absorbent web and securing them to each other; forming adhesive regions on a surface of one of the first fibrous web and the second fibrous web opposite to the absorbent web; laminating a release sheet on the adhesive regions; and cutting a laminate composed of the first and second fibrous webs, the absorbent web and the release sheet, wherein: an adhesive coater having first nozzles arranged in the cross direction being orthogonal to the machine direction and second nozzles allocated on the both outsides in the cross direction of the first nozzles distributes an adhesive agent and thereby forms the adhesive regions. ### Claim 12 (depends on 11) The method for producing the absorbent article according to claim 11, wherein the laminate is cut between each pair of the adjacent adhesive regions arranged in the longitudinal direction so as to be spaced apart from each other. ### Claim 13 (depends on 2) The absorbent article according to claim 2, wherein the first adhesive regions include front first adhesive regions, rear first adhesive regions and central first adhesive regions allocated between the front and rear first adhesive regions. ### Claim 14 (depends on 2) The absorbent article according to claim 2, wherein the second adhesive regions have front second adhesive regions and rear second adhesive regions. ### Claim 15 (depends on 3) The absorbent article according to claim 3, wherein the second adhesive regions have front second adhesive regions and rear second adhesive regions. ### Claim 16 (depends on 13) The absorbent article according to claim 13, wherein the second adhesive regions have front second adhesive regions and rear second adhesive regions. ### Claim 17 (depends on 2) The absorbent article according to claim 2, wherein a width dimension in the transverse direction of the first and second adhesive regions is in a range of 2.0 to 15.0 mm. ### Claim 18 (depends on 3) The absorbent article according to claim 3, wherein a width dimension in the transverse direction of the first and second adhesive regions is in a range of 2.0 to 15.0 mm. ### Claim 19 (depends on 13) The absorbent article according to claim 13, wherein a width dimension in the transverse direction of the first and second adhesive regions is in a range of 2.0 to 15.0 mm. ### Claim 20 (depends on 4) The absorbent article according to claim 4, wherein a width dimension in the transverse direction of the first and second adhesive regions is in a range of 2.0 to 15.0 mm.