Patents by Inventor Sadanao Manabe
Sadanao Manabe has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Publication number: 20190328582Abstract: To make it possible to manufacture an absorber having a reinforcing layer sandwiched between a plurality of accumulation layers with simple and compact equipment An accumulation material in an absorber mold at a first accumulation position and a second accumulation position disposed in this order on an outer peripheral surface of a fiber accumulating drum at intervals in a rotational direction of the fiber accumulating drum, and supplying a belt-shaped reinforcing layer formed of a nonwoven fabric or the like, passing over the absorber mold on the outer peripheral surface of the fiber accumulating drum and continuous in the rotational direction of the fiber accumulating drum between the first and the second accumulation positions to form, in the absorber mold, an absorber including a first accumulation layer accumulated at the first accumulation position, a second accumulation layer accumulated at the second accumulation position, and the reinforcing layer sandwiched therebetween.Type: ApplicationFiled: January 24, 2017Publication date: October 31, 2019Applicant: Daio Paper CorporationInventors: Sadanao Manabe, Ryoichi Ochi, Keita Mizobuchi
-
Publication number: 20190125596Abstract: An absorbent article includes an absorber having a front surface side sheet, a back surface side sheet disposed on the back surface side of the front surface side sheet, cells each of which is surrounded by bonded portions of the front surface side sheet and the back surface side sheet and inside each of which the front surface side sheet and the back surface side sheet are not bonded, and particulate materials which include superabsorbent polymer particles and which are contained in each of the cells. The bonded portions are arranged in continuous line shapes or dotted line shapes so as to form same-sized regular hexagons, which connect each other as unit shapes to be a honeycomb shape. All the cells are the same-sized regular hexagonal cells each of which is surrounded by the bonded portions.Type: ApplicationFiled: February 23, 2017Publication date: May 2, 2019Applicant: Daio Paper CorporationInventors: Sadanao Manabe, Ryoichi Ochi, Yosuke Mori, Yohei Ono
-
Publication number: 20190125592Abstract: A manufacturing device is provided, within a range in the rotation direction of the upper half of an anvil roll, in the order from the upstream side in the rotation direction of the anvil roll, with a first sheet feeding unit, a recess forming unit, a particulate material feeding device, and a second sheet feeding unit and further a welding unit provided on the downstream side of the second sheet feeding unit in the rotation direction. The anvil roll has a large number of concaves, projections provided in a portion among the concaves, so as to surround each of the concaves, and a unit to suck air in the concaves. For each concave, the projections are minute dot-shaped projections arranged only in one row at intervals in the direction surrounding the concave.Type: ApplicationFiled: February 23, 2017Publication date: May 2, 2019Applicant: DAIO PAPER CORPORATIONInventors: Sadanao Manabe, Ryoichi Ochi
-
Publication number: 20190110934Abstract: An absorbent article includes an absorber including cells, each of which is surrounded by bonded portions of a front surface side sheet and a back surface side sheet and in each of which the front surface side sheet and the back surface side seat are not bonded, and including superabsorbent polymer particles contained in each of the cells. The bonded portions are arranged in dotted line shapes according to a pattern in which same-sized octagonal portions having all interior angles of 135°, and having two pairs of opposite sides whose facing directions are mutually orthogonal are equal in length, and diamond-shaped portions each having equal length of all sides and being formed in portions among the octagonal portions, are arranged without any space in the front-back direction (LD) or the width direction (WD).Type: ApplicationFiled: February 23, 2017Publication date: April 18, 2019Applicant: DAIO PAPER CORPORATIONInventors: Sadanao Manabe, Ryoichi Ochi, Yosuke Mori, Yohei Ono
-
Publication number: 20190029896Abstract: A method of producing an underpants-type disposable diaper includes forming an outer member having a non-stretchable region disposed in an intermediate region in the width direction and stretchable regions disposed on the two sides of the non-stretchable region in the width direction by: fixing elastic members to an inner sheet layer and an outer sheet layer in at least two edge portions of portions to be the stretchable regions without fixing the elastic members to the inner sheet layer nor the outer sheet layer in a portion to be the non-stretchable region; disposing a graphic sheet and disposing a no-extra-sheet region between the inner sheet layer and the outer sheet layer in the side portion of the non-stretchable region; cutting the elastic members and leaving cut marks and idle elastic members over the no-extra-sheet region; and leaving the elastic members in a region overlapping with the graphic sheet uncut.Type: ApplicationFiled: January 17, 2017Publication date: January 31, 2019Applicant: Daio Paper CorporationInventors: Sadanao Manabe, Shuichi Ito
-
Publication number: 20180338874Abstract: An absorbent article has a wrapping sheet wrapping an absorbent body including an intermediate part located on one side of front face side and back face side of the body and both side parts folded back to the other side of the body from the intermediate part. Distal ends of the both side parts are overlapped on the other side of the body to form a connecting portion. A whole part of an internal surface of the wrapping sheet faces the body and is bonded to an external surface of the body through hot melt adhesives. A usage amount of the hot melt adhesives bonds the wrapping sheet and the body together and is larger at least in a region of both end portions in a width direction on the other side of the body than on the one side of the body.Type: ApplicationFiled: August 4, 2016Publication date: November 29, 2018Applicant: Daio Paper CorporationInventors: Sadanao Manabe, Akifumi Hayashi
-
Publication number: 20180280209Abstract: An underpants-type disposable diaper includes outer members 12F and 12B having stretchable regions A2 and A3 disposed adjacent to the inner edges of the side seal portions 12A in the width direction. The stretchable regions A2 and A3 include multiple elongated elastically stretchable members 19 disposed between two sheet layers 12S and 12H at predetermined intervals in the front-back direction and extending in the width direction. The elastically stretchable members 19 each include two fixed ends 19f fixed to the two sheet layers 12S and 12H, and the section between the fixed ends 19f is unfixed to the two sheet layers 12S and 12H. The two sheet layers 12S and 12H are welded into sheet bonding sections 20, at positions between the elastically stretchable members 19 in the stretchable regions A2 and A3 adjacent is the front-back direction. No sheet bonding section protrudes from the side seal portion in the stretchable regions A2 and A3.Type: ApplicationFiled: August 4, 2016Publication date: October 4, 2018Inventors: Sadanao MANABE, Akifumi HAYASHI, Kosuke MURAI, Shuichi ITO
-
Publication number: 20180263831Abstract: An absorbent article has an absorbent body with a colored fiber layer colored in a different color from a color of any member other than the absorbent body across a whole in a front-back direction and a width direction thereof. The colored fiber layer is visually recognizable from an outside.Type: ApplicationFiled: August 4, 2016Publication date: September 20, 2018Applicant: Daio Paper CorporationInventor: Sadanao Manabe
-
Publication number: 20180256416Abstract: An absorbent article has an absorbent body obtained by mixing and accumulating fibers and high absorbent polymer particles. A wrapping sheet includes an intermediate part located on a front face side of the absorbent body and both side parts folded back to a back face side of the absorbent body from the intermediate part. Distal ends of the both side parts of the wrapping sheet are overlapped on the back face side of the absorbent body to form a connecting portion. A total weight of the high absorbent polymer particles is larger than a total weight of the fibers in the absorbent body. A content rate of the high absorbent polymer particles of the absorbent body increases stepwise or continuously from the back face side toward the front face side.Type: ApplicationFiled: August 4, 2016Publication date: September 13, 2018Applicant: Daio Paper CorporationInventors: Sadanao Manabe, Akifumi Hayashi
-
Publication number: 20180042788Abstract: A stretchable structure of an absorbent article includes two sheet layers that extend in a stretchable direction and an orthogonal direction orthogonal to the stretchable direction; and elongated resilient and elastic members that are disposed between the sheet layers at predetermined intervals in the orthogonal direction and extend in the stretchable direction, wherein, the two ends in the stretchable direction of each of the resilient and elastic members comprise fixed ends fixed to the two sheet layers, and the section between the fixed ends comprises a free section unfixed to the two sheet layers, at least one sheet bonding section is disposed in at least one inter-free region defined between the free sections adjacent to each other in the orthogonal direction, the two sheet layers being bonded in the at least one inter-free region, and the two sheet layers in a contracted state conform with each other in a wave pattern in response to contraction of the resilient and elastic members.Type: ApplicationFiled: March 25, 2016Publication date: February 15, 2018Applicant: Daio Paper CorporationInventors: Takeshi KUROHARA, Masayo OBATA, Sadanao MANABE, Akifumi HAYASHI, Yosuke MORI
-
Publication number: 20170231836Abstract: The present invention is intended to provide the advantages of forming the leg gathers with the liquid impervious film that allow reduction of the used amount of the non-woven fabric while suppressing the deterioration of the texture, and others.Type: ApplicationFiled: October 16, 2015Publication date: August 17, 2017Applicant: DAIO PAPER CORPORATIONInventors: Sadanao MANABE, Tomotsugu MATSUI, Akinori FUKAE, Kosuke MURAI
-
Publication number: 20170196738Abstract: Resilient and elastic members are sandwiched between a first sheet material and a second sheet material and overlapping areas of the first sheet material and the second sheet material are not joined together at CD direction both end portions but are joined together at an area between the both end portions, thereby to form a belt-like continuous elastic belt. The elastic belt is cut in the middle of a CD direction thereof between the resilient and elastic members at a joined position of the first sheet material and the second sheet material to form a pair of divided elastic belt. CD direction positions of these divided elastic belts are exchanged or the divided elastic belts are vertically reversed. A ventral side outer body and a dorsal side outer body are formed from the pair of divided elastic belts.Type: ApplicationFiled: June 18, 2015Publication date: July 13, 2017Inventors: Sadanao MANABE, Yosuke MORI, Takashi HAGI
-
Publication number: 20170065463Abstract: The present invention provides a production method for an underpants-type disposable diaper in space-saving and simple facilities while reducing the risk of occurrence of wrinkles, including: supplying a continuous sheet material in the continuous direction thereof; disposing resilient and elastic members for imparting elasticity to a ventral side outer body and a dorsal side outer body at a CD direction intermediate portion of the sheet material; folding CD direction one side and other side parts across the CD direction intermediate portion toward the side of the CD direction intermediate portion with the resilient and elastic members, sandwiching and fixing the resilient and elastic members in the folded sheet material, and joining together the folded parts and the CD direction intermediate portion to form a continuous elastic belt; cutting the elastic belt at a CD direction intermediate position to obtain a dorsal side elastic belt and a ventral side elastic belt, and then assembling an inner body to the dType: ApplicationFiled: February 26, 2015Publication date: March 9, 2017Inventors: Yosuke MORI, Sadanao MANABE
-
Publication number: 20170049638Abstract: A main object of the present invention is to improve the fit of edge portions of an outer body around the legs.Type: ApplicationFiled: February 26, 2015Publication date: February 23, 2017Inventors: Yosuke MORI, Sadanao MANABE, Takashi HAGI
-
Patent number: 8221372Abstract: Provided is a disposable diaper, in which fastening tapes are brought into direct engagement with the surface of an outer-face back sheet made of a nonwoven fabric. The disposable diaper is enabled to adjust its size slightly according to the body shape of a baby, by improving the force of the fastening tapes to engage with the outer-face back sheet and the force to join the outer-face back sheet and a leakage-preventing sheet. The disposable diaper has its outer-face back sheet made of a nonwoven fabric prepared by an air-through method, in which fibers are thermally melted to each other at the time of manufacturing the nonwoven fabric by feeding hot air in a drum transfer process.Type: GrantFiled: June 15, 2006Date of Patent: July 17, 2012Assignee: Daio Paper CorporationInventors: Shinichi Kouno, Tsuyoshi Utsunomiya, Sadanao Manabe, Toshikazu Maeda, Yumiko Seike, Miyuke Ochi
-
Patent number: 7717150Abstract: A shuffling hand feeling and unwanted non-uniform absorption characteristics in the case of using a tow (fiber bundle) are prevented. An absorbent body includes a fiber aggregate 21 formed by opening the tow, a super absorbent polymer 54, and a sheet covering these components; and includes the super absorbent polymer 54 bonded to the sheet 58 with an adhesive that is applied in a continuous plane to the entire surface or the substantially entire surface of at least the portion to be provided with the super absorbent polymer 54 in this sheet 58.Type: GrantFiled: June 28, 2005Date of Patent: May 18, 2010Assignee: Daio Paper CorporationInventors: Sadanao Manabe, Hiroyuki Hanao, Takeshi Furudoi, Akinori Fukae, Toshikazu Maeda, Hiroyuki Yano, Taira Kubo, Yoshiharu Miyashita, Tomotsugu Matsui
-
Publication number: 20090105682Abstract: Provided is a disposable diaper, in which fastening tapes are brought into direct engagement with the surface of an outer-face back sheet made of a nonwoven fabric. The disposable diaper is enabled to adjust its size slightly according to the body shape of a baby, by improving the force of the fastening tapes to engage with the outer-face back sheet and the force to join the outer-face back sheet and a leakage-preventing sheet. The disposable diaper has its outer-face back sheet made of a nonwoven fabric prepared by an air-through method, in which fibers are thermally melted to each other at the time of manufacturing the nonwoven fabric by feeding hot air in a drum transfer process.Type: ApplicationFiled: June 15, 2006Publication date: April 23, 2009Applicant: DAIO PAPER CORPORATIONInventors: Shinichi Kouno, Tsuyoshi Utsunomiya, Sadanao Manabe, Toshikazu Maeda, Yumiko Seike, Miyuke Ochi
-
Publication number: 20080038504Abstract: [Problem to be Solved] A shuffling hand feeling and unwanted non-uniform absorption characteristics in the case of using a tow (fiber bundle) are prevented. [Solution] An absorbent body includes a fiber aggregate 21 formed by opening the tow, a super absorbent polymer 54, and a sheet covering these components; and includes the super absorbent polymer 54 bonded to the sheet 58 with an adhesive that is applied in a continuous plane to the entire surface or the substantially entire surface of at least the portion to be provided with the super absorbent polymer 54 in this sheet 58.Type: ApplicationFiled: June 28, 2005Publication date: February 14, 2008Inventors: Sadanao Manabe, Hiroyuki Hanao, Takeshi Furodoi, Akinori Fukae, Toshikazu Maeda, Hiroyuki Yano, Taira Kubo, Yoshiharu Miyashita, Tomotsugu Matsui
-
Patent number: 7329245Abstract: A disposable diaper having an absorbent, a waist opening and right and left leg openings which are formed when the diaper is in use, and many stretchable members which are provided along the peripheral direction of the diaper at least in a girth area having a lengthwise range extending from said waist opening's edge to said leg openings' start ends and which are spaced at intervals in the lengthwise direction of the diaper. In at least a front body, said stretchable members are provided discontinuously in part of or in the whole of a lengthwise range where said absorbent is located, in an area extending from a joint on one side to a joint on the other side of the diaper.Type: GrantFiled: July 19, 2001Date of Patent: February 12, 2008Assignees: Daio Paper Corporation, Daio Paper Converting Co., Ltd.Inventors: Keiji Torigoshi, Sadanao Manabe, Yosuke Mori
-
Publication number: 20040015146Abstract: A disposable diaper having an absorbent, a waist opening and right and left leg openings which are formed when the diaper is in use, and many stretchable members which are provided along the peripheral direction of the diaper at least in a girth area having a lengthwise range extending from said waist opening's edge to said leg openings' start ends and which are spaced at intervals in the lengthwise direction of the diaper. In at least a front body, said stretchable members are provided discontinuously in part of or in the whole of a lengthwise range where said absorbent is located, in an area extending from a joint on one side to a joint on the other side of the diaper.Type: ApplicationFiled: July 14, 2003Publication date: January 22, 2004Inventors: Keiji Torigoshi, Sadanao Manabe, Yosuke Mori