Patents by Inventor Satoru Tange
Satoru Tange 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).
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Publication number: 20180271720Abstract: An absorbent body for an absorbent article includes: an absorbent core comprising a polymer absorbing agent; and core wraps. The core wraps include: (i) a first hydrophilic fiber-containing layer that is adjacent to the absorbent core and contains first hydrophilic fibers having an average fiber length of 25 mm to 75 mm; (ii) a pulp fiber-containing layer that is adjacent to the first hydrophilic fiber-containing layer and contains pulp fibers and (iii) a second hydrophilic fiber-containing layer that is adjacent to the pulp fiber-containing layer and contains second hydrophilic fibers having an average fiber length of 25 mm to 75 mm. Some of the pulp fibers pass through the first hydrophilic fiber-containing layer and are in contact with the absorbent core.Type: ApplicationFiled: June 23, 2016Publication date: September 27, 2018Inventors: Satoru TANGE, Hiroki GODA
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Patent number: 9622923Abstract: An absorbent body in absorbent articles that causes exudates to disperse in a planar direction and a method of producing the same. The absorbent body has an absorbent core material covered with a cover sheet. The core material has a mass per unit area of 650 g/m2 or less and includes a first liquid absorbent layer containing hydrophilic fibers and superabsorbent polymer particles in a mixed state and a second liquid absorbent layer containing the hydrophilic fibers but none of the superabsorbent polymer particles, wherein the first liquid absorbent layer and the second liquid absorbent layer are overlap with each other and the hydrophilic fibers are in contact with each other between the first liquid absorbent layer and the second liquid absorbent layer.Type: GrantFiled: October 17, 2013Date of Patent: April 18, 2017Assignee: Unicharm CorporationInventors: Hiroki Goda, Shinichi Ishikawa, Kengo Ochi, Koichiro Mitsui, Masashi Nakashita, Satoru Tange
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Publication number: 20170079856Abstract: An absorbent article contains a non-woven fabric sheet for an absorbent. The non-woven fabric sheet is produced without employing a strength-imparting means such as post-coating of an adhesive agent that can deteriorate a liquid diffusion property of the non-woven fabric sheet. The absorbent article includes a liquid-permeable surface sheet, a liquid-impermeable back sheet, an absorbent arranged therebetween, and the non-woven fabric sheet for the absorbent. The non-woven fabric sheet contains pulp, a pulp fiber layer, a first-surface-side fiber layer arranged on a first surface of the pulp fiber layer and mainly composed of hydrophilic fibers having an average fiber length of 25 to 64 mm, and a second-surface-side fiber layer arranged on a second surface of the pulp fiber layer and mainly composed of hydrophilic fibers having an average fiber length of 25 to 64 mm.Type: ApplicationFiled: February 3, 2015Publication date: March 23, 2017Inventors: Akihiro KIMURA, Ko DETANI, Satoru TANGE, Toshiaki MATUMURA, Atushi NOGUCHI
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Publication number: 20150223999Abstract: An absorbent body in absorbent articles that causes exudates to disperse in a planar direction and a method of producing the same. The absorbent body has an absorbent core material covered with a cover sheet. The core material has a mass per unit area of 650 g/m2 or less and includes a first liquid absorbent layer containing hydrophilic fibers and superabsorbent polymer particles in a mixed state and a second liquid absorbent layer containing the hydrophilic fibers but none of the superabsorbent polymer particles, wherein the first liquid absorbent layer and the second liquid absorbent layer are overlap with each other and the hydrophilic fibers are in contact with each other between the first liquid absorbent layer and the second liquid absorbent layer.Type: ApplicationFiled: October 17, 2013Publication date: August 13, 2015Inventors: Hiroki Goda, Shinichi Ishikawa, Kengo Ochi, Koichiro Mitsui, Masashi Nakashita, Satoru Tange
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Publication number: 20150057630Abstract: Provided is nonwoven fabric for absorbents which has excellent diffusing properties. This nonwoven fabric is for absorbents that comprise cellulosic fibers, which are hydrophilic fibers, and is characterized by having an upper surface and a lower surface which is on the reverse side therefrom and by having, in the upper surface, ridges and grooves which extend in the lengthwise direction and are arranged alternately along the width direction.Type: ApplicationFiled: March 27, 2013Publication date: February 26, 2015Inventors: Satoru Tange, Kengo Ochi, Takayoshi Konishi
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Patent number: 8486036Abstract: The present invention aims to provide an absorbent article incorporated with a functional sheet without any anxiety that the wearer's skin might be contaminated even though the article is partially colored. In an absorbent article 1a comprising a sheet assembly 10, a functional sheet 51 having a size smaller than that of the sheet assembly 10, and a bodily fluid-absorbent structure 30 wherein the functional sheet 51 and the bodily fluid-absorbent structure 30 are attached to the sheet assembly 10, the functional sheet 51 is put flat with and bonded to the sheet assembly 10 so as to be kept in contact with the wearer's skin and an externally visible colored zone 4 is provided between the functional sheet 51 and the sheet assembly 10.Type: GrantFiled: December 14, 2007Date of Patent: July 16, 2013Assignee: Uni-Charm CorporationInventors: Satoru Tange, Toshio Inoue
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Patent number: 7806885Abstract: A disposable diaper includes so that a sweat-absorbent sheet attached to the inner side of the diaper can maintain its sweat absorbing function during use of the diaper. The inner side of front or rear waist region constituting the disposable diaper is covered with a hydrophobic sheet and the sweat-absorbent sheet is bonded to the inner surface of the hydrophobic sheet. The hydrophobic sheet has a first sealing-free zone extending, inclusive of a first lower edge, in a circumferential direction so as to be left free from the inner side of the diaper and a first sealing zone extending above the first sealing-free zone and bonded to the inner side of the diaper.Type: GrantFiled: January 24, 2007Date of Patent: October 5, 2010Assignee: Uni-Charm CorporationInventors: Toshio Inoue, Satoru Tange
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Publication number: 20100168703Abstract: The present invention aims to provide an absorbent article incorporated with a functional sheet without any anxiety that the wearer's skin might be contaminated even though the article is partially colored. In an absorbent article 1a comprising a sheet assembly 10, a functional sheet 51 having a size smaller than that of the sheet assembly 10, and a bodily fluid-absorbent structure 30 wherein the functional sheet 51 and the bodily fluid-absorbent structure 30 are attached to the sheet assembly 10, the functional sheet 51 is put flat with and bonded to the sheet assembly 10 so as to be kept in contact with the wearer's skin and an externally visible colored zone 4 is provided between the functional sheet 51 and the sheet assembly 10.Type: ApplicationFiled: December 14, 2007Publication date: July 1, 2010Inventors: Satoru Tange, Toshio Inoue
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Patent number: 7563337Abstract: This invention aims to provide a composite sheet having a layer of inelastically stretchable continuous fibers improved so that a possible unevenness in fiber diameter may be minimized. A composite sheet comprises an elastically stretchable layer and an inelastically stretchable layer formed with inelastically stretchable continuous fibers bonded to at least one surface of the elastically stretchable layer intermittently in one direction. The continuous fibers are oriented substantially in one direction thereof so that the composite sheet may present a ratio S1/S2 of 3.0 or higher where S1 represents a tensile strength in this one direction and S2 represents a tensile strength in the direction orthogonal to this one direction.Type: GrantFiled: September 1, 2005Date of Patent: July 21, 2009Assignee: Uni-Charm CorporationInventors: Satoru Tange, Hiroyuki Ohata
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Patent number: 7316675Abstract: A disposable pants-type wearing article includes an inner sheet, an outer sheet and an intermediate sheet having two or more plastic film strips sandwiched between the inner sheet and the outer sheet. The film strips are overlapped one another to define an overlapped region dimensioned to be 10 to 100 mm in a longitudinal direction of the wearing article and extend in a transverse direction to the vicinity of leg-surrounding elastic members.Type: GrantFiled: January 23, 2006Date of Patent: January 8, 2008Assignee: Uni-Charm CorporationInventors: Hiroyuki Soga, Satoru Tange, Yuko Matsuda
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Publication number: 20070203468Abstract: A disposable diaper includes so that a sweat-absorbent sheet attached to the inner side of the diaper can maintain its sweat absorbing function during use of the diaper. The inner side of front or rear waist region constituting the disposable diaper is covered with a hydrophobic sheet and the sweat-absorbent sheet is bonded to the inner surface of the hydrophobic sheet. The hydrophobic sheet has a first sealing-free zone extending, inclusive of a first lower edge, in a circumferential direction so as to be left free from the inner side of the diaper and a first sealing zone extending above the first sealing-free zone and bonded to the inner side of the diaper.Type: ApplicationFiled: January 24, 2007Publication date: August 30, 2007Applicant: UNI-CHARM CORPORATIONInventors: Toshio INOUE, Satoru TANGE
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Patent number: 7226438Abstract: A disposable wearing article includes a backsheet which is composed of inner and outer sheets and a light transmission in a region of the backsheet in which the inner and outer sheets are placed upon each other is in a range of 20 to 50%. First and second elastic members constituting leg elastic members are colored in substantially the same white or milky white as that of the inner and outer sheets and respective intermediate segments of these elastic members are sandwiched between a liquid-absorbent layer and the inner sheet. The inner and outer sheets conceal the respective intermediate segments of these elastic members so that the respective intermediate segments of the elastic members are not highly visible and the article is protected from any deterioration of its appearance.Type: GrantFiled: January 19, 2006Date of Patent: June 5, 2007Assignee: Uni-Charm CorporationInventors: Hiroyuki Soga, Satoru Tange, Yuko Matsuda
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Publication number: 20060167426Abstract: A disposable pants-type wearing article comprises an inner sheet, an outer sheet and an intermediate sheet consisting of two or more plastic film strips sandwiched between the inner sheet and the outer sheet. The film strips are overlapped one another to define an overlapped region dimensioned to be 10 to 100 mm in a longitudinal direction of the wearing article and extend in a transverse direction to the vicinity of leg-surrounding elastic members.Type: ApplicationFiled: January 23, 2006Publication date: July 27, 2006Inventors: Hiroyuki Soga, Satoru Tange, Yuko Matsuda
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Publication number: 20060161128Abstract: A disposable wearing article includes a backsheet which is composed of inner and outer sheets and a light transmission in a region of the backsheet in which the inner and outer sheets are placed upon each other is in a range of 20 to 50%. First and second elastic members constituting leg elastic members are colored in substantially the same white or milky white as that of the inner and outer sheets and respective intermediate segments of these elastic members are sandwiched between a liquid-absorbent layer and the inner sheet. The inner and outer sheets conceal the respective intermediate segments of these elastic members so that the respective intermediate segments of the elastic members are not highly visible and the article is protected from any deterioration of its appearance.Type: ApplicationFiled: January 19, 2006Publication date: July 20, 2006Inventors: Hiroyuki Soga, Satoru Tange, Yuko Matsuda
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Publication number: 20060063450Abstract: This invention aims to provide a composite sheet having a layer of inelastically stretchable continuous fibers improved so that a possible unevenness in fiber diameter may be minimized. A composite sheet comprises an elastically stretchable layer and an inelastically stretchable layer formed with inelastically stretchable continuous fibers bonded to at least one surface of the elastically stretchable layer intermittently in one direction. The continuous fibers are oriented substantially in one direction thereof so that the composite sheet may present a ratio S1/S2 of 3.0 or higher where S1 represents a tensile strength in this one direction and S2 represents a tensile strength in the direction orthogonal to this one direction.Type: ApplicationFiled: September 1, 2005Publication date: March 23, 2006Inventors: Satoru Tange, Hiroyuki Ohata
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Patent number: 6998004Abstract: A composite sheet that comprises an elastically stretchable layer and an inelastically stretchable layer formed with inelastically stretchable continuous fibers bonded to at least one surface of the elastically stretchable layer intermittently in one direction. The continuous fibers are oriented substantially in one direction thereof so that the composite sheet may present a ratio S1/S2 of 3.0 or higher where S1 represents a tensile strength in this one direction and S2 represents a tensile strength in the direction orthogonal to this one direction.Type: GrantFiled: November 12, 2002Date of Patent: February 14, 2006Assignee: Uni-Charm CorporationInventors: Satoru Tange, Hiroyuki Ohata
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Patent number: 6995100Abstract: A composite sheet that comprises an elastically stretchable layer and an inelastically stretchable layer formed with inelastically stretchable continuous fibers bonded to at least one surface of the elastically stretchable layer intermittently in one direction. The continuous fibers are oriented substantially in one direction thereof so that the composite sheet may present a ratio S1/S2 of 3.0 or higher where S1 represents a tensile strength in this one direction and S2 represents a tensile strength in the direction orthogonal to this one direction.Type: GrantFiled: March 29, 2001Date of Patent: February 7, 2006Assignee: Uni-Charm CorporationInventors: Satoru Tange, Hiroyuki Ohata
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Patent number: 6964721Abstract: A process for manufacturing a composite sheet by joining a second of thermoplastic synthetic fiber and capable of inelastic extension to at least one surface of a first web capable of elastic strech and contraction in an intermittent manner. The process includes a step of extending the first web, a step of joining the second web to the extended first web and a step of extending the joined first and second webs.Type: GrantFiled: August 31, 2001Date of Patent: November 15, 2005Assignee: Uni-Charm CorporationInventor: Satoru Tange
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Patent number: 6890466Abstract: An elastically stretchable nonwoven fabric including thermoplastic elastomer filaments; the filaments being heat-sealed and/or mechanically intertwined together to form the nonwoven fabric that has crimped regions and non-crimped regions wherein each of the crimped regions has fine crimps in the rate of 50/cm or higher.Type: GrantFiled: March 11, 2002Date of Patent: May 10, 2005Assignee: Uni-Charm CorporationInventors: Toshio Kobayashi, Satoru Tange, Masaki Yoshida, Emiko Inoue
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Patent number: 6877970Abstract: An apparatus for producing a web of continuous fibers having a melt extruder, an endless belt running in one direction and a guide box located between the extruder and the belt. The guide box has front and rear walls as viewed in the running direction of the belt, a pair of side walls extending between the front and rear walls and upper and lower end openings. The fibers extruded from the extruder enter the upper end opening by suction exerted in the vicinity of the lower end opening. The guide box is formed in the front wall and/or the rear wall with intermediate opening(s) serving to introduce the outside air into the guide box.Type: GrantFiled: April 16, 2002Date of Patent: April 12, 2005Assignee: Uni-Charm CorporationInventors: Satoru Tange, Toshio Kobayashi