Patents Assigned to Daio Paper Corporation
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Patent number: 9011406Abstract: A disposable diaper which can be used both as a tape-fastening type and an underpants type by joining the both side portions of the front body part and back body part respectively to thereby form joined portions on both sides along with a waist opening and a pair of right and left leg openings and in this diaper, perforated lines are formed on the both side portions of the front body part so as to extend from an edge of the waist opening to edges of the leg openings and at least one pair of fastening tapes having hook members on inner surfaces thereof and straddle the perforated lines.Type: GrantFiled: July 31, 2007Date of Patent: April 21, 2015Assignee: Daio Paper CorporationInventors: Keiji Torigoshi, Kosuke Murai, Yosuke Mori
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Patent number: 9005176Abstract: [Problem] To provide an absorbent pad that can be easily unstuck from a diaper or lower-body underwear [Means for Solving Problem] An absorbent pad 200 where a hook tape 32 is exposed on an outer surface of the absorbent pad 200 configured by forming an attachment panel 31, that can be divided, via a folding portion 31c, into an extended portion 31a provided with the hook tape 32 formed on the top surface side thereof and a base portion 31b fixed to an outer sheet 25; and by folding back the attachment panel 31 via the folding portion 31c such that the extended portion 31a is layered on the base portion 31b side.Type: GrantFiled: February 9, 2009Date of Patent: April 14, 2015Assignee: Daio Paper CorporationInventor: Tetsuhiro Saito
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Publication number: 20150080828Abstract: An absorbent article has: a leak preventer sheet form; an absorber arranged above the leak preventer and absorbs bodily fluid in at least one layer; and a pair of right and left floating leg gathers arranged, above the absorber, from front end to rear end part in length direction of the absorbent article via a front body, a crotch part and rear body. Floating leg gathers have head and hanging parts connecting to the head parts, respectively. A front end and a rear end parts of each of the hanging parts respectively coupled near a front end part and rear end part of the body of the absorbent article, each hanging part hangs down from the head part toward the absorber; hanging parts of floating leg gathers fixed to the absorber at a lower end part of the hanging part in the crotch part without fixing to the absorber.Type: ApplicationFiled: February 14, 2012Publication date: March 19, 2015Applicant: DAIO PAPER CORPORATIONInventors: Migaku Suzuki, Yoshio Hirai
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Publication number: 20150032071Abstract: An absorbent article includes: an absorbent article body part having a first leak preventer and an absorber; a second leak preventer arranged above the absorber having an enclosed space formed in bag form on a lower side by sealing a periphery part save a front end part to the absorbent article body part; a skin contact sheet arranged between front and rear parts of the absorbent article body part, contacts a wearer's skin and is spaced apart from the absorber at parts other than front and rear end parts; and a urine/feces separation member, wherein a front or middle part couples to a corresponding crotch part of the skin contact sheet, a rear part extends, on a lower side of the second leak preventer, up to at least the front end part of the second leak preventer, and right and left side parts couple to the absorbent article body part.Type: ApplicationFiled: March 15, 2012Publication date: January 29, 2015Applicant: DAIO PAPER CORPORATIONInventors: Migaku Suzuki, Yoshio Hirai
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Publication number: 20150005731Abstract: An absorbent article has a basic functionality of a skin contact sheet present and configured on the surface of an absorber such that it rises therefrom, in which no positional displacement occurs at a crotch part and which effectively avoids contact between a wearer's skin and urine/feces. The absorbent article has: a leak preventer in sheet form; an absorber arranged above the leak preventer and capable of absorbing a bodily fluid in at least one layer; a skin contact member arranged above the absorber, between a front part of the leak preventer and a rear part of the leak preventer, and that makes contact with a wearer's skin and is spaced apart from the absorber at a time of use; and a connecting unit that couples a part of the skin contact member corresponding to a crotch part of the wearer with the absorber at the time of use.Type: ApplicationFiled: March 12, 2012Publication date: January 1, 2015Applicant: DAIO PAPER CORPORATIONInventors: Migaku Suzuki, Yoshio Hirai
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Publication number: 20140378925Abstract: In a dot pattern, both sufficient strength during the use of a diaper and the ease of tearing can be achieved, while inhibiting sticking of fiber waste of a non-woven fabric in the sealing device. The problems can be solved by the underpants-type disposable diaper characterized by a side seal section 13 is formed in a dot pattern in which a plurality of rows of dot-shaped welded parts 13s, 13b, disposed with intervals in a vertical direction, are disposed in a transverse direction, and non-welded parts 13n, disposed all over in the transverse direction, are disposed on both sides of each welded part 13s, 13b, in the vertical direction; the side seal section 13 has at least partly in the vertical direction a non-densely welded region LD and a densely welded region HD; and each welded part 13b in the densely welded region HD is larger in area than each welded part 13s in the non-densely welded region LD.Type: ApplicationFiled: January 17, 2013Publication date: December 25, 2014Applicant: DAIO PAPER CORPORATIONInventors: Keita Mizobuchi, Nobuyuki Okada, Ryoichi Ochi, Terumasa Kamioka
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Patent number: 8864731Abstract: In a conveniently usable individually packaged absorbent article such as a sanitary napkin fixing adhesive layers formed on wing-shaped flaps are covered with a wing release material extended in the width direction, the wing-shaped flaps are folded to a permeable front-surface sheet side with the wing release material, a packaging material is fixed at least to the wing release material, and the wing release material and the packaging material are fixed by a first fixing region that includes portions around folding lines of the wing-shaped flaps and is formed over the forward end positions (forward-side root positions) of the folding lines of the wing-shaped flaps in the longitudinal direction.Type: GrantFiled: January 28, 2011Date of Patent: October 21, 2014Assignee: Daio Paper CorporationInventor: Yoshimi Norimoto
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Patent number: 8853487Abstract: [Problems] To provide a disposable absorbent article that can generate a large temperature change on a surface thereof. [Means for Solving Problems] A disposable absorbent article comprising, at an area including a crotch portion, an absorbent portion which has a liquid pervious face sheet (30), a liquid impervious sheet (11) and an absorbent structure (50) that is interposed therebetween is configured that on a surface of an absorbent body (56) having a high absorbent polymer at least in a face side layer thereof, a temperature changing substance (40) for cooling or heating urine by contact with the urine is sprinkled and that the urine, which has been cooled or heated by the temperature changing substance (40), can be absorbed and retained in the face side layer of the absorbent body (56).Type: GrantFiled: December 26, 2008Date of Patent: October 7, 2014Assignee: Daio Paper CorporationInventors: Tomonari Takeuchi, Yuki Horie, Sayaka Kozai
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Patent number: 8840599Abstract: A disposable diaper in the present invention is configured in such a manner that a section corresponding to a first portion at the longitudinal intermediate of the inner elastic members is designated as an unfixed section where a back sheet and an outer sheet are not fixed; a section corresponding to a second portion on the both longitudinal sides of the unfixed section is designated as a fixed section, where the back sheet and the outer sheet are fixed; the unfixed section with the inner elastic members is not fixed to the back sheet or the outer sheet, or is fixed only to the outer sheet; and the fixed section with the inner elastic members is fixed to the back sheet and the outer sheet.Type: GrantFiled: July 18, 2008Date of Patent: September 23, 2014Assignee: Daio Paper CorporationInventor: Yuki Nakano
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Publication number: 20140243773Abstract: An absorbent article such as a sanitary napkin has a respective wing-shaped flap extending outward from each side of the main body of the absorbent article. Each wing-shaped flap has a front profile line and a rear profile line. The front profile line is a wave-shape formed by a repetition of convex portions and concave portions. The angle between a line connecting the vertex of the outermost concave portion of the wing-shaped flap with the origin point of the front profile line of the wing-shaped flap and another line originating at the origin point of the front profile line of the wing-shaped flap is 60-65°.Type: ApplicationFiled: September 28, 2012Publication date: August 28, 2014Applicant: DAIO PAPER CORPORATIONInventor: Megumi Yoshiba
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Patent number: 8748692Abstract: Disclosed is an absorbent article having an absorbent member positioned between a liquid-permeable multilayer surface sheet and a backside sheet. A plastic film layer is laminated on the non-skin contact surface side of the multilayer surface sheet. The multilayer surface sheet has embossments in the form of a large number of elevated portions protruding outward, the elevated portions being formed by heating the sheet to a temperature higher than the melting point of the plastic film layer but lower than the melting point of the nonwoven fabric layer. The multilayer surface sheet is also provided with a large number of openings. The absorbent article has a highly spatial appearance, provides good cushioning effect with minimized skin contact, and retains uneven emboss, even upon absorption of a body fluid.Type: GrantFiled: March 27, 2006Date of Patent: June 10, 2014Assignee: Daio Paper CorporationInventor: Rie Suzuki
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Patent number: 8729333Abstract: An absorptive article 1 includes a liquid-permeable top sheet 20, a liquid impermeable back sheet 30, and an absorber 50 disposed between the top sheet 20 and the back sheet 30. The absorber 50 has a layered structure including an upper absorbent layer 511 disposed on the side of the top sheet 20 and a lower absorbent layer 512 disposed on the side of the back sheet 30. The upper absorbent layer 511 is composed of virgin pulp and virgin polymer, and the lower absorbent layer 512 contains recycled pulp and recycled polymers.Type: GrantFiled: September 16, 2010Date of Patent: May 20, 2014Assignee: Daio Paper CorporationInventor: Yuiko Nakatani
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Patent number: 8695908Abstract: [Problem] To reduce roll paper curl of a sanitary thin paper roll [Means for Solving Problem] A sanitary thin paper roll in the present invention comprising two or more ply sheets for constituting a roll wherein a basis weight of a sanitary thin paper sheet on an outermost face of the roll is smaller than a basis weight of a sanitary thin paper sheet on an innermost face of the roll, and a density of the sanitary thin paper sheet on the outermost face of the roll is larger than a density of the sanitary thin paper sheet on the innermost face of the roll.Type: GrantFiled: August 26, 2008Date of Patent: April 15, 2014Assignee: Daio Paper CorporationInventor: Takashi Matsumura
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Patent number: 8684985Abstract: Provided is a sanitary napkin having wings that can be easily attached by being properly folded back at correct positions without causing problems in the wing-like flaps, such as adhesion of adhesive surfaces to each other and wrong adhesion. In a sanitary napkin including wing-like flaps disposed on both sides of a main body to be fixed to an undergarment so as to wrap around a crotch portion of the undergarment when it is worn, each wing-like flap has a front outline extending outward from the main body and a back outline extending outward from the main body and is designed such that the angle ? formed by the width-direction line of the sanitary napkin and the back outline is larger than the angle ? formed by the width-direction line of the sanitary napkin and the front outline and that the gravity center of the wing-like flap is located more toward the front of the sanitary napkin than the center point of the boundary line of the root of the wing-like flap W and the main body.Type: GrantFiled: November 26, 2008Date of Patent: April 1, 2014Assignee: Daio Paper CorporationInventor: Haruko Odoi
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Patent number: 8679084Abstract: In a three-dimensional gather BS, a sheet extending from the lateral side to the center side direction is folded in four by folding the sheet at the first folding portion folded back toward the lateral side on a central side position and at the second folding portion and the third folding portion in series to form the first folding back surface, the second folding back surface, the third folding back surface, and the fourth folding back surface. In a predetermined range containing the body fluid excretion portion, at least the third folding back surface and the fourth folding back surface stand so as to form an approximately dogleg-shaped cross section, and in the buttock side portion, the second folding back surface to the fourth folding back surface are bonded to one another, and stand linearly in an oblique manner toward the outer side direction.Type: GrantFiled: May 27, 2009Date of Patent: March 25, 2014Assignee: Daio Paper CorporationInventor: Ryoko Kurihara
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Publication number: 20130337243Abstract: To solve problems such as tearing in using or manufacturing sanitary thin paper for household use that is embossed and applied with aqueous chemicals. The problem is solved by a method for manufacturing toilet paper, comprising: a chemicals applying step of printing and applying aqueous lotion chemicals onto band-like continuous crepe paper by a printer, while a pattern with a non-chemicals-application portions and chemicals-application portions is formed; and an embossing step where the embossing convex portions are brought into press-contact only to the non-chemicals-application portions of the continuous crepe paper so that the continuous crepe paper is embossed.Type: ApplicationFiled: February 14, 2012Publication date: December 19, 2013Applicant: Daio Paper CorporationInventors: Shigeo Ishikawa, Akira Hirasawa
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Patent number: 8603298Abstract: A method of manufacturing coated paper which consistently performs a papermaking process, a coating process, and a flattening process and includes a coating facility formed of a combination of a roll coater coating facility and first and second coating facilities in which coating methods are different from that of the roll coater coating facility, and the roll coater coating facility is provided between the first and second coating facilities.Type: GrantFiled: May 2, 2007Date of Patent: December 10, 2013Assignee: Daio Paper CorporationInventor: Akira Nomura
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Patent number: 8598052Abstract: A highly air-permeable and water-resistance sheet according to the present invention includes a hydrophobic non-woven fabric layer having 100 mm H2O or more of water pressure resistance and a fine cellulose fiber layer layered on the hydrophobic non-woven fabric layer, and a water repellent layer is layered on either surface of the highly air-permeable and water-resistance sheet. A highly air-permeable and water-resistance sheet composite according to the present invention includes the highly air-permeable and water resistance sheet and another non-woven fabric layered onto the water-repellant layer.Type: GrantFiled: March 1, 2007Date of Patent: December 3, 2013Assignee: Daio Paper CorporationInventors: Migaku Suzuki, Akira Kawase
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Patent number: 8557068Abstract: A method for manufacturing an absorbent body of a body fluid absorbing article. The absorbent body includes an air laid absorbent fiber having a dispersed and thin layer of a mixed absorbent fiber and super absorbent polymer. The method involves using multiple stages having multiple dispersing chutes and pressing rolls spaced out in a transfer direction to accumulate and form the absorbent fiber and the super absorbent polymer while disentangling and mixing the absorbent fiber and the super absorbent polymer in accordance with an air laying method in which the absorbent fiber and the super absorbent polymer are conveyed in an air flow and injected by the dispersing chutes to provide the dispersed layer of the mixed absorbent fiber and super absorbent polymer, and thin the air laid absorbent fiber, by pressurization, by using the pressing rolls to thin the dispersed layer.Type: GrantFiled: July 12, 2010Date of Patent: October 15, 2013Assignee: Daio Paper CorporationInventors: Yosuke Mori, Kazunori Ito
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Publication number: 20130211359Abstract: Disclosed is an absorbent article, having an individual-wrapping sheet which is liquid-impermeable; an absorber arranged on an upper side of the individual-wrapping sheet, containing super absorbent polymer, and capable of absorbing an aqueous liquid; and a back-up sheet arranged between the individual-wrapping sheet and the absorber and capable of retaining the aqueous liquid, in which the individual-wrapping sheet has a liquid-storing portion in a form of bag which is provided in a rear portion of the individual-wrapping sheet and forms an internal space on the upper side of the individual-wrapping sheet, and in which a rear end portion of the absorber exists in the internal space formed by the liquid-storing portion. By using this absorbent article, a material used for individual wrapping can be utilized at the time of wearing the absorbent article without disposal of the material, and leakage is less liable to occur.Type: ApplicationFiled: February 13, 2012Publication date: August 15, 2013Applicant: DAIO PAPER CORPORATIONInventors: Migaku SUZUKI, Yoshio HIRAI