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Daio Paper Corporation patents


Recent patent applications related to Daio Paper Corporation. Daio Paper Corporation is listed as an Agent/Assignee. Note: Daio Paper Corporation may have other listings under different names/spellings. We're not affiliated with Daio Paper Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "D" | Daio Paper Corporation-related inventors


Absorbent article

A sanitary napkin (1) includes an absorbent (4) interposed between a liquid permeable top sheet (3) and a back sheet (2), wherein the liquid permeable top sheet (3) has multiple protruding parts (10) that protrude towards a skin side and that are formed at intervals, embossed parts (11) compressed from the skin side, and opening parts (12) that penetrate the liquid permeable top sheet (3), the embossed parts (11) and opening parts (12) being formed, around the protruding parts (10), to be separate from each other. Skin side extending parts (13) are provided at peripheries of the opening parts (12) such that the skin side extending parts (13) protrude towards the skin side at heights lower than heights of the protruding parts (10). ... Daio Paper Corporation

Absorbent article

An absorbent article in which an absorbent body is provided between a liquid permeable topsheet and a backsheet, includes a concave groove-like or a slit-like absorbent body concave portion provided at a liquid permeable topsheet side of the absorbent body along a longitudinal direction of the absorbent article at an area including a urine expelling site, both end portions of the absorbent body concave portion in the longitudinal direction respectively being zones of a gradually decreasing width, each having a tapered shape whose width is gradually decreased toward an end portion side, each of the zones of a gradually decreasing width being formed to have a length that is greater than or equal to 20% of the total length of the absorbent body concave portion.. . ... Daio Paper Corporation

Paper tube and rolled sheet using the paper tube

A paper tube that functions as a core of a rolled sheet, the paper tube includes an inside base paper layer at an inside peripheral surface of the paper tube; and an outside base paper layer at an outside peripheral surface of the paper tube, polyphenol and glycerin being impregnated in at least one of the inside base paper layer and the outside base paper layer.. . ... Daio Paper Corporation

Disposable diaper

An absorbent article includes a stretchable sheet that is a laminate of a non-stretchable first sheet layer, a non-stretchable second sheet layer, and an elastic film disposed between the first and second sheet layers, and the elastic film is stretchable at least in the front-back direction. The first sheet layer is bonded to the second sheet layer at a large number of joints directly or through the elastic film and the joints are arrayed at intervals. ... Daio Paper Corporation

Hydrolysable sheet

A hydrolysable sheet obtained by impregnating a base paper sheet, to which a water-soluble binder is added, with a chemical solution, wherein the base paper sheet is obtained by applying a ply process to a plurality of sheets of base paper and has a basis weight of from 30 gsm to 150 gsm, wherein a compounding ratio of softwood pulp to hardwood pulp is less than 1/1, wherein the chemical solution contains a cross-linking agent, which causes the water-soluble binder to initiate a cross-linking reaction, and a trihydric or higher alcohol, and wherein, with respect to a weight of the base paper sheet, the base paper sheet is impregnated with the trihydric or higher alcohol at 1% to 20% by weight.. . ... Daio Paper Corporation

Household tissue paper and hydrolysable sheet

Household tissue paper is obtained by applying a ply process to two or more sheets of base paper. First embossments and second embossments, arranged around the first embossments, are formed on an entire surface of the household tissue paper, a shape of a protruding part of each of the second embossments differing from a shape of a protruding part of each of the first embossments. ... Daio Paper Corporation

Absorbent article and method for producing same

An absorbent article having an elastic film stretchable region in which a stretch rate changes depending on the part, and a method of manufacturing the same. The above problem is solved when a stretchable region being stretchable at least in a width direction is included in a lower-torso region having a waist portion of an outer body of a front body and an outer body of a back body, and in the stretchable region, in a state in which an elastic film is stretched in a stretching and contracting direction at a stretch rate continuously increasing from a crotch side toward a waist opening side, a first sheet layer and a second sheet layer are joined.. ... Daio Paper Corporation

Absorbent article

An object of the invention is to improve the diffusibility of body fluid such that the body fluid can be quickly absorbed. The sanitary napkin 1 represented by fig. ... Daio Paper Corporation

Stretchable structure for absorbent article and disposable diaper pants

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.. . ... Daio Paper Corporation

Absorbent article

An absorbent article, such as a sanitary napkin, a pantiliner or an incontinence pad, which improves diffusion property of a body fluid and maintains a stable absorption amount. In fig. ... Daio Paper Corporation

Stretch structure for absorbent article, and underpants-type disposable diaper using same

. . A stretchable structure of an absorbent article includes a stretchable region and a non-stretchable region. A laminate of a first sheet layer, second sheet layer, and elastic film between the first and second sheet layers extends over the stretchable and non-stretchable regions. ... Daio Paper Corporation

Absorbent article

To surely prevent leakage, not to cause a wearer feel anxiety against the leakage, and to improve fit. There is provided a sanitary napkin (1) in which a convex portion (20) of an absorbent body that is high toward a skin side is formed at a skin side surface of the absorbent body (4) at a center portion in a width direction. ... Daio Paper Corporation

Absorbent article and method for manufacturing same

. . . . . . In order to prevent degradation of appearance, prevent a decrease in flexibility, and improve non-elasticity in a non-stretchable region in an elastic film stretchable structure, the invention is characterized by having an elastic film stretchable structure (20x) formed by stacking an elastic film (30) between a first sheet layer (20a) and a second sheet layer (20b), wherein a region having the elastic film stretchable structure (20x) includes a non-stretchable region (70) and a stretchable region (80) provided at least at one side of the non-stretchable region (70) in a stretching and contracting direction, the stretchable region (80) being stretchable in the stretching and contracting direction, the first sheet layer (20a) and the second sheet layer (20b) are joined via through holes (31) penetrating the elastic film (30) at the large number of sheet bond portions (40) arranged at intervals, and the non-stretchable region (70) does not have a section in which the elastic film (30) linearly continues along the stretching and contracting direction, due to presence of the through holes (31), even though the elastic film (30) continues in the stretching and contracting direction.. . ... Daio Paper Corporation

Household tissue case

. . The length of a projection of a household tissue is suppressed without hampering the removal of household tissues situated at a depth under a frame member. The frame member (14) is attached to the perimeter of the dispensing opening (11). ... Daio Paper Corporation

10/12/17 / #20170290714

Absorbent article

Absorbent articles including sanitary napkins, panty liners and incontinence pads, wherein an end portion in the longitudinal direction of the absorbent article is reduced from rising by the contraction force of an elastic stretchable member, and the absorption performance is improved and lateral leakage is prevented. In fig. ... Daio Paper Corporation

10/05/17 / #20170281430

Absorbent article

The present invention is intended to provide an absorbent article that is excellent in anti-odor effect at the time of disposal. A pants-type disposable diaper includes an anti-odor tape that has a first gas barrier layer coupled to the pants-type disposable diaper and a second gas barrier layer that is stuck in a separable manner to either front or back surface of the first gas barrier layer via an adhesive agent containing an anti-odor agent. ... Daio Paper Corporation

10/05/17 / #20170281421

Absorbent article

The present invention is intended to improve the liquid diffusibility and fit of an absorber having a first slit extending in a front-back direction and second slits continuing laterally from the first slit to the side edges. The foregoing issue is solved by providing one first slit extending in the front-back direction in a width-direction intermediate portion of an absorber, providing second slits continuing from each of front end side and back end side of the first slit toward width-direction both sides to the side edges, and providing second slit elastic members to cross in the direction of continuance of the second slits and exert a contraction force in the direction of closing of the second slits.. ... Daio Paper Corporation

10/05/17 / #20170281417

Method for forming stretchable structure for absorbent article and stretchable structure for absorbent article

The present invention is intended to prevent cutting of the resilient and elastic members by a welding process. The foregoing issue is solved by passing a first sheet layer, a second sheet layer, and elongated resilient and elastic members continuously disposed in an md direction between the two sheet layers, between a first roll with joint convex parts provided at circumferential intervals on an outer peripheral surface and a second roll opposed to the first roll, and pressurizing and heating the first sheet layer and the second sheet layer to form sheet joined sections by welding the first sheet layer and the second sheet layer in such a manner as to cross the resilient and elastic members and have md-direction intervals therebetween, wherein circumferentially continuous grooves are formed on a pressurization surface of the second roll, passage sections of the resilient and elastic members are pressurized and heated in positions including the grooves of the second roll, and non-passage sections of the resilient and elastic members are pressurized and heated in positions not including the grooves of the second roll.. ... Daio Paper Corporation

09/28/17 / #20170273833

Underpants-type disposable diaper

The present invention is intended to improve the dynamic fit of a crotch portion. The foregoing issue is solved in such a manner that a vertical stretchable part vertically extending and contracting in length is provided in a vertical intermediate portion of an absorber in a front body, an outer body of the front body has a portion overlapping at least the vertical stretchable part, width-direction both side sections of the portion, and a waist opening-side area of the portion and the sections, lifting elastic members having a contraction force of lifting a portion of the vertical stretchable part on a rear side of a front end toward width-direction both sides and an obliquely upward side at least when the diaper is worn are provided in the outer body of the front body on closer to lateral sides than to a width-direction intermediate portion of the absorber, and the vertical stretchable part vertically extends and contracts in length by elastic extension and contraction of the lifting elastic member.. ... Daio Paper Corporation

08/31/17 / #20170246056

Absorbent article

An absorbent article includes a concave groove whose transverse plane shape satisfies (1) a relationship between a depth “h” of a bottom surface portion of the concave groove, and a distance “s” from a bottom end “g” of the concave groove to an upper end “k” from which a concavity of the concave groove starts is 1.5h<s, (2) a relationship between a width “b” of a bottom surface of the concave groove, and a width “b” between the upper ends “k” and “k” at both sides of the concave groove is b≧3b, and (3) a relationship between a dimension “a” of a square concave groove expressed by a product of the width “b” of the bottom surface of the concave groove and the depth “h” of the bottom surface portion, and a cross-sectional dimension “a” of the concave groove is a≧2a.. . ... Daio Paper Corporation

08/24/17 / #20170239105

Underpants-type disposable diaper

The present invention is intended to improve a fit to the lower part of a gluteal region. The foregoing issue is solved by an underpants-type disposable diaper in which an outer body is formed by stacking an elastic sheet layer between a first sheet layer and a second sheet layer, when the elastic sheet layer is extended in a width direction, the first sheet layer and the second sheet layer are joined together directly or indirectly at a large number of dot-like joint portions arranged at intervals left in the width-direction and front-back direction, cover parts of the outer body of a back body have peripheral edge regions and surrounded regions surrounded by the peripheral edge regions, and the arrangement density of the dot-like joint portions in the peripheral edge regions is higher than the arrangement density of the dot-like joint portions in the surrounded regions.. ... Daio Paper Corporation

08/17/17 / #20170233616

Ply adhesive and sanitary tissue paper

To provide a ply adhesive that is capable of expressing a sufficient ply adhesion strength, does not harden an area where the ply adhesive is applied, and does not worsen paper texture. The problem can be solved by a ply adhesive that includes: 1-5 mass % of carboxymethylcellulose, a 1 mass % aqueous solution of the carboxymethylcellulose having a viscosity of 100 mpa·s or lower, as an adhesive; and 1-5 mass % of at least one member selected from among propylene glycol, glycerol and butylene glycol as a softening agent.. ... Daio Paper Corporation

08/17/17 / #20170231836

Underpants-type disposable diaper

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. The foregoing issue is solved by providing leg gathers that have: an inside non-woven fabric layer constituting a width-direction inner surface; an outside non-woven fabric layer constituting a width-direction outer surface; elastically stretchable gather materials that are provided along the front-back direction between the inside non-woven fabric layer and the outside non-woven fabric layer of at least forward end portions in front-back direction intermediate portions; and a liquid impervious film that is sandwiched between the inside non-woven fabric layer and the outside non-woven fabric layer ranging from a base end to a position nearer a forward end side than the base end, and is configured such that parts of the leg gathers having the liquid impervious film nearer the base end side than the forward end portions constitute non-woven fabric absent parts where the inside non-woven fabric layer does not exist and the liquid impervious film is exposed.. ... Daio Paper Corporation

07/27/17 / #20170209314

Underpants-type disposable diaper

In an underpants-type disposable diaper including a waist edge portion in which pleats extend straight and which has excellent fit, the inner layer and the outer layer at the waist edge portion of an outer body are joined by an adhesive arranged intermittently or a welding process performed intermittently in the width direction and continuously in a direction crossing the width direction, thereby forming sheet joined sections, waist edge portion resilient and elastic members are sandwiched between the inner layer and the outer layer and fixed to at least one of the inner layer and the outer layer at positions intersecting with the sheet joined sections, and the diaper includes an area not being joined and not having resilient and elastic member at an end portion of the outer body on the waist opening side in the waist edge portion, the area not having sheet joined sections nor the waist edge portion resilient and elastic members, and a vertical range being wider than spacing between the waist edge portion resilient and elastic member positioned closest to the waist opening side, and the waist edge portion resilient and elastic member adjacent thereto.. . ... Daio Paper Corporation

07/13/17 / #20170196738

Method for manufacturing underpants-type disposable diaper, and underpants-type disposable diaper

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. ... Daio Paper Corporation

06/22/17 / #20170175336

Method of producing scented tissue paper product

To provide a method of producing scented tissue paper. The problem is solved by performing shrink wrapping in which a tissue paper housing obtained by carrying fragrance-containing microcapsules on an inner surface of a housing box using a binder is covered with a shrink film and the shrink film is exposed to hot air w so as to be attached to the tissue paper housing, causing the fragrance-containing microcapsules to be detached from the binder by heating the tissue paper housing at the time of the shrink wrapping, and providing the scent for plural sheets of tissue papers.. ... Daio Paper Corporation

06/22/17 / #20170172818

Absorbent article

An absorbent article in which an absorbent body is provided between a liquid permeable topsheet and a backsheet, includes an absorbent body emboss provided from a front surface side of the absorbent body before stacking the liquid permeable topsheet to surround an area corresponding to a body fluid expelling portion; and a front surface emboss, formed separately from the absorbent body emboss and not to overlap the absorbent body emboss, provided from a front surface side of the liquid permeable topsheet.. . ... Daio Paper Corporation

06/08/17 / #20170156944

Absorbent article

. . An absorbent article includes a concave groove formed in an absorbent body; and a highly compressed portion formed at a bottom surface of the concave groove, wherein the highly compressed portion includes a first emboss formed by a pattern in which a unit section, obtained by sectioning the concave groove in a longitudinal direction, is repeatedly positively inverted in a longitudinal direction, the first emboss being formed by extending in a width direction while inclining in the longitudinal direction to cross from a side end to the other side end of the concave groove in the unit section, and a second emboss formed along the concave groove at side edge portions, that are opposite of protruding portions of the first emboss that protrude outwardly in the width direction, respectively, and wherein the first emboss and the second emboss are provided to be apart from each other.. . ... Daio Paper Corporation

03/23/17 / #20170079852

Method for manufacturing stretchable elastic member, and disposable diaper using stretchable elastic member

. . Provided is a method for manufacturing a stretchable elastic member excellent in appearance and reduced in manufacturing cost by applying a first adhesive to an inner surface of a sheet at one side at predetermined intervals, applying a second adhesive to elongated resilient and elastic members at predetermined intervals, forming first application regions in which the first adhesive is applied and first non-application regions between the first application regions and the adjacent first application regions, forming second application regions in which the second adhesive is applied over a large number of the first application regions and second non-application regions between the second application regions and the adjacent second application regions, fixedly installing, on an inner surface of the sheet at the one side, the elongated resilient and elastic members and a sheet at the other side at the outer side of the elongated resilient and elastic members, and cutting the elongated resilient and elastic members in sections in which the first non-application regions and the second application regions oppose each other when seen from the above.. . ... Daio Paper Corporation

03/09/17 / #20170065463

Production method for under pants-type disposable diaper and under pants-type disposable diaper capable of being produced by said production method

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 dorsal side elastic belt and the ventral side elastic belt.. . ... Daio Paper Corporation

02/23/17 / #20170049638

Underpants-type disposable diaper and production method therefor

A main object of the present invention is to improve the fit of edge portions of an outer body around the legs. In at least one of the ventral side outer part and the dorsal side outer part, parts at a lower edge of a side edge correspondence region corresponding to side edge portions in a front-back direction, positioned on the both width direction sides of an inner body, constitute edges of leg openings, a lower part of the side edge correspondence region is set as a folded part that is folded once or plural times in a zigzag manner in the front-back direction and fixed at the side edge portions, the folded part is gradually unfolded downward with increasing proximity to the width-direction central side, and the folded part is fixed in a halfway or completely downward unfolded state to the inner body at the width direction central portion, and elongated oblique resilient and elastic members are fixed in an extended state in a direction from the folded part to the side edges of the inner body below the folded part.. ... Daio Paper Corporation

02/23/17 / #20170049637

Underpants-type disposable diaper

To enable producing without the need for an extension step of an outer body while being excellent in a fit of the edges around the legs. The above problem is solved by an underpants-type disposable diaper wherein an inner body is joined to a crotch side edge portion of a central portion in a width direction of a dorsal side outer body to form an inner body joined section, a front-back length of a side closer to a waist side than the inner body joined section is extensible to a crotch side, and the side closer to the waist side than the inner body joined section in the inner body can be moved to the crotch side, relative to a dorsal side outer body.. ... Daio Paper Corporation

01/19/17 / #20170014280

Method for producing absorbent article and absorbent article

. . A method for producing an absorbent article includes: while conveying non-woven fabric to be a top sheet by drawing from the downstream side, forming extruded projections by embossing; placing a material for a second sheet on the back surface of the non-woven fabric with the extruded projections; and joining the non-woven fabric and material for the second sheet in a joint pattern in which top-second joint portions are formed between the md direction adjacent extruded projections at cd direction central positions corresponding to cd direction central portions of the adjacent extruded projections and at lateral positions on the cd direction both sides of the central positions. A md direction joint range of the top-second joint portions is wider continuously or stepwise with increasing proximity from the central position to the lateral sides. ... Daio Paper Corporation

01/19/17 / #20170014277

Method for producing stretchable structure for absorbent article, method for producing underpants-type disposable diaper, and underpants-type disposable diaper

The present invention provides an underpants-type disposable diaper that has pleats formed in an outer body, which vertically and straightly extend, is excellent in appearance and air permeability, and is excellent in drawing preventing performance of a resilient and elastic member. The above-mentioned object is solved by a method for producing an underpants-type disposable diaper including, in forming stretchable regions, applying an adhesive to both an external surface of an inside layer and an internal surface of an outside layer in the same vertical striped pattern intermittent in an md direction while transporting the inside layer and the outside layer, and then, fixing resilient and elastic members to the inside layer and the outside layer by bonding the inside layer and the outside layer to each other such that a position of the adhesive on the inside layer in the md direction and a position of the adhesive on the outside layer in the md direction are made to match with each other and sandwiching the resilient and elastic members between the inside layer and the outside layer continuously along the md direction.. ... Daio Paper Corporation








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