JP4167406B2 - Absorbent article and a manufacturing method thereof - Google Patents

Absorbent article and a manufacturing method thereof Download PDF

Info

Publication number
JP4167406B2
JP4167406B2 JP2001162963A JP2001162963A JP4167406B2 JP 4167406 B2 JP4167406 B2 JP 4167406B2 JP 2001162963 A JP2001162963 A JP 2001162963A JP 2001162963 A JP2001162963 A JP 2001162963A JP 4167406 B2 JP4167406 B2 JP 4167406B2
Authority
JP
Japan
Prior art keywords
absorber
domed section
absorbent article
absorbent
momizo
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2001162963A
Other languages
Japanese (ja)
Other versions
JP2002345888A (en
Inventor
正樹 松岡
雅也 藤田
Original Assignee
大王製紙株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 大王製紙株式会社 filed Critical 大王製紙株式会社
Priority to JP2001162963A priority Critical patent/JP4167406B2/en
Publication of JP2002345888A publication Critical patent/JP2002345888A/en
Application granted granted Critical
Publication of JP4167406B2 publication Critical patent/JP4167406B2/en
Application status is Active legal-status Critical
Anticipated expiration legal-status Critical

Links

Images

Description

【0001】 [0001]
【発明の属する技術分野】 BACKGROUND OF THE INVENTION
本発明は、経血、おりもの、尿などを吸収するための生理用ナプキン、パンティライナー、失禁パッド等の吸収性物品に係り、詳しくは吸収体の中高部を際立たせることができるとともに、経血やおりもの等の拡散を促進することで吸収能の増大、逆戻りを防止した吸収性物品およびその製造方法に関する。 The present invention, menstrual blood, textiles, sanitary napkins for absorbing urine, etc., panty liners, relates to absorbent articles of the incontinence pad or the like, together with details can accentuate the domed section of the absorber, through increase in absorption capacity by promoting the diffusion of such blood or fabrics, the absorbent article to prevent reversion and a manufacturing method thereof.
【0002】 [0002]
【従来の技術】 BACKGROUND OF THE INVENTION
従来より、吸収体の一部を使用面側に突出させることにより(以下、中高部という。)、フィット性を向上させ、液漏れを防止した吸収性物品が提供されている。 Conventionally, by protruding a part of the absorber to the use surface side (hereinafter, referred domed section.), To improve the fit, an absorbent article has been provided which prevents leakage. 前記中高部を形成する方法としては、パルプの積繊時に吸収体の一部にパルプを他より多く積繊し中高部を形成する方法と、吸収体全体を厚く均一に積繊した後、圧搾により中高部を形成する方法とがある。 As the method for forming the domed section, the method of forming many fiber stacking and domed section the pulp than other part of the absorber to the pulp product 繊時, after thickened uniformly fiber stacking the entire absorber, squeeze and a method of forming a domed section by.
【0003】 [0003]
また、前記中高部の形状を保持するとともに、吸収体に吸収された経血等を堰き止めるために、前記中高部の周囲に線状のエンボス加工(以下、フィットエンボスという。)により凹状の防漏溝を形成することも行われている。 Further, it holds the shape of the domed section, in order to block the menstrual blood or the like absorbed in the absorbent body, the linear embossing around the domed section (hereinafter, referred fit embossing.) By concave proof It has also been made to form a Momizo.
【0004】 [0004]
【発明が解決しようとする課題】 [Problems that the Invention is to Solve
しかしながら、前記中高部を有する吸収体は、図10に示されるように、通常は基本厚h 0の標準部吸収体50の表面側に隆起高h 1の中高部51を有する断面形状を成しており、仮に前記中高部の隆起高h 1を鎖線で示すように隆起高h 2に上げたいとすれば、当然に吸収体の総厚H 1は、基本厚h 0に隆起高h 2を加算した厚みとなってしまい、吸収体が増厚することになる。 However, the absorber having the domed section, as shown in FIG. 10, normally forms a cross-sectional shape having a domed portion 51 of the ridge height h 1 on the surface side of the standard portion absorber 50 of the basic thickness h 0 and which, if desired tentatively raised ridge height h 1 of the domed section the raised height h 2 as shown by a chain line, the total thickness H 1 of course absorber, a raised height h 2 to the basic thickness h 0 It becomes an addition to the thickness, so that the absorbent body is thick increase.
【0005】 [0005]
また、中高部51に排出された経血等の拡散が少ないと、同図に斜線で示される領域に多くの経血等が偏在して滞留することになるため、吸収能の増大が図れないとともに、逆戻りが起こりやすくなるなどの問題がある。 Further, the diffusion of menstrual blood or the like which is discharged to the domed section 51 is small, this means that many menstrual blood or the like in a region indicated by oblique lines in the figure stays unevenly distributed, it can not be ensured increased absorptivity with, there are problems such as relapse is likely to occur.
【0006】 [0006]
他方、特開平11-33054号公報では、均一に積繊した吸収体を中高形状を象ったフィットエンボスでパルプを圧搾変形し中高部を形成するとともに、中高部の周囲に防漏溝を設けることが記載されている。 On the other hand, in JP-A 11-33054 and JP-uniformly with the pulp then pressed deformed to form the convex portion in fit embossed with Zo' the fiber stacking and convex shape Absorber, provided leakage preventing groove around the domed section it has been described. しかし、中高部の上面と前記防漏溝の底面との間の高低差が大きくなるため、表面材に破れを生じることがある。 However, since the height difference between the top of the domed portion and the bottom surface of the proof Momizo increases, which may cause breakage in the surface material. また、成形した形状を保持するために、吸収体全体に高い圧力を加え固めるか、表面材の一部を溶融させて固化させるなどの方策が採られることになり、吸収体が硬くなる、或いは表面材の一部が硬化するため肌触りが悪化するなどの問題が発生する。 Further, in order to retain the molded shape, or solidify added high pressure across the absorber, it will be measures such as solidified by melting a portion of the surface material is taken, the absorber becomes hard, or part of the surface material is a problem, such as occurs feel is deteriorated to cure.
【0007】 [0007]
そこで本発明の主たる課題は、吸収体の総厚を上げずに中高部の隆起高を高くすることが可能であるとともに、吸収された経血等の拡散を促進し吸収能の増大や逆戻りを防止でき、さらに中高部上面と防漏溝底面とに高低差があっても表面材の破れを発生させないなどの利点を有する吸収性物品およびその製造方法を提供することにある。 Therefore a main object of the present invention, together it is possible to increase the ridge height of the domed section without increasing the total thickness of the absorber, the increase and reversal of the absorption capacity to promote the diffusion of such absorbed menstrual blood prevention can be, in further provide an absorbent article and a manufacturing method thereof has advantages such does not generate breakage of the surface material even when a difference in height and domed upper surface and the leak-proof groove bottom surface.
【0008】 [0008]
【課題を解決するための手段】 In order to solve the problems]
前記課題を解決するための請求項1に係る本発明として、透液性表面シートと、不透液性裏面シートとの間に吸収体が介在され、かつ前記吸収体の一部に表面側に増厚された中高部を有するとともに、少なくとも体液排出部領域において前記中高部の外側に凹状の防漏溝が形成された吸収性物品において、 As the present invention according to claim 1 for solving the above problem, a liquid-permeable topsheet, absorbent body interposed between the liquid-impermeable back sheet, and a surface side portion of the absorbent body and it has a thickened been domed section, the absorbent article concave proof Momizo is formed on the outer side of the domed portion at least the body fluid discharge area,
前記防漏溝は中高部の側部より所定距離だけ離間し、前記防漏溝と前記中高部側部との離間域に前記防漏溝部吸収体よりも厚くかつ吸収体の標準部よりも薄く段状に形成されるとともに、前記防漏溝部吸収体よりも低密度でかつ前記中高部吸収体より高密度の圧搾吸収体領域を形成したことを特徴とする吸収性物品が提供される。 The anti Momizo is spaced from the sides of the domed portion by a predetermined distance, smaller than the standard portion of the anti Momizo and thicker than the leakage preventing groove absorber spaced area between the domed section side and the absorber It is formed in a stepped, the absorbent article being characterized in that to form a dense compressed absorber region than lower density a and the domed section absorber is provided than the leakage preventing groove absorber.
【0009】 [0009]
請求項に係る本発明として、前記圧搾吸収体領域の幅は少なくとも2mm以上である請求項1記載の吸収性物品が提供される。 As the present invention according to claim 2, the width of the compressed absorbent member regions absorbent article of claim 1 Symbol placement is at least 2mm or more is provided.
【0010】 [0010]
請求項に係る本発明として、前記防漏溝の底面と前記圧搾吸収体領域上面との高低差は、0.1〜3.0mmである請求項1、 いずれかに記載の吸収性物品が提供される。 As the present invention according to claim 3, the height difference between the bottom and the compressed absorbent region upper surface of the anti Momizo The absorbent article according to a is claim 1, 2 or 0.1~3.0mm There is provided.
【0011】 [0011]
請求項に係る本発明として、前記防漏溝の底面に、防漏溝方向に沿って凹凸状に圧搾差が設けられた請求項1〜 いずれかに記載の吸収性物品が提供される。 As the present invention according to claim 4, the bottom surface of the anti Momizo, the absorbent article is provided according to any one of claims 1 to 3 for compressed difference uneven along the leakage preventing groove direction is provided .
【0012】 [0012]
請求項に係る本発明として、請求項1〜 いずれかに記載の吸収物品の製造方法であって、吸収体の一部に表面側に増厚された中高部を有するように積繊した後、表面側に透液性表面シートを積層し、次いで加圧エンボスロールによる透液性表面シート側からのエンボス加工により、前記防漏溝および圧搾吸収体領域を同時的に形成することを特徴とする吸収性物品の製造方法が提供される。 As the present invention according to claim 5, a manufacturing method of an absorbent article according to any of claims 1-4, and fiber stacking so as to have a convex portion which is thickened on the surface side to a part of the absorbent body after, characterized in that the liquid-permeable surface sheet on surface side is laminated, followed by embossing from the liquid-permeable surface sheet side by pressure embossing rolls, to simultaneously form said anti Momizo and compressed absorber region method of manufacturing an absorbent article to is provided.
【0013】 [0013]
請求項に係る本発明として、前記加圧エンボスロールに形成された圧搾吸収体領域形成用凸部の中高部がわ側縁を、吸収体の積繊後の状態で、中高部上面よりも外側であってかつ中高部側部の傾斜面内または傾斜面の略下端位置に合わせてエンボス加工を施し、前記圧搾吸収体領域を形成するようにする請求項記載の吸収性物品の製造方法が提供される。 As the present invention according to claim 6, the domed section I side edge of the pressurized squeeze absorber formed pressure embossing roll area forming convex part, in the state of the product繊後absorber, than the domed section top embossed in accordance with the substantially lower end position of an outer and inclined plane or inclined surfaces of the domed section side, a manufacturing method of an absorbent article according to claim 5 to form the compressed absorbent region There is provided.
【0014】 [0014]
【発明の実施の形態】 DETAILED DESCRIPTION OF THE INVENTION
以下、本発明の実施の形態について図面を参照しながら詳述する。 Hereinafter will be described in detail with reference to the drawings, embodiments of the present invention.
図1は本発明に係る吸収性物品1Aの一部破断平面図であり、図2は吸収体形状のみを模式的に示した図1のII−II線矢視図である。 Figure 1 is a partially cutaway plan view of an absorbent article 1A according to the present invention, FIG 2 is a taken along the line II-II of FIG 1, only the absorber shape shown schematically.
【0015】 [0015]
吸収性物品1Aは、主にはパンティライナー、生理用ナプキン、おりものシート、失禁パッドなどの用途に供されるもので、例えば図1に示されるように、不透液性裏面シート2と、透液性表面シート3(以下、単に表面シートともいう。)との間に、吸収体4または同図に示すように、前記吸収体4とこれを囲繞するクレープ紙5とからなる吸収体ユニット6が介在された構造となっている。 The absorbent article 1A is mainly the pantiliners, sanitary napkins, textile sheets, intended to be subjected to applications such as incontinence pads, for example, as shown in FIG. 1, a liquid-impermeable back sheet 2, liquid-permeable surface sheet 3 (hereinafter, simply referred to as topsheet.) between, as shown in the absorber 4 or the figure, the absorber unit made of crepe paper 5 which surrounds it and the absorber 4 6 is a intervening structure. 前記吸収体4の周囲においては、前記不透液性裏面シート2と透液性表面シート3とがホットメルト接着剤等の接着手段によって接合されている。 Wherein in the periphery of the absorbent body 4, and the liquid-impermeable back sheet 2 and the liquid-permeable surface sheet 3 are joined by adhesive means such as a hot melt adhesive.
【0016】 [0016]
前記不透液性裏面シート2は、ポリエチレン、ポリプロピレン等の少なくとも遮水性を有するシート材が用いられるが、この他にポリエチレンシート等に不織布を積層したラミネート不織布や、さらには防水フィルムを介在して実質的に不透液性を確保した上で不織布シート(この場合には、防水フィルムと不織布とで不透液性裏面シートを構成する。)などを用いることができる。 The liquid-impermeable back sheet 2 may be polyethylene, although the sheet material having at least water-blocking polypropylene or the like is used, or a laminate non-woven fabric formed by laminating a nonwoven fabric on the polyethylene sheet or the like In addition, further interposed a waterproof film nonwoven fabric sheet (in this case, constitutes a liquid-impermeable back sheet by the waterproof film and the nonwoven fabric.) while ensuring a substantially liquid-impervious or the like can be used. 近年はムレ防止の観点から透湿性を有するものが好適に用いられる傾向にある。 In recent years, there is a tendency that is preferably used with a moisture permeability in terms of preventing stuffiness. この遮水・透湿性シート材としては、ポリエチレンやポリプロピレン等のオレフィン系樹脂中に無機充填剤を溶融混練してシートを成形した後、一軸または二軸方向に延伸することにより得られる微多孔性シートが好適に用いられる。 As the water barrier-breathable sheet material, after molding the sheet by melt-kneading an inorganic filler in an olefin resin such as polyethylene or polypropylene, microporous obtained by stretching uniaxially or biaxially sheet is preferably used.
【0017】 [0017]
前記吸収体4としては、体液を吸収・保持し得るものであれば良く、通常はフラッフ状パルプ中に吸収性ポリマー粉末を混在したものが吸収機能および価格の点から好適に使用される。 As the absorber 4, as long as it can absorb and retain body fluids, usually obtained by mixing the absorbent polymer powder into fluff pulp it is preferably used from the viewpoint of absorbing function and price. 前記パルプとしては、木材から得られる化学パルプ、溶融パルプ等のセルロース繊維や、レーヨン、アセテート等の人工セルロース繊維からなるものが挙げられ、広葉樹パルプよりは繊維長の長い針葉樹パルプの方が機能および価格の面で好適に使用される。 As the pulp, chemical pulp obtained from wood, and cellulose fibers such as melt pulp, rayon, made of artificial cellulose fiber acetate and the like, it functions better long softwood pulp fiber length than hardwood pulp and It is preferably used in terms of price. 前記吸収体4は、形状保持、および経血等を速やかに拡散させるとともに、一旦吸収した経血等の逆戻りを防止するためにクレープ紙5によって囲繞するのが望ましい。 The absorber 4, shape retention, and causes diffuse promptly menstrual blood, for surrounded by crepe paper 5 is desirable in order to prevent temporarily the reversal of such absorbed menstrual blood. また、吸収体4の平面形状は、図示されるように、小判状としてもよいし、或いは股間部への当たりを和らげるためにフィットカット形状(ひょうたん形状)としてもよい。 The planar shape of the absorbent body 4, as illustrated, may be oval, or may have a fit-shaped cross (gourd shape) to relieve contact of the crotch portion.
【0018】 [0018]
一方、本吸収性物品1Aにおける表面シート3としては、無孔または有孔の不織布や多孔性プラスチックシートなどが好適が用いられる。 On the other hand, the topsheet 3 in the absorbent article 1A, such as non-porous or perforated nonwoven fabric or porous plastic sheet is preferably used. 前記不織布を構成する素材繊維としては、たとえばポリエチレンまたはポリプロピレン等のオレフィン系、ポリエステル系、ポリアミド系等の合成繊維の他、レーヨンやキュプラ等の再生繊維、綿等の天然繊維とすることができる。 The material fibers constituting the nonwoven fabric, for example olefin such as polyethylene or polypropylene, polyester, other synthetic fibers, polyamide or the like, may be rayon or regenerated fibers such as cupra, natural fibers such as cotton. また、融点の高い繊維を芯とし融点の低い繊維を鞘とした芯鞘型繊維やサイド−バイ−サイド型繊維、分割型繊維等の複合繊維も好適に用いることもできる。 Further, core-sheath fibers or side of the low fiber melting point as a core with a high melting point fibers as the sheath - by - side type fibers, composite fibers such as splittable fibers also may suitably used.
【0019】 [0019]
加工法については、スパンレース法、スパンボンド法、サーマルボンド法、メルトブローン法、ニードルパンチ法等の適宜の加工法によって得られた不織布を用いることができる。 The processing method, spun lace method, spun bond method, thermal bond method, or a melt blown method, nonwoven fabrics obtained by proper processing methods needle punching method or the like. これらの加工法の内、スパンレース法は柔軟性、ドレープ性に富む点で優れ、サーマルボンド法は嵩高でソフトである点で優れている。 Among these processing methods, the spun lace method is flexible, excellent in rich drapability, thermal bonding method is excellent in that they are bulky and soft. また、エンボス加工が施しやすい点では合成繊維からなる不織布が好適に使用される。 From the viewpoint of embossing it tends subjected nonwoven fabric made of synthetic fibers are preferably used.
【0020】 [0020]
前記吸収体4の表面側には、図2に示されるように、吸収体4の一部に対し、標準部吸収体4A(後述の防漏溝8および圧搾吸収体領域7以外の一般部分)よりも表面側に増厚された中高部6を有するとともに、少なくとも体液排出部領域Kにおいて前記中高部6の外側に凹状の防漏溝8が形成されている。 Wherein the surface side of the absorbent body 4, as shown in FIG. 2, with respect to a portion of the absorbent body 4, a standard part absorber 4A (anti Momizo 8 and general portions other than compressed absorber region 7 to be described later) which has a domed section 6 which is thickened on the surface side than the concave anti Momizo 8 outside of the domed portion 6 at least the body fluid discharge area K is formed. 前記防漏溝8は、中高部6の側部Pより所定距離だけ外側に離間し、前記防漏溝8と前記中高部側部Pとの間には前記防漏溝部吸収体よりも厚くかつ標準部吸収体4Aよりも薄く段状に形成されるとともに、前記防漏溝部吸収体よりも低密度でかつ中高部吸収体より高密度の圧搾吸収体領域7が形成されている。 The anti Momizo 8, spaced outwardly from the side P of the domed section 6 by a predetermined distance, between the said domed section side P and the anti Momizo 8 and thicker than the leakage preventing groove absorber It is formed in a thin stepped than the standard portion absorber 4A, compressed absorbent region 7 of a high-density than the low density a and domed section absorber than the leakage preventing groove absorber is formed.
【0021】 [0021]
以上のように構成される本吸収性物品1Aでは、中高部6の周辺領域に標準部吸収体4Aよりも薄肉の圧搾吸収体領域7を形成したため、中高部6の隆起高を前記圧搾吸収体領域7の上面から中高部6上面までの距離h 2とすることができ、吸収体4の総厚Hを増厚することなく、標準部吸収体4Aの上面から中高部6上面までの寸法h 1 (通常はこのh 1寸法が隆起高となる。)よりも大きく取ることができ、中高部6を際立たせることが可能となる。 In the absorbent article 1A constructed as described above, for forming a compressed absorbent body region 7 of the thin than the standard portion absorber 4A in the peripheral region of the domed section 6, the squeezing absorber raised height of the domed section 6 be a distance h 2 from the upper surface of the region 7 to the domed section 6 top, without increasing thickness the total thickness H of the absorbent member 4, the dimensions of the upper surface of the standard portion absorber 4A to domed portion 6 upper surface h 1 (usually this h 1 dimension is raised high.) it can be made larger than it is possible to highlight the domed section 6.
【0022】 [0022]
また、前記防漏溝8、圧搾吸収体領域7および中高部6の密度(吸収体の繊維密度)は、前記防漏溝8部分が最も高く、前記圧搾吸収体領域7部分の吸収体が中高部6の吸収体よりも相対的に高くなっている。 Further, (fiber density of the absorbent body) the proof Momizo 8, compressed absorbent region 7 and density of the domed section 6, the anti Momizo 8 parts is the highest, the absorber of the compressed absorbent body region 7 parts crowned It is relatively higher than the absorbent body parts 6. その結果、中高部6に排出された経血等の体液9が圧搾吸収体領域7側に拡散するようになるため、吸収能の増大が図れるとともに、体液の拡散により逆戻りも防止できるようになる。 As a result, the body fluid 9 such as menstrual blood discharged into the domed section 6 comes to diffuse into the compressed absorbent body region 7 side, with increasing absorption capacity can be achieved, it becomes possible to prevent back by the diffusion of the body fluid . なお、圧搾吸収体領域7まで拡散により移動した体液9は、防漏溝8位置で堰き止められ、これ以上側方には移動しない。 Incidentally, the body fluid 9 moved by diffusion to squeeze absorber region 7, dammed by Bomomizo 8 position, does not move any more laterally.
【0023】 [0023]
さらに、後述の如く前記防漏溝8および圧搾吸収体領域7は加圧エンボスロール10による透液性表面シート3側からのエンボス加工により形成されるが、中高部6と防漏溝8との間に干渉帯となる圧搾吸収体領域7が存在するため、エンボス付与時に表面シート3の破れも同時に防止できるようになる。 Furthermore, the anti Momizo 8 and compressed absorbent region 7 as will be described later is formed by embossing from the liquid-permeable surface sheet 3 side by the pressure embossing roll 10, the domed section 6 and the leak-barrier groove 8 since the compressed absorbent body region 7 an interference band between the presence, breaking the topsheet 3 upon embossing imparted also to be prevented at the same time.
【0024】 [0024]
前記防漏溝8の溝幅S 1は、1〜5mm、好ましくは2〜3mmとされる。 Groove width S 1 of the explosion Momizo 8, 1 to 5 mm, and preferably from 2 to 3 mm. 溝幅S 1が1mm未満では防漏溝の本来の目的である経血の拡がり抑制と、吸収体を固定することによるヨレ防止機能が発揮されない。 And the ink spread suppressing menses the original purpose of the leakage preventing groove is less than the groove width S 1 is 1 mm, twist preventing function is not exhibited by fixing the absorber. また、溝幅S 1が5mmを超える場合には固化した防漏溝8の剛性のため吸収体4に硬さが現れ、装着感を損なうようになる。 Further, it appeared hardness in the absorber 4 for stiffness-proof Momizo 8 solidified if the groove width S 1 is greater than 5 mm, so impair the wearing comfort.
【0025】 [0025]
前記圧搾吸収体領域7の幅寸法S 2は、少なくとも2mm以上、好ましくは5mm以上とされる。 Width S 2 of the compressed absorbent body region 7, at least 2mm or more, preferably not less than 5 mm. 少なくとも2mm以上の領域がないと、中高部6を際立たせることが困難になるとともに、実際上のフィット効果も期待出来ない。 When at least 2mm or more regions not, it becomes difficult to accentuate domed section 6, not even be expected practical fit effect. なお、前記幅寸法S 2の最大寸法は概ね25mm未満、好ましくは20mm未満とされる。 The maximum dimension is generally less than 25mm of the width S 2, and preferably less than 20 mm.
【0026】 [0026]
また、前記防漏溝8の底面と前記圧搾吸収体領域7上面との高低差h 3は、0.1〜3.0mmが好ましく、0.3〜1.0mmがより好ましい。 Further, the height difference h 3 bottom and with the compressed absorbent body region 7 the upper surface of the anti Momizo 8, preferably 0.1 to 3.0 mm, 0.3 to 1.0 mm is more preferable. 高低差h 3が0.1mm未満の場合には防漏溝8と圧搾吸収体領域7との境界が明確で無くなり、中高部6を際立てる機能および体液拡散機能の一方側の機能しか果たせなくなる。 If the height difference h 3 below 0.1mm is eliminated a clear boundary between the compressed absorbent body region 7 and Bomomizo 8, not fulfill only one side functions of that Kiwadate the domed section 6 and the fluid diffusion function . また、高低差h 3が3.0mmを超えると、エンボス付与時に表面シート3に破れを生じる可能性があり好ましくない。 Further, if the height difference h 3 exceeds 3.0 mm, it may cause breakage in the surface sheet 3 during embossing imparting undesirable.
【0027】 [0027]
前記中高部6の幅寸法は、女性の股間幅の平均寸法を考慮し、前記中高部6の上面幅D Uを15〜40mm、中高部6の底幅D Lを20〜60mmとするのがよい。 Width of the domed portion 6, taking into account the average size of the crotch width of the female, the upper surface width D U of the domed section 6 15 to 40 mm, a bottom width D L of the domed portion 6 to the 20~60mm good.
【0028】 [0028]
前記防漏溝8と圧搾吸収体領域7とを吸収体4に形成するには、図3に示されるように、ライン上を搬送される吸収体4の上面側に透液性表面シート3を積層した後、加圧エンボスロール10と、アンビルロール11とを所定の間隙を空けた状態で対向配置したエンボス加工装置12を通過させることにより同時的に形成するのが望ましい。 To form the said anti Momizo 8 and compressed absorbent region 7 into the absorbent body 4, as shown in FIG. 3, a liquid-permeable topsheet 3 on line on the upper surface side of the absorber 4 to be conveyed after lamination, a pressure embossing roll 10, it is desirable to simultaneously form by passing the anvil roll 11 and the embossing device 12 which is opposed in a state in which the spaced a predetermined gap.
【0029】 [0029]
前記加圧エンボスロール10は、詳細には図4に示されるように、ロール表面に前記防漏溝8および圧搾吸収体領域7の形状に対応する凸部13が1または複数形成された加圧ロールが使用される。 The pressure embossing roll 10, as in detail shown in Figure 4, the pressure of the convex portion 13 corresponding to the shape of the surface of the roll-proof Momizo 8 and compressed absorber region 7 are one or more forms roll is used. この場合、前記凸部13は防漏溝形成用凸部13Aと圧搾吸収体領域形成用凸部13Bとが隣接して一体的に形成されたものとなっている。 In this case, the convex portion 13 is made to have been integrally formed adjacent and the convex portion 13B for compressed absorbent region forming the leakage preventing groove forming convex part 13A. この加圧エンボスロール10の温度は、透液性表面シート3の融点および圧搾時間にもよるが、前記透液性表面シート3が溶融固化しない条件の下で、好ましくは50〜200℃、より好ましくは60〜150℃とするのがよい。 The temperature of the pressure embossing roll 10, depending on the melting point and pressing time of liquid-permeable topsheet 3, the liquid-permeable surface sheet 3 under conditions that do not melt and solidified, preferably 50 to 200 ° C., more and it is preferably a 60 to 150 ° C..
【0030】 [0030]
また、前記防漏溝形成用凸部13Aの長手方向形状は、図5(A)に示されるように、防漏溝方向に沿って平面状の凸部としてよいが、図5(B)に示されるように、凹凸状とし、防漏溝8の底面に凹凸状の圧搾差を設けるようにしてもよい。 Further, the longitudinal direction the shape of the anti Momizo forming convex part 13A, as shown in FIG. 5 (A), but may as planar protrusion along the leakage preventing groove direction, in FIG. 5 (B) as shown, the uneven may be provided an uneven squeezing difference on the bottom of Bomomizo 8. 凹凸状の圧搾差を設ける場合には、表面シート3を伝わって防漏溝8内に流入した体液が密度の高い高圧搾部側から素早く吸収されるようになる。 When providing an uneven squeezing difference fluids flowing into the explosion Momizo 8 transmitted the topsheet 3 is made to be quickly absorbed from the dense high compression portion.
【0031】 [0031]
一方、エンボス付与位置は、中高部6を際立たせるとともに、中高部6の吸収体の硬化を防止するためには、図6に示されるように、前記加圧エンボスロール10に形成された圧搾吸収体領域形成用凸部13Bの中高部がわ側縁R Iを、吸収体の積繊後の状態で、中高部6上面よりも外側であって、かつ中高部6の傾斜面内の位置に合わせてエンボスを付与するのが望ましい。 On the other hand, it embossed applying position, as well as accentuate domed section 6, in order to prevent the hardening of the absorber domed section 6, as shown in FIG. 6, formed in said pressure embossing roll 10 squeeze absorption the domed section I side edge R I of the body region forming projection 13B, in the state of the product繊後absorber, an outer than the domed section 6 top, and the position of the inclined surface of the domed portion 6 it is desirable to impart embossing combined. また、前記中高部がわ側縁R Iを中高部6上面よりも外側であって、かつ傾斜面の下端位置に合わせてエンボスを付与するようにしてもよい。 Further, the domed section of the I side edge R I an outer than the domed section 6 top, and may be given an embossed in accordance with the lower end position of the inclined surface.
【0032】 [0032]
上記例では防漏溝8と圧搾吸収体領域7とは段状に形成したが、図7に示されるように、防漏溝8の底部から連続して傾斜状に、すなわち中高部6側に向かって漸次吸収体厚を増厚させるように形成してもよい。 In the above example has been formed on the stepped and Bomomizo 8 and compressed absorber region 7, as shown in FIG. 7, the inclined continuously from the bottom of Bomomizo 8, i.e. the domed section 6 side gradually absorber thickness toward may be formed so as to thickened the. この場合の加圧エンボスロール10の凸部形状13'は、図8(A)(B)に示される形状のものが使用される。 The pressurized convex shape 13 of the pressure embossing roll 10 'of the case, a shape shown in FIG. 8 (A) (B) is used. 図中、(A)は圧搾吸収体領域7を防漏溝8の底部から連続して傾斜状に形成する場合の凸部形状であり、(B)はエンボス形成方向に沿って凹凸状の圧搾差を設ける場合の凸部形状である。 Figure, (A) is a convex shape in the case of forming a compressed absorber region 7 in inclined continuously from the bottom of the leak-barrier grooves 8, (B) is uneven squeezing along the embossing direction a convex shape of the case where a difference.
【0033】 [0033]
ところで、上記吸収性物品の例では、圧搾吸収体領域7を中高部6の両側にかつ長手方向に沿って略均等幅で形成したが、図9に示されるように、体液排出部領域Kを含む側部域にのみ圧搾吸収体領域7を形成するようにしてもよい。 Incidentally, in the example of the absorbent article has been formed in a substantially uniform width along the longitudinal direction and the compression absorber region 7 on both sides of the domed portion 6, as shown in FIG. 9, the fluid discharge region K it may be formed only squeeze absorber region 7 on the side area containing. 図9に示される吸収性物品1Bの他の構造については、図1の吸収性物品1Aと同様であるため、同符号を付して説明は省略する。 The other structures of the absorbent article 1B shown in FIG. 9 is similar to the absorbent article 1A of Fig. 1, is described by the same symbol it will be omitted.
【0034】 [0034]
【発明の効果】 【Effect of the invention】
以上詳説のとおり本発明によれば、吸収体の総厚を上げずに中高部の隆起高を高くすることが可能であるとともに、吸収された経血等の拡散を促進し吸収能の増大や逆戻りを防止できるようになる。 According to the present invention as detailed above, the it is possible to increase the ridge height of the domed section without increasing the total thickness of the absorber, Ya increased promote absorption capacity diffusion of such absorbed menstrual blood it becomes possible to prevent a relapse. さらには、中高部上面と防漏溝底面とに高低差があっても、中間に形成した圧搾吸収体領域が干渉帯となって表面材に破れを発生させないなどの利点を有するものとなる。 Furthermore, even if there is a difference in height and domed upper surface and leakage preventing groove bottom face comes to have advantages such as compressed absorber region formed in the intermediate does not generate the tear surface material as an interference band.
【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS
【図1】 本発明に係る吸収性物品1Aの一部破断平面図である。 1 is a partially cutaway plan view of an absorbent article 1A according to the present invention.
【図2】 吸収体形状のみを模式的に示した図1のII−II線矢視図である。 2 is a taken along the line II-II of FIG 1, only the absorber shape shown schematically.
【図3】 防漏溝8及び圧搾吸収体領域7の形成要領を示す概略図である。 Figure 3 is a schematic diagram showing the formation procedure of Bomomizo 8 and compressed absorbent region 7.
【図4】 図3のIV−IV線矢視図である。 4 is a view taken along the line IV-IV of FIG 3.
【図5】 (A)及び(B)は共に加圧エンボスロール10に形成した凸部13A、13Bの形状例を示す図である。 [5] (A) and (B) is a diagram illustrating both the pressure embossing roll 10 to form the convex portion 13A, an example of the shape of 13B.
【図6】 圧搾吸収体領域7の形成位置を示す図である。 6 is a diagram showing a formation position of compressed absorbent region 7.
【図7】 圧搾吸収体領域7の形成態様の他例を示す吸収体要部断面図である。 7 is a absorber fragmentary cross-sectional view showing another example of the formation of the compressed absorbent body region 7.
【図8】 (A)及び(B)は共に、圧搾吸収体領域7の他例を形成するための凸部形状例を示す図である。 8 (A) and (B) are both a diagram showing a protrusion shape example for forming another embodiment of the compressed absorbent body region 7.
【図9】 他の防漏溝8及び圧搾吸収体領域7の形成態様を示す吸収性物品1Bの一部破断平面図である。 9 is a partially broken plan view of an absorbent article 1B shown another formation of the anti Momizo 8 and compressed absorbent region 7.
【図10】 従来の中高部形成要領を示す吸収体模式断面図である。 10 is a absorber schematic sectional view showing a conventional domed section forming procedure.
【符号の説明】 DESCRIPTION OF SYMBOLS
1…吸収性物品、2…不透液性裏面シート、3…透液性表面シート、4…吸収体、5…クレープ紙、6…中高部、7…圧搾吸収体領域、8…防漏溝、10…加圧エンボスロール、11…アンビルロール Reference Signs List 1 absorbent article 2 liquid-impermeable back sheet, 3 ... liquid-permeable surface sheet 4 absorber 5 crepe paper, 6 ... domed section, 7 ... compression absorber region, 8 ... Bomomizo , 10 ... pressure embossing roller, 11 ... anvil roll

Claims (6)

  1. 透液性表面シートと、不透液性裏面シートとの間に吸収体が介在され、かつ前記吸収体の一部に表面側に増厚された中高部を有するとともに、少なくとも体液排出部領域において前記中高部の外側に凹状の防漏溝が形成された吸収性物品において、 A liquid-permeable topsheet, absorbent body interposed between the liquid-impermeable back sheet, and which has a domed section which is thickened on the surface side in a portion of the absorber, at least the body fluid discharge area in absorbent articles concave proof Momizo is formed on the outer side of the domed section,
    前記防漏溝は中高部の側部より所定距離だけ離間し、前記防漏溝と前記中高部側部との離間域に前記防漏溝部吸収体よりも厚くかつ吸収体の標準部よりも薄く段状に形成されるとともに、前記防漏溝部吸収体よりも低密度でかつ前記中高部吸収体より高密度の圧搾吸収体領域を形成したことを特徴とする吸収性物品。 The anti Momizo is spaced from the sides of the domed portion by a predetermined distance, smaller than the standard portion of the anti Momizo and thicker than the leakage preventing groove absorber spaced area between the domed section side and the absorber absorbent article is formed in a stepped, characterized in that the formation of the leakage preventing groove absorber dense compressed absorber region than lower density a and the domed section absorber than.
  2. 前記圧搾吸収体領域の幅は少なくとも2mm以上である請求項1記載の吸収性物品。 The absorbent article of claim 1 Symbol mounting width of the compressed absorbent body region is at least 2mm or more.
  3. 前記防漏溝の底面と前記圧搾吸収体領域上面との高低差は、0.1〜3.0mmである請求項1、 いずれかに記載の吸収性物品。 The height difference between the bottom and the compressed absorbent region upper surface of the vibration Momizo The absorbent article according to a is claim 1, 2 or 0.1 to 3.0 mm.
  4. 前記防漏溝の底面に、防漏溝方向に沿って凹凸状に圧搾差が設けられた請求項1〜 いずれかに記載の吸収性物品。 The proof on the bottom of Momizo The absorbent article according to any one of claims 1 to 3 for compressed difference uneven along the leakage preventing groove direction is provided.
  5. 請求項1〜 いずれかに記載の吸収物品の製造方法であって、吸収体の一部に表面側に増厚された中高部を有するように積繊した後、表面側に透液性表面シートを積層し、次いで加圧エンボスロールによる透液性表面シート側からのエンボス加工により、前記防漏溝および圧搾吸収体領域を同時的に形成することを特徴とする吸収性物品の製造方法。 A manufacturing method of an absorbent article according to any of claims 1-4, after fiber stacking so as to have a convex portion which is thickened on the surface side to a part of the absorbent body, liquid-permeable surface on the surface side laminating sheet, followed by embossing from the liquid-permeable surface sheet side by pressure embossing roll, a method of manufacturing absorbent articles, and forming the anti Momizo and compressed absorbent region simultaneously.
  6. 前記加圧エンボスロールに形成された圧搾吸収体領域形成用凸部の中高部がわ側縁を、吸収体の積繊後の状態で、中高部上面よりも外側であってかつ中高部側部の傾斜面内または傾斜面の略下端位置に合わせてエンボス加工を施し、前記圧搾吸収体領域を形成するようにする請求項記載の吸収性物品の製造方法。 The domed section I side edge of the pressure embossing roll formed compressed absorbent region forming convex part, in the state of the product 繊後 absorber, and the domed section side an outer than the domed section top substantially embossed in accordance with the lower end position, a manufacturing method of an absorbent article according to claim 5 to form the compressed absorbent region of the inclined plane or inclined surfaces of the.
JP2001162963A 2001-05-30 2001-05-30 Absorbent article and a manufacturing method thereof Active JP4167406B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001162963A JP4167406B2 (en) 2001-05-30 2001-05-30 Absorbent article and a manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001162963A JP4167406B2 (en) 2001-05-30 2001-05-30 Absorbent article and a manufacturing method thereof

Publications (2)

Publication Number Publication Date
JP2002345888A JP2002345888A (en) 2002-12-03
JP4167406B2 true JP4167406B2 (en) 2008-10-15

Family

ID=19006012

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001162963A Active JP4167406B2 (en) 2001-05-30 2001-05-30 Absorbent article and a manufacturing method thereof

Country Status (1)

Country Link
JP (1) JP4167406B2 (en)

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012029964A1 (en) * 2010-08-31 2012-03-08 ユニ・チャーム株式会社 Liner for incontinence
KR20140022880A (en) 2011-05-27 2014-02-25 카오카부시키가이샤 Absorbent article
CN105792785A (en) * 2013-12-11 2016-07-20 花王株式会社 The absorbent article
US9649232B2 (en) 2011-06-10 2017-05-16 The Procter & Gamble Company Disposable diaper having reduced absorbent core to backsheet gluing
US9668926B2 (en) 2011-06-10 2017-06-06 The Procter & Gamble Company Method and apparatus for making absorbent structures with absorbent material
US9713556B2 (en) 2012-12-10 2017-07-25 The Procter & Gamble Company Absorbent core with high superabsorbent material content
US9713557B2 (en) 2012-12-10 2017-07-25 The Procter & Gamble Company Absorbent article with high absorbent material content
US9763835B2 (en) 2003-02-12 2017-09-19 The Procter & Gamble Company Comfortable diaper
US9789011B2 (en) 2013-08-27 2017-10-17 The Procter & Gamble Company Absorbent articles with channels
US9789009B2 (en) 2013-12-19 2017-10-17 The Procter & Gamble Company Absorbent articles having channel-forming areas and wetness indicator
US9974699B2 (en) 2011-06-10 2018-05-22 The Procter & Gamble Company Absorbent core for disposable absorbent articles
US9987176B2 (en) 2013-08-27 2018-06-05 The Procter & Gamble Company Absorbent articles with channels
US10004647B2 (en) 2009-12-02 2018-06-26 The Procter & Gamble Company Apparatus and method for transferring particulate material
US10071002B2 (en) 2013-06-14 2018-09-11 The Procter & Gamble Company Absorbent article and absorbent core forming channels when wet
US10130525B2 (en) 2011-06-10 2018-11-20 The Procter & Gamble Company Absorbent structure for absorbent articles
US10130527B2 (en) 2013-09-19 2018-11-20 The Procter & Gamble Company Absorbent cores having material free areas
US10137039B2 (en) 2013-12-19 2018-11-27 The Procter & Gamble Company Absorbent cores having channel-forming areas and C-wrap seals
US10149788B2 (en) 2011-06-10 2018-12-11 The Procter & Gamble Company Disposable diapers
US10245188B2 (en) 2011-06-10 2019-04-02 The Procter & Gamble Company Method and apparatus for making absorbent structures with absorbent material

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3950098B2 (en) 2003-09-30 2007-07-25 大王製紙株式会社 The absorbent article
KR100925571B1 (en) 2004-11-30 2009-11-06 더 프록터 앤드 갬블 캄파니 Absorbent article having a pair of rear side flaps
US9925094B2 (en) 2004-11-30 2018-03-27 The Procter & Gamble Company Absorbent article having outwardly convex longitudinal central channels for improved protection
EP1833445B1 (en) 2004-11-30 2014-11-05 The Procter and Gamble Company Absorbent article having outwardly convex longitudinal central channels for improved protection
JP5096041B2 (en) * 2007-05-24 2012-12-12 花王株式会社 Surface sheet of the absorbent article
CN101674793B (en) * 2007-05-24 2013-10-02 花王株式会社 Surface sheet for absorptive article, method of producing surface sheet, and absorptive article
JP5103100B2 (en) * 2007-09-05 2012-12-19 花王株式会社 Method for producing a top sheet
JP5164602B2 (en) * 2008-02-25 2013-03-21 ユニ・チャーム株式会社 The absorbent article
JP5329930B2 (en) * 2008-12-03 2013-10-30 花王株式会社 Absorbent article and a manufacturing method thereof
JP5346573B2 (en) * 2008-12-19 2013-11-20 花王株式会社 Manufacturing method of the absorbent article
JP2010142460A (en) * 2008-12-19 2010-07-01 Kao Corp Apparatus for manufacturing absorbent article
JP5551926B2 (en) * 2009-12-09 2014-07-16 花王株式会社 The absorbent article
JP5650994B2 (en) * 2010-11-26 2015-01-07 花王株式会社 Disposable diapers
JP5795493B2 (en) * 2011-05-20 2015-10-14 花王株式会社 The absorbent article
JP5822380B2 (en) * 2011-05-25 2015-11-24 花王株式会社 Manufacturing method of the absorbent body

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9763835B2 (en) 2003-02-12 2017-09-19 The Procter & Gamble Company Comfortable diaper
US10004647B2 (en) 2009-12-02 2018-06-26 The Procter & Gamble Company Apparatus and method for transferring particulate material
WO2012029964A1 (en) * 2010-08-31 2012-03-08 ユニ・チャーム株式会社 Liner for incontinence
US9149395B2 (en) 2010-08-31 2015-10-06 Unicharm Corporation Liner for incontinence
KR20140022880A (en) 2011-05-27 2014-02-25 카오카부시키가이샤 Absorbent article
US10149788B2 (en) 2011-06-10 2018-12-11 The Procter & Gamble Company Disposable diapers
US9649232B2 (en) 2011-06-10 2017-05-16 The Procter & Gamble Company Disposable diaper having reduced absorbent core to backsheet gluing
US9668926B2 (en) 2011-06-10 2017-06-06 The Procter & Gamble Company Method and apparatus for making absorbent structures with absorbent material
US10130525B2 (en) 2011-06-10 2018-11-20 The Procter & Gamble Company Absorbent structure for absorbent articles
US9974699B2 (en) 2011-06-10 2018-05-22 The Procter & Gamble Company Absorbent core for disposable absorbent articles
US10245188B2 (en) 2011-06-10 2019-04-02 The Procter & Gamble Company Method and apparatus for making absorbent structures with absorbent material
US9713557B2 (en) 2012-12-10 2017-07-25 The Procter & Gamble Company Absorbent article with high absorbent material content
US9713556B2 (en) 2012-12-10 2017-07-25 The Procter & Gamble Company Absorbent core with high superabsorbent material content
US10071002B2 (en) 2013-06-14 2018-09-11 The Procter & Gamble Company Absorbent article and absorbent core forming channels when wet
US9789011B2 (en) 2013-08-27 2017-10-17 The Procter & Gamble Company Absorbent articles with channels
US9987176B2 (en) 2013-08-27 2018-06-05 The Procter & Gamble Company Absorbent articles with channels
US10130527B2 (en) 2013-09-19 2018-11-20 The Procter & Gamble Company Absorbent cores having material free areas
CN105792785A (en) * 2013-12-11 2016-07-20 花王株式会社 The absorbent article
US10137039B2 (en) 2013-12-19 2018-11-27 The Procter & Gamble Company Absorbent cores having channel-forming areas and C-wrap seals
US9789009B2 (en) 2013-12-19 2017-10-17 The Procter & Gamble Company Absorbent articles having channel-forming areas and wetness indicator

Also Published As

Publication number Publication date
JP2002345888A (en) 2002-12-03

Similar Documents

Publication Publication Date Title
JP3215262B2 (en) Disposable body fluids absorbent article
CN102264328B (en) Thin absorptive article
JP3933847B2 (en) The absorbent article
JP3481238B2 (en) Absorber having a nonwoven topsheet having a fluid-impermeable region
CA2273507C (en) Body exudates absorbent article
JP2514294B2 (en) The absorbent article for the body side cover -
CA2361862C (en) Absorbent article
JP3926587B2 (en) The absorbent article
EP0985395B1 (en) Sanitary napkin
US8173858B2 (en) Absorptive article and method of producing the same
JP5258380B2 (en) The absorbent article
US5746729A (en) Sanitary napkin
CN101152115B (en) Absorbency substance
KR100200191B1 (en) Flexible absorbent sheet
CN101347370B (en) Sanitary napkin including body-facing protrusions and arcuately arranged embossed channels
EP2409673B1 (en) Absorbent article
EP1669046A1 (en) Absorbent article
JP5279318B2 (en) Absorbent article and a manufacturing method thereof
CN1150872C (en) Mositure absorption article and producing method thereof
CN1157171C (en) Absorbing articles
JP4754528B2 (en) The absorbent article
US7132585B2 (en) Absorbent article with liquid acquisition layer
US20100010464A1 (en) Absorbent article
KR100778719B1 (en) Absorbable article with back sheet and method for producing said back sheet
JP5285706B2 (en) The absorbent article

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20061024

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A711

Effective date: 20061108

Free format text: JAPANESE INTERMEDIATE CODE: A712

Effective date: 20061108

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20070920

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20071001

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20071130

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20080722

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20080801

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110808

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110808

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110808

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110808

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110808

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120808

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120808

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120808

Year of fee payment: 4

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130808

Year of fee payment: 5

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130808

Year of fee payment: 5

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250