JP3488506B2 - Disposable paper diapers - Google Patents
Disposable paper diapersInfo
- Publication number
- JP3488506B2 JP3488506B2 JP10537194A JP10537194A JP3488506B2 JP 3488506 B2 JP3488506 B2 JP 3488506B2 JP 10537194 A JP10537194 A JP 10537194A JP 10537194 A JP10537194 A JP 10537194A JP 3488506 B2 JP3488506 B2 JP 3488506B2
- Authority
- JP
- Japan
- Prior art keywords
- sheet
- shaped
- cut
- leg
- diaper
- 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.)
- Expired - Lifetime
Links
Description
【０００１】[0001]
【産業上の利用分野】本発明は、平面展開状態で脚回り
に沿って曲線状のガスケットカフスが形成された使い捨
て紙おむつ等に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disposable paper diaper or the like in which curved gasket cuffs are formed along the legs in a flattened state.
【０００２】[0002]
【従来の技術】近年、市場に提供されている使い捨て紙
おむつ等は、種々の改良が加えられ漏れ防止が図られて
いる。たとえば、特開昭64-30304号公報（先行例１）に
示されるフラット型紙おむつの場合には、図１０に示さ
れるように、紙おむつの両側に配置される弾性伸縮部材
２０、２０を内方に湾曲させて定着することにより、図
１１に示されるように、装着状態で脚回りに沿った位置
に前記弾性部材伸縮部材２０、２０が配置されるように
し、この弾性伸縮部材２０、２０によって形成されるガ
スケットカフスによって効果的に横漏れを防止しようと
する使い捨て紙おむつが開示されている。2. Description of the Related Art In recent years, disposable paper diapers and the like provided on the market have various improvements to prevent leakage. For example, in the case of the flat paper diaper disclosed in JP-A-64-30304 (Prior example 1), elastic elastic members 20, 20 arranged on both sides of the paper diaper are provided inward as shown in FIG. As shown in FIG. 11, the elastic member elastic members 20, 20 are arranged at positions along the legs in the mounted state by curving and fixing the elastic elastic members 20, 20. Disposable disposable diapers have been disclosed that try to effectively prevent side leakage due to the formed gasket cuffs.
【０００３】また、特開平5-184622号公報（先行例２）
に示されるパンツ型紙おむつの場合は、図１２に示され
るように、同公報例に限ることなく一般的に、脚部開口
の周囲に沿ってガスケットカフスを形成するための弾性
伸縮部材２１、２１が配置される。この脚部弾性伸縮部
材２１、２１は、図１３の平面展開図からも判るよう
に、脚部凹状切欠き部の外縁線に沿って曲線状に配置さ
れる。Further, Japanese Patent Laid-Open No. 5-184622 (Prior example 2)
In the case of the pants-type paper diaper shown in FIG. 12, as shown in FIG. 12, the elastic stretchable members 21, 21 for forming the gasket cuff along the periphery of the leg opening are generally used without being limited to the example of the publication. Are placed. As can be seen from the plan development view of FIG. 13, the leg elastic members 21 and 21 are arranged in a curved shape along the outer edge line of the leg concave cutout portion.
【０００４】また、特開昭62-250201 号公報（先行例
３）および前記先行例２においては、前述のようにサイ
ドフラップ部に弾性伸縮部材を配設し、収縮力を与えて
ガスケットカフスを形成するとともに、その内側におむ
つの脚回りに起立するバリヤーカフス２２、２２を形成
することにより二重バリヤーを形成し、横漏れ防止を図
っている。Further, in JP-A-62-250201 (Prior example 3) and the above-mentioned prior example 2, as described above, the elastic flap member is arranged in the side flap portion, and a contracting force is applied to the gasket cuff. Along with the formation, double barriers are formed by forming barrier cuffs 22, 22 that stand upright around the legs of the diaper, thereby preventing lateral leakage.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、先行例
１および先行例２の場合には、弾性伸縮部材を曲線状に
伸ばすために複雑な工程が必要であり、ラインスピード
を必然的に低下させねばならないなど製造効率の点で難
があった。また、弾性伸縮部材を曲線状に定着させる
際、全長に渡って均一の伸縮率とすることは技術的に困
難であり、弾性伸縮部材の伸縮率が部分的に異なり、装
着状態で伸縮率の小さい部分に隙間が形成され横漏れが
防止できないなどの問題点があった。However, in the case of Prior Art 1 and Prior Art 2, a complicated process is required to stretch the elastic stretchable member in a curved shape, and the line speed must be lowered. There was a problem in terms of manufacturing efficiency such as not being possible. In addition, when fixing the elastic expansion / contraction member in a curved shape, it is technically difficult to make the expansion / contraction ratio uniform over the entire length, and the expansion / contraction ratio of the elastic expansion / contraction member is partially different. There is a problem that a gap is formed in a small portion and side leakage cannot be prevented.
【０００６】また、先行例２および先行例３に記載され
る使い捨て紙おむつの場合には、排液の漏れ防止の観点
からは非常に有効であるけれども、その製作工程をみる
と、バリヤーシートを取付ける工程、バリヤーシートに
対して弾性伸縮部材を固着して使用面側に起立するバリ
ヤーカフスを形成する工程、サイドフラップ部に弾性伸
縮部材を固着してガスケットカフスを形成する工程等、
複雑な組立工程を踏まなければならない等の問題があっ
た。[0006] In the case of the disposable paper diapers described in the prior art examples 2 and 3, it is very effective from the viewpoint of preventing the leakage of drainage. A step, a step of fixing an elastic expansion / contraction member to a barrier sheet to form a barrier cuff that stands up on the use surface side, a step of fixing an elastic expansion / contraction member to a side flap portion to form a gasket cuff, etc.
There were problems such as having to go through a complicated assembly process.
【０００７】そこで、本発明の主たる第１の課題は、弾
性伸縮部材を曲線状に伸ばす工程を踏むことなく曲線の
弾性伸縮ラインを形成することができ、もって生産効率
の向上および横漏れ防止効果の高い使い捨て紙おむつに
することにある。また第２の課題は、さらにバリヤーカ
フスを同時に形成する場合の組立工程数を少なくし、生
産効率を向上させることのできる使い捨て紙おむつを提
供するものである。Therefore, a first object of the present invention is to form a curved elastic expansion / contraction line without taking a step of extending the elastic expansion / contraction member in a curved shape, thereby improving production efficiency and preventing side leakage. It is to make a disposable disposable diaper with a high price. A second object is to provide a disposable diaper that can reduce the number of assembling steps when simultaneously forming barrier cuffs and improve the production efficiency.
【０００８】[0008]
【課題を解決するための手段】前記課題は、透液性表面
シートと不透液性裏面シートとこれら両シートの間に吸
収体が介在されるとともに、この吸収体の両側端より外
方に延びた吸収体の存在しないサイドフラップ部を有
し、このサイドフラップ部の脚回りにガスケットカフス
が形成された使い捨て紙おむつにおいて、ある程度の幅
を有する帯状の伸縮性シート状部材を用い、この伸縮性
シート状部材を長手方向直線状に均一に延伸した状態
で、前記伸縮性シート状部材の固着線を平面的に視て湾
曲線として固着したことで解決できる。[Means for Solving the Problems] The above-mentioned problem is that an absorbent body is interposed between a liquid-permeable top sheet, a liquid-impermeable back sheet, and both of these sheets, and the absorbent body is located outward from both side ends of the absorbent body. It has a side flap that does not have an extended absorber, and gasket cuffs are installed around the legs of this side flap.
In a disposable paper diaper in which the stretchable sheet-shaped member having a certain width is used, and the stretchable sheet-shaped member is uniformly stretched linearly in the longitudinal direction, the stretchable sheet-shaped member is fixed. The line from a flat view
It can be solved by sticking as a curve .
【０００９】また、透液性表面シートと不透液性裏面シ
ートとこれら両シートの間に吸収体が介在されるととも
に、この吸収体の両側端より外方に延びた吸収体の存在
しないサイドフラップ部を有し、このサイドフラップ部
の脚回りにガスケットカフスが形成された使い捨て紙お
むつであって、脚部切り取り部分が切り取られ略砂時計
状とされる以前の方形状態において、この使い捨て紙お
むつ表面の両側部に、ある程度の幅を有する帯状の伸縮
性シート状部材をその長手方向直線状に均一に延伸した
状態で略おむつ長手方向に沿って配設するとともに、こ
の伸縮性シート状部材を少なくとも前記脚部切り取り部
分のカット線の内側に沿って平面的に視て湾曲ライン状
の固着部分が形成された固着領域を含む領域にて固着し
た後、前記脚部切り取り部分を切断し、平面的に視て湾
曲ライン状の固着部分を形成することもできる。A liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body interposed between these sheets, and a side extending outward from both side ends of the absorbent body, where no absorbent body exists. A disposable paper diaper having a flap portion and gasket cuffs formed around the legs of the side flap portion, and in the rectangular state before the leg cutout portion is cut out to be substantially hourglass-shaped, the disposable paper diaper surface is On both sides, a strip-shaped stretchable sheet-like member having a certain width is arranged along the longitudinal direction of the diaper in a state of being uniformly stretched linearly in the longitudinal direction, and at least the stretchable sheet-like member is provided as described above. Curved line when viewed in plan along the inside of the cut line of the leg cutout
After fixing in the region including the fixing region in which anchoring part is formed, cutting the leg cutout, viewed in plan bay
It is also possible to form a curved line-shaped fixed portion .
【００１０】次いで、第２の課題を達成しうる使い捨て
紙おむつとしては、透液性表面シートと不透液性裏面シ
ートとこれら両シートの間に吸収体が介在されるととも
に、全体平面形状が略砂時計状とされ、この吸収体の両
側端より外方に延びた吸収体の存在しないサイドフラッ
プ部および後身頃の両側に止着テープを有するシート型
の使い捨て紙おむつ、または、透液性表面シートと不透
液性裏面シートの間に、少なくとも脚回り部分に前記各
シートにより構成されるサイドフラップ部分を残して吸
収体が内包され、製品状態において長手方向中心を境に
して展開したとき砂時計状をなし、前後方向に折り畳ま
れ、かつ折り畳んだ前身頃と後身頃とがそれらの両側縁
にて接合されたパンツ型の使い捨て紙おむつであって、
脚部切り取り部分が切り取られ略砂時計状とされる以前
の方形状態において、この使い捨て紙おむつ表面の両側
部に、ある程度の幅を有する帯状の伸縮性シート状部材
をその長手方向直線状に均一に延伸した状態で略おむつ
長手方向に沿って配設するとともに、この伸縮性シート
状部材を少なくとも前記脚部切り取り部分のカット線の
内側に沿って平面的に視て湾曲ライン状の固着部分が形
成された固着領域を含む領域にて固着した後、前記脚部
切り取り部分を切断し、サイドフラップ部に前記伸縮性
シート状部材の湾曲ライン状固着部分でガスケットカフ
スを形成するとともに、伸縮性シート状部材の内側非固
着部分でバリヤーカフスを形成したことで解決できる。Next, as a disposable paper diaper capable of achieving the second object, a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body interposed between these sheets, and the overall planar shape is substantially the same. A sheet-type disposable paper diaper having an hourglass-shaped side flap portion extending outward from both side ends of this absorber and a fastening tape on both sides of the back body, or a liquid-permeable surface sheet The absorbent body is enclosed between the liquid-impermeable backsheets, leaving the side flaps formed by the respective sheets at least in the leg parts, and when the product state is expanded with the longitudinal center as a boundary, an hourglass shape is formed. None, a pants-type disposable paper diaper that is folded in the front-rear direction, and the folded front body and back body are joined at their side edges.
In the rectangular state before the cut-out portion of the leg was cut out into a substantially hourglass shape, a strip-shaped stretchable sheet-like member having a certain width is uniformly stretched linearly in the longitudinal direction on both sides of the surface of the disposable diaper. In this state, the elastic sheet-like member is arranged substantially along the longitudinal direction of the diaper, and the elastic sheet-like member has a curved line-shaped fixed portion formed in a plan view along at least the inside of the cut line of the leg cutout portion.
After fixing in a region including the formed fixing region , the leg cut-out portion is cut, and a curved line-shaped fixing portion of the elastic sheet-shaped member forms a gasket cuff on the side flap portion, and the elastic sheet is also formed. The problem can be solved by forming the barrier cuff at the non-fixed portion on the inner side of the strip-shaped member.
【００１１】この場合、前記伸縮性シート状部材の各面
または両面を、適宜、撥水処理を施すことにより、軟便
の液分の横漏れおよび前後漏れを確実に防止することが
できる。In this case, it is possible to surely prevent side leakage and back and forth leakage of the liquid component of loose stool by appropriately performing water repellent treatment on each surface or both surfaces of the elastic sheet member.
【００１２】[0012]
【作用】本発明においては、ある程度の幅を有する帯状
の伸縮性シート状部材を長手方向直線状に均一に延伸し
た状態で固着線を湾曲線として固着するか、または脚部
切り取り部分が切り取られ略砂時計状とされる以前の方
形状態において、前記帯状の伸縮性シート状部材を少な
くとも前記脚部切り取り部分のカット線の内側に沿って
形成された平面的に視て湾曲ライン状の固着部分が形成
された固着領域を含む領域にて固着した後、前記脚部切
り取り部分を切断することにより、平面的に視て湾曲ラ
イン状の固着部分を形成する。したがって、従来のよう
に弾性部材を曲線状に伸ばしながら定着する工程を踏む
ことなく、平面展開状態で曲線状に固着されたガスケッ
トカフスを形成することができ、従来のようなラインス
ピードの低下による製造効率の低下を招くことがない。
また、固着は、伸縮性シート状部材を長手方向に均一に
伸ばした状態で行うため、伸縮率が全長に渡って均一と
なり、装着状態で横漏れ防止効果が高いものとなる。In the present invention, the band-shaped stretchable sheet-like member having a certain width is fixed to the fixing line as a curved line while being stretched uniformly linearly in the longitudinal direction , or the leg portion.
In a rectangular state before the cut-out portion is cut out into a substantially hourglass shape, the strip-shaped stretchable sheet-like member is formed along at least the inside of the cut line of the leg cut-out portion and is a curved line when seen in a plan view. -Shaped fixed part is formed
After fixing in the area including the fixed area , the leg cut-out portion is cut so that the curved line is seen in a plan view.
An in-shaped fixed portion is formed . Therefore, it is possible to form a gasket cuff that is fixed in a curved shape in a flattened state without taking the step of fixing the elastic member while stretching the elastic member in a curved shape as in the conventional case. The production efficiency is not lowered.
Further, since the fixing is performed in a state where the stretchable sheet-shaped member is uniformly stretched in the longitudinal direction, the expansion / contraction rate becomes uniform over the entire length, and the lateral leakage prevention effect is high in the mounted state.
【００１３】また、バリヤーカフスを同時に形成する場
合には、おむつの脚部切り取り部分が切り取られ略砂時
計状とされる以前の方形状態において、この使い捨て紙
おむつ表面の両側部に、本発明に従って、ある程度の幅
を有する伸縮性シート状部材をその長手方向直線状に均
一に延伸した状態で略おむつ長手方向に沿って配設する
とともに、この伸縮性シート状部材を前記脚部切り取り
部分のカット線に沿う平面的に視て湾曲ライン状の固着
部分が形成された固着領域を含む領域にて固着した後、
前記脚部切り取り部分を切断する。したがって、湾曲ラ
イン状の固着部分を有するガスケットカフスを形成する
ことができると同時に、その内縁側の非固着部分により
バリヤーカフスを形成することができる。したがって、
従来のような複雑な組立工程を経ることなく、１つの工
程で簡単にバリヤーカフスとガスケットカフスとを形成
することができるようになり、もって生産効率を飛躍的
に向上させることができる。Further, when the barrier cuffs are formed at the same time, according to the present invention, both sides of the surface of the disposable diaper according to the present invention are used to some extent in the rectangular state before the leg cut-out portions are cut out to form a substantially hourglass shape. A stretchable sheet-shaped member having a width of 4 is arranged along the longitudinal direction of the diaper in a state where the stretchable sheet-shaped member is uniformly stretched linearly in the longitudinal direction, and the stretchable sheet-shaped member is used as a cut line of the leg cutout portion. Along a curved line when viewed in plan
After fixing in the area including the area where the part is formed ,
Cut the leg cutout. Therefore, the curved line
The gasket cuff having the in-shaped fixed portion can be formed, and at the same time, the barrier cuff can be formed by the non-fixed portion on the inner edge side. Therefore,
The barrier cuffs and the gasket cuffs can be easily formed in one process without going through a complicated assembling process as in the past, and thus the production efficiency can be dramatically improved.
【００１４】[0014]
【実施例】以下、本発明を実施例に基づいて詳説する。
図１に示される本発明に係るシート型の紙おむつは、ポ
リエチレン等からなる不透液性裏面シート１と不織布な
どからなる透液性表面シート２との間に、綿状パルプ等
からなる、たとえば長方形若しくは砂時計形状のある程
度剛性を有する吸収体３が介在されている。吸収体３は
その形状保持のために吸収紙（図示せず）により包むこ
とができる。不透液性裏面シート１は吸収体３の周囲よ
り外方に延在して略砂時計形状を成しているとともに、
これに相応して透液性表面シート２が吸収体３の周囲よ
り外方に延在してホットメルト接着剤等により接合され
ている。前記不透液性裏面シート１と透液性表面シート
２とでおむつ中間の両側部分にサイドフラップＳＦ、Ｓ
Ｆが形成されるとともに、おむつの前後端部にエンドフ
ラップＥＦ、ＥＦがそれぞれ形成されている。なお、６
は止着テープであり、９は腰部弾性伸縮材である。EXAMPLES The present invention will be described in detail below based on examples.
The sheet-type disposable diaper according to the present invention shown in FIG. 1 is made of cotton-like pulp or the like between a liquid-impermeable back sheet 1 made of polyethylene or the like and a liquid-permeable top sheet 2 made of nonwoven fabric or the like. An absorber 3 having a rectangular or hourglass-shaped rigidity is interposed. The absorbent body 3 can be wrapped with absorbent paper (not shown) to maintain its shape. The liquid-impervious backsheet 1 extends outwardly from the periphery of the absorber 3 to form a substantially hourglass shape,
Correspondingly, the liquid-permeable topsheet 2 extends outwardly from the periphery of the absorber 3 and is joined by a hot melt adhesive or the like. The liquid impermeable backsheet 1 and the liquid permeable topsheet 2 are provided with side flaps SF and S on both side portions in the middle of the diaper.
F is formed, and end flaps EF and EF are formed at the front and rear ends of the diaper, respectively. 6
Is a fastening tape, and 9 is a waist elastic elastic material.
【００１５】本発明に係る紙おむつの第１の例として
は、図１に示されるように、ある程度の幅を有する帯状
の伸縮性シート状部材４、４を用い、ホットメルトなど
の接着材を曲線状に塗布した後（斜線で示す領域）、前
記伸縮性シート状部材４、４をその長手方向に均一に延
伸し定着することにより、この平面的に視て湾曲した固
着線１０、１０によってガスケットカフスＧ、Ｇが形成
される。As a first example of the paper diaper according to the present invention, as shown in FIG. 1, band-shaped stretchable sheet-shaped members 4 and 4 having a certain width are used, and an adhesive such as hot melt is curved. After being applied in a uniform shape (hatched area), the stretchable sheet-shaped members 4 and 4 are uniformly stretched in the longitudinal direction and fixed, so that the gasket is formed by the fixing lines 10 and 10 curved in a plan view. Cuffs G, G are formed.
【００１６】また、第２の例としては、図２に示される
ように、脚部のクロップ部分８、８が切り取られ略砂時
計状とされる以前の方形状態において（中心線の左側に
て図示される）、使い捨て紙おむつの両側のサイドフラ
ップ部分ＳＦの表面側に、ある程度の幅を有する帯状の
脚部伸縮性シート状部材４、４をその長手方向に均一に
延伸した状態でおむつ長手方向に沿って配設するととも
に、この脚部伸縮性シート状部材４、４を斜線で示すよ
うに、前記クロップ部分８の切取線Ｌに沿う内側固着ラ
イン１１およびクロップ部分８との重合面１２領域にお
いて接着する。その後、前記クロップ部８、８を、同図
の中心線の右側領域にて図示されるように、切断するこ
とにより砂時計形状の紙おむつとし、脚部伸縮性シート
状部材４、４の曲線ライン状固着部分１１の伸縮力によ
りひだ状のガスケットカフスＧ、Ｇを形成する。なお、
前記脚部伸縮性シート状部材４を隅部の未接着部分を残
すことなく、全面接着することでよい。但し、歩留り向
上のためには、前記ホットメルトの塗布領域が複雑には
なるが、前記クロップ部分８との重合面１２への塗布は
できれば行わない方が好ましい。As a second example, as shown in FIG. 2, in a rectangular state before the crop portions 8 of the legs are cut out and formed into a substantially hourglass shape (illustrated on the left side of the center line). ), On the surface side of the side flap portions SF on both sides of the disposable diaper, in the longitudinal direction of the diaper with the belt-shaped leg stretchable sheet-like members 4 and 4 having a certain width uniformly stretched in the longitudinal direction. The leg stretchable sheet-like members 4 and 4 are arranged along the inner fixing line 11 along the cut line L of the crop portion 8 and are bonded to each other in the overlapping surface 12 region with the crop portion 8 as shown by the diagonal lines. To do. After that, the crop portions 8 and 8 are cut into an hourglass-shaped disposable diaper as shown in the right side region of the center line of FIG. The expansion and contraction force of the fixed portion 11 forms the pleated gasket cuffs G, G. In addition,
The leg stretchable sheet-like member 4 may be entirely bonded without leaving unbonded portions at the corners. However, in order to improve the yield, the application area of the hot melt becomes complicated, but it is preferable not to apply it to the overlapping surface 12 with the crop portion 8 if possible.
【００１７】次いで、第３の例として図３に示される紙
おむつの場合は、脚部のクロップ部分８、８が切り取ら
れ略砂時計状とされる以前の方形状態において、使い捨
て紙おむつの両側のサイドフラップ部分ＳＦ（正確には
吸収体３とサイドフラップ部ＳＦに跨がって）の表面側
に、ある程度の幅を有する帯状の脚部伸縮性シート状部
材４、４をその長手方向に均一に延伸した状態でおむつ
長手方向に沿って配設するとともに、この脚部伸縮性シ
ート状部材４、４を前記クロップ部分８の切取線Ｌに沿
ってかつ好ましくはその内側に沿って、斜線で示すよう
な湾曲するラインにて固着する。その後、前記クロップ
部８、８を切断して砂時計形状の紙おむつとすることに
より、脚部伸縮性シート状部材４、４の外縁側の曲線ラ
イン状固着部分の伸縮力によりひだ状のガスケットカフ
スＧ、Ｇを形成するとともに、脚部伸縮性シート状部材
４の内縁側非固着部分で使用面側に起立するバリヤーカ
フスＢS 、ＢS を形成する。この場合、脚部伸縮性シー
ト状部材４の長手方向両端部をその全幅に渡って接着す
ることにより、ポケット状に開口するバリヤーカフスＢ
S とすることができる。Next, in the case of the disposable diaper shown in FIG. 3 as a third example, the side flaps on both sides of the disposable disposable diaper are in a rectangular state before the cropped portions 8 of the legs are cut out to be substantially hourglass-shaped. On the surface side of the portion SF (correctly, straddling the absorber 3 and the side flap portion SF), the belt-shaped leg stretchable sheet-shaped members 4 and 4 having a certain width are uniformly stretched in the longitudinal direction. In this state, the leg stretchable sheet-like members 4 and 4 are arranged along the longitudinal direction of the diaper, and the leg stretchable sheet-like members 4 and 4 are shown along the cut line L of the crop portion 8 and preferably along the inner side thereof, as shown by diagonal lines. Stick at curved lines. After that, the crop portions 8 are cut to form an hourglass-shaped paper diaper, and the fold-shaped gasket cuffs G are formed by the stretching force of the curved line-shaped fixed portion on the outer edge side of the leg stretchable sheet-shaped members 4 and 4. , G, and barrier cuffs B S , B S standing upright on the use surface side at the inner edge-side non-fixed portion of the leg elastic sheet member 4. In this case, the barrier cuffs B opening in a pocket shape by adhering both longitudinal ends of the leg stretchable sheet-like member 4 over the entire width thereof.
Can be S.
【００１８】また、図８に示すように、脚部伸縮性シー
ト状部材４、４の内縁側を所定幅だけ外側に折り返して
二重のバリヤーカフスＢS とすることにより、肌への当
りが柔らかく、かつ透過漏れ防止効果の高いものとする
ことができる。なお、前記脚部伸縮性シート状部材４、
４の内縁側を所定幅だけ内側に折り返して二重のバリヤ
ーカフスＢS とすることでもよい。さらに、腰部伸縮性
シート状部材５についても同様に、内縁側を所定幅だけ
外側または内側に折り返して二重の腰部バリヤーカフス
ＢE とすることができる。Further, as shown in FIG. 8, the inner edge sides of the leg stretchable sheet-like members 4 and 4 are folded back to the outside by a predetermined width to form a double barrier cuff B S , so that the contact with the skin is prevented. It can be made soft and highly effective in preventing permeation and leakage. The leg stretchable sheet-like member 4,
4 of the inner edge is folded inwardly by a predetermined width may also be a double barrier cuffs B S. Further, also with respect to the waist elastic sheet-like member 5, the inner edge side can be folded back outward or inward by a predetermined width to form a double waist barrier cuff B E.
【００１９】また、前記脚部伸縮性シート状部材４の固
着領域としては、たとえば図９に示すように、コ字状の
領域とすることもできる。この場合には、ホットメルト
接着材の歩留りは低下するが、ホットメルトを曲線状に
塗布することなく、クロップ部分８の切取線Ｌによって
湾曲状の固着ラインを形成することができる。Further, the fixing region of the leg stretchable sheet-like member 4 may be a U-shaped region as shown in FIG. 9, for example. In this case, the yield of the hot melt adhesive is reduced, but a curved fixing line can be formed by the cut line L of the crop portion 8 without applying the hot melt in a curved shape.
【００２０】かかる使い捨て紙おむつは、装着状態でバ
リヤーカフスＢS が着用者の脚回りに密着し、バリヤー
（障壁）になって軟便固形分の乗り換えを防止し、排尿
は透液性シート２を通過して吸収体３内に吸収される。
さらに、仮に前記バリヤーカフスＢS を乗り越えて軟便
固形分が漏れたとしても、脚部伸縮性シート状部材４の
外縁側固着部分によって形成されるガスケットカフス
Ｇ、Ｇにより横漏れが確実に防止される。In such a disposable paper diaper, the barrier cuffs B S adhere to the wearer's legs around the wearer's legs to form a barrier (barrier) to prevent the transfer of solid loose stools, and urination passes through the liquid-permeable sheet 2. Then, it is absorbed in the absorber 3.
Further, even if the loose stool solids leak past the barrier cuffs B S , lateral leakage is surely prevented by the gasket cuffs G, G formed by the outer edge side fixed portions of the leg elastic sheet member 4. It
【００２１】一方、使い捨て紙おむつの前後端のエンド
フラップ部分ＥＦ（正確には吸収体３とエンドフラップ
部ＥＦに跨がって）の表面にも、ある程度の幅を有する
腰部伸縮性シート状部材５、５をおむつ幅方向に沿って
配設し、この腰部伸縮性シート状部材５の幅方向の外縁
側部分をその長手方向に沿って連続的または断続的に固
着することにより（図３に斜線で示される領域）、腰部
伸縮性シート状部材５の内縁側非接着部分で使用面側に
起立する腰部バリヤーカフスＢE を形成すると同時に、
固着した腰部伸縮性シート状部材５の外縁側固着部分の
伸縮力により腰バンドＷが形成される。On the other hand, the waist elastic sheet member 5 having a certain width is also formed on the surfaces of the end flap portions EF at the front and rear ends of the disposable paper diaper (correctly, straddling the absorber 3 and the end flap portions EF). 5 are arranged along the width direction of the diaper, and the outer edge side portion in the width direction of the waist elastic sheet member 5 is fixed continuously or intermittently along the longitudinal direction (in FIG. (Region indicated by), while forming the waist barrier cuffs B E standing on the use surface side at the inner edge side non-adhesive portion of the waist elastic sheet-like member 5, at the same time,
The waist band W is formed by the stretching force of the outer edge side fixed portion of the fixed waist elastic sheet member 5.
【００２２】したがって、装着状態で前記腰部バリヤー
カフスＢE が着用者の腰回りに密着し、バリヤー（障
壁）となって軟便固形分の乗り越えを防止し、排尿は透
液性シート２を通過して吸収体３内に吸収される。さら
に、腰部伸縮性シート状部材５の外縁側固着部分によっ
て形成される腰バンドＷによっておむつのずれ落ちが防
止されるとともに、肌へ密着することにより、仮に前記
腰部バリヤーカフスＢEを乗り越えて軟便固形分が漏れ
たとしても、腰バンドＷで前後漏れを確実に堰き止め
る。Therefore, the waist barrier cuffs B E adhere to the waist of the wearer in the worn state to form a barrier (barrier) to prevent the solid solid matter from getting over, and urine passes through the liquid permeable sheet 2. Are absorbed in the absorber 3. Further, the waist band W formed by the outer edge-side fixed portion of the waist elastic sheet member 5 prevents the diaper from slipping off, and when it adheres to the skin, the waist barrier cuffs B E are tentatively passed over and the loose stool is loosened. Even if the solid content leaks, the waist band W reliably blocks back and forth leaks.
【００２３】なお、前記腰部伸縮性シート状部材５は、
紙おむつの腹側および背側の両方に必ずしも設ける必要
はなく、一方側の腰部は従来のように透液性表面シート
２と不透液性裏面シート１との間に介在された弾性伸縮
部材とすることでもよい。The waist elastic sheet member 5 is
It is not always necessary to provide it on both the ventral side and the dorsal side of the diaper, and the waist portion on one side is an elastic stretchable member interposed between the liquid-permeable topsheet 2 and the liquid-impermeable backsheet 1 as in the conventional case. It may be done.
【００２４】ところで、本発明において使用される伸縮
性シート状部材４、５としては、ウレタンゴム、天然ゴ
ム、合成ゴムの他、天然ゴムまたは合成ゴムの薄層シー
ト、ポリウレタンフィルム、ポリウレタンメルトブロー
不織布、840d程度の「スパンデックス」、３Ｍ社製の
「KER-2207」等の熱収縮性のものや、肌触りの点および
通気性を有する点からポリエチレン、ポリウレタン、ス
チレンブタジエン、ブロックポリマーフィルム、ポリオ
レフィン系エラストマーフィルムなどの単独あるいはこ
れらの合成ゴム、スチレン、エチレン、ブタジエン、ス
チレンブロックポリマーのブレンド体、ポリウレタン、
ポリオレフィン系エラストマーとの共押出しフィルム、
シリコン、ポリエステル、塩化ビニル、ネオプレンゴム
の発泡体、ブリジストン社製「エバーライトＳＧＷ
Ｓ」、井上エムティービー社製「モルトプレンＲＳ」を
挙げることができる。また、これら各素材からなる弾性
伸縮性シート状部材と非弾性伸縮性シート状部材とを張
り合わせて使用することもできる。これらのうち、安価
である点から発泡ポリウレタンまたは発泡ポリエチレン
が好適に用いられる。また、この場合の伸縮率は、１１
０〜２５０％、特に１５０〜２００％、弾性強度は５０
〜６００g/50mm巾、特に２００〜５００g/50mm巾である
ことが望ましい。By the way, as the stretchable sheet-like members 4 and 5 used in the present invention, in addition to urethane rubber, natural rubber and synthetic rubber, a thin layer sheet of natural rubber or synthetic rubber, polyurethane film, polyurethane meltblown nonwoven fabric, About 840d "Spandex", 3M's "KER-2207" and other heat-shrinkable materials, polyethylene, polyurethane, styrene butadiene, block polymer film, polyolefin elastomer film from the point of touch and breathability Etc. alone or these synthetic rubbers, styrene, ethylene, butadiene, blends of styrene block polymers, polyurethane,
Co-extrusion film with polyolefin elastomer,
Silicone, polyester, vinyl chloride, neoprene rubber foam, Bridgestone's Everlite SGW
S "and" Moltoprene RS "manufactured by Inoue MTB Co., Ltd. can be mentioned. Further, an elastic stretchable sheet-like member and a non-elastic stretchable sheet-like member made of each of these materials can be used in a laminated state. Of these, expanded polyurethane or expanded polyethylene is preferably used because it is inexpensive. The expansion / contraction rate in this case is 11
0-250%, especially 150-200%, elastic strength 50
It is desirable that the width is up to 600 g / 50 mm, especially 200 to 500 g / 50 mm.
【００２５】また、本願発明においては、伸縮性シート
状部材４、５自体が材質的に弾性伸縮性を有していなく
ても、実質的にそのような機能を有するように構成した
ものであってもよい。たとえば、図６、図７に示される
ように、不織布を何重かに折り畳むかまたは巻いて、そ
の内部に複数本の糸状の弾性ゴム７、７…を並べて固定
したものを用いることでもよい。Further, in the present invention, even if the stretchable sheet-shaped members 4 and 5 themselves do not have elastic stretchability as a material, they are configured to have substantially such a function. May be. For example, as shown in FIGS. 6 and 7, it is possible to fold or roll a non-woven fabric in multiple layers and to fix a plurality of elastic rubbers 7, 7 ...
【００２６】さらに、前記伸縮性シート状部材４、５に
対して、使用面側（内面側）または表面側（外面側）、
さらには両面にシリコンなどにより撥水処理を行うこと
で、軟便の液分が浸透するのを確実に防止することがで
きる。Further, with respect to the stretchable sheet-shaped members 4 and 5, a use surface side (inner surface side) or a front surface side (outer surface side),
Furthermore, by performing a water repellent treatment on both sides with silicone or the like, it is possible to reliably prevent the liquid component of loose stool from penetrating.
【００２７】以上、止着テープ６、６を有するシート型
の使い捨て紙おむつを例に挙げ、本願発明について説明
したが、パンツ型の使い捨て紙おむつに対しても全く同
様に適用することができる。Although the present invention has been described above by taking the sheet type disposable diaper having the fastening tapes 6 and 6 as an example, the present invention can be applied to a pants type disposable diaper.
【００２８】[0028]
【発明の効果】以上詳説のとおり、本願発明によれば、
弾性伸縮部材を曲線状に伸ばす工程を踏むことなく、脚
部回りにガスケットカフスを形成する湾曲状の固着ライ
ンを形成することができ、もって生産効率および横漏れ
防止効果の高い使い捨て紙おむつとすることができる。
また、バリヤーカフスを同時に形成する場合に組立工程
数を少なくし、製作効率を格段に向上させることができ
る。As described above in detail, according to the present invention,
A curved fixed liner that forms gasket cuffs around the legs without the step of stretching the elastic stretchable member in a curved shape.
Can form down, it can be a production efficiency and a high side leakage preventing effect disposable diapers have.
Further, when the barrier cuffs are formed at the same time, the number of assembling steps can be reduced and the manufacturing efficiency can be remarkably improved.
【図１】本発明に係る第１の使い捨て紙おむつの展開状
態一部破断平面図である。FIG. 1 is a partially cutaway plan view of a first disposable paper diaper according to the present invention in a developed state.
【図２】本発明に係る第２の使い捨て紙おむつの展開状
態一部破断平面図である。FIG. 2 is a partially cutaway plan view of a second disposable paper diaper according to the present invention in a developed state.
【図３】本発明に係る第３の使い捨て紙おむつの展開状
態一部破断平面図である。FIG. 3 is a partially cutaway plan view of a third disposable paper diaper according to the present invention in a developed state.
【図４】図３のII−II線矢視図である。FIG. 4 is a view taken along the line II-II of FIG.
【図５】その要部斜視図である。FIG. 5 is a perspective view of an essential part thereof.
【図６】伸縮性シート状部材の他の例を示す要部斜視図
である。FIG. 6 is a perspective view of a main part showing another example of a stretchable sheet member.
【図７】伸縮性シート状部材の他の例を示す要部斜視図
である。FIG. 7 is a main part perspective view showing another example of the stretchable sheet-shaped member.
【図８】本発明に係る他の使い捨て紙おむつの展開状態
平面図である。FIG. 8 is a developed plan view of another disposable paper diaper according to the present invention.
【図９】本発明に係る他の使い捨て紙おむつの展開状態
一部破断平面図である。FIG. 9 is a partially cutaway plan view of another disposable paper diaper according to the present invention in a developed state.
【図１０】従来のシート型使い捨て紙おむつの展開状平
面図である。FIG. 10 is a developed plan view of a conventional sheet-type disposable paper diaper.
【図１１】図１０に示すシート型使い捨て紙おむつの装
着状態側面図である。FIG. 11 is a side view of the sheet-type disposable paper diaper shown in FIG. 10 in a mounted state.
【図１２】従来のパンツ型使い捨て紙おむつの全体斜視
図である。FIG. 12 is an overall perspective view of a conventional pants-type disposable paper diaper.
【図１３】従来のパンツ型の使い捨て紙おむつの展開状
態平面図である。FIG. 13 is a developed plan view of a conventional pants-type disposable diaper.
【図１４】図１３のXI−XI線断面図である。14 is a sectional view taken along line XI-XI of FIG.
１…不透液性裏面シート、２…透液性表面シート、３…
吸収体、４…脚部伸縮性シート状部材、５…腰部伸縮性
シート状部材、６…止着テープ、７…糸状弾性ゴム、Ｂ
S …バリヤーカフス、ＢE …腰部バリヤーカフス、Ｇ…
ガスケットカフス、Ｗ…腰バンド、ＳＦ…サイドフラッ
プ、ＥＦ…エンドフラップ1 ... Liquid-impermeable backsheet, 2 ... Liquid-permeable topsheet, 3 ...
Absorber, 4 ... Leg stretchable sheet-like member, 5 ... Waist stretchable sheet-like member, 6 ... Fastening tape, 7 ... Thread elastic rubber, B
S … Barrier cuffs, B E … Waist barrier cuffs, G…
Gasket cuffs, W ... waist band, SF ... side flaps, EF ... end flaps
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) A61F 13/15 - 13/84 ─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields investigated (Int.Cl. 7 , DB name) A61F 13/15-13/84
Claims (5)
これら両シートの間に吸収体が介在されるとともに、こ
の吸収体の両側端より外方に延びた吸収体の存在しない
サイドフラップ部を有し、このサイドフラップ部の脚回
りにガスケットカフスが形成された使い捨て紙おむつに
おいて、 ある程度の幅を有する帯状の伸縮性シート状部材を用
い、この伸縮性シート状部材を長手方向直線状に均一に
延伸した状態で、前記伸縮性シート状部材の固着線を平
面的に視て湾曲線として固着したことを特徴とする使い
捨て紙おむつ。1. A liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body interposed between these sheets, and a side extending outward from both side ends of the absorbent body and having no absorbent body. In a disposable paper diaper having a flap portion and gasket cuffs formed around the legs of the side flap portion, a belt-shaped stretchable sheet-like member having a certain width is used, and the stretchable sheet-like member is formed into a linear shape in the longitudinal direction. The stretched sheet-shaped member with the fixing line flat.
A disposable paper diaper characterized by being fixed as a curved line when viewed two-dimensionally .
これら両シートの間に吸収体が介在されるとともに、こ
の吸収体の両側端より外方に延びた吸収体の存在しない
サイドフラップ部を有し、このサイドフラップ部の脚回
りにガスケットカフスが形成された使い捨て紙おむつで
あって、 脚部切り取り部分が切り取られ略砂時計状とされる以前
の方形状態において、この使い捨て紙おむつ表面の両側
部に、ある程度の幅を有する帯状の伸縮性シート状部材
をその長手方向直線状に均一に延伸した状態で略おむつ
長手方向に沿って配設するとともに、この伸縮性シート
状部材を少なくとも前記脚部切り取り部分のカット線の
内側に沿って平面的に視て湾曲ライン状の固着部分が形
成された固着領域を含む領域にて固着した後、前記脚部
切り取り部分を切断し、平面的に視て湾曲ライン状の固
着部分を形成したことを特徴とする使い捨て紙おむつ。2. A liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body interposed between these sheets, and a side extending outward from both side ends of the absorbent body and having no absorbent body. A disposable paper diaper having a flap part and gasket cuffs formed around the legs of the side flap part, and in the rectangular state before the cut-out part of the leg part is cut out into a substantially hourglass shape, the surface of the disposable diaper surface is On both sides, a strip-shaped stretchable sheet-like member having a certain width is arranged along the longitudinal direction of the diaper in a state of being uniformly stretched linearly in the longitudinal direction, and at least the stretchable sheet-like member is provided as described above. Along the inside of the cut line of the leg cut-out part, the curved line-shaped fixed part is formed in plan view.
After fixing in a region including the formed fixing region , the leg cutout portion is cut, and when viewed in a plan view, a curved line-shaped solid is formed.
A disposable paper diaper characterized by forming a wearing portion.
これら両シートの間に吸収体が介在されるとともに、全
体平面形状が略砂時計状とされ、この吸収体の両側端よ
り外方に延びた吸収体の存在しないサイドフラップ部お
よび後身頃の両側に止着テープを有するシート型の使い
捨て紙おむつであって、 脚部切り取り部分が切り取られ略砂時計状とされる以前
の方形状態において、この使い捨て紙おむつ表面の両側
部に、ある程度の幅を有する帯状の伸縮性シート状部材
をその長手方向直線状に均一に延伸した状態で略おむつ
長手方向に沿って配設するとともに、この伸縮性シート
状部材を少なくとも前記脚部切り取り部分のカット線の
内側に沿って平面的に視て湾曲ライン状の固着部分が形
成された固着領域を含む領域にて固着した後、前記脚部
切り取り部分を切断し、サイドフラップ部に前記伸縮性
シート状部材の湾曲ライン状固着部分でガスケットカフ
スを形成するとともに、伸縮性シート状部材の内側非固
着部分でバリヤーカフスを形成したことを特徴とするシ
ート型の使い捨て紙おむつ。3. A liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorbent body interposed between these sheets, and the overall planar shape is substantially hourglass-shaped. A sheet-type disposable paper diaper having side flaps extending inwardly and a fastening tape on both sides of the rear body, in a rectangular state before the cut-out portion of the leg portion is cut into a substantially hourglass shape. On both sides of the surface of this disposable paper diaper, a strip-shaped stretchable sheet-like member having a certain width is arranged along the longitudinal direction of the diaper in a state of being uniformly stretched linearly in the longitudinal direction, and When the sheet-like member is planarly viewed at least along the inside of the cut line of the leg cutout portion, the curved line-shaped fixed portion is formed.
After fixing in a region including the formed fixing region , the leg cut-out portion is cut, and a curved line-shaped fixing portion of the elastic sheet-shaped member forms a gasket cuff on the side flap portion, and the elastic sheet is also formed. A sheet-type disposable diaper, characterized in that a barrier cuff is formed on the inner non-fixed portion of the sheet-shaped member.
間に、少なくとも脚回り部分に前記各シートにより構成
されるサイドフラップ部分を残して吸収体が内包され、
製品状態において長手方向中心を境にして展開したとき
砂時計状をなし、前後方向に折り畳まれ、かつ折り畳ん
だ前身頃と後身頃とがそれらの両側縁にて接合されたパ
ンツ型の使い捨て紙おむつであって、 脚部切り取り部分が切り取られ略砂時計状とされる以前
の方形状態において、この使い捨て紙おむつ表面の両側
部に、ある程度の幅を有する帯状の伸縮性シート状部材
をその長手方向直線状に均一に延伸した状態で略おむつ
長手方向に沿って配設するとともに、この伸縮性シート
状部材を少なくとも前記脚部切り取り部分のカット線の
内側に沿って平面的に視て湾曲ライン状の固着部分が形
成された固着領域を含む領域にて固着した後、前記脚部
切り取り部分を切断し、サイドフラップ部に前記伸縮性
シート状部材の湾曲ライン状固着部分でガスケットカフ
スを形成するとともに、伸縮性シート状部材の内側非固
着部分でバリヤーカフスを形成したことを特徴とするパ
ンツ型の使い捨て紙おむつ。4. An absorbent body is enclosed between a liquid-permeable top sheet and a liquid-impermeable back sheet, leaving at least a side flap portion formed by each sheet in the leg-surrounding portion,
It is a pants-type disposable paper diaper that is hourglass-shaped when unfolded around the center in the longitudinal direction in the product state, is folded in the front-rear direction, and has the folded front body and back body joined at their edges. Then, in the rectangular state before the leg cutout was cut out into a substantially hourglass shape, a strip-shaped stretchable sheet-like member having a certain width was evenly formed on both sides of the surface of the disposable diaper in a straight line in the longitudinal direction. The elastic sheet-like member is arranged along the longitudinal direction of the diaper in a stretched state, and the elastic sheet-like member has at least a curved line-like fixed portion in a plan view along the inside of the cut line of the leg cutout portion. form
After fixing in a region including the formed fixing region , the leg cut-out portion is cut, and a curved line-shaped fixing portion of the elastic sheet-shaped member forms a gasket cuff on the side flap portion, and the elastic sheet is also formed. path, characterized in that the formation of the barrier cuff inside the non-fixed portions of Jo member
A disposable type disposable diaper.
は両面が撥水処理された請求項１〜４のいずれか１項に
記載の使い捨て紙おむつ。5. The disposable paper diaper according to any one of claims 1 to 4, wherein one side surface or both surfaces of the stretchable sheet-shaped member is water-repellent treated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10537194A JP3488506B2 (en) | 1994-05-19 | 1994-05-19 | Disposable paper diapers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10537194A JP3488506B2 (en) | 1994-05-19 | 1994-05-19 | Disposable paper diapers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07308341A JPH07308341A (en) | 1995-11-28 |
| JP3488506B2 true JP3488506B2 (en) | 2004-01-19 |
Family
ID=14405848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10537194A Expired - Lifetime JP3488506B2 (en) | 1994-05-19 | 1994-05-19 | Disposable paper diapers |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3488506B2 (en) |
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| Publication number | Publication date |
|---|---|
| JPH07308341A (en) | 1995-11-28 |
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