JP2010131132A - 吸収性物品及びその製造方法 - Google Patents
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Abstract
【解決手段】吸収体4は、その幅方向中央領域の肌当接面側に隆起する中高部を有しており、該中高部は、別個に設けられる前方中高部41及び後方中高部42とからなり、該前方中高部41と該後方中高部42との間には、表面シート2及び吸収体4が圧密化されて形成される中間溝8bが幅方向に延びて形成されている。(1)前方中高部41の中間溝8b寄りに位置する後方部41bが、厚み方向に圧縮されて該前方中高部41の他の部位に比して隆起高さが低くなっている、及び/又は(2)後方中高部42の中間溝8b寄りに位置する前方部42aが、厚み方向に圧縮されて該後方中高部42の他の部位に比して隆起高さが低くなっている。
【選択図】図2
Description
また、裏面シート3の非肌当接面側における吸収体4の下方に位置する所定箇所にも、ナプキン1を下着等の着衣に固定する図示しない粘着部が設けられている。これらの粘着部は、ホットメルト粘着剤を所定箇所に塗布することにより設けられており、ナプキン1の使用前においてはフィルム、不織布、紙などからなる図示しない剥離シートによって被覆されている。
室温下、吸収体の中高部における密度の測定部位から、縦方向(吸収性物品の長手方向)に1cm、横方向(吸収性物品の幅方向)に3cmの所定厚みの直方体形状を切り出して測定サンプルとし、該測定サンプルの重量(g)を電子天秤を用いて測定する。異なる5つの測定サンプルについて斯かる重量測定を行い(n=5)、それらの測定値の平均値を算出し、その平均値を測定サンプルの面積(1×3=3cm2)で除して、測定サンプルの坪量(g/cm2)を算出する。また室温下、前記5つの測定サンプルを定盤などの平らな物体の上に置いて、レーザー変位計を用いて各測定サンプルの厚み(cm)を測定し、それらの測定値の平均値を算出して、測定サンプルの厚みとする。そして、次式により測定サンプルの密度(g/cm3)を算出する。 密度=坪量÷厚み
2 表面シート
3 裏面シート
4 吸収体
8,9,10 溝
8b 中間溝
8b’ 中間溝の形成予定部位
11 コアラップシート
40 下層吸収体
41 前方中高部
41a 前方中高部の前方部(厚み方向に圧縮されていない部位)
41b 前方中高部の後方部(厚み方向に圧縮されている部位)
41b1 後方部の傾斜部
41b2 後方部の水平部
42 後方中高部
42a 後方中高部の前方部(厚み方向に圧縮されている部位)
42b 後方中高部の後方部(厚み方向に圧縮されていない部位)
42a1 前方部の傾斜部
42a2 前方部の水平部
51,53 加圧ロール
51a,53a 凸部
61 圧搾ロール
61a エンボス溝用突部
A 前方部
B 後方部
Claims (7)
- 肌当接面を形成する表面シート、非肌当接面を形成する裏面シート及び両シート間に介在する吸収体を具備する吸収性物品であって、
前記吸収体は、その幅方向中央領域の肌当接面側に隆起する中高部を有しており、該中高部は、別個に設けられる前方中高部及び後方中高部とからなり、該前方中高部と該後方中高部との間には、前記表面シート及び前記吸収体が圧密化されて形成される中間溝が幅方向に延びて形成されており、
(1)前記前方中高部の前記中間溝寄りに位置する後方部が、厚み方向に圧縮されて該前方中高部の他の部位に比して隆起高さが低くなっている、及び/又は(2)前記後方中高部の該中間溝寄りに位置する前方部が、厚み方向に圧縮されて該後方中高部の他の部位に比して隆起高さが低くなっている吸収性物品。 - 肌当接面を形成する表面シート、非肌当接面を形成する裏面シート及び両シート間に介在する吸収体を具備する吸収性物品であって、
前記吸収体は、その幅方向中央領域の肌当接面側に隆起する中高部を有しており、該中高部は、別個に設けられる前方中高部及び後方中高部とからなり、該前方中高部と該後方中高部との間には、前記表面シート及び前記吸収体が圧密化されて形成される中間溝が幅方向に延びて形成されており、
前記後方中高部の全体が、厚み方向に圧縮されて前記前方中高部に比して隆起高さが低くなっている吸収性物品。 - 前記中高部における厚み方向に圧縮されている部位に、該部位における他の部分に比して相対的に圧縮率の高い高圧縮部が、複数分散して形成されている請求項1又は2記載の吸収性物品。
- 請求項1記載の吸収性物品の製造方法であって、
幅方向中央部の一面側に隆起する前方中高部及び後方中高部を有し且つ両中高部が長手方向に所定間隔を置いて配されている吸収体の該一面上に、表面シートを供給した後、該長手方向に隣接する両中高部の間を含む該吸収体の所定部位を、該表面シート側から加圧手段で圧搾して、該所定部位に溝を形成する工程を有し、
前記所定部位に溝を形成する前に、前記溝の形成予定部位を挟んで前記長手方向に隣接する前記前方中高部及び前記後方中高部の何れか一方又は両方における該形成予定部位の近傍を、加圧手段で加圧して厚み方向に圧縮する吸収性物品の製造方法。 - 請求項2記載の吸収性物品の製造方法であって、
幅方向中央部の一面側に隆起する前方中高部及び後方中高部を有し且つ両中高部が長手方向に所定間隔を置いて配されている吸収体の該一面上に、表面シートを供給した後、該長手方向に隣接する両中高部の間を含む該吸収体の所定部位を、該表面シート側から加圧手段で圧搾して、該所定部位に溝を形成する工程を有し、
前記所定部位に溝を形成する前に、前記後方中高部の全体を、加圧手段で加圧して厚み方向に圧縮する吸収性物品の製造方法。 - 前記加圧手段による中高部の圧縮が、前記吸収体の一面上に表面シートを供給する前に行われる請求項4又は5記載の吸収性物品の製造方法。
- 前記中高部の圧縮に用いる加圧手段が、周面部に多数の凸部が所定間隔を置いて突出形成された加圧ロールである請求項4〜6の何れかに記載の吸収性物品の製造方法。
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JP2010142461A (ja) * | 2008-12-19 | 2010-07-01 | Kao Corp | 吸収性物品の製造方法 |
JP2014068745A (ja) * | 2012-09-28 | 2014-04-21 | Daio Paper Corp | 吸収性物品 |
US8979815B2 (en) | 2012-12-10 | 2015-03-17 | The Procter & Gamble Company | Absorbent articles with channels |
US9060904B2 (en) | 2007-06-18 | 2015-06-23 | The Procter & Gamble Company | Disposable absorbent article with sealed absorbent core with substantially continuously distributed absorbent particulate polymer material |
US9066838B2 (en) | 2011-06-10 | 2015-06-30 | The Procter & Gamble Company | Disposable diaper having reduced absorbent core to backsheet gluing |
US9072634B2 (en) | 2007-06-18 | 2015-07-07 | The Procter & Gamble Company | Disposable absorbent article with substantially continuously distributed absorbent particulate polymer material and method |
US9216118B2 (en) | 2012-12-10 | 2015-12-22 | The Procter & Gamble Company | Absorbent articles with channels and/or pockets |
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