JP6153338B2 - 低月齢児用パンツ型おむつ - Google Patents
低月齢児用パンツ型おむつ Download PDFInfo
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Description
1)金属製角棒を、それぞれが水平になるようにして、引張試験装置の上側及び下側のチャックに取り付ける。
2)上側の金属製角棒の最上部と、下側の金属製角棒の最下部との離間距離(以下、治具間距離という)を、おむつ10の胴回り開口を伸長することなく上側及び下側の金属製角棒に挿通可能な距離に調節した後、上側の金属製角棒を、おむつ10の胴回り開口縁22から脚回り開口縁23へ貫通させ、この状態のときを荷重0に設定する。
3)下側の金属製角棒を、非伸長状態のおむつ10の胴回り開口縁22から脚回り開口縁23へ貫通させる。
4)治具間距離を、胴回り弾性部材30の内で最も伸長倍率が高い弾性糸の弛みが無くなる距離に調整する。すなわち、治具間距離を、胴回り弾性部材30に伸長力が作用しない状態に調整する。
5)引張試験装置の引張速度を100mm/分に設定し、引張試験を開始する。
6)治具間距離が、予め計算しておいた前後ベルト18,19全体の最大周長の90%に達したときの引張荷重を記録する。
なお、この測定で使用した引張試験装置は、株式会社島津製作所製のAUTOGRAPH AG−Iであり、容量50Nのロードセルを用いた。
互いに直交する縦方向及び横方向と、肌対向面及び非肌対向面とを有し、横方向に延びる前ウエスト域及び後ウエスト域と、縦方向に延びて前後ウエスト域に連結するクロッチ域と、少なくともクロッチ域の肌対向面に設けられる体液吸収パネルとを備え、前後ウエスト域の側縁部どうしが、縦方向に延びる一対のシーム部において接合されて、前後ウエスト域の上端部により胴回り開口縁が形成され、クロッチ域の横方向両側に一対の脚回り開口縁が形成されるとともに、前後ウエスト域に横方向に延びる胴回り弾性部材が伸長状態で取り付けられ、体液吸収パネルの両側縁に沿って延びる一対の立体カフが少なくともクロッチ域に設けられ、立体カフが縦方向に延びる固定縁部及び自由縁部を有し、固定縁部がクロッチ域に接合され、自由縁部に沿って立体カフ弾性部材が伸長状態で取り付けられる低月齢児用のパンツ型おむつであって、前後ウエスト域のシーム部における接合を解除しておむつを平面状に伸展したとき、前後ウエスト域のそれぞれが、前後ウエスト域の上端部側に位置して横方向に延びる第1伸縮領域と、第1伸縮領域に隣接して横方向に延びる第2伸縮領域とを有し、縦方向における第1伸縮領域と第2伸縮領域との寸法比が1:1.6〜2.2の範囲であり、立体カフ弾性部材には胴回り弾性部材と同様の弾性糸を用いてあり、第1伸縮領域及び第2伸縮領域を非伸長の状態から最大周長の90%まで横方向に伸長させたとき、第2伸縮領域の全体の収縮力が、第1伸縮領域の全体の収縮力よりも大きくなるように胴回り弾性部材を配置してあり、自由縁部に取り付けられる立体カフ弾性部材の伸長倍率よりも、第2伸縮領域に取り付けられる胴回り弾性部材の伸長倍率の方が低いため、自由縁部に取り付けられる立体カフ弾性部材の収縮力よりも、第2伸縮領域に取り付けられる胴回り弾性部材の収縮力の方が低いことを特徴とする。
(1)第1伸縮領域に取り付けられる胴回り弾性部材の伸長倍率、及び第2伸縮領域に取り付けられる胴回り弾性部材の伸長倍率がいずれも2.2〜2.3倍の範囲にある。
(2)おむつが、前後ウエスト域のシーム部における接合を解除しておむつを平面状に伸展したとき、おむつの縦方向寸法を二等分する横方向中心線を有し、体液吸収パネルの縦方向における両端部が、それぞれ、前ウエスト域と後ウエスト域に位置し、前後ウエスト域のそれぞれが、一対のシーム部においてクロッチ域に最も近いシーム部の下端縁どうしを結ぶ仮想線を有し、前後ウエスト域のそれぞれにおいて、仮想線から体液吸収パネルの端部までの縦方向における寸法が、仮想線から前ウエスト域または後ウエスト域の上端部までの縦方向における寸法の、少なくとも70%である。
(3)体液吸収パネルが吸収体を備え、吸収体の縦方向における両端部が、前後ウエスト域のそれぞれにおいて第2伸縮領域の一部と重なり合う。
(4)前後ウエスト域を接合して形成される環状のベルト部全体を最大周長の90%に伸長したときの引張荷重が8N以下である。
(5)少なくともクロッチ域において、体液吸収パネルの両側縁部に沿って、縦方向に延びる脚回り弾性部材が伸長状態で取り付けられ、前後ウエスト域のシーム部における接合を解除しておむつを平面状に伸展したとき、体液吸収パネルの両側縁部に取り付けられる脚回り弾性部材の伸長倍率と、自由縁部に取り付けられる立体カフ弾性部材の伸長倍率とが同じである。
11 吸収体
11a,11b 吸収体の両端部
13 体液吸収パネル(クロッチ域)
13c,13d 体液吸収パネルの側縁部
18 前ベルト(前ウエスト域)
18a 前ベルトの上端部
18b 前ベルトの下端部
18c,18d 前ベルトの側縁部
19 後ベルト(後ウエスト域)
19a 後ベルトの上端部
19b 後ベルトの下端部
19c,19d 後ベルトの側縁部
20 シーム部
20b シ−ム部の下端縁
22 胴回り開口縁
23 脚回り開口縁
26 第1伸縮領域
27 第2伸縮領域
30 胴回り弾性部材
30a 第1胴回り弾性部材
30b 第2胴回り弾性部材
32 脚回り弾性部材
40 立体カフ
40a,40b 立体カフの両端部
40c 固定縁部
40d 自由縁部
42 立体カフ弾性部材
50 環状のベルト部
X 横方向
Y 縦方向
P 横方向中心線
R 仮想線
Claims (6)
- 互いに直交する縦方向及び横方向と、肌対向面及び非肌対向面とを有し、前記横方向に延びる前ウエスト域及び後ウエスト域と、前記縦方向に延びて前記前後ウエスト域に連結するクロッチ域と、少なくとも前記クロッチ域の前記肌対向面に設けられる体液吸収パネルとを備え、
前記前後ウエスト域の側縁部どうしが、前記縦方向に延びる一対のシーム部において接合されて、前記前後ウエスト域の上端部により胴回り開口縁が形成され、前記クロッチ域の前記横方向両側に一対の脚回り開口縁が形成されるとともに、
前記前後ウエスト域に前記横方向に延びる胴回り弾性部材が伸長状態で取り付けられ、
前記体液吸収パネルの両側縁に沿って延びる一対の立体カフが少なくとも前記クロッチ域に設けられ、前記立体カフが前記縦方向に延びる固定縁部及び自由縁部を有し、前記固定縁部が前記クロッチ域に接合され、前記自由縁部に沿って立体カフ弾性部材が伸長状態で取り付けられる低月齢児用のパンツ型おむつであって、
前記前後ウエスト域の前記シーム部における接合を解除して前記おむつを平面状に伸展したとき、前記前後ウエスト域のそれぞれが、前記前後ウエスト域の前記上端部側に位置して前記横方向に延びる第1伸縮領域と、前記第1伸縮領域に隣接して前記横方向に延びる第2伸縮領域とを有し、前記縦方向における前記第1伸縮領域と前記第2伸縮領域との寸法比が1:1.6〜2.2の範囲であり、
前記立体カフ弾性部材には前記胴回り弾性部材と同様の弾性糸を用いてあり、
前記第1伸縮領域及び前記第2伸縮領域を非伸長の状態から最大周長の90%まで前記横方向に伸長させたとき、前記第2伸縮領域の全体の収縮力が、前記第1伸縮領域の全体の収縮力よりも大きくなるように前記胴回り弾性部材を配置してあり、
前記自由縁部に取り付けられる前記立体カフ弾性部材の伸長倍率よりも、前記第2伸縮領域に取り付けられる前記胴回り弾性部材の伸長倍率の方が低いため、前記自由縁部に取り付けられる前記立体カフ弾性部材の収縮力よりも、前記第2伸縮領域に取り付けられる前記胴回り弾性部材の収縮力の方が低いことを特徴とするおむつ。 - 前記前後ウエスト域の前記シーム部における接合を解除して前記おむつを平面状に伸展したとき、前記第1伸縮領域に取り付けられる前記胴回り弾性部材の伸長倍率と、前記第2伸縮領域に取り付けられる前記胴回り弾性部材の伸長倍率とが、いずれも2.2〜2.3倍の範囲にある、請求項1に記載のおむつ。
- 前記おむつが、前記前後ウエスト域の前記シーム部における接合を解除して前記おむつを平面状に伸展したとき、前記おむつの縦方向寸法を二等分する横方向中心線を有し、
前記体液吸収パネルの前記縦方向における両端部が、それぞれ、前記前ウエスト域と前記後ウエスト域に位置し、
前記前後ウエスト域のそれぞれが、前記一対のシーム部において前記クロッチ域に最も近い前記シーム部の下端縁どうしを結ぶ仮想線を有し、
前記前後ウエスト域のそれぞれにおいて、前記仮想線から前記体液吸収パネルの端部までの前記縦方向における寸法が、前記仮想線から前記前ウエスト域または前記後ウエスト域の前記上端部までの前記縦方向における寸法の、少なくとも70%である、請求項1又は2記載のおむつ。 - 前記体液吸収パネルが吸収体を備え、前記吸収体の前記縦方向における両端部が、前記前後ウエスト域のそれぞれにおいて前記第2伸縮領域の一部と重なり合う、請求項1〜3のいずれかに記載のおむつ。
- 前記前後ウエスト域を接合して形成される環状のベルト部全体を最大周長の90%に伸長したときの引張荷重が8N以下である、請求項1〜4のいずれかに記載のおむつ。
- 少なくとも前記クロッチ域において、前記体液吸収パネルの両側縁部に沿って、前記縦方向に延びる脚回り弾性部材が伸長可能に位置し、
前記前後ウエスト域の前記シーム部における接合を解除して前記おむつを平面状に伸展したとき、前記体液吸収パネルの両側縁部に取り付けられる前記脚回り弾性部材の伸長倍率と、前記自由縁部に取り付けられる前記立体カフ弾性部材の伸長倍率とが同じである、請求項1〜5のいずれかに記載のおむつ。
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JP5964389B2 (ja) | 2014-10-24 | 2016-08-03 | 大王製紙株式会社 | パンツタイプ使い捨ておむつ |
JP2017538536A (ja) | 2014-12-25 | 2017-12-28 | ザ プロクター アンド ギャンブル カンパニー | 弾性ベルトを有する吸収性物品 |
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WO2016104752A1 (ja) * | 2014-12-26 | 2016-06-30 | ユニ・チャーム株式会社 | 使い捨てのおむつ |
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