JP2019063412A - 伸縮性シート及び吸収性物品 - Google Patents
伸縮性シート及び吸収性物品 Download PDFInfo
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- JP2019063412A JP2019063412A JP2017194554A JP2017194554A JP2019063412A JP 2019063412 A JP2019063412 A JP 2019063412A JP 2017194554 A JP2017194554 A JP 2017194554A JP 2017194554 A JP2017194554 A JP 2017194554A JP 2019063412 A JP2019063412 A JP 2019063412A
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- welded portion
- elastic member
- vertical direction
- length
- sheet
- Prior art date
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Abstract
Description
互いに交差する上下方向と左右方向とを有し、複数の溶着部によって接合された第1シートと第2シートとの間に、前記左右方向に沿って伸縮可能な弾性部材が前記上下方向に間隔を空けて複数配置された伸縮性シートであって、複数の前記弾性部材のうち或る弾性部材の上側に、第1溶着部と、前記第1溶着部の前記左右方向の一方側に隣り合う第3溶着部とを有し、前記或る弾性部材の下側に、第2溶着部と、前記第2溶着部の前記一方側に隣り合う第4溶着部とを有し、前記或る弾性部材は、前記左右方向に収縮した状態において、前記第1溶着部と前記第2溶着部とによって前記上下方向に挟み込まれると共に、前記第3溶着部と前記第4溶着部とによって前記上下方向に挟み込まれることによって、前記第1シート及び前記第2シートに取り付けられており、前記第1溶着部と前記第3溶着部とは、前記上下方向において重複する部分を有し、前記第1溶着部の下端位置と前記3溶着部の下端位置とは、前記上下方向においてずれている、ことを特徴とする伸縮性シートである。
<使い捨ておむつの構成>
本実施形態に係る伸縮性シートを用いた吸収性物品の一例として使い捨ておむつ1(以下、「おむつ1」とも呼ぶ)について説明する。同おむつ1では、伸縮性シートを胴回りの帯部材(後述する腹側帯部材31と背側帯部材41)として使用している。図1は、おむつ1の概略斜視図である。図2は、展開かつ伸長した状態のおむつ1を着用者の肌側から見た概略平面図である。図3は、図2中のA−A断面図であるとともに、同図2中のB−B断面図でもある。
続いて、本実施形態に係る伸縮性シートたる腹側帯部材31及び背側帯部材41の具体的な構成について説明する。上述したように、本実施形態の腹側帯部材31及び背側帯部材41はほぼ同様の構成を有している。そこで、以下の説明では腹側帯部材31及び背側帯部材41の両者に共通する内容については、両者を代表して腹側帯部材31についてのみ説明する。背側帯部材41については、腹側帯部材31に対応する部材等の符号を必要に応じて括弧書きで示す等として、具体的な説明は省略する。
以上、本発明の実施形態について説明したが、上記の実施形態は、本発明の理解を容易にするためのものであり、本発明を限定して解釈するためのものではない。また、本発明は、その趣旨を逸脱すること無く、変更や改良され得るとともに、本発明にはその等価物が含まれるのは言うまでも無い。例えば、以下に示すような変形が可能である。
10 吸収性本体、
10ea 端部、10eb 端部、
11 吸収体、11c 吸収性コア、
13 トップシート、15 バックシート、
17 糸ゴム、18 糸ゴム、
31 腹側帯部材、31e 端部、
32 第1シート、33 第2シート、
35 弾性部材、
41 背側帯部材、41e 端部、
42 第1シート、43 第2シート、
45 弾性部材、
50 溶着部、50s 溶着部対、
51 第1溶着部、52 第2溶着部、53 第3溶着部、54 第4溶着部、
55 第5溶着部、56 第6溶着部、
60 溶着部列、
61 第1溶着部列、62 第2溶着部列、63 第3溶着部列、
BH 胴回り開口、LH 脚周り開口、
CL1 中央位置、
LG レッグギャザー、
LSG 立体ギャザー(防漏壁部)、
SS サイドシール部
互いに交差する上下方向と左右方向とを有し、複数の溶着部によって接合された第1シートと第2シートとの間に、前記左右方向に沿って伸縮可能な弾性部材が前記上下方向に間隔を空けて複数配置された伸縮性シートであって、複数の前記弾性部材のうち或る弾性部材の上側に、第1溶着部と、前記第1溶着部の前記左右方向の一方側に隣り合う第3溶着部とを有し、前記或る弾性部材の下側に、第2溶着部と、前記第2溶着部の前記一方側に隣り合う第4溶着部とを有し、前記或る弾性部材は、前記左右方向に収縮した状態において、前記第1溶着部と前記第2溶着部とによって前記上下方向に挟み込まれると共に、前記第3溶着部と前記第4溶着部とによって前記上下方向に挟み込まれることによって、前記第1シート及び前記第2シートに取り付けられており、前記第1溶着部と前記第3溶着部とは、前記上下方向において重複する部分を有し、前記第1溶着部の下端位置と前記第3溶着部の下端位置とは、前記上下方向においてずれており、前記上下方向において、前記第1溶着部と前記第3溶着部とが重複している部分の長さは、前記上下方向において、前記第1溶着部の最下端と前記第3溶着部の最下端との間の長さよりも長い、ことを特徴とする伸縮性シートである。
Claims (16)
- 互いに交差する上下方向と左右方向とを有し、
複数の溶着部によって接合された第1シートと第2シートとの間に、前記左右方向に沿って伸縮可能な弾性部材が前記上下方向に間隔を空けて複数配置された伸縮性シートであって、
複数の前記弾性部材のうち或る弾性部材の上側に、第1溶着部と、前記第1溶着部の前記左右方向の一方側に隣り合う第3溶着部とを有し、
前記或る弾性部材の下側に、第2溶着部と、前記第2溶着部の前記一方側に隣り合う第4溶着部とを有し、
前記或る弾性部材は、前記左右方向に収縮した状態において、前記第1溶着部と前記第2溶着部とによって前記上下方向に挟み込まれると共に、前記第3溶着部と前記第4溶着部とによって前記上下方向に挟み込まれることによって、前記第1シート及び前記第2シートに取り付けられており、
前記第1溶着部と前記第3溶着部とは、前記上下方向において重複する部分を有し、
前記第1溶着部の下端位置と前記第3溶着部の下端位置とは、前記上下方向においてずれている、
ことを特徴とする伸縮性シート。 - 請求項1に記載の伸縮性シートであって、
前記上下方向において、前記第1溶着部と前記第3溶着部とが重複している部分の長さは、
前記上下方向において、前記第1溶着部の最下端と前記第3溶着部の最下端との間の長さよりも長い、ことを特徴とする伸縮性シート。 - 請求項1または2に記載の伸縮性シートであって、
前記左右方向において前記弾性部材を伸長可能な最大の長さまで伸長させたときの前記弾性部材の外径長さは、
前記上下方向において、前記第1溶着部の最下端と前記第3溶着部の最下端との間の長さよりも長い、ことを特徴とする伸縮性シート。 - 請求項1〜3のいずれか1項に記載の伸縮性シートであって、
前記第1溶着部の前記左右方向における長さは、
前記第1溶着部の前記上下方向における長さよりも長い、ことを特徴とする伸縮性シート。 - 請求項1〜4のいずれか1項に記載の伸縮性シートであって、
前記第2溶着部及び前記第3溶着部は、長方形の4隅が切り欠かれた形状である、ことを特徴とする伸縮性シート。 - 請求項1〜4のいずれか1項に記載の伸縮性シートであって、
前記第2溶着部及び前記第3溶着部は、楕円形状である、ことを特徴とする伸縮性シート。 - 請求項1〜6のいずれか1項に記載の伸縮性シートであって、
前記第1溶着部〜前記第4溶着部は、いずれも同じ形状である、ことを特徴とする伸縮性シート。 - 請求項1〜7のいずれか1項に記載の伸縮性シートであって、
前記左右方向において前記弾性部材を伸長可能な最大の長さまで伸長させたときの前記弾性部材の外径長さは、
前記上下方向における前記第1溶着部の最下端と前記第2溶着部の最上端との間の長さ、及び、前記上下方向における前記第3溶着部の最下端と前記第4溶着部の最上端との間の長さよりも短い、ことを特徴とする伸縮性シート。 - 請求項1〜8のいずれか1項に記載の伸縮性シートであって、
前記左右方向において前記弾性部材を伸長可能な最大の長さまで伸長させたときの前記弾性部材の外径長さは、
前記上下方向における前記第3溶着部の最下端と前記第2溶着部の最上端との間の長さよりも短い、ことを特徴とする伸縮性シート。 - 請求項1〜9のいずれか1項に記載の伸縮性シートであって、
前記或る弾性部材の上側に、前記第3溶着部の前記左右方向の一方側に隣り合う第5溶着部を有し、
前記左右方向において前記弾性部材を伸長可能な最大の長さまで伸長させたときの前記弾性部材の外径長さは、
前記上下方向における前記第5溶着部の最下端と前記第2溶着部の最上端との間の長さよりも短い、ことを特徴とする伸縮性シート。 - 請求項1〜10のいずれか1項に記載の伸縮性シートであって、
前記上下方向における前記第1溶着部の最下端と前記第2溶着部の最上端との間の長さと、
前記上下方向における前記第3溶着部の最下端と前記第4溶着部の最上端との間の長さとが等しい、ことを特徴とする伸縮性シート。 - 請求項1〜11のいずれか1項に記載の伸縮性シートであって、
前記左右方向において前記弾性部材を伸長可能な最大の長さの70%まで伸長させたときの前記弾性部材の外径長さは、
前記上下方向における前記第3溶着部の最下端と前記第2溶着部の最上端との間の長さよりも長い、ことを特徴とする伸縮性シート。 - 請求項1〜12のいずれか1項に記載の伸縮性シートであって、
前記左右方向において、隣り合う2つの前記溶着部の間隔は6mm以下である、ことを特徴とする伸縮性シート。 - 互いに交差する上下方向と左右方向とを有し、
排泄物を吸収する吸収性本体と、
前記左右方向に沿って設けられ、前記吸収性本体の前側上端部に接合された腹側帯部材と、
前記腹側帯部材とは別体として前記左右方向に沿って設けられ、前記吸収性本体の後側上端部に接合された背側帯部材と、
を備えた吸収性物品であって、
前記腹側帯部材及び前記背側帯部材は、
複数の溶着部によって接合された第1シート及び第2シートと、前記左右方向に沿って伸縮可能な弾性部材とを有し、
前記弾性部材は、前記第1シートと前記第2シートとの間に、前記上下方向に間隔を空けて複数配置されており、
複数の前記弾性部材のうち或る弾性部材の上側に、第1溶着部と、前記第1溶着部の前記左右方向の一方側に隣り合う第3溶着部とを有し、
前記或る弾性部材の下側に、第2溶着部と、前記第2溶着部の前記一方側に隣り合う第4溶着部とを有し、
前記或る弾性部材は、前記左右方向に収縮した状態において、前記第1溶着部と前記第2溶着部とによって前記上下方向に挟み込まれると共に、前記第3溶着部と前記第4溶着部とによって前記上下方向に挟み込まれることによって、前記第1シート及び前記第2シートに取り付けられており、
前記第1溶着部と前記第3溶着部とは、前記上下方向において重複する部分を有し、
前記第1溶着部の下端位置と前記3溶着部の下端位置とは、前記上下方向においてずれている、
ことを特徴とする吸収性物品。 - 請求項14に記載の吸収性物品であって、
前記腹側帯部材に設けられた前記弾性部材の前記上下方向における間隔と、
前記背側帯部材に設けられた前記弾性部材の前記上下方向における間隔と、が異なる、ことを特徴とする吸収性物品。 - 請求項15に記載の吸収性物品であって、
前記腹側帯部材に設けられた前記弾性部材の前記上下方向における間隔が、
前記背側帯部材に設けられた前記弾性部材の前記上下方向における間隔よりも狭い、ことを特徴とする吸収性物品。
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BR112020002098-2A BR112020002098B1 (pt) | 2017-10-04 | 2018-09-28 | Folha estirável/retrátil e artigo absorvente |
EA202090342A EA036218B1 (ru) | 2017-10-04 | 2018-09-28 | Растягивающийся/стягивающийся лист и впитывающее изделие |
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JP7305861B1 (ja) * | 2022-11-21 | 2023-07-10 | ユニ・チャーム株式会社 | 吸収性物品に用いられる伸縮性シート、及び、パンツ型吸収性物品 |
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CN111093579A (zh) | 2020-05-01 |
EP3692960A4 (en) | 2020-12-02 |
TWI741199B (zh) | 2021-10-01 |
WO2019069806A1 (ja) | 2019-04-11 |
US20200155371A1 (en) | 2020-05-21 |
EA202090342A1 (ru) | 2020-03-27 |
BR112020002098B1 (pt) | 2024-03-12 |
MY178460A (en) | 2020-10-14 |
JP6503432B1 (ja) | 2019-04-17 |
CN111093579B (zh) | 2021-01-08 |
KR20200019763A (ko) | 2020-02-24 |
BR112020002098A2 (pt) | 2020-08-04 |
KR102117418B1 (ko) | 2020-06-01 |
TW201932083A (zh) | 2019-08-16 |
SG11202000438VA (en) | 2020-02-27 |
EP3692960A1 (en) | 2020-08-12 |
US10987255B2 (en) | 2021-04-27 |
EA036218B1 (ru) | 2020-10-15 |
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