JP2019063411A - 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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- JP2019063411A JP2019063411A JP2017194553A JP2017194553A JP2019063411A JP 2019063411 A JP2019063411 A JP 2019063411A JP 2017194553 A JP2017194553 A JP 2017194553A JP 2017194553 A JP2017194553 A JP 2017194553A JP 2019063411 A JP2019063411 A JP 2019063411A
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- vertical direction
- convex portion
- sheet
- adjacent
- elastic member
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- Textile Engineering (AREA)
- Dermatology (AREA)
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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、各々の前記弾性部材は、前記左右方向に収縮した状態において、前記上下方向に隣り合う2つの前記溶着部の間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、前記上下方向に隣り合って並ぶ複数の前記溶着部を有する第1溶着部列と、前記上下方向に隣り合って並ぶ複数の前記溶着部を有し、前記第1溶着部列の前記左右方向の一方側に隣り合って配置された第2溶着部列、とを備え、前記第1溶着部列は、前記一方側に凸となった第1凸部と、前記上下方向において前記第1凸部に隣り合う第2凸部とを有しており、前記第2溶着部列は、前記左右方向の他方側に凸となった第3凸部を有しており、自然状態において、前記第1凸部の前記一方側の端と、前記第2凸部の前記一方側の端とを結んだ直線よりも前記他方側に、前記第3凸部の前記他方側の端が位置している、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、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、351 第1弾性部材、352 第2弾性部材、
37 腹側帯部材(比較例)
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、
60 溶着部列、
60P 凸部、
61 第1溶着部列、61P1 第1凸部、61P1A 端、
61P2 第2凸部、61P2B 端、
62 第2溶着部列、62P3 第3凸部、62P3C 端、
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)
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、各々の前記弾性部材は、前記左右方向に収縮した状態において、前記上下方向に隣り合う2つの前記溶着部の間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、前記上下方向に隣り合って並ぶ複数の前記溶着部を有する第1溶着部列と、前記上下方向に隣り合って並ぶ複数の前記溶着部を有し、前記第1溶着部列の前記左右方向の一方側に隣り合って配置された第2溶着部列と、を備え、前記第1溶着部列は、前記一方側に凸となった第1凸部と、前記上下方向において前記第1凸部に隣り合う第2凸部とを有しており、前記第2溶着部列は、前記左右方向の他方側に凸となった第3凸部を有しており、自然状態において、前記第1凸部の前記一方側の端と、前記第2凸部の前記一方側の端とを結んだ直線よりも前記他方側に、前記第3凸部の前記他方側の端が位置しており、前記左右方向に伸長した状態において、前記第1凸部の前記一方側の端と、前記第2凸部の前記一方側の端とを結んだ直線よりも前記一方側に、前記第3凸部の前記他方側の端が位置している、ことを特徴とする伸縮性シートである。
Claims (15)
- 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、
各々の前記弾性部材は、前記左右方向に収縮した状態において、前記上下方向に隣り合う2つの前記溶着部の間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、
前記上下方向に隣り合って並ぶ複数の前記溶着部を有する第1溶着部列と、前記上下方向に隣り合って並ぶ複数の前記溶着部を有し、前記第1溶着部列の前記左右方向の一方側に隣り合って配置された第2溶着部列と、を備え、
前記第1溶着部列は、前記一方側に凸となった第1凸部と、前記上下方向において前記第1凸部に隣り合う第2凸部とを有しており、
前記第2溶着部列は、前記左右方向の他方側に凸となった第3凸部を有しており、
自然状態において、
前記第1凸部の前記一方側の端と、前記第2凸部の前記一方側の端とを結んだ直線よりも前記他方側に、
前記第3凸部の前記他方側の端が位置している、
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、
前記左右方向に伸長した状態において、
前記第1凸部の前記一方側の端と、前記第2凸部の前記一方側の端とを結んだ直線よりも前記一方側に、
前記第3凸部の前記他方側の端が位置している、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、
前記第1溶着部列及び前記第2溶着部列に含まれる複数の前記溶着部のうち、前記上下方向に隣り合う2つの溶着部は、
前記左右方向に重複する部分を有している、ことを特徴とする伸縮性シート。 - 請求項3に記載の伸縮性シートであって、
前記上下方向に隣り合う2つの溶着部が前記左右方向に重複している部分の長さは、
前記上下方向に隣り合う2つの溶着部が前記左右方向に重複していない部分の長さよりも長い、ことを特徴とする伸縮性シート。 - 請求項3または4に記載の伸縮性シートであって、
前記溶着部列は、前記上下方向の上側から下側に向かって、
前記左右方向に蛇行している、ことを特徴とする伸縮性シート。 - 請求項1〜5のいずれか1項に記載の伸縮性シートであって、
前記溶着部の前記左右方向における長さは、
前記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1〜6のいずれか1項に記載の伸縮性シートであって、
前記溶着部の前記上下方向における長さは、
前記上下方向において、隣り合う2つの前記溶着部の間隔よりも長い、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、
複数の前記弾性部材のうち、第1弾性部材と、前記第1弾性部材と前記上下方向に隣り合う第2弾性部材との前記上下方向における間隔は、
前記第1凸部の前記一方側の端と前記第2凸部の前記一方側の端との前記上下方向における間隔よりも小さい、ことを特徴とする伸縮性シート。 - 請求項8に記載の伸縮性シートであって、
複数の前記弾性部材のうち、第1弾性部材と、前記第1弾性部材と前記上下方向に隣り合う第2弾性部材との前記上下方向における間隔は、
前記第1凸部の前記一方側の端と前記第2凸部の前記一方側の端との前記上下方向における間隔の1/2よりも小さい、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、
前記左右方向に伸長した状態においては、前記第3凸部の前記他方側の端が、前記第1凸部の前記一方側の端と前記第2凸部の前記一方側の端とを結んだ直線よりも前記一方側に位置し、
前記自然状態においては、前記第3凸部の前記他方側の端が、前記第1凸部の前記一方側の端と前記第2凸部の前記一方側の端とを結んだ直線よりも前記他方側に位置するように、
前記第3凸部の前記他方側の端を移動させることが可能な収縮力を発現する伸長倍率で、前記弾性部材が取り付けられている、ことを特徴とする伸縮性シート。 - 請求項10に記載の伸縮性シートであって、
前記弾性部材は、2倍以上3倍以下の伸長倍率で取り付けられている、ことを特徴とする伸縮性シート。 - 請求項10または11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、前記左右方向に収縮した状態において、前記上下方向に隣り合う2つの前記溶着部の間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、
前記上下方向に隣り合って並ぶ複数の前記溶着部を有する第1溶着部列と、前記上下方向に隣り合って並ぶ複数の前記溶着部を有し、前記第1溶着部列の前記左右方向の一方側に隣り合って配置された第2溶着部列と、を備え、
前記第1溶着部列は、前記一方側に凸となった第1凸部と、前記上下方向において前記第1凸部に隣り合う第2凸部とを有しており、
前記第2溶着部列は、前記左右方向の他方側に凸となった第3凸部を有しており、
自然状態において、
前記第1凸部の前記一方側の端と、前記第2凸部の前記一方側の端とを結んだ直線よりも前記他方側に、
前記第3凸部の前記他方側の端が位置している、ことを特徴とする吸収性物品。 - 請求項13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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KR1020207003739A KR102109620B1 (ko) | 2017-10-04 | 2018-09-28 | 신축성 시트 및 흡수성 물품 |
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PCT/JP2018/036262 WO2019069807A1 (ja) | 2017-10-04 | 2018-09-28 | 伸縮性シート及び吸収性物品 |
EA202090279A EA035840B1 (ru) | 2017-10-04 | 2018-09-28 | Растягивающийся/стягивающийся лист и впитывающее изделие |
SG11202000436TA SG11202000436TA (en) | 2017-10-04 | 2018-09-28 | Stretchable/contractable sheet and absorbent article |
MYPI2020000174A MY181553A (en) | 2017-10-04 | 2018-09-28 | Stretchable/contractable sheet and absorbent article |
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BR112020002159-8A BR112020002159B1 (pt) | 2017-10-04 | 2018-09-28 | Folha estirável/retrátil e artigo absorvente |
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WO2023238801A1 (ja) * | 2022-06-10 | 2023-12-14 | ユニ・チャーム株式会社 | 伸縮性シート、及び、パンツ型吸収性物品 |
JP7379598B1 (ja) | 2022-06-20 | 2023-11-14 | ユニ・チャーム株式会社 | パンツ型吸収性物品 |
WO2023248812A1 (ja) * | 2022-06-20 | 2023-12-28 | ユニ・チャーム株式会社 | 吸収性物品 |
WO2023248818A1 (ja) * | 2022-06-20 | 2023-12-28 | ユニ・チャーム株式会社 | パンツ型吸収性物品 |
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US20200155370A1 (en) | 2020-05-21 |
US10980678B2 (en) | 2021-04-20 |
MY181553A (en) | 2020-12-28 |
KR102109620B1 (ko) | 2020-05-12 |
TW201923194A (zh) | 2019-06-16 |
EP3692961B1 (en) | 2024-05-22 |
KR20200019762A (ko) | 2020-02-24 |
SG11202000436TA (en) | 2020-02-27 |
JP6503431B1 (ja) | 2019-04-17 |
EA202090279A1 (ru) | 2020-03-18 |
EA035840B1 (ru) | 2020-08-19 |
EP3692961A1 (en) | 2020-08-12 |
WO2019069807A1 (ja) | 2019-04-11 |
TWI779058B (zh) | 2022-10-01 |
CN111093580A (zh) | 2020-05-01 |
BR112020002159A2 (pt) | 2020-07-28 |
CN111093580B (zh) | 2020-11-06 |
BR112020002159B1 (pt) | 2024-03-12 |
EP3692961A4 (en) | 2020-12-02 |
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