JP2009061045A - 使い捨ておむつの製造方法 - Google Patents
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- A—HUMAN NECESSITIES
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
【解決手段】機械方向MDに連続して供給されるシートに弾性部材を伸長下で接合し腹側・背側シート部材20,30とするシート部材製造工程P1と、長方形の両長辺に沿って一対の股間部弾性部材42が伸長下に取り付けられ、吸収コア5が両股間部弾性部材の間の距離を2等分する仮想中心線に関し対称となるよう接合された吸収性パネル4を腹側・背側シート部材に一定間隔で接合する接合工程P2と、吸収性パネルが接合された腹側・背側シートを切断する切断工程P3とを含むおむつの製造方法とした。
【選択図】図4
Description
シート部材製造工程において、背側弾性部材および腹側弾性部材の伸長を開放したとき、背側シート部材よりも腹側シート部材の方が大きく収縮するように、腹側弾性部材および背側弾性部材を腹側シート部材および背側シート部材に伸長下で接合する。あるいは、腹側弾性部材を腹側シート部材に接合するときの腹側弾性部材の伸長応力を、背側弾性部材を背側シート部材に接合するときの背側弾性部材の伸長応力よりも大きくする。
さらに、接合工程において、吸収コアが腹側シート部材に重なる長さの方が、吸収コアが背側シート部材に重なる長さより長くなるように、吸収性パネルを腹側シート部材および背側シート部材に接合することができる。
図4に示す例では、シート部材製造工程P1において、矢印MD1で示す第1機械方向に、腹側シート部材20となる原反シート9aと、背側シート部材30となる原反シート9bとが連続して供給される。原反シート9a,9bのそれぞれには、図示しないコータでホットメルト接着剤が塗布された後、第1機械方向に一定張力下で連続的に供給される腹側・背側弾性部材61,62が、原反シート9a,9bの第1機械方向に直交する幅方向(矢印CDで示す)において約半分の領域に接合される。腹側・背側弾性部材61,62には複数条のゴム紐を用いることができ、各ゴム紐の間隔は同一であってもよいし異なっていてもよい。
吸収コア5は、両股間部弾性部材42の間の距離を2等分する仮想中心線Cに関し対称となるよう接合される。このため、吸収性パネル4を腹側・背側シート部材20,30に接合する方法や、製造ラインの一時停止の有無にかかわらず、吸収コア5の位置が一対の脚周弾性部材81の中央からずれることは無い。なお、股間部弾性部材42は、矩形の吸収性パネル4の両長辺に沿って伸びていれば足り、透液性シート45と不透液性シート46の間ではなく、透液性シート45と不透液性シート46のいずれかのみに接合する構成とすることもできる。
あるいは、腹側弾性部材61のゴム紐の本数を多くしてもよいし、腹側弾性部材61のゴム紐の材質および/または形状を異ならせてもよい。また、腹側・背側弾性部材61,62に弾性フィルムを用い、腹側弾性部材61の幅、厚さを背側弾性部材62とは異ならせることもできる。
2 腹側ベルト
3 背側ベルト
4 吸収性パネル
5 吸収コア
7 胴周り開口
8 脚周り開口
9a 原反シート
9b 原反シート
20 腹側シート部材、
21 両腹側縁
22 両背側縁
30 背側シート部材
41 股間部側縁
42 股間部弾性部材
61 腹側弾性部材
62 背側弾性部材
C 仮想中心線
M 縦方向中心線
MD1 第1機械方向
P1 シート部材製造工程
P2 接合工程
P3 切断工程
Claims (6)
- 第1機械方向に連続して供給され腹側シート部材および背側シート部材となる原反シートに、互いに平行な腹側および背側弾性部材を第1機械方向に伸長下で連続的に供給しながら接合して、第1機械方向に直交する幅方向寸法が一定で前記腹側弾性部材を有する前記腹側シート部材と、幅方向寸法が一定で前記背側弾性部材を有する前記背側シート部材とを形成し、前記腹側および背側シート部材を幅方向において離間させ互いに平行に走行させるシート部材製造工程と、
第1機械方向に走行する前記腹側および背側シート部材に対し、長方形の両長辺に沿って一対の股間部弾性部材が伸長下に取り付けられるとともに、吸収コアが、前記両股間部弾性部材の間の距離を2等分する仮想中心線に関し対称となるよう接合された吸収性パネルを一定間隔で供給し、一対の前記股間部弾性部材が、前記腹側シート部材の前記腹側弾性部材および前記背側シート部材の前記背側弾性部材に直交するように重ね合わせて接合する接合工程と、
前記吸収性パネルが接合された前記腹側および背側シート部材を、隣接する前記吸収性パネルの間のほぼ中央で幅方向に沿って切断して個別のおむつとする切断工程とを含むことを特徴とする使い捨ておむつの製造方法。 - 第2機械方向に透液性シートと、不透液性シートと、一定張力下で伸長され互いに平行な一対の前記股間部弾性部材と、を連続供給するとともに、前記吸収コアを一対の前記股間部弾性部材の間の距離を2等分する前記仮想中心線に関し対称となるように一定間隔で供給し、
前記股間部弾性部材を前記透液性シートおよび前記不透液性シートの少なくともいずれかに伸長下で接合するとともに、前記吸収コアを前記透液性シートと前記不透液性シートとの間に接合し、
隣接する前記吸収コアの間のほぼ中央を前記第2機械方向に直交する方向に切断することにより、個別の前記吸収性パネルとする吸収体製造工程をさらに備える請求項1に記載の使い捨ておむつの製造方法。 - 前記シート部材製造工程において、前記背側弾性部材および前記腹側弾性部材の伸長を開放したとき、前記背側シート部材よりも前記腹側シート部材の方が大きく収縮するように、前記腹側弾性部材および前記背側弾性部材を前記腹側シート部材および前記背側シート部材に伸長下で接合する請求項1または請求項2に記載の使い捨ておむつの製造方法。
- 前記シート部材製造工程において、前記腹側弾性部材を前記腹側シート部材に接合するときの前記腹側弾性部材の伸長応力の方が、前記背側弾性部材を前記背側シート部材に接合するときの前記背側弾性部材の伸長応力よりも大きい請求項1または請求項2に記載の使い捨ておむつの製造方法。
- 前記背側シート部材に接合された前記背側弾性部材に少なくとも前記吸収コアが重ねられる部分の前記背側弾性部材の弾性を消失させる弾性消失工程を備える請求項1から請求項4のいずれか1項に記載の使い捨ておむつ。
- 前記接合工程において、前記吸収コアが前記腹側シート部材に重なる長さの方が、前記吸収コアが前記背側シート部材に重なる長さより長くなるように、前記吸収性パネルを前記腹側シート部材および前記背側シート部材に接合する請求項1から請求項5のいずれか1項に記載の使い捨ておむつ。
Priority Applications (16)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007230639A JP5270126B2 (ja) | 2007-09-05 | 2007-09-05 | 使い捨ておむつの製造方法 |
AU2008294255A AU2008294255B2 (en) | 2007-09-05 | 2008-07-11 | Method of manufacturing disposable diaper |
PCT/JP2008/062552 WO2009031359A1 (ja) | 2007-09-05 | 2008-07-11 | 使い捨ておむつの製造方法 |
CN200880111581A CN101820840A (zh) | 2007-09-05 | 2008-07-11 | 一次性尿布的制造方法 |
EP08778068.0A EP2186493B1 (en) | 2007-09-05 | 2008-07-11 | Method of manufacturing disposable diaper |
US12/676,614 US8771449B2 (en) | 2007-09-05 | 2008-07-11 | Method for making disposable diaper |
EA201070286A EA018634B1 (ru) | 2007-09-05 | 2008-09-03 | Способ изготовления подгузника одноразового использования |
MX2010002607A MX2010002607A (es) | 2007-09-05 | 2008-09-03 | Articulo de vestir absorbente desechable y metodo para la fabricación del mismo. |
BRPI0815515-1A BRPI0815515B1 (pt) | 2007-09-05 | 2008-09-03 | Artigo absorvente |
PCT/JP2008/065904 WO2009031592A1 (ja) | 2007-09-05 | 2008-09-03 | 使い捨て吸収性着用物品及びその製造方法 |
BR122021000255-0A BR122021000255B1 (pt) | 2007-09-05 | 2008-09-03 | Fralda descartável |
EG2010003491A EG27154A (en) | 2007-09-05 | 2010-03-03 | Disposable diaper |
EG2010003492A EG27155A (en) | 2007-09-05 | 2010-03-03 | An absorbent product with improved features of light transmission and tear resistance |
CO10036488A CO6280459A2 (es) | 2007-09-05 | 2010-03-26 | Articulo absorbente desechable para vestir y metodo de fabricacion del mismo |
MA32735A MA31883B1 (fr) | 2007-09-05 | 2010-04-01 | Article a porter absorbant jetable et son procede de fabrication |
ZA2010/07316A ZA201007316B (en) | 2007-09-05 | 2010-10-13 | Disposable absorptive wearing article and method of manufacturing the same |
Applications Claiming Priority (1)
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JP2007230639A JP5270126B2 (ja) | 2007-09-05 | 2007-09-05 | 使い捨ておむつの製造方法 |
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JP2009061045A true JP2009061045A (ja) | 2009-03-26 |
JP2009061045A5 JP2009061045A5 (ja) | 2010-09-24 |
JP5270126B2 JP5270126B2 (ja) | 2013-08-21 |
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US (1) | US8771449B2 (ja) |
EP (1) | EP2186493B1 (ja) |
JP (1) | JP5270126B2 (ja) |
CN (1) | CN101820840A (ja) |
AU (1) | AU2008294255B2 (ja) |
WO (1) | WO2009031359A1 (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010113854A1 (ja) * | 2009-04-03 | 2010-10-07 | ユニ・チャーム株式会社 | 吸収性物品製造装置、及び、吸収性物品を製造する方法 |
JP2012061167A (ja) * | 2010-09-16 | 2012-03-29 | Kao Corp | パンツ型吸収性物品 |
JP2012061138A (ja) * | 2010-09-16 | 2012-03-29 | Kao Corp | パンツ型吸収性物品 |
JP2013052307A (ja) * | 2012-12-21 | 2013-03-21 | Unicharm Corp | 使い捨ておむつ |
JP2015535484A (ja) * | 2012-11-27 | 2015-12-14 | ザ プロクター アンド ギャンブルカンパニー | 弾性ラミネートを作製するための方法及び装置 |
KR20160134673A (ko) | 2014-03-13 | 2016-11-23 | 다이오 페이퍼 코퍼레이션 | 팬티 타입 일회용 기저귀의 제조 방법 및 그 제조 방법에 의해 제조 가능한 팬티 타입 일회용 기저귀 |
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KR102296407B1 (ko) | 2014-03-13 | 2021-08-31 | 다이오 페이퍼 코퍼레이션 | 팬티 타입 일회용 기저귀의 제조 방법 및 그 제조 방법에 의해 제조 가능한 팬티 타입 일회용 기저귀 |
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US10639211B2 (en) | 2014-06-24 | 2020-05-05 | Daio Paper Corporation | Method for manufacturing underpants-type disposable diaper, and underpants-type disposable diaper |
JP2020188874A (ja) * | 2019-05-20 | 2020-11-26 | ユニ・チャーム株式会社 | 吸収性物品、及び吸収性物品の製造方法 |
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JP7458714B2 (ja) | 2019-05-20 | 2024-04-01 | ユニ・チャーム株式会社 | 吸収性物品、及び吸収性物品の製造方法 |
Also Published As
Publication number | Publication date |
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AU2008294255B2 (en) | 2013-12-05 |
EP2186493A4 (en) | 2012-12-05 |
US8771449B2 (en) | 2014-07-08 |
US20100252178A1 (en) | 2010-10-07 |
WO2009031359A1 (ja) | 2009-03-12 |
EP2186493A1 (en) | 2010-05-19 |
AU2008294255A1 (en) | 2009-03-12 |
EP2186493B1 (en) | 2017-12-27 |
JP5270126B2 (ja) | 2013-08-21 |
CN101820840A (zh) | 2010-09-01 |
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