JP4887218B2 - 伸縮シートの製造方法、伸縮シートおよび吸収性物品 - Google Patents
伸縮シートの製造方法、伸縮シートおよび吸収性物品 Download PDFInfo
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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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- 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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Description
2 吸収体
4,4a,4b 外装シート
11 胴部開口
12 脚部開口
21a トップシート
23a バックシート
41 第1シート
42 第2シート
43,43a 胴部弾性部材
44,44a 脚部弾性部材
45 前方部弾性部材
46 後方部弾性部材
47 第1中間部弾性部材
48 第2中間部弾性部材
49,49a〜49c 非伸縮部
121 エッジ
401 前方部
402 中間部
403 後方部
431,445,446,451 弾性糸
441 前部脚部弾性糸
442 後部脚部弾性糸
444 切断線
471 第1中間部弾性糸
481 第2中間部弾性糸
841 第1シート部材
842 第2シート部材
849 交差領域
4441 第1切断線
4442 第2切断線
9174 第1切断刃
9175 第2切断刃
S11〜S17 ステップ
Claims (12)
- 着用者からの排泄物を受ける吸収性物品の一部である伸縮シートの製造方法であって、
a)所定の搬送方向に搬送される第1シート部材上に、第1弾性部材を第1方向に向けて伸張状態にて配置し、第2弾性部材を前記第1方向に対して傾斜する第2方向に向けて前記第1弾性部材と交差させつつ伸張状態にて配置し、前記第1弾性部材および前記第2弾性部材を間に挟んで前記第1シート部材上に第2シート部材を積層するとともに前記第1シート部材と前記第2シート部材とを接合する工程と、
b)前記第1方向に対して傾斜する切断刃と前記第2方向に対して傾斜する切断刃とを含む複数の切断刃により、前記第1弾性部材および前記第2弾性部材を前記第1弾性部材と前記第2弾性部材との交差領域において前記第1シート部材および前記第2シート部材の少なくとも一方と共に切断する工程と、
を備えることを特徴とする伸縮シートの製造方法。 - 請求項1に記載の伸縮シートの製造方法であって、
前記第1弾性部材が、前記第1方向に沿う複数の第1弾性糸を有し、
前記第2弾性部材が、前記第2方向に沿う複数の第2弾性糸を有することを特徴とする伸縮シートの製造方法。 - 請求項1または2に記載の伸縮シートの製造方法であって、
前記複数の切断刃が、
前記第1方向に対して45°以上135°以下の角度にて傾斜する複数の第1切断刃と、
前記第2方向に対して45°以上135°以下の角度にて傾斜する複数の第2切断刃と、
を含むことを特徴とする伸縮シートの製造方法。 - 請求項3に記載の伸縮シートの製造方法であって、
前記複数の第1切断刃のそれぞれが、前記第1方向に対して80°以上100°以下の角度にて傾斜し、
前記複数の第2切断刃のそれぞれが、前記第2方向に対して80°以上100°以下の角度にて傾斜することを特徴とする伸縮シートの製造方法。 - 請求項3または4に記載の伸縮シートの製造方法であって、
前記b)工程において、前記第1弾性部材と前記第2弾性部材との前記交差領域に、前記複数の第1切断刃による複数の切断線と複数の第2切断刃による複数の切断線とがおよそ均等に分布することを特徴とする伸縮シートの製造方法。 - 請求項1ないし5のいずれかに記載の伸縮シートの製造方法であって、
前記第1方向が前記搬送方向に平行であることを特徴とする伸縮シートの製造方法。 - 着用者からの排泄物を受ける吸収性物品の一部である伸縮シートであって、
第1シートと、
前記第1シート上に積層されて前記第1シートに接合された第2シートと、
前記第1シートと前記第2シートとの間において第1方向を向いて前記第1シートおよび前記第2シートに接合されるとともに収縮することにより前記第1シートおよび前記第2シートを収縮させる第1弾性部材と、
前記第1シートと前記第2シートとの間において前記第1方向に対して傾斜する第2方向を向いて前記第1弾性部材と交差しつつ前記第1シートおよび前記第2シートに接合されるとともに収縮することにより前記第1シートおよび前記第2シートを収縮させる第2弾性部材と、
を備え、
前記第1シートおよび前記第2シートを伸張した状態において、
前記第1シートおよび前記第2シートの少なくとも一方のシートが、前記第1弾性部材と前記第2弾性部材との交差領域において前記第1方向に対して45°以上135°以下の角度にて傾斜する複数の第1切断線と前記第2方向に対して45°以上135°以下の角度にて傾斜する複数の第2切断線とを含む複数の切断線を有し、
前記複数の切断線の位置にて前記第1弾性部材および前記第2弾性部材が切断され、前記複数の切断線が存在する領域が、伸縮性を有しない非伸縮部とされることを特徴とする伸縮シート。 - 請求項7に記載の伸縮シートであって、
前記第1弾性部材が、前記第1方向に沿う複数の第1弾性糸を有し、
前記第2弾性部材が、前記第2方向に沿う複数の第2弾性糸を有することを特徴とする伸縮シート。 - 請求項7または8に記載の伸縮シートであって、
前記複数の第1切断線のそれぞれが、前記第1方向に対して80°以上100°以下の角度にて傾斜し、
前記複数の第2切断線のそれぞれが、前記第2方向に対して80°以上100°以下の角度にて傾斜することを特徴とする伸縮シート。 - 請求項7ないし9のいずれかに記載の伸縮シートであって、
前記第1弾性部材と前記第2弾性部材との前記交差領域に、前記複数の第1切断線と前記複数の第2切断線とがおよそ均等に分布することを特徴とする伸縮シート。 - 上端に胴部開口を有し、下部に一対の脚部開口を有するパンツタイプの吸収性物品であって、
着用者の腹側および背側の肌に接する前方部および後方部の間の中間部で折り曲げられ、前記中間部を下側に向けた際の前記前方部の左右両側の部位が、前記後方部の左右両側の部位にそれぞれ接合されることにより、前記前方部および前記後方部の上端に胴部開口が形成され、前記前方部および前記後方部の下側において前記中間部の左右に一対の脚部開口が形成される外装シートと、
前記外装シートの着用者側に取り付けられて着用者からの排泄物を吸収する吸収体と、
を備え、
前記外装シートが、請求項7ないし10のいずれかに記載の伸縮シートを含み、
前記伸縮シートの前記第1弾性部材が、前記胴部開口のエッジに沿って配置されるとともに収縮することにより胴部開口ギャザを形成する胴部弾性部材、前記一対の脚部開口のそれぞれのエッジに沿って配置されるとともに収縮することにより一対の脚部開口ギャザを形成する脚部弾性部材、前記前方部において前記胴部弾性部材および前記脚部弾性部材の間に左右方向に沿って配置されるとともに収縮することにより前方部ギャザを形成する前方部弾性部材、前記後方部において前記胴部弾性部材および前記脚部弾性部材の間に前記左右方向に沿って配置されるとともに収縮することにより後方部ギャザを形成する後方部弾性部材、並びに、前記一対の脚部開口の間の前記中間部において前記左右方向に沿って配置されるとともに収縮することにより中間部ギャザを形成する中間部弾性部材のいずれかであることを特徴とする吸収性物品。 - 請求項11に記載の吸収性物品であって、
前記第1弾性部材が前記中間部弾性部材であり、
前記第2弾性部材が前記脚部弾性部材であることを特徴とする吸収性物品。
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| JP2007143495A JP4887218B2 (ja) | 2007-05-30 | 2007-05-30 | 伸縮シートの製造方法、伸縮シートおよび吸収性物品 |
| US12/153,676 US8075722B2 (en) | 2007-05-30 | 2008-05-22 | Method of manufacturing elastic sheet, and elastic sheet and absorbent product |
| EP08009840A EP1997463B1 (en) | 2007-05-30 | 2008-05-29 | Method of manufacturing elastic sheet, and elastic sheet and absorbent product |
| US13/192,880 US8353999B2 (en) | 2007-05-30 | 2011-07-28 | Method of manufacturing elastic sheet, and elastic sheet and absorbent product |
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| JP2007143495A JP4887218B2 (ja) | 2007-05-30 | 2007-05-30 | 伸縮シートの製造方法、伸縮シートおよび吸収性物品 |
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| JP4887218B2 true JP4887218B2 (ja) | 2012-02-29 |
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| US (2) | US8075722B2 (ja) |
| EP (1) | EP1997463B1 (ja) |
| JP (1) | JP4887218B2 (ja) |
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2008
- 2008-05-22 US US12/153,676 patent/US8075722B2/en not_active Expired - Fee Related
- 2008-05-29 EP EP08009840A patent/EP1997463B1/en not_active Not-in-force
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| JP2010094182A (ja) * | 2008-10-14 | 2010-04-30 | Livedo Corporation | 使い捨てパンツ型おむつ |
Also Published As
| Publication number | Publication date |
|---|---|
| US20080300565A1 (en) | 2008-12-04 |
| EP1997463A2 (en) | 2008-12-03 |
| EP1997463B1 (en) | 2012-10-10 |
| US8353999B2 (en) | 2013-01-15 |
| EP1997463A3 (en) | 2008-12-10 |
| US8075722B2 (en) | 2011-12-13 |
| JP2008295642A (ja) | 2008-12-11 |
| US20110284157A1 (en) | 2011-11-24 |
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