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TW200816965A - Shaped elastic tab laminates - Google Patents

Shaped elastic tab laminates Download PDF

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Publication number
TW200816965A
TW200816965A TW096129084A TW96129084A TW200816965A TW 200816965 A TW200816965 A TW 200816965A TW 096129084 A TW096129084 A TW 096129084A TW 96129084 A TW96129084 A TW 96129084A TW 200816965 A TW200816965 A TW 200816965A
Authority
TW
Taiwan
Prior art keywords
elastic
patch
width
segments
zone
Prior art date
Application number
TW096129084A
Other languages
English (en)
Inventor
Jayshree Seth
Brandy Shannell Nolan
Katherine April Stephan Graham
Original Assignee
3M Innovative Properties Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of TW200816965A publication Critical patent/TW200816965A/zh

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/56Supporting or fastening means
    • A61F13/58Adhesive tab fastener elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00Layered products comprising a layer of natural or synthetic rubber
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
    • A61F13/49007Form-fitting, self-adjusting disposable diapers
    • A61F13/49009Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/49014Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the side panels
    • A61F13/49015Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the side panels the elastic means being elastic panels
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape specially adapted to be worn around the waist, e.g. diapers, nappies
    • A61F13/49007Form-fitting, self-adjusting disposable diapers
    • A61F13/49009Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/4902Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/56Supporting or fastening means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/04Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a layer being specifically extensible by reason of its structure or arrangement, e.g. by reason of the chemical nature of the fibres or filaments
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24612Composite web or sheet
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24851Intermediate layer is discontinuous or differential

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Laminated Bodies (AREA)

Description

200816965 九、發明說明: 【發明所屬之技術領域】 本i明係針對一在彈性緊固貼片或元件中使用的成形之 彈性貼片薄片。該彈性緊固貼片或元件係經設計以當其用 作物PU上之扣合貼片時提供適型配合,該等物品一般係諸 如、、、氏尿布、袍服、園纏式衣物或其類似物之拋棄式物品。 【先前技術】 彈性物品廣泛使用於諸如紙尿布之拋棄式物品中以在主 要/ϋ腿邛及腰部使用時產生較為舒適且緊固之配合。一腰 Ρ彈1±物叩之特定設計的實例於等人的美國專利申請 案第雇朗655 16號中教示,其教示一具有一可拉伸外保 4層之拋棄式紙尿布,其中該可拉伸外保護層可經配置以 在其經受拉力時提供具有不同伸長程度之區域。 Μο_η等人的美國專利第6,456,〇73號教示—可拉伸非 、’扁織、、’罔,或一可拉伸非編織網之薄片及一彈性薄片,該彈 性薄片在其-或多個區財經複數個膠合線處理以提供受 控拉伸性質。該膠合線之使用降低材料在該膠合線區域中 之拉伸性。該彈性物品可用於諸如紙尿布之抛棄式物品之 各種區域。 Y. Heki的美國專利第6,200,299號教示一具有能夠分散 沿腰部及腿部施加之拉力以預防浅漏之耳狀零件的抛棄1 紙尿布。該彈性物品分散拉力但提供沿其長 之^ 力。 习之張
Van G〇mpel等人的纟國專利第6,336,922號教示—吸收物 123252.doc 200816965 八ι括位於腰部且橫向延伸超出該物品底盤之邊緣 的配合飾條。該配合飾條可包括—中心橋接飾條及一對橫 向相對之侧面飾條,其中該橋接飾條及該侧面飾條在整個 具有不同彈性性f之配合飾條之寬度上提供單獨彈性區。 一 B. A. Sauer的美國專利第6,264,639號及第$,㈣,…號教 示-如紙尿布之吸收物品,其具有—包括—中心區及自該 中心區横向朝外延伸至該吸收物品之側緣的—對橫向相對 之側面區的腰部襟翼。亦教示該腰部襟翼可包括兩種或兩 種以上不同材料,直可垃人 /、 接口在一起或以其他方式排列以提 供具有不同特徵或諸如不同彈性性f之不同性質之腰部 翼的不同部分。 μ 頒予Huber等人的美國專利第6, am ^號教示諸如紙尿 °收物u。’其具有一具有一弱延伸力腿部區域及一強 ^伸力腰部區域以改良該物品之整體配合且減少穿用者皮 膚上之大紅標記的側面飾條。 M. A. Bruemmer的美國專利第5,685,⑺號教示 對可差異性拉伸之耳狀邱杜沾也主1 一 斗狀邛件的拋棄式紙尿布,該耳狀部件 八,置:拉’之内部耳狀部分及-可拉伸之外部耳狀部 :/、、·耳狀部件之此等部分具有不同拉伸特徵。-種經 、見此專利之方法為經聚集楔形側面塑造耳狀部 件。於非楔形耳狀部件奋 右又丨件中貝現此專利之另一方法係使用具 有不同拉伸特徵之兩種不 j j ^伸材料。亦教示使用單 才料且藉由使用如上述 腴人括少 国專利弟6,456,073號中教示之 ^線或勝合點來改善一區域内的拉伸特徵。 I23252.doc 200816965 KUepper等人的美國專利第5,496,298號教示一適合在拋 棄式紙尿布上使用之彈性體耳狀部件。該彈性體耳狀部件 由界定-近端邊緣、-遠端邊緣、一第一連接邊緣及一第 二連接邊緣之彈性體材料形成。該第一連接邊緣及該第二 • 錢邊緣連接該近端邊緣及該遠端邊緣。㈣二連接邊緣 不與該第-連接邊緣平行’且該近端邊緣長於該遠端邊 ^ 緣。 馨 Hasse等人的美國專利第5,464,4〇丨號教示一諸如拋棄式 ^練褲之整體式拋棄式服裝,其在橫向加卫方向上具有高 拉伸度且適合廣泛範圍之穿用者尺寸。製造該服裝之底盤 具$四個經彈性處理之耳狀襟翼,每一耳狀襟翼藉由緊固 。。彈性體70件且機械拉伸該耳狀襟翼及該彈性體元件而經 彈性處理以使得該耳狀襟翼在初始拉伸之方向上可彈性延 伸…亥專利亦教示,當經彈性處理之耳狀襟翼在側向上經 拉伸時亦可沿縱向軸線具備差異之延展性。該專利還教 • * ’此差異延展性可用多種不同方法實現,該等方法包括 耳:襟翼可具有多種組合之彈性體材料、該等彈性體材料 之夕種組恶,或彈性體材料或組成該經彈性處理之耳狀襟 • 翼之材料之拉伸性質可不均勻。 丁 - /㈣等人的美國專利第5,i56,79^教示一"零應變”拉伸 缚片網,其如在網拉伸方向上沿大體上垂直於網拉伸之方 向的軸線之不同點所量測展現不均勻彈性度。 【發明内容】 成升y之彈性貼片係由基底層的彈性薄片來形成,其上 123252.d〇c 200816965 …或多個經附著之彈性元件以形成彈性區。該彈性區 4自彈性貼片之末端至彈性貼片之近端變化以使得鄰近 末立而之見度比鄰近近端之宫 之見度乍2〇〇/〇至80%。彈性區係由 在該彈性貼片彈性區之長唐 食度方向上具有不同平均寬度之複 數個區段界定。-或多個彈性元件在一或多種性質上不同 Γ吏得具有不同寬度之複數個區段在該成形之彈性貼片薄 片之給疋伸長率下具有大體上相同之伸長度。 【實施方式】 一習知類型之成形之彈性 ^ π 早貼片或耳狀溥片1展示於圖1 a 至圖2b中。該彈性貼# 、 ’ ,、有一附著至物品8之近端 、、中該近端6具有-較寬寬度3。該彈性貼片薄片】亦具 心ί:5 ’其一般具備-扣件且具有-比近端6之寬度3 乍見又2。扣件4可直接附著至該彈性貼片薄片1之末端 5 ’如圖所示,或在竿此妝 彈性貼片薄片i之末::5 — 1固貼片可附著至該 末而5。該扣件4可為諸如黏著劑或卡鉤 或衣圈機械扣件之任何習知扣件。 一習知的成形之彈性壯 % 、片潯片1!人工分成相等區段S以 况月>口该彈性貼片薄片 羽 之弹陡區之長度7的彈性性質。該 白知5早性貼片1之彈性亓杜 件的検截面展示於圖h中,其中 口亥5早性τΜ牛經展示具有一 習知為彈性薄膜㈣ 厚度9。該彈性元件 涛Μ材枓。此習知類型之
將伸長至長度7,,如圖lb+所干、丨田—拉伸% φ ^ ^ Q b中所不。初始相等長度之區段S SM、、者,將伸長至不同程度。亦即經拉伸之區段足,、 -[等皆具有不同長度,其中區段堊伸長至最大 123252.doc 200816965 卞’、有取乍平均寬度。在圖la中,7為彈性區之初始長 :而在圖lb中7'為彈性區經拉伸或伸長之長度。貼片1中 译性溥膜在經拉伸或經伸長之狀態7,下應具有—如圖^所 不之橋截面概況’其中厚度應視特定之增量區段拉伸之+ 度而變化。 ' ☆需要如圖Μ所示之一成形之彈性貼片以使力分散於近 缟6之廣泛區域上(施加於末端5之張力分散於更寬之近端 f,但較大部分之彈性張力集中於末端5,其產生大紅標 可Ί同4無效地利用大部分形成該彈性貼片薄片 之彈性元件。 守乃 :般而言,本發明之彈性貼片薄片包含一具有一或多個 寸著彈(生TL件之—或多個基底層的彈性薄片。該基底層一 般為諸如纖維網或薄膜之非彈性但可延伸之材料。該基底 曰般為諸如紡黏網、炫喷網、粗梳網、射流喷綱或其類 〇物之非編織纖維網,該非編織纖維網在應用拖棄式吸收 物品之人正常❹之力下係可延伸的。該基底層-般為一 在隔開之彈性元件之間無斷開之連續基底層。 彈性元件在該貼片薄片上形成至少—個彈性部分或彈性 區’、其中該彈性貼片薄片之彈性區且較佳形成該彈性區之 ""或多個彈性元件的寬度在此彈性區中不同。該等彈性元 件較佳為薄膜或薄膜狀彈性材料。 彈陵區可由石该貼片薄片之軸中心線的眾多獨立彈性區 段i界定’纟中在該等區段中彈性元件之寬度及/或厚度及/ 或活化程度與該彈性薄片之寬度呈反向變化,使得複數個 123252.doc -10- 200816965 彈性區段i在該彈性貼片之給定總伸長率下具有大體上相 同之伸長度。此等彈性區段&在寬度上不同。一般而言, 此專彈性區段gj申長至彼此之正負3 〇 %以内,較佳1 %至 20%。以特定排列,三個或三個以上、或四個或四個以 上、五個或五個以上、或甚至所有可能之彈性區段&在該 彈性貼片之給定伸長率下係伸長至彼此之1%至2〇%以内或 1°/〇之10%以内。為達成界定之目的,該等彈性區段中之每
者為彈丨生區之1 〇%或1 0%以上,較佳為彈性區之1 至 30%且至少2 mm寬。有時該彈性區段可由小而非彈性之區 段或具有較弱彈性之區段隔開,在此狀況下在該彈性貼片 之給定伸長率下具有大體上相同之伸長度的彈性區段可隔 開1 mm至1 〇 mm,或!瓜爪至5 mm。 對於-或多個彈性元件而言實現彈性區段之上述怪定? J·生[生貝的-種方法係使其厚度不同,以提供在該彈性貼》 之給定伸長率下具有大體上相同之伸長度(如上述定義> 彈性區段。舉例而言,假定提供—個彈性元件,其中在與 定彈性區段或整個彈性區内彈性貼片薄片及附著之彈性3 件之寬度在-點⑷處為χ且在第二點(b)處為Μ”由於驾 彈性貼片薄片之寶声的卜 守月〈羌度的此種差異’所提供之彈性元件一姻 2 一點⑷處應具有1勿之厚度且在第二點⑻處應具有〕 予度’其中在點⑷與點(b)之間的諸點所應用之比例相 ::此實例提供一在此等兩點(及此兩點之間的諸點,若 Π:同關係)處具有彈性材料之相對相同橫截量之薄 、轉而可提供—相對恆叙伸長度而不管該彈性貝占片 123252.doc 200816965 薄片及/或該附著之彈性元件於寬度上之差異。此實例假 設彈性薄片基底層在該彈性貼片薄片之所有相關彈性區段 中一般可等量延伸。 +圖^為本發明之彈性貼片薄片1()。彈性元件“同樣可為 薄膜彈性物品,或亦可為非編織彈性物品或其他類型之薄 :狀彈性物品。該彈性貼片薄片具有一附著至物品8之近 端16 ’其中該貼片(在此狀況下係排除具有扣件*之部分的
整個貼片)之彈性部分17之近端16具有一寬度13。貼片 亦具有-末端15,如圖所示,其具備一直接附著至貼片Μ 之末端:。5的習知扣件4。貼片1〇之附著扣件之該部分較佳 不具:彈性,此係由於貼片材料在此區域中係非彈性或由 於:著扣件,或由於二者。彈性部分或彈性區終止之貼片 末k 15具有—寬度12,其—般比彈性部分或彈性區近端寬 度13窄至少鳩至嶋或鄕至6Q%。隨後可將該彈性區再 分成複數個彈性區段1,其在沿該彈性區之長度的平均寬 度上不同。每一區段S應具有定義為該區段之平 之平均寬度。 又 :圖3 a至圖4b之特定實施例中,彈性貼片薄片1〇展示為 -早^性元件或材料此薄片,其經層邀為—連續基板 …蜂性元件U為薄膜或薄膜狀材料,其中材料厚度 =該彈性貼片之彈性區的寬度呈反向變化。此可見於圖 =中’其中近端16之厚度19小於末端15之厚度14。一般而 5 ’對於任何給定橫截面或預定區段而言,彈性材料^之 厚度乘以其寬度為分別相對恆定之橫截面積或體積 '结果 123252.doc -12- 200816965 為,當彈性貼片1〇在彈性區中自長度17伸長至1〇,之長度 π’時’經伸長之區段⑶m’…等)皆具有相對相 同之長度,而該彈性材料之厚度191及14,將傾向於如圖朴 中所示變得更均一。
在如圖5a及圖5b中所示之本發明的第二實施例中,提供 多個彈性元件2卜21,及21”,其亦在厚度上不同,如圖% 至圖4b之實施例中所示。該等三個彈性元件2i、2i,及2ι" 界定一在貼片之近端26處具有一寬度23及在貼片之末端乃 處具有-寬度22之彈性區。在其他方面此實施例類似於圖 3a至圖4b之實施例。在此狀況下之彈性物品可如美國專利 第2003/0087059號所描述加以應用,其内容以引用的方式 整體併入本文中。在此方法中’將熱塑性彈性物品自一諸 如卷筒之表面經沈積至基板18上,該卷筒具有沈積(諸如 擠壓)於該表面上之凹陷裏的熱塑性彈性物品,該等凹陷 確定所形成之彈性元件的形狀。凹陷中之熱塑性彈性物品 一般藉由該彈性物品與基板18之熱黏結轉移至該基板,但 亦可至少以部分黏著轉移。該彈性元件亦可藉由黏著劑或 習知薄片技術應用。 該等彈性薄片亦可在基底層材料之延展性程度上不同以 控制薄片之彈性性能。此差異一般藉由使該等彈性元件在 處於未延伸形式時附著至基底層且隨後使薄片經受不同程 度之活化以幫助提供具有上述恆定拉伸特徵之彈性區段= 實現。活化可以此方式藉由使用一可變增量拉伸設備執 行。此設備應為一活化或多或少彼此獨立之薄片之極小增 123252.doc -13 * 200816965 量面積之設備。此項技術亦稱為環乾。形成齒輪之齒可具 =同尺寸及形狀。—般而言’較深之喃合齒輪將產生較 间私度之活化’所以一較高度活化之部分將比一較弱活化 之口p分易於延伸,其可以整體或部分使用以提供在上述彈 性貼片之給定伸長率下且右 彈性區段。 〃 λ體上相同之伸長度的複數個 實現上述值定彈性性質(在彈性貼片之給定伸長率下且 有大體上相同之伸長度的彈性區段)之另-方法為且有: =狀亡不同之彈性元件。此方法可如_及圖⑪之實施 歹'所不執订。具有相對恆定伸長性質之彈性區段的彈性 區37為在兩條虛線28與29之間的部分。此彈性㈣且有一 靠近!5片之末端35的寬度32及-靠近貼片之近端的寬度 !3極m:分34為彈性區37之-部分’其具備非彈性 :S但有-於彈性斷開區34中之下層基底声 :。彈性材㈣自末端35至近端36加寬,但之: 截面中彈性材料之相對^之數量由斷開_維持,^ 斷開區之寬度對應於彈性區寬 品η具有恆定之厚度。 此^例中之彈性物 圖城示彈性區47之另一實施例,其中使用厚产改 性元件41、41,及41„之伸長性質,且彈性區47之;声= ㈣處之寬度42至近端46處之寬度43變化以提供^自末 值定伸長率的彈性區47。彈性元件41、41,及41:,: ^ :::=反向變化’此需要彈性元件之厚度上 123252.doc -14- 200816965
一般而言,不論是否由一或多個彈性元件形成,彈性區 之長度皆為15咖至400 _,或2〇咖至2〇〇咖,且在末 端至近端之間(或其一些部分)在寬度上不同,自其最小寬 度至最大寬度變化至少20%或3〇%β在大部分排列中_: 彈性區自外部(末端)至内部(近端)連續逐漸變細則其係= 么。此產生與穿用者相配之輪廓侧邊形狀,此楔形可為線 性但亦可為諸如抛物線之其他形狀。為提供彈性貼片至物 品之附著或標準固著元件至貼片薄片之附著(諸如,卡鉤 或環圈機㈣扣件或壓敏性黏著劑),㈣區可與至少— 個非彈性區接f該非彈性區可為同—薄片之部分但藉由 非彈性基板、使彈性物品、補強帶或其類㈣失活^ 生。 本發明之彈性貼片薄片_般用作諸如紙尿布或成人失学 物品之撤棄式吸收物品之側面扣合元件或耳狀部件。該: 形之彈性區將力自外部末端分散至附著至紙尿布或其類似 物之近端’然而該彈性物品均句伸長從而避免在彈性區中 產生高張力區段及低張力區段。
【圖式簡單說明】 J 圖1 a為使用一習知彈性蓮Μ夕士 、 生潯片之成形之彈性貼片薄片的俯 薄片在伸長時的俯視圖。 薄片之彈性區的側視圖。 薄片在如圖1 b所示伸長時 圖1 b為圖1 a之成形之彈性貼片 圖2a為圖1 a之成形之彈性貼片 圖2 b為圖1 a之成形之彈性貼片 其5早性區的側視圖。 I23252.doc -15- 200816965 圖3a為使用根據本發明之彈性薄片之成形之彈性貼片薄 片的俯視圖。 圖3b為圖3&之成形之彈性貼片薄片在伸長時的俯視圖。 圖4a為圖3a之成形之彈性貼片薄片之彈性區的側視圖。 圖4b為圖3a之成形之彈性貼片薄片在如圖扑所示伸長時 其彈性區的側視圖。 圖5a為使用根據本發明之彈性薄片的成形之彈性貼片薄 片之弟一貫施例的俯視圖。 圖5b為圖5a之成形之彈性貼片薄片之彈性區的側視圖。 圖6a為使用根據本發明之彈性薄片的成形之彈性貼片薄 片之第三實施例的俯視圖。 圖6b為圖6a之成形之彈性貼片薄片之彈性區的側視圖。 圖7a為使用根據本發明之彈性薄片的成形之彈性貼片薄 片之第四實施例的俯視圖。 圖7b為圖7a之成形之彈性貼片薄片之彈性區的側視圖。 【主要元件符號說明】 2 3 4 5 6 7 彈性貼片薄片,成形之彈性貼片; 耳狀薄片;貼片 寬度 寬度 扣件 末端 近端 長度 I23252.doc -16- 200816965
Ί' 長度 8 物品 9 厚度 10 彈性貼片薄片;貼片;彈性貼片 10! 彈性貼片薄片;貼片;彈性貼片 11 彈性元件;彈性材料;彈性物品 12 寬度 13 寬度 14 厚度 14* 厚度 15 末端 16 近端 17 長度 17f 長度 18 基板;基底層 19 厚度 19f 厚度 21 彈性元件 2Γ 彈性元件 21” 彈性元件 22 寬度 23 寬度 25 末端 26 近端 123252.doc -17- 200816965
28 虛線 29 虛線 31 彈性材料 32 寬度 , 33 寬度 34 彈性斷開部分;彈性斷開區;斷開區 35 末端 36 近端 3 7 彈性區 41 彈性元件 4Γ 彈性元件 41’’ 彈性元件 42 寬度 43 寬度 44 厚度 45 末端 46 近端 47 彈性區 49 厚度 S 區段 S! 區段 SM 區段 s", 區段 s,", 區段 I23252.doc -18-

Claims (1)

  1. 200816965 十、申請專利範圍: 1. -種成形之彈性I占片’其包含一具有一或多個附著彈性 元件之一連續基底層的彈性薄片,其形成一彈性區,豆 中該彈性區之寬度自該彈性貼片之_末端至該彈性貼片' 之一近端變化以使得該末端寬度比該近端寬度窄2〇%至 80%,該彈性區係由在該彈性貼片彈性區之長度方向上 具有不同平均寬度之複數個彈性區段界定,該或該等彈 性元件在一或多種性質上不同以致具有不同寬度之複數 個彈性區段在該彈性貼片之給定伸長率下具有大體上相 同之伸長度。 2·如請求項1之彈性貼片,其中該彈性區之末端寬度比該 彈性區之近端寬度窄30%至6〇%。 3·如請求項1之彈性貼片,其中該等彈性區段中之每一者 至少為該彈性區之1 〇%。 4如請求項3之彈性貼片,其中該等彈性區段中之每一者 為該彈牲區之10%至30%。 5 ·如請求項3之彈性貼片,其中該等彈性區段中之每一者 至少為2 mm寬。 6·如請求項3之彈性貼片,其中該等彈性區段伸長至彼此 之正負30%以内。 7·如請求項3之彈性貼片,其中該等彈性區段伸長至彼此 之正負1%至20%以内。 8.如請求項1之彈性貼片,其中該等彈性元件中之一或多 者在其橫截面尺寸上不同以提供在該彈性貼片之給定伸 123252.doc 200816965 長率下具有大體上相同之伸長度的複數個彈性區段。
    如明求項1之彈性貼片,其中該等彈性元件中之一或多 者在其厚度上不同以提供在該彈性貼片之給定伸長率下 具有大體上相同之伸長度的複數個彈性區段。 如請求項1之彈性貼片,其中該等彈性元件中之一或多 者在其活化程度上不同以提供在該彈性貼片之給定伸長 率下具有大體上相同之伸長度的複數個彈性區段。 如明求項5之彈性貼片,其中兩個或兩個以上彈性區段 在忒彈性貼片之給定伸長率下具有大體上相同之伸長 度。 士明求項5之彈性貼片,其中五個或五個以上彈性區段 在該彈性貼片之給定伸長率下具有大體上相同之伸長 度。 13· 士明求項5之彈性貼片,其中該彈性區長度為Η㈤瓜至 400 mrn 〇 14.如请求項5之彈性貼片,其中該彈性區長度為汕至 200 mm 〇 15·如请求項5之彈性貼片,其中該彈性區在寬度上不同, 自其最小寬度至最大寬度變化至少2〇%。 16.如凊求項5之彈性貼片,其中該彈性區在寬度上不同, 自其最小寬度至最大寬度變化至少3〇%。 17·如請求項1之彈性貼片,其中該基底層在任何隔開之彈 性元件之間連續延伸。 18·如请求項5之彈性貼片,其中該彈性區自一外部至一内 123252.doc 200816965 部連續逐漸變細。 少一個非彈 19·如請求項5之彈性貼片,其中該彈性區與 性區接合。 件 20.如請求項16之彈性貼片,其中該非彈性區具有—扣件元 21,如請求項17之彈性貼片,其中該非彈性區扣件元件為— * 機械扣件。 # ' • 22.如請:^之彈性貼片’其中存在至少一個在該彈性貼 片之、、D定伸長率下具有與其他彈性區段不同之 彈性區段。 23’如明求項丨之彈性貼片,其中該基底層為—纖維網。 24.::請求項丨之彈性貼片’其中該基底層為—非編織纖維 25·如。月求項25之彈性貼片,#中該或該等彈性元件係在兩 個非編織纖維基底層之間層壓。 123252.doc
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AR062281A1 (es) 2008-10-29
CN101500521A (zh) 2009-08-05
US20080038507A1 (en) 2008-02-14
US7534481B2 (en) 2009-05-19
EP2049057A1 (en) 2009-04-22
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BRPI0714867A2 (pt) 2013-05-28
JP2010500121A (ja) 2010-01-07
WO2008021701A1 (en) 2008-02-21

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