TW200816965A - Shaped elastic tab laminates - Google Patents
Shaped elastic tab laminates Download PDFInfo
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/56—Supporting or fastening means
- A61F13/58—Adhesive tab fastener elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B25/00—Layered products comprising a layer of natural or synthetic rubber
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent 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
- A61F13/49—Absorbent 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
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/49014—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the side panels
- A61F13/49015—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the side panels the elastic means being elastic panels
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent 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
- A61F13/49—Absorbent 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
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/4902—Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS 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
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/56—Supporting or fastening means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered 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
- B32B5/02—Layered 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
- B32B5/04—Layered 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
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
- Y10T428/24612—Composite web or sheet
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24851—Intermediate 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)
- 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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-
2006
- 2006-08-08 US US11/463,122 patent/US7534481B2/en not_active Expired - Fee Related
-
2007
- 2007-07-30 JP JP2009523896A patent/JP2010500121A/ja not_active Withdrawn
- 2007-07-30 EP EP07813516A patent/EP2049057A1/en not_active Withdrawn
- 2007-07-30 MX MX2009001373A patent/MX2009001373A/es unknown
- 2007-07-30 KR KR1020097002715A patent/KR20090037938A/ko not_active Withdrawn
- 2007-07-30 CN CNA2007800295951A patent/CN101500521A/zh active Pending
- 2007-07-30 BR BRPI0714867-4A patent/BRPI0714867A2/pt not_active IP Right Cessation
- 2007-07-30 WO PCT/US2007/074684 patent/WO2008021701A1/en not_active Ceased
- 2007-08-07 TW TW096129084A patent/TW200816965A/zh unknown
- 2007-08-08 AR ARP070103496A patent/AR062281A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KR20090037938A (ko) | 2009-04-16 |
| 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 |
| MX2009001373A (es) | 2009-02-13 |
| BRPI0714867A2 (pt) | 2013-05-28 |
| JP2010500121A (ja) | 2010-01-07 |
| WO2008021701A1 (en) | 2008-02-21 |
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