TWI515344B - 工業用織物及其製造方法 - Google Patents

工業用織物及其製造方法 Download PDF

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Publication number
TWI515344B
TWI515344B TW098130071A TW98130071A TWI515344B TW I515344 B TWI515344 B TW I515344B TW 098130071 A TW098130071 A TW 098130071A TW 98130071 A TW98130071 A TW 98130071A TW I515344 B TWI515344 B TW I515344B
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Taiwan
Prior art keywords
support member
support
opening
top surface
voids
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TW098130071A
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English (en)
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TW201030203A (en
Inventor
皮耶 里維利
賈恩 路易斯 蒙奈理
喬奈斯 卡爾森
戴納 伊格里斯
沙布里 莫雷德
羅伯特A 韓森
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阿爾巴尼國際公司
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Publication of TW201030203A publication Critical patent/TW201030203A/zh
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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
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Description

工業用織物及其製造方法 參考相關申請案
本案請求美國臨時專利申請案第61/096,149號申請日2008年9月11日、美國臨時專利申請案第61/121,998號申請日2008年12月12日、美國臨時專利申請案第61/147,637號申請日2009年1月27日、美國臨時專利申請案第61/147,894號申請日2009年1月28日之優先權。
發明領域
本發明係針對循環結構,特別係針對用於非織產物製造的工業織物。特定言之,本發明係針對用於圖案化、標記化或紋路加工非織產物之製造用之支承件諸如條帶或套筒。
發明背景
非織產物之製法已知之有年。於一種方法中,纖維棉胎或料片係經以水流或水噴射處理來造成纖維彼此交纏及改良料片之物理性質諸如強度。此種利用水噴射之處理技術已知有數十年之久,可由美國專利第3,214,819、3,508,308及3,485,706號之揭示收集得。
以一般術語說明,此種方法涉及元件纖維利用加壓水噴射作用而彼此交織,加壓水噴射作用於含纖維結構上類似針,因而可重新定向纖維部分而於厚度方向形成料片。
此種技術目前已經廣泛發展且不僅係用於製造用於紡織用途稱作為「射流噴網」結構或「水針」結構,諸如特別用於醫藥及醫院領域用途諸如用於擦拭、茶包之過濾及包裹,同時也用於製造連續式介質之細小穿孔諸如紙張、硬紙板、薄膜、甚至塑膠片等,而所得物件可為規則均質,可由美國專利第3,508,308號之揭示收集,若有所需,包含由纖維重新定向所得之設計,此點對於用於美感用途為必要,如由美國專利案第3,485,706號之揭示已知。
至於「射流噴網」型或「水針」型產品,長期以來已知可藉製造材料混合物來調整產品之最終性質,例如將多種包含不同型纖維例如天然纖維、人造纖維或合成纖維之料片組合,或甚至其中纖維事先混合(「紡黏」型料片等)可摻混入非織物結構之加強物的料片。
法國專利案FR-A-2 730 246及2 734 285其分別係對應於美國專利案第5,718,022號及美國專利案第5,768,756號說明解決辦法,該等解決辦法可利用水噴射成功地處理斥水纖維或斥水纖維與其它親水纖維之混合物,或甚至完全包含天然纖維之料片。
一般而言,根據此等文件之教示,處理涉及處理由同型或不同型元件纖維所組成之基本料片,壓縮及濕潤此基本料片及然後,利用至少一排相鄰的水噴槍高壓作用於該基本料片上來交互纏結該等纖維。
為了達成此項目的,基本料片係於移動中的循環多孔載體上正向前進,基本料片於穿孔旋轉的筒形滾筒表面上攜帶,而於該滾筒內部施加部分真空。基本料片係於多孔載體與循環滾筒間機械壓縮,二者實質上係以相等速度前進。緊鄰壓縮區段下游,水簾被導引至料片上,連續通過多孔載體、已壓縮的基本料片及支承作用的多孔滾筒其吸收額外水。
藉已壓縮且已濕潤之料片接受至少一排高壓水噴射的作用之下,元件纖維連續交互纏結但仍然位於旋轉中的筒形滾筒上。大致上,黏合的進行方式係利用連續多排水噴射,其係作用於料片之同一面上或交替作用於料片之兩面上,各排內部壓力及排放的噴射流速度因各排而異,且通常為漸進改變。
要緊地需注意,由FR 2 734 285可知,穿孔輥輪可包含隨機分布的微穿孔。若有所需,於初步黏合處理後,含纖維非織結構可接受施加於反面上的第二次處理。
於製造射流噴網或水針非織產物之方法中,期望於成品上形成圖案或記號,藉此於產品上形成期望的設計。此種圖案或記號典型係使用與非織片材成形與捲取過程分開的二次處理形成,此處使用壓延輥。此等輥之價格典型昂貴,且係基於壓縮含纖維料片的某個區形成所要求之圖案或記號操作。但於非織產物上使用分開處理用來形成圖案或記號有若干缺點。首先,需要壓延輥初次高資本投資,可能因生產商的經濟考量而限制產量大小。第二,由於圖案化或記號化階段分開因而招致較高製造成本。第三,終產物將具有比要求的材料含量更高的材料含量來維持於壓延步驟壓縮後的產品尺寸。最後,二階段式加工將由於壓延期間之高加壓壓縮導致終產物之蓬鬆度減低。使用此等已知圖案化方法製造之先前技術非織產物並未具有清晰的明確界限的升高部分,因而難以看到期望的圖案。此外,先前技術壓紋非織產物之升高部分不具有形穩性,當受到應力時例如當非織物接受處理或洗衣時升高部分喪失其三度空間結構。
美國專利第5,098,764及5,244,711號揭示於更為晚近之非織料片或非織產物製法中使用支承件。支承件具有外形起伏的結構配置以及孔隙陣列。於此種方法中,起始纖維料片係置於外形起伏支承件上。帶有含纖維料片於其上之支承件係通過高壓流體典型為水噴射下方。水噴射造成纖維彼此基於該支承件之外形組態而彼此以特殊圖案交纏及糾結。
支承件中之外形結構及孔隙圖案對所得非織產物之結構具有關鍵重要性。此外,支承件必需具有足夠結構完好及結構強度來支承含纖維料片,同時流體噴射重新排列纖維將纖維以新排列糾結而提供穩定的織物。支承件於流體噴射的作用力之下不可進行任何實質上扭曲。又,支承件必需具有去除相當大量水針流體的裝置因而防止含纖維料片的「淹水」,淹水將干擾有效糾結。典型地,支承件包括排水孔隙,該等排水孔隙之尺寸須夠小來維持含纖維料片的完好,同時避免通過成形面喪失纖維。此外,支承件必需實質上不含可能干擾已纏結的非織物由其上移除的毛邊、鉤刺等不規則結構。同時,支承件必需為含纖維料片可於其上加工而不會受流體噴射的影響被洗掉。
非織物製造期間發生的一大問題為達成結構內聚,俾便對產品提供根據感興趣應用之機械特性,同時維持或賦予特定物理特性諸如蓬鬆度、手感、外觀等。
對多種非織物用於其預期的使用目的時,蓬鬆度、吸收性、強度、柔軟性、及美感外觀等性質確實相當重要。為了製造具有此等特性之非織物,經常須組成支承織物、條帶或套筒,因而其片材接觸面具有外形起伏變化。
須了解此等織物可能呈循環環圈形式,或可製作為循環形式而以輸送帶方式發揮功能或作為安裝於滾筒上的套筒。進一步須了解非織物的製造係一種以相當高速進行的連續製法。換言之,元件纖維或纖維層連續沈積於成形區段中的成形織物上,而新製造的非織料片於乾燥後連續捲繞於輥上。
發明概要
本發明提供一種改良式織物、條帶或套筒,其功能係用於置換傳統的織物條帶或套筒且協助對於其上製造之非織物賦予期望的物理特性,諸如蓬鬆度、外觀、紋路、吸收性、強度、及手感。
其它優點諸如但非限於更有效濕成形;由於不會類似織造織物中之紗交叉而捕捉元件纖維,因而比較先前技術織造織物具有改良的料片離型性;以及更容易清潔。
因此本發明之一主要目的係提供一種射流噴網或水針支承件諸如織物、條帶、或套筒,其具有一系列升高陸地區及相對應凹部之料片接觸面圖案來對於其上製造之非織物賦予紋路。
本揭示之另一面相為該結構具有空隙諸如貫穿孔來允許水或空氣中之任一者或二者的通過。
於一個實施例中,揭示一種織物結構,其係用來製造紋路加工非織物,該結構對空氣及水為可滲透性,包含該片材接觸面具有包括一系列升高的陸地區及相對應凹部之圖案適合用來對於其上製造之非織物賦予紋路,及一系列貫穿空隙其係適合允許水及空氣二者從織物表面進入表面內部。
一個實施例係有關一種支承件諸如條帶或套筒用於射流噴網法或水針法中支承與輸送聚合纖維。多種非織物於第二方法成形後經過壓延。於壓延處理過程中,一根壓延輥(或兩根)之表面上可具有圖案,該圖案係用來對該非織物賦予紋路。本發明之條帶或套筒具有優於此種分開壓延處理之非限制性優點如下:套筒為相當廉價的物項,無需固定設備的大量資本支出;圖案化可於成形過程的本身完成,免除分開額外處理的需求;可達成終產物中材料含量的減低,原因在於不會因壓延導致壓縮造成產品卡規的縮小;由於成品於任何階段皆未經壓縮,因而可以高度蓬鬆製造終產物。對於非織物滾軋貨品的製造商而言,此等方法之優點進一步導致具有下列優點的終產物:具有圖案或記號之射流噴網料片或水針料片之成本降低;隨著圖案體積合理化的大減,可製造客製化產品;高性能產物的製造,原因在於高度蓬鬆度提供較高吸收性,於消費者應用上有高度價值。
本條帶或套筒為具有滲透度於100-500cfm之範圍之循環結構,可包含任何層數諸如單層、雙層或三層。組成之聚合材料包含於聚酯、丙烯酸系或聚胺甲酸酯家族(舉例)之可擠塑性熱塑性材料或室溫、紫外光、或熱可交聯樹脂。材料係選擇確保可採用高達250巴纏結噴淋壓力之射流噴網法中仍可發揮功能。
一個實施例係有關用於製造射流噴網或水針非織產物之條帶或套筒。條帶或支承件或套筒為空氣及/或水可滲透性支承件,其係由擠塑薄膜或積層薄膜所製成,其中製作經界定的孔洞來具有所要求之空氣及/或水可滲透性。此等孔洞具有由0.01毫米至5毫米範圍之不同直徑,且於條帶表面或套筒表面有不同的進入角。孔洞形狀可為圓形、方形、卵形或任何特定形狀諸如星形。支承件表面上的孔洞可隨機設置,或依據所要求之效果而定,於某個區有特定密度或於表面上均勻分布。替代孔洞也可於支承件或條帶中切割/蝕刻線路或凹槽來形成圖案或甚至形成服務標章。支承件可以一層或多層聚合薄膜,含或未含加強物,可為織造織物或非織物製造。也可製作成積層物,介於兩層或多層聚合薄膜間有一織造層或非織層。此種加強增加條帶/套筒之機械特性及穩定性。
支承件表面可經加工來藉切割或銘刻圖案諸如蜂窩結構而形成外形起伏,及/或可使用化學塗覆層處理來用於特定應用諸如靜電散逸、防污染/污物脫離、改良耐用性等。支承件表面例如可經銘刻來形成用於圖案化應用之外形起伏。支承件可製作成套筒來安裝於滾筒(套筒)上,或製作成循環式或無接縫(藉循環式達成)條帶或支承件。此型支承件的使用比較先前技術標準織造帶,允許達成液壓能的更佳反射。如此改良於非織物中纖維的纏結,且防止纖維穿透入支承帶的孔隙/孔洞/空隙內部,結果導致纖維的損耗或難以從支承帶/支承套筒上俐落均勻地離型該非織物,如織造帶或織造支承件可能觀察得的情況。結果為:較佳纖維纏結與較少纖維拾取,結果導致較佳產物由此支承件離型或轉移至另一個位置或另一個支承件。機器側可具有機器方向(MD)紗單絲陣列積層於或部分埋設於支承帶/支承套筒來形成較高排水率。
為了更明白了解本發明、本發明之操作優勢及藉其使用所達成的特定目的,將參考隨附說明內容,其中本發明之較佳實施例係於附圖中舉例說明,附圖中相對應之組件係標示以相同的元件符號。
圖式簡單說明
後文詳細說明部分係供舉例說明之用而非意圖將本發明單獨囿限於此,結合附圖將最為明瞭,附圖中類似的元件符號表示類似的元件及部件,附圖中:第1圖為一種用於使用本發明之支承件製造非織產物之裝置之示意圖;第2圖為一種用於使用本發明之支承件製造非織產物之裝置之示意圖;第3A及3B圖為根據本發明之一個面相,具有貫穿空隙之一支承件之實例;第4A及4B圖示例顯示根據本發明之一個實施例,涉及用於製造一支承件之方法之各步驟;第5圖示例顯示根據本發明之一個面相,用於支承件產生貫穿空隙之裝置;第6圖顯示根據本發明之一個面相所製造之支承件之影像;第7圖顯示根據本發明之另一個面相所製造之支承件之影像;第8圖顯示根據本發明之一個面相所製造之支承件之頂面及底面二者之影像;第9圖顯示根據本發明之又另一面相所產生之數個貫穿空隙;第10A-C圖為根據本發明之一個面相所形成之具有分支空隙結構的支承件之剖面圖實例;第11A-E圖為根據本發明之一個面相於一支承件所形成之陸地區、相對應凹部及貫穿空隙之圖案之示意圖;第12圖為根據本發明之一個面相,已經以十字/交叉圖案銘刻之一條帶/套筒之略圖;第13A-C圖為根據本發明之一個面相於一支承件所形成之陸地區、相對應凹部及貫穿空隙之圖案之示意圖;第14A-G圖顯示根據本發明之多個實施例所組成之支承件;及第15圖為根據本發明之一個面相,支承件之透視圖。
較佳實施例之詳細說明
現在將參考附圖更完整說明本發明如後,附圖顯示本發明之較佳實施例。但本發明可以多種不同形式具體實施,不可解譯為囿限於此處列舉之說明性實施例。反而,提供此等具體實施例讓本文揭示更徹底更完整,且將完全傳遞本發明之範圍予熟諳技藝人士。
本發明提供例如用於第1圖及第2圖所示裝置之連續支承件。非織支承件之功能係置換傳統織造支承織物,且協助提供期望的紋路、手感、及蓬鬆予於該支承件上所製造之非織產物。本發明之支承件可減低非織物製造上相關聯的製造時間及成本。
如此處所述,條帶或套筒具有兩側:料片或片材接收側或接觸側,及機器側或背側。前者如此命名的原因在於其為支承件面對新形成之非織料片之該側。後者如此命名之原因在於其為支承件通過且接觸非織物製造機器上的輥或滾筒之該側。
第1圖顯示使用根據本發明之支承件用於連續製造非織產物之裝置。第1圖之裝置包括一輸送帶80,其實際上係用作為根據本發明之外形支承件。輸送帶例如如技藝界已知係以一對彼此隔開的輥輪為中心於逆時針方向連續移動。於輸送帶80上方設置一流體噴射歧管79連結多行或多組81孔口。各組有一列或多列極為細小直徑的孔口,各自直徑約為0.007吋,每吋有30個此種孔口。水於預定壓力下供給各組81孔口,且係呈極為細小的實質上柱狀非發散水流或水噴射形式從該等孔口射出。歧管裝配有壓力表88及控制閥87用來調節各行或各組孔口的流體壓力。於各行或各組孔口下方設置一抽取箱182用來移除過量水,且保持該區免於不當的淹水。欲成形為本發明織物之纖維料片83進給至外形起伏的支承件輸送帶。通過適當噴嘴184,水噴至含纖維料片來預先濕潤輸入的料片83,且當纖維通過流體噴射歧管下方時協助控制纖維。抽取槽85係位在此水噴嘴下方來去除過量水。含纖維料片係於逆時針方向通過流體噴射歧管下方。任何給定一組81孔口之操作壓力可與任何其它組81孔口之操作壓力獨立設定。但典型地最接近噴霧噴嘴184之該組81孔口係於相對低壓例如100psi操作。如此有助於輸入的料片沈降於支承件表面上。當料片係於第1圖之逆時針方向通過時,各組81孔口之操作壓力通常增高。連續各組81孔口無需於順時針方向於比其鄰近孔口更高的壓力操作。舉例言之,兩組或多組81相鄰孔口可於相等壓力操作,隨後其次相鄰之該組81孔口(於逆時針方向)可於不同壓力操作。極為典型地,於輸送帶末端於該處料片被移開的操作壓力係高於料片初次進給入輸送帶之該處之操作壓力。雖然第1圖顯示六組81孔口,但此組數並無特殊限制,而將取決於料片重量、速度、所使用的壓力、及各組中之孔洞排數等。於料片通過流體噴射歧管與抽取歧管間之後,現在已成形的非織料片通過額外抽取槽186來移除過量水。由該組81孔口下表面至含纖維料片83上表面之距離典型係於由約0.5吋至約2.0吋之範圍;以約0.75吋至約1.0吋之範圍為佳。顯然料片間隔不可太過接近歧管造成料片接觸歧管。另一方面,若孔口下表面與料片上表面之間距過大,則流體流將損耗能量,製程效率變較低。
另一種使用本發明之支承件用於製造非織織物之裝置示意顯示於第2圖。本裝置中,外形起伏的支承件為可旋轉滾筒套筒191。滾筒套筒191下方的滾筒90例如係於逆時針方向旋轉。滾筒套筒191之外表面包含期望的外形起伏支承組態。環繞滾筒部分周邊設置者為歧管89,該歧管89連結多個孔口條帶92,用來施加水或其它流體至置於彎曲板外表面上之含纖維料片193。各個孔口條帶可包含一列或多列前文所述該等類型之細小直徑孔洞或孔隙。典型地,孔隙直徑約為0.005吋至0.010吋。若有所需,每吋可有多達50孔或60孔或以上。水或其它流體被導引通過成列的孔洞。大致上如前文說明,各組孔口之壓力典型係由纖維料片通過其下方之該第一組增高至最後一組。壓力係藉適當控制閥97控制或藉壓力表98監視。滾筒連結至一集水槽94,於其上方抽取真空來協助去除水且避免該區淹水。於操作中,含纖維料片193置於水噴射歧管89前方之外形起伏的支承件上表面上,如第2圖可見。含纖維料片通過孔口條帶下方,及根據本發明成形為非織物。然後所形成的織物通過該裝置之一區段95上方,於該區段不含孔口條帶,但連續施加真空。織物被去水之後,從滾筒上移開,環繞一系列乾燥罐196來乾燥織物。
現在轉向參考支承件結構,諸如前文說明之輸送帶或套筒,支承件具有貫穿空隙外形。貫穿空隙包括幾何圖形特性,當非織產物或片材/料片例如於支承件80、191上製造時可對該非織物提供加強的片材外形起伏及蓬鬆度。本支承件之另一項優點為料片更容易從支承件離型。
此外,根據本發明組成之支承件將導致更深的「壓抑」,結果導致具有更高蓬鬆吸收性及較低密度之非織產物。須了解「貫穿空隙」一詞為「貫穿孔」的同義字,表示完全貫穿支承件諸如輸送帶或套筒之任何開口。此處所稱支承件包括但非限於工業織物諸如條帶或輸送帶,及特別用於非織物製造的套筒或筒形帶。
又另一項優點為支承帶/套筒之組成可避免習知編織機的限制及需要,原因在於貫穿空矽、凹槽、或其它圖案可設置於任何期望位置或設置成任何期望圖案,如此可改良片材/料片外觀的美感。支承帶/套筒表面可經加工俾便藉切割或銘刻圖案例如蜂窩結構來形成一圖案,及/或可使用化學塗覆處理來用於特定用途,諸如靜電散逸、耐污染/除污性、改良耐用性等。本發明之支承件的使用比較先前技術標準織造帶允許更佳的能量反射。如此改良非織產物之纖維纏結,防止纖維穿透入支承帶孔隙/孔洞/空隙內部,如於織造帶或織造支承件之觀察,如此可能導致纖維的損耗或難以乾淨俐落且均勻一致地從支承帶/套筒離型該非織物。結果為:纖維纏結更佳,及纖維拾取減少,結果導致較佳產物離型或由此支承件轉移至另一位置或另一支承件。
根據本發明之一個實施例,一種製造支承件諸如輸送帶或套筒之方法例如顯示於第4A圖及第4B圖。第3A圖及第3B圖示例顯示例如根據第4A圖及第4B圖之方法,於連續支承件104之一部分所製造之多個貫穿空隙102之平面圖。於允許流體、水及/或空氣通過之若干應用用途中,該等貫穿空隙係作為排水孔。第3A圖顯示由支承件104之頂面或片材接觸側面觀看之多個貫穿空隙102。各個貫穿空隙102具有錐形,此處各個貫穿空隙102之內表面108係從頂面106之開口110錐形傾斜直至於支承件104之底面或機器側面114(第3B圖)之開口112(第3B圖)。順著開口110之x座標方向之直徑標示為Δx1,順著開口110之y座標方向之直徑標示為Δy1。參考第3B圖,同理,順著開口112之x座標方向之直徑標示為Δx2,順著開口112之y座標方向之直徑標示為Δy2。由第3A圖及第3B圖顯然易知,於支承件104頂側106上順著開口110之x方向之直徑Δx1係大於於支承件104之底側114上順著開口112之x方向之直徑Δx2。又,於支承件104頂側106上順著開口110之y方向之直徑Δy1係大於於支承件104之底側114上順著開口112之y方向之直徑Δy2。另外,也可使用對側幾何形狀。舉例言之,於片材接觸側表面上之開口直徑可大於機器側表面上之開口直徑。
第4A圖顯示於第3A圖及第3B圖中貫穿空隙102中之一者之橫剖面圖。如前文說明,各個貫穿空隙102具有錐形,此處各個貫穿空隙102之內表面108係由頂面106之開口110向下傾斜貫穿至支承件104之底面114上之開口112。各個貫穿空隙102之錐形可由於從光源諸如二氧化碳雷射或其它雷射裝置產生之入射光輻射202之結果形成。經由施加具有適當特性(例如輸出功率、焦距、脈寬等)之雷射輻射202例如至非織支承件,由於雷射輻射穿孔支承件104之表面106、114的結果可形成貫穿空隙102。機械穿孔或衝孔也可用來產生前述貫穿空隙或開口。
如第4A圖所示,根據一個面相,雷射輻射202當衝擊時於支承件104之頂面106上形成第一升高緣或升高脊204及於支承件104之底面114上形成第二升高緣或升高脊206。升高緣204、206也可稱作為升高輪緣或升高脣。升高緣204之頂視平面圖顯示為204A。同理,升高緣206之底視平面圖顯示為206A。各個升高緣204、206之高度係於5-10微米之範圍。高度係以支承件表面與升高緣頂部間之高度差計算。例如,升高緣204之高度係測量為頂面106與升高緣204頂部208間之高度差。於多項其它優點中,升高緣諸如204及206對各個貫穿空隙或貫穿孔提供局部機械加強。又,較深的空隙結果導致所產生之非織物中較深的「壓抑」,以及例如也導致較為蓬鬆及較低密度。須注意任一種情況下,Δx1/Δx2可為1.1或以上,及Δy1/Δy2可為1.1或以上。另外,也可使用相對的幾何形狀。舉例言之,於片材接觸側表面上之空隙或開口之直徑可大於機器側表面上之空隙或開口的直徑。另外,於某些情況下或於全部情況下,Δx1/Δx2可等於1及Δy1/Δy2可等於1,藉此形成筒形貫穿空隙。此外,「脊」可於一表面上或於二表面上。
雖然於支承件形成具升高脊的貫穿空隙可使用雷射裝置達成,但預期也可採用可形成此種效果之其它裝置。可使用機械衝孔或使用壓紋然後衝孔。舉例言之,非織支承件可於表面以要求的圖案壓紋凸部及相對應凹部之圖案。然後各個凸部例如可以機械方式衝孔或雷射鑽孔。
第4B圖顯示用於支承件302形成貫穿空隙304之系統300之具體實施例。系統300可包括一雷射裝置306、一雷射驅動單元308、一雷射頭310、及機械固定件316,於其上放置支承件302。
雷射驅動單元308控制可改變雷射所產生之輸出之多項條件。例如,雷射驅動單元308允許調整來自於雷射之輸出功率及提供各項調變特性。例如,雷射可脈衝化經歷固定或連續時間週期,藉此可於特定範圍調整脈寬。
雷射頭310透過噴嘴314遞送入射光輻射312至支承件302來形成貫穿空隙304。入射光輻射312於從噴嘴314釋放之前可接觸多種光束成形組件。例如,可使用不同光透鏡設置來達成雷射頭310之噴嘴314與支承件302之頂面間期望的工作距離(亦即DW)。又,可使用分光鏡、隔離器、偏光鏡、光隙及/或其它組件來改變從雷射頭310輸出之入射光輻射312之相關聯的屬性。例如,點大小及點形狀之控制可能為一種期望的屬性。實際上,入射光輻射於支承件302鑽孔(或切割)貫穿孔或貫穿空隙。相同裝置也可用來銘刻、或蝕刻於表面之凹槽圖案,包括連續或非連續、筆直、浪形、或正弦形狀。也可蝕刻服務標章。
支承件302可安裝於或置於適當裝置302上(例如如第5圖所示),該裝置320具有適當電動組件、軌道、輥輪等俾便協助於特定x-y座標方向之支承件302及/或雷射頭310之移動。經由控制支承件302順著x-y座標方向之移動,可根據不同的期望圖案而於支承件上形成貫穿空隙、凹槽、圖案、服務標章等外形。除了於x-y方向移動外,經由安裝雷射頭310於電動平台上其提供沿z座標方向之移動可改變工作距離DW。可設計一種系統藉此讓雷射頭以三度空間移動同時支承件維持固定。另外,雷射頭可以寬度「x」或CD(交叉機器方向)之方式橫過跨越支承件,同時支承件係於機器方向(MD)或「y」軸移動。也建立一種系統,此處支承件相對於以機械方式固定之雷射頭係於三度空間移動。
第5圖顯示根據本發明之一個面相,用於輸送帶或套筒產生貫穿空隙之裝置320之具體實施例。須了解第5圖所示支承件322為支承件322全長之相對較短部分。當支承件322為無端循環式時,最實際係環繞一對輥安裝,未顯示於附圖,但為非織物製造業之熟諳技藝人士最為熟知。於此種情況下,裝置320可設置於兩個行程中之一者,最方便為二輥間支承件322之頂行程。但無論是否為循環式,加工過程中支承件322較佳係置於適當拉力程度下。此外為了防止鬆垂,支承件322當移動通過裝置320時可藉水平支承件由下方支撐。
現在特別參考第5圖,當實施本發明方法時,若支承件322指示為於向上方向通過裝置320,則裝置320包含一系列數個站,當製造輸送帶或套筒時,支承件322可遞增通過該等站。
前述實施例所述輸送帶或套筒屬於根據此處所述系統及方法製造之一個支承件實例。於輸送帶或套筒所形成的所述貫穿空隙之期望特性將可提升於噴流射網或水針機器上所製造之非織產物相關聯的一項或多項特性。
第6圖顯示根據本發明之一個面相所製造之支承件之片材接觸側及機器側之影像。影像602顯示由支承件頂面或片材接觸面觀察得支承件之貫穿空隙。影像604顯示由支承件底面(亦即機器側)觀察之貫穿空隙。貫穿空隙之標準係達成於片材接觸側表面上有較高開放面積之圓形貫穿空隙。如影像602及604所見,較大開口(第6圖)係位於片材接觸側表面上,相對於機器側表面上之該等開口(第6圖)。貫穿空隙可使用二氧化碳雷射鑽孔,該雷射可經程式規劃或操作來經歷預先界定的時間週期產生具有預先界定之脈寬之光脈衝。
第7圖顯示根據本發明之一個面相所製造之支承件之影像。影像702顯示由支承件頂面(亦即片材接觸側)觀察得之支承件中之貫穿空隙。影像704顯示由支承件之底面(亦即機器側)觀察得之貫穿空隙。此種情況下,貫穿空隙之標準係達成相對於支承件之相對側或機器側表面,於片材接觸側表面上有較高開放面積之卵形貫穿空隙。相對於底面或機器側表面之開口(第7圖),影像702及704顯示於頂面或片材接觸側表面上之較大開口(第7圖)。貫穿空隙可使用二氧化碳雷射鑽孔,該雷射可經程式規劃或操作來經歷預先界定的時間週期產生具有預先界定之脈寬之光脈衝。如第7圖所示,比較第6圖所示貫穿空隙,貫穿空隙形狀為實質上卵形。不同因素及/或參數(例如鑽孔速度)可促成與支承件之片材接觸側及機器側相對應之貫穿空隙形狀及貫穿空隙開放面積(%)間之差。
以類似方式,第8圖顯示貫穿空隙之片材接觸側表面902及機器側表面904二者之影像,此處貫穿空隙之頂開口及底開口形狀實質上為矩形。同理,根據另一個具體實施例,第9圖顯示根據本發明之又另一個面相,由產生貫穿空隙之實驗性試驗所得若干空隙圖案。於若干情況下,可能期望有較大尺寸之貫穿空隙。舉例言之,第9圖所示影像1010及1012係與基於不同操作參數諸如但非限於鑽孔速度、抖動(wobulatoin)頻率、抖動率(wobulatoin index)、雷射輸出功率等所產生之貫穿空隙相對應。如此,對影像1010相對應之貫穿空隙之表面開口1014之形狀為實質上圓形,而對影像1012相關聯之貫穿空隙之表面開口1016之形狀為實質上矩形。影響表面開口形狀之一項因素為作為入射輻射之雷射從一個位置移動至下個位置來於支承件產生隨後一個貫穿空隙之掃描速度(亦即毫米/秒)。
於另一個實施例中,支承件結構包含片材接觸側表面,其具有適合提供紋路予非織產物之分支空隙結構。第10A圖顯示具有分支空隙或開口11之支承件結構10表面之剖面圖,該結構包含於片材接觸側12上之多個小孔10a及10b,小孔為傾斜因此於該表面的對側14合併成為較大空隙10c。如圖所示,分支開口11也可成形為鄰近小孔10a及10b周邊之升高緣或升高輪緣16。雖然未顯示於第10A圖,升高緣或升高輪緣也可形成鄰近於支承件結構之對側14上的較大空隙10c周邊。雖然孔洞10a及10b顯示為合併成為空隙10c,但可預期有三孔或更多孔例如10a、10b、10c、10d合併成為較大空隙10e之分支空隙結構,諸如第10B-C圖所示,藉此升高緣可形成於鄰近較小的片材接觸側孔及較大的相對側空隙中之任一者或二者。空隙可為筆直(筒形)或錐形。舉例言之,不同圖案之錐形孔可設計成該等孔為較大且良好分布於一側上,諸如料片接觸面上,而於相對的機器側表面上之空隙可實質上順著MD校準,藉此提供例如較高排水率。此分支空隙可如所示形成於結構內或形成於積層基質。空隙可藉多種鑽孔方法或其組合包括雷射鑽孔、機械衝孔、及壓紋中之任一者形成。例如,經由將雷射鑽孔組合壓紋或雷射穿孔組合雷射蝕刻/銘刻等可形成空隙。
此種結構允許於支承件結構形成大量小孔,同時也允許支承件於機器方向MD之低度長期伸長率,同時允許於交叉機器方向CD有高彎曲挺度。此種結構也適合用於例如允許於支承件結構之孔洞比基質厚度更小而未導致因污染造成孔洞的堵塞。
於頂側表面上之較大直徑空隙及於相對的機器側表面上之較小直徑空隙例如可以期望的圖案捕捉、成形、及/或定向置於支承件結構上的纖維,且形成高度蓬鬆非織產物。
第11A圖至第11E圖為例如藉銘刻、或切割所形成之陸地區及相對應之凹部之圖案,此處影線區表示陸地區62。第11D圖顯示於陸地區中之空隙或孔洞66。表面圖案適合為均勻且重複性、不均勻而重複性、以及不均勻且隨機。表面圖案之陸地區62包括離散島62或連續區(圖中未顯示),凹部64包括離散島(圖中未顯示)或連續區64。島之形狀可為圓形、橢圓形、正方形、矩形、梯形、五角形、六角形、菱形、截頭錐形、三角形、或其它多角形。於第11A圖,圖案具有每平方厘米約三個陸地區62。第11B圖及第4D圖中,圖案包括矩形的離散陸地區62約為2.0毫米x1.0毫米及將離散陸地區62之方向性欄63a、63b隔開約1.0毫米之連續凹部64。陸地區62之交替欄63a可藉約1.0毫米之凹部64a隔開。
於第11C圖中,圖案包括矩形的離散陸地區62約為0.5毫米x1.0毫米及將離散陸地區62之方向性欄63a、63b隔開約0.5毫米之連續凹部64a。陸地區62之交替欄63a可藉約0.5毫米之凹部64a隔開。第11E圖顯示一種圖案包括連續陸地區62之對角線交叉影線圖案及離散方形或菱形凹部64,此處凹部及陸地區各自寬約1毫米,及離散凹部64約為1.0平方毫米。
第12圖為根據本發明之一個實施例所製造之輸送帶/套筒70之略圖。如圖所示,輸送帶/套筒70已經銘刻為十字交叉圖案,使得成對空隙76係位於凹部71,此處其於某個預定位置十字交叉。藉此方式,空隙76係順著大致上MD線定向。空隙76之位置藉由當流體(空氣或水或二者)從紋路加工表面通過空隙76貫穿非織物結構的其餘部分時,經由造成局部纖維的重新定向,也促成結果所得非織產物的紋理。
第13A圖至第13C圖顯示陸地82及凹部84之不同圖案,具有呈期望的圖案通過部分陸地之貫穿孔86。連續陸地82或凹部84相對於MD可為筆直,相對於CD為筆直;相對於MD或CD為夾角,或於相對於MD或CD夾角的兩個分開集合。兩個集合之角度可為相同角或不同角。連續陸地82或凹部84可為彎曲或筆直。又連續陸地82或凹部84可為彎曲及筆直二者;或連續陸地82或凹部84可具有彎曲或筆直的截面。凹部可藉壓紋、切割、或銘刻中之任一者形成。如第13A圖所示,於CD及MD之每第三個圖案之該圖案具有每平方厘米約4個孔86,而第13B圖之該圖案於CD之每第二個圖案及於MD之每第二個圖案每平方厘米具有約7個孔86,及第13C圖顯示每平方厘米約12個孔86。於第13A圖至第13C圖之各圖中,空隙86顯示於陸地區82,其為離散島且為矩形。
須注意如前文說明通常用於製造非織物之輸送帶除了因紗編織圖案及紐結所得結構之外不會對該輸送帶上所製造的非織產物賦予顯著結構。此種結構限於可用來編織織物之紗的實際尺寸。「結構」係有關比較尋常非織物製法以及由於尋常變化所出現之變化更大的非織物基重及/或密度之變化。但「結構」一詞也係指含纖維非織料片中之紋理或圖案或設計。此種「結構化」非織產物通常柔軟且蓬鬆具有高度吸收性。結構化非織物比未經結構化非織產物可更柔軟、更具吸收性且有較低基重。根據本發明之輸送帶或套筒提供所要求的結構、基重、密度、紋理、感覺及/或圖案予其上所製造之非織產物。
如第14A圖至第14G圖所示,於又另一個實施例中,輸送帶或套筒可由擠塑薄膜或積層薄膜91製成,其中製作經界定之孔洞96俾便達成期望的空氣滲透度。支承結構(圖中未顯示)可附接至一或二薄膜91a、91b之一側或兩側。此等孔洞96可具有由約0.2毫米至約5.0毫米之不同直徑,孔洞96可組成為相對於支承件平面於不同夾角。孔洞96之形狀可為圓形、正方形、卵形或任何給定形狀諸如星形。
如第14A圖所示,支承件表面上之孔洞96之位置可為均勻分布或隨機分布。例如依據所製造之非織產物之要求而定,孔洞96也可分布成於支承件之一給定區具有特定密度,或均勻分布於全體表面上。孔洞96也可呈線狀,被切割入或銘刻入支承件來形成圖案,例如服務標章。支承件可製造成一層或多層聚合物薄膜91a、91b,含或未含纖維加強物(織造與否)。支承件結構也可製作成「夾心」組件,有織造層或非織層積層於多層聚合物膜間,如同此處已經說明之任一種基質的情況。此種加強可提高織物結構之機械穩定性。
支承件表面可經銘刻來形成外形起伏,諸如蜂窩或其它圖案,或可進一步處理來用於特定用途諸如靜電散逸或耐污染。支承件表面也可經銘刻來形成用於不同圖案化用途以及服務標章之外形。
如第14F圖所示,使用此型支承件比較標準織造帶,當用於水噴射法(水針法)時可更佳反射能量。該結構例如導致改良纖維的纏結以及防止纖維的穿透而被捕捉於例如織造結構的間隙或紗交叉點。此種較佳纖維纏結及減少纖維拾取結果為例如於製程中由本支承件輸送帶之非織產物離型為更佳或轉運至下一個位置為更佳。
如第14G圖所示,織物結構之機器側也可製造有表面外形、凹槽、或額外單絲93俾便形成較高排水性。
第13圖為根據本發明之一個具體實施例所形成之連續支承件或輸送帶或套筒1110之透視圖。根據本實施例,帶或套筒1110具有一內表面1112及一外表面1114,且係使用前文討論之若干方法及系統中之一者所製造之介質條帶1116經由螺旋捲繞該介質條帶所形成。介質條帶1116可螺旋捲繞成多個相鄰且彼此鄰接的匝,該等匝係以帶或套筒1110之組成的螺旋樣式實質上於縱向環繞帶或套筒1110之長度。
可製造帶或套筒1110之實例方法係說明於美國臨時專利申請案第61/121,998號申請日2008年12月12日,及美國臨時專利申請案第61/147,637號申請日2009年1月27日,二案全文內容係以引用方式併入此處。介質條帶1116例如可為如此處所述之絲帶或工業捆紮材料。由於帶1110係藉介質條帶1116之螺旋捲繞製造而非為織造支承件,帶或套筒1110之外表面1112為平滑且連續,以及不含紐結,可免除織造支承材料之表面變成完美地光滑。較佳,介質條帶為熱塑性材料之條帶諸如薄膜、箔、或捆紮條,例如可由任一種聚合材料較佳為聚酯(PET)製成。但也可使用其它材料諸如其它聚酯類(例如聚伸乙基對萘甲酸酯(PEN))或聚伸苯基硫化物(PPS)。也可使用聚醯胺類或聚醚醚酮類(PEEK)。相對於兩層或多層之積層物,各層可為相同或由不同材料製成。薄膜、箔、或捆紮條可於MD及CD二方向以足夠模數及穩定性單軸定向或雙軸定向來以期望方式發揮功能。此外,薄膜、箔、或捆紮條可含有於MD或CD、或MD及CD二者或任何隨機方向之加強纖維。加強纖維可透過擠塑法或推塑法含括,此處纖維可連同形成薄膜或箔之材料一起擠塑或推塑。加強纖維可由高模數材料製造例如阿拉密類(aramids)包括但非限於凱芙樂(Kevlar)及諾米士(Nomex),且可提供額外強度、模數、抗撕性及/或抗裂性予該薄膜或箔。
介質條帶例如也可經塗覆來加強介質條帶之片材離型性及/或結構完好性。然後前述結構可以至目前為止已經說明之方式穿孔與製作圖案。
本發明之支承件包含一或多層額外層於基本基材頂上或下方,單純係提供功能而非加強。舉例言之,所使用之額外層可為織造材料或非織材料、MD及/或CD紗陣列、螺旋捲繞織造材料條帶中之任一者,其寬度係小於支承件、含纖維料片、薄膜或其組合之寬度,且可使用熟諳技藝人士中之一者已知之任一種適當技術附接至基質。藉熱黏合及化學黏合積層只是其中數個實例。
使用如此處所述之支承件,導致比較使用先前技術織物所得之非織產物有更高卡規及更低密度之非織產物。高卡規及低密度結果導致具有較高吸收性之較柔軟產物,兩項特性皆極為合乎所需。
本發明之支承件或帶或套筒可具有100-500cfm之範圍之空氣滲透率。若有所需可添加額外層。支承件可由如前文討論之任一種聚合材料製成,諸如可擠塑之熱塑材料或室溫、紫外光或熱可交聯樹脂、屬於聚酯、丙烯酸系或聚胺甲酸酯家族。材料係經選擇因而確保於射流噴網法可發揮功能,此處採用高達250巴之纏結噴淋壓力。
雖然於前述實施例中,說明孔洞或貫穿空隙之較佳直徑,但孔洞或貫穿空隙可具有由0.01毫米至5毫米之不同直徑且有進入帶表面或套筒表面之不同進入角。孔洞形狀可為圓形、正方形、卵形或任何特定形狀諸如星形。依據期望效果而定,輸送帶表面上之孔洞可隨機定位或於某個區有特定密度或均勻分布於表面上。除了孔洞外,也可銘刻、或蝕刻線條、凹槽或服務標章至支承件。支承件也可製作成積層物,有一織造層或非織層例如積層於兩層或更多層聚合膜間。加強物提高終產物之機械特性及穩定性。
支承件表面可使用化學塗覆層處理用於達成特定用途,諸如靜電散逸、耐污染/污物脫離、改良耐用性等。使用此型支承件比較標準織造帶允許達成更佳液壓能的反射。如此改良非織物中纖維的纏結且防止纖維穿透入支承帶孔隙/孔洞/空隙內部,如同於織造帶或輸送帶觀察得,如此可能導致纖維的損耗或難以從支承帶/套筒乾淨俐落地且均勻地離型非織物。結果為:較佳纖維纏結及較少纖維拾取,結果導致較佳產物離型或產物由此輸送帶較佳轉移至另一位置或另一輸送帶。支承件之機器側可設有表面外形起伏或凹槽,或可與單絲積層來形成高度排水。
最終結果為改良型帶或套筒,其可發揮替代傳統織造帶或套筒之功能,及對於其上製造之非織產物賦予期望的物理特性諸如蓬鬆度、外觀、紋理、吸收性、強度、及手感。
雖然於此處已經詳細說明本發明之較佳實施例及其修改例,但須了解本發明並非囿限於此等精確實施例及修改例,可未悖離如隨附之申請專利範圍界定之本發明之精髓及範圍而由熟諳技藝人士執行其它修改及變化。
10...支承件結構
10a-e...孔洞或空隙
11...分支空隙或開口
12...片材接觸側
14...相對側
16...升高緣或輪緣
62...陸地區
63a、63b...方向性欄
64...連續區、凹部
64a...連續凹部
66...空隙或孔洞
70...帶/套筒
71...凹部
76...空隙
79...流體射出歧管
80...輸送帶、支承件
81...成行或成組孔口
82...陸地
83...纖維料片
84...凹部
85...抽取槽
86...貫穿孔、空隙
87...控制閥
88...壓力表
89...歧管、水射出歧管
90...滾筒
91...擠塑膜或積層膜
91a、91b...聚合物膜、薄膜
92...孔口條帶
93...額外單絲
94...集水槽
95...區段
96...經界定之孔
97...控制閥
98...壓力表
102...空隙
104...支承件
106...頂面或片材接觸側表面、頂側
108...內表面
110...開口
112...開口
114...底側
182...抽取箱
184...噴嘴
186...額外抽取槽
191...可旋轉滾筒套筒、支承件
193...含纖維料片
196...乾燥罐
202...入射光輻射、雷射輻射
204...第一升高緣或脊
204A...升高緣頂視平面圖
206...第二升高緣或脊
206A...升高緣底視平面圖
208...頂部
300...系統
302...支承件
304...空隙
306...雷射裝置
308...雷射驅動單元
310...雷射頭
312...入射光輻射
314...噴嘴
316...機械固定件
320...裝置
322...支承件
602...影像
604...影像
702...影像
704...影像
902...片材接觸側表面
904...機器側表面
1010...影像
1012...影像
1014...表面開口
1016...表面開口
1110...支承件或帶或套筒
1112...內表面
1114...外表面
1116...介質條帶
第1圖為一種用於使用本發明之支承件製造非織產物之裝置之示意圖;
第2圖為一種用於使用本發明之支承件製造非織產物之裝置之示意圖;
第3A及3B圖為根據本發明之一個面相,具有貫穿空隙之一支承件之實例;
第4A及4B圖示例顯示根據本發明之一個實施例,涉及用於製造一支承件之方法之各步驟;
第5圖示例顯示根據本發明之一個面相,用於支承件產生貫穿空隙之裝置;
第6圖顯示根據本發明之一個面相所製造之支承件之影像;
第7圖顯示根據本發明之另一個面相所製造之支承件之影像;
第8圖顯示根據本發明之一個面相所製造之支承件之頂面及底面二者之影像;
第9圖顯示根據本發明之又另一面相所產生之數個貫穿空隙;
第10A-C圖為根據本發明之一個面相所形成之具有分支空隙結構的支承件之剖面圖實例;
第11A-E圖為根據本發明之一個面相於一支承件所形成之陸地區、相對應凹部及貫穿空隙之圖案之示意圖;
第12圖為根據本發明之一個面相,已經以十字/交叉圖案銘刻之一條帶/套筒之略圖;
第13A-C圖為根據本發明之一個面相於一支承件所形成之陸地區、相對應凹部及貫穿空隙之圖案之示意圖;
第14A-G圖顯示根據本發明之多個實施例所組成之支承件;及
第15圖為根據本發明之一個面相,支承件之透視圖。
79...流體射出歧管
80...輸送帶
81...成行或成組孔口
83...纖維料片
85...抽取槽
87...控制閥
88...壓力表
182...抽取箱
184...噴嘴
186...額外抽取槽

Claims (46)

  1. 一種用於射流噴網法或水針法之連續非織支承件,該支承件包含:多個貫穿空隙,該等貫穿空隙各自包含:與該支承件之一頂面相關聯之一第一開口;與該支承件之一底面相關聯之一第二開口,其中該頂面為片材接觸側表面且該底面為該支承件之機器側;與該第一開口及第二開口中之至少一者之周邊相鄰的至少一個升高緣,其中該升高緣形成一連續升高輪緣環繞該開口。
  2. 如申請專利範圍第1項之支承件,其中該等多個貫穿空隙各自包括一實質上錐形或筒形內表面。
  3. 如申請專利範圍第1項之支承件,其中該第一升高緣及/或該第二升高緣係在高於該頂面約為5微米至10微米之高度。
  4. 如申請專利範圍第1項之支承件,其中該等貫穿空隙係形成於構成該支承件之一層或多層之一介質條帶。
  5. 如申請專利範圍第4項之支承件,其中該介質條帶為薄膜、箔、或工業捆紮材料。
  6. 如申請專利範圍第5項之支承件,其中該薄膜、箔、或捆紮材料包含於機器方向(MD)、交叉機器方向(CD)、或MD及CD、或隨機方向之加強纖維。
  7. 如申請專利範圍第1項之支承件,其中該支承件之頂面係經塗覆來提升片材離型性、靜電散逸、污染/污物脫 離、耐用性及/或結構完好性。
  8. 如申請專利範圍第4項之支承件,其中該介質條帶係經螺旋捲繞來製造該支承件之期望長度及寬度。
  9. 如申請專利範圍第1項之支承件,其中該支承件具有於100-500cfm之範圍之空氣滲透度。
  10. 如申請專利範圍第1項之支承件,其中該支承件為一循環帶、製作成循環式無接縫帶或套筒。
  11. 如申請專利範圍第1項之支承件,其中該第一開口及第二開口具有於0.01毫米至5毫米之範圍之直徑。
  12. 如申請專利範圍第1項之支承件,進一步包含多個陸地區及相對應之凹部。
  13. 如申請專利範圍第12項之支承件,其中該等多個貫穿空隙係形成於該支承件頂面上之該等多個陸地區上。
  14. 如申請專利範圍第12項之支承件,其中該等多個貫穿空隙係形成於該支承件頂面上之凹部內。
  15. 如申請專利範圍第1項之支承件,進一步包含多個凹槽來形成用於製作圖案之應用的外形起伏圖案。
  16. 如申請專利範圍第15項之支承件,其中該等凹槽為連續或非連續。
  17. 如申請專利範圍第1項之支承件,其中該支承件具有一分支空隙結構,其中於該頂面上之多個貫穿空隙接合而於該支承件之底面上形成一較大的空隙。
  18. 如申請專利範圍第1項之支承件,其中該支承件為一積層物,具有一織造層或非織層積層於多數聚合物薄膜、 箔、或捆紮材料間。
  19. 如申請專利範圍第1項之支承件,其中於該頂面上及/或該底面上之該等貫穿空隙為卵形、圓形、實質上矩形、或星形。
  20. 如申請專利範圍第1項之支承件,其中該等貫穿空隙係經由雷射鑽孔、機械衝孔、壓紋、蝕刻/銘刻、或其組合製造。
  21. 如申請專利範圍第1項之支承件,其中該支承件為一積層物,具有多數單絲附接至該支承件之機器側。
  22. 如申請專利範圍第1項之支承件,其中該支承件頂面及/或底面係經製作圖案或經紋路加工。
  23. 一種形成用於射流噴網法或水針法之一連續非織支承件之方法,該方法包含下列步驟:製造與該支承件之頂面相關聯之一第一開口;製造與該支承件之底面相關聯之一第二開口,其中該頂面為片材接觸側表面且該底面為該支承件之機器側;及製造與該第一開口及第二開口中之至少一者周邊相鄰之至少一個升高緣,其中該升高緣形成一連續升高輪緣環繞該開口。
  24. 如申請專利範圍第23項之方法,其中該等多個貫穿空隙各自包括一實質上錐形或筒形內表面。
  25. 如申請專利範圍第23項之方法,其中該第一升高緣及/或該第二升高緣係在高於該頂面約為5微米至10微米之 高度。
  26. 如申請專利範圍第23項之方法,其中該等貫穿空隙係形成於構成該支承件之一層或多層之一介質條帶。
  27. 如申請專利範圍第26項之方法,其中該介質條帶為薄膜、箔、或工業捆紮材料。
  28. 如申請專利範圍第27項之方法,其中該薄膜、箔、或捆紮材料包含於MD、CD、或MD及CD、或隨機方向之加強纖維。
  29. 如申請專利範圍第23項之方法,進一步包含下述步驟:使用一化學品塗覆該頂面來加強片材離型性、靜電散逸、污染/污物脫離、耐用性及/或結構完好性。
  30. 如申請專利範圍第26項之方法,其中該介質條帶係經螺旋捲繞來製造該支承件之期望長度及寬度。
  31. 如申請專利範圍第23項之方法,其中該支承件具有於100-500cfm之範圍之空氣滲透度。
  32. 如申請專利範圍第23項之方法,其中該支承件為一循環帶、製作成循環式無接縫帶或套筒。
  33. 如申請專利範圍第23項之方法,其中該第一開口及第二開口具有於0.01毫米至5毫米之範圍之直徑。
  34. 如申請專利範圍第23項之方法,進一步包含下述步驟:形成多個陸地區及相對應之凹部。
  35. 如申請專利範圍第34項之方法,其中該等多個貫穿空隙係形成於該支承件頂面上之該等多個陸地區上。
  36. 如申請專利範圍第34項之方法,其中該等多個貫穿空隙 係形成於該支承件頂面上之凹部內。
  37. 如申請專利範圍第23項之方法,進一步包含下述步驟:形成多個凹槽來形成用於製作圖案用途之一外形起伏圖案。
  38. 如申請專利範圍第37項之方法,其中該等凹槽為連續或非連續。
  39. 如申請專利範圍第23項之方法,其中該支承件具有一分支空隙結構,其中於該頂面上之多個貫穿空隙接合而於該支承件之底面上形成一較大的空隙。
  40. 如申請專利範圍第23項之方法,其中該支承件為一積層物,具有一織造層或非織層積層於多數聚合物薄膜、箔、或捆紮材料間。
  41. 如申請專利範圍第23項之方法,其中於該頂面上及/或該底面上之該等貫穿空隙為卵形、圓形、實質上矩形、或星形。
  42. 如申請專利範圍第23項之方法,其中該等貫穿空隙係經由雷射鑽孔、機械衝孔、壓紋、蝕刻/銘刻、或其組合製造。
  43. 如申請專利範圍第23項之方法,其中該支承件為一積層物,具有多數單絲附接至該支承件之機器側。
  44. 如申請專利範圍第23項之方法,其中該支承件頂面及/或底面係經製作圖案或經紋路加工。
  45. 一種用於射流噴網法或水針法之連續非織支承件,該支承件包含: 於其片材接觸側上之多個穿孔、陸地區、凹部、及/或凹槽,形成用於製作圖案用途之一外形起伏圖案,其中該支承件對空氣、流體及/或水為可滲透性;及與該第一開口及第二開口中之至少一者之周邊相鄰的至少一個升高緣,其中該升高緣形成一連續升高輪緣環繞該開口。
  46. 如申請專利範圍第45項之支承件,其中該支承件頂面及/或底面係經製作圖案或經紋路加工。
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CA2736770C (en) 2017-03-28
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EP2334860A1 (en) 2011-06-22
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CN102264970A (zh) 2011-11-30
MX2011002621A (es) 2011-05-25
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US20120021171A1 (en) 2012-01-26
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