TW200530043A - Self-levelling under-packing for printing presses - Google Patents

Self-levelling under-packing for printing presses Download PDF

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Publication number
TW200530043A
TW200530043A TW94100977A TW94100977A TW200530043A TW 200530043 A TW200530043 A TW 200530043A TW 94100977 A TW94100977 A TW 94100977A TW 94100977 A TW94100977 A TW 94100977A TW 200530043 A TW200530043 A TW 200530043A
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polyester
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Acobas Roberto Levi
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Printgraph Waterless S R L
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    • 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
    • B32B25/14Layered products comprising a layer of natural or synthetic rubber comprising synthetic rubber copolymers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F30/00Devices for attaching coverings or make-ready devices; Guiding devices for coverings
    • 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
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/36Layered products comprising a layer of synthetic resin comprising polyesters
    • 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
    • B32B27/00Layered products comprising a layer of synthetic resin
    • B32B27/40Layered products comprising a layer of synthetic resin comprising polyurethanes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41FPRINTING MACHINES OR PRESSES
    • B41F30/00Devices for attaching coverings or make-ready devices; Guiding devices for coverings
    • B41F30/06Devices for attaching coverings or make-ready devices; Guiding devices for coverings attaching of endless or like continuously-fed coverings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41NPRINTING PLATES OR FOILS; MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING, INKING, DAMPING, OR THE LIKE; PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM
    • B41N10/00Blankets or like coverings; Coverings for wipers for intaglio printing
    • 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
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/30Properties of the layers or laminate having particular thermal properties
    • B32B2307/306Resistant to heat
    • B32B2307/3065Flame resistant or retardant, fire resistant or retardant
    • 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
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/50Properties of the layers or laminate having particular mechanical properties
    • B32B2307/51Elastic
    • 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
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/70Other properties
    • B32B2307/714Inert, i.e. inert to chemical degradation, corrosion
    • 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
    • B32B2307/00Properties of the layers or laminate
    • B32B2307/70Other properties
    • B32B2307/75Printability
    • 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
    • Y10T428/14Layer or component removable to expose adhesive
    • 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
    • Y10T428/14Layer or component removable to expose adhesive
    • Y10T428/1452Polymer derived only from ethylenically unsaturated monomer
    • 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
    • Y10T428/14Layer or component removable to expose adhesive
    • Y10T428/1486Ornamental, decorative, pattern, or indicia
    • 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.]
    • Y10T428/24777Edge feature
    • 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.]
    • Y10T428/24777Edge feature
    • Y10T428/24793Comprising discontinuous or differential impregnation or bond
    • 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
    • Y10T428/28Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • 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
    • Y10T428/28Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2848Three or more layers
    • 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
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31551Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, 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
    • Y10T428/31504Composite [nonstructural laminate]
    • Y10T428/31786Of polyester [e.g., alkyd, etc.]

Landscapes

  • Laminated Bodies (AREA)
  • Printing Plates And Materials Therefor (AREA)
  • Printing Methods (AREA)
  • Supply, Installation And Extraction Of Printed Sheets Or Plates (AREA)

Description

200530043 九、發明說明: 【發明所屬之技術領域】 本發明係有關印刷壓平機之内襯,特別係用於平版印 刷。 【先前技術】
特別(但非排它性)敘述有關平版印刷壓平機,基本上包 含三個工作缸:板缸、覆蓋有以橡膠為主之織物之氈缸 、及壓印缸。於氈缸之覆蓋層下方,氈缸包含傳統内襯, 該内襯係由下列形成:個別可去除(不可壓縮)之規格紙張 來配合工作缸之工作直徑,以及通常由可彈性壓縮之聚丁 二烯製成之分開内氈。 為了達成水平目的,已知於印刷壓平機區段也使用在其 一面塗覆有黏著劑之聚酯薄膜作為内襯。 使用紙及聚酯之缺點為二者皆為剛性(因而無法適當自 動水平),前者也非阻燃性。由本案申請人之另一專利案(歐 洲專利1,3 2 3 , 5 2 7 ),已知使用一系列藉已知感壓黏著劑接 合在一起之薄片(紙張或聚胺基曱酸酯片)作為内襯,藉已 知感壓黏著劑接合讓個別薄片可被去除來調整(經橡膠塗 覆之織物製成之)内襯配合所需厚度。 【發明内容】 本發明之一目的係提供可滿足目前業界只能部分滿足 之一大系列需求之印刷壓平機用之内襯;精確言之,本發 明之内襯可滿足下列需求:環保、阻燃、對溶劑有抗性以 及對機械應力有抗性、絕佳切削性、工作壽命長、用途相 當多樣化、可絕佳配合工作缸及彈性、印刷點之結構幾何 5 312XP/發明說明書(補件)/94-04/94100977 200530043 良好、絲網展塗均勻度相當高、印刷穩定性佳。 此等及其它目的由後文詳細說明將更為彰顯,本發明之 目的可經由根據隨附之申請專利範圍教示之印刷壓平機用 之内襯來達成。 由後文若干較佳具體例之詳細說明將更可更了解本發 明,後文詳細說明為非限制性範例,較佳具體例係以實施 例形式基於圖1至圖3示意圖說明,各圖顯示本發明之内 襯經不同觀點所見之不同區段。
【實施方式】 本發明之内襯(概略標示為1 )通常係由複合物組成,該 複合物包含一非彈性部分(為求簡明定義為剛性),標示為 2,非彈性部分2係由一以高度透明聚酯(P E S )為主之薄膜 製成,聚酯(PES)例如為透明抗牛頓聚酯,(「抗牛頓」一 詞表示該聚酯經物理處理略為粗化來輔助黏合至其它層) ,例如美國 Bensale in Pennsylvania 之 P0LICR0M Inc.製 造及日本Tor ay製造之聚酯;以及包含一以聚胺基曱酸酯 及/或熱塑性聚胺基曱酸酯為主之彈性體蓋層3置於P E S 薄膜一側上所組成(例如已知美國N 0 V E 0 N I n c .之商品名
Estane 54660 及 58271) 〇 於聚酯薄膜之帶有彈性體蓋層之對側,複合物可有一或 多黏著劑長條,或完全以黏著劑塗覆,該黏著劑係使用已 知型別(感壓)可輔助附著與卸下之產物。為了黏著至工作 缸之金屬面或黏著至「金屬鼓」表面,如前文已述,黏著 劑將涉及全表面問題。黏著劑於圖1概略以4表示。 複合物可經由已知製造複合薄膜之覆蓋方法獲得,複合 6 12XP/發明說明書(補件)/94-04/94 ] 00977 200530043 物例如可藉刀式展塗法、藉壓延法、藉共同擠塑法、或藉 壓延與擠塑之組合方法獲得。 施用之彈性體厚度為最小2 0微米至1 0 0 0微米(對各層 之厚度而言,當有多於一層以不可分離式共同接合之複合 物之情況下,至多為三層)。 以聚酯為主之薄膜厚度為4 0 - 1 0 0微米(一側完全以黏著 劑塗覆,黏著劑層厚度不大於5微米),以及5 0 - 3 5 0微米(當 不含黏著劑塗層時),或沿邊緣長條有部分黏著劑塗覆。
〈實施例1 > 於一面完全經黏著劑塗覆之厚度4 0微米之以聚酯為主 之薄膜(藉可去除式經矽塗覆薄膜保護)於其無黏著劑該面 上藉已知方式(刀式展塗法)以1 0 0微米厚度以高固體聚胺 基曱酸酯為主之彈性體於D M F (二曱基甲醯胺)溶劑覆蓋。 黏著劑係屬於已知為感壓附著劑之可附再黏貼型黏著 劑。
特別,聚胺基曱酸酯之化學/物理特性如後: 蕭 爾 硬 度 A 75 -95 D I N 5 3 5 0 5 密 度 克/ 立 方 厘 米 1 . 10- 1 · 25 D I N 5 3 4 7 9 週 期 性 壓 縮 % 6 0 %可 壓 縮 DI N 5 3 5 1 7 彈 性 % 30 -40 DI N 5 3 5 1 2 耐 溶 劑 性 耐 性 該 試 驗 包 含 於 彈性體 側 使用 前置負 載 2牛頓 率2 0赫茲接受6 0 %壓縮負載之5厘米彈性體圓盤進行1 0 0 萬次壓縮(其中6 0 %係於可壓縮側壓縮)週期,而未進行任 312ΧΡ/發明說明書(補件)/94-04/94100977 200530043 何厚度的減薄。 〈實施例2 > 使用壓延法,厚度4 0微米之以聚酯為主之薄膜於一侧 上覆蓋有厚度1 6 0微米之彈性體層(該彈性體層係以高固 體聚胺基曱酸酯為主)。參照實施例1有關黏著劑塗覆細 Λ/Γ 即 ° 〈實施例3 >
使用已知共同擠塑法,1 0 0微米之以聚酯為主之薄膜組 合1 0 0微米之以熱塑性聚胺基曱酸酯為主之彈性體薄膜。 〈實施例4 > 6 2 5微米之以熱塑性聚胺基曱酸酯為主之彈性體層係藉 壓延法而施用至1 7 5微米之標準以聚酯為主之薄膜。 〈實施例5 > 複合物係由3 5 0微米以聚酯為主之薄膜及4 5 0微米以聚 胺基曱酸酯為主之彈性體製成之刀式展塗層形成。 〈實施例6 > 複合物係由5 0 0微米以聚酯為主之薄膜及1 0 0 0微米以 聚胺基甲酸酯為主之彈性體製成之壓延層形成。 〈實施例7 > 3 0 0微米聚胺基甲酸酯層(藉刀式展塗法)施用壓由1 7 5 微米以聚酯為主之薄膜製成之第一層上。 然後5 0微米以聚酯為主之薄膜,(藉壓延法)施用至聚 胺基曱酸酯層上,接著(藉壓延法)施用2 5 5微米彈性體層( 由熱塑性聚胺基甲酸酯製成),然後最後施用2 0微米具有 不同特性例如硬度之熱塑性聚胺基甲酸酯層。 8 312XP/發明說明書(補件)/94-04/94100977 ft 200530043 〈實施例8 (圖2 ) > 藉壓延法而由1 7 5微米聚酯薄膜(2 a )及 曱酸酯彈性體層(3 a )獲得之第一複合物, 壓延至第二相同複合物上,該第二複合物 聚酯薄膜(2 a )及6 0 0微米聚胺基曱酸酯彈 成。結果顯示不同使用者的需求可經由簡 複合物亦即有相同組成之複合物來滿足不 〈實施例9 (圖3 ) > 經共同擠塑且經過壓延之多層複合物, 一聚酯薄膜(2 b ),6 0 0微米熱塑性聚胺基 (3 b ),5 0微米第二聚酯薄膜(2 b )及5 5 0微 酸酯彈性體層(3 b )製成。 〈實施例1 0 > 至少一張50微米經塗覆以感壓黏著劑( 之聚輯薄膜施用至一複合物,該複合物包 基曱酸酯薄膜及1 7 5微米聚酯薄膜。若非 著劑塗覆之薄膜,可使用兩張或三張各自 來調整配合使用厚度。 本發明之範圍包括傳統共同組合數種複 獲得有適當厚度且具有所需化學/物理特怕 【圖式簡單說明】 圖1顯示根據本發明之内襯之典型複合 圖2顯示根據本發明之内襯之雙層複合 圖3顯示根據本發明之内襯之多層複合 【主要元件符號說明】 312XP/發明說明書(補件)/94-04/94100977 6 0 0微米聚胺基 該第一複合物被 也係由1 7 5微米 性體層(3 a )製 單組合兩種相同 同需求。 係由350微米第 曱酸酯彈性體層 米第二聚胺基曱 亦即可再黏貼式) 含2 2 5微米聚胺 使用一張經以黏 且可去除地堆疊 合物之方法,來 .之複合物。 物。 物。 物〇 9 200530043 1 内襯 2 非彈性部分 3 彈性體蓋層 2a 聚酯薄膜 2 b 聚酯薄膜 3a 熱塑性聚胺基曱酸酯彈性體層 3 b 熱塑性聚胺基甲酸酯彈性體層 4 黏著劑
10 3 ] 2ΧΡ/發明說明書(補件)/94-04/94100977

Claims (1)

  1. 200530043 十、申請專利範圍: 1 . 一種印刷壓平機用之自動水平内襯,特別係用於平版 印刷壓平機,其特徵為包含不可分離式共同接合之至少一 以聚酯為主之層以及至少一聚胺基曱酸酯彈性體層。 2 .如申請專利範圍第1項之内襯,其中該以聚酯為主之 層厚度為5 0微米至3 5 0微米,以及該聚胺基曱酸酯彈性體 - 層厚度為2 0微米至1 0 0 0微米。
    3 .如申請專利範圍第1項之内襯,其中該以聚酯為主之 層於一側上以黏著劑塗覆,該種情況下包括黏著劑之厚度 為4 0微米至1 0 0微米,黏著劑厚度不超過約5微米。 4.如申請專利範圍第1或2項之内襯,其中設置數層以 聚 酯 為 主 之 層 及 數 層 聚胺 基甲酸酯彈 性 體 層 ,其 中 至 少 部 分 不 同 層 彼 此 交 錯 〇 5 .如 前 述 中 請 專 利 範圍 中任· 一項之内 襯’ 其中 該 彈 性 體 成 分 具 有 下 列 化 學 /妆 〖理特性: 蕭 爾 硬 度 A 75 丨-95 D I N 5 3 5 0 5 密 度 克/ 立 方 厘 米 1 · 1 0- 1.25 D I N 5 3 4 7 9 週 期 性 壓 縮丨 % 6 0 %可 壓縮 D I N 53 15 17 彈 性 % 30 -40 D I N 5 3 5 1 2 而寸 溶 劑 性 耐 性 週 期 性 壓 縮 試 驗 包 含 進行 1 00萬 次壓 縮 週 期 (其中 6 0 %係 於 可 壓 縮 側 ,亦 即; 於: 緊胺基 曱酸酯 彈性 體* 測 壓 縮), 而 未 進 行 任 何 厚 度 的 減 薄 0 6. .如 中 請 專 利 範 圍 第5 項之内襯, 其 中 相 同4匕 學 物 理 特 性 也 適 用 於 該 聚 胺 基 曱酸 酯彈性體。
    11 312XP/發明說明書(補件)/94-04/94100977 200530043 7. 如前述申請專利範圍中任一項之内概,其^ 層重疊之聚S旨層,則部分可藉沿聚S旨層邊緣之卷 長條而一起被去除。 8. 如前述申請專利範圍中任一項之内襯,其c 層聚胺基曱酸酯彈性體層,則其中至少一層具3 層不同之特性,例如蕭爾硬度。 9. 如前述申請專利範圍中任一項之内襯,其4 之聚酯層之數目不多於三層,且其厚度皆不超過
    若使用數 壓黏著劑 若使用數 與其餘各 該可去除 50微米。 12 312XP/發明說明書(補件)/94-04/94100977
TW94100977A 2004-01-15 2005-01-13 Self-levelling under-packing for printing presses TW200530043A (en)

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JP2005199687A (ja) 2005-07-28
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ATE333379T1 (de) 2006-08-15
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BRPI0500165A (pt) 2005-09-06
DE602004001574D1 (de) 2006-08-31
US20050158564A1 (en) 2005-07-21
IL165999A (en) 2007-03-08
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