TW518247B - System and method for separating water from a siloxane solvent in a dry cleaning process - Google Patents
System and method for separating water from a siloxane solvent in a dry cleaning process Download PDFInfo
- Publication number
- TW518247B TW518247B TW089113942A TW89113942A TW518247B TW 518247 B TW518247 B TW 518247B TW 089113942 A TW089113942 A TW 089113942A TW 89113942 A TW89113942 A TW 89113942A TW 518247 B TW518247 B TW 518247B
- Authority
- TW
- Taiwan
- Prior art keywords
- water
- scope
- dry cleaning
- patent application
- item
- Prior art date
Links
Classifications
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/82—Compounds containing silicon
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/373—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicones
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F43/00—Dry-cleaning apparatus or methods using volatile solvents
- D06F43/007—Dry cleaning methods
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F43/00—Dry-cleaning apparatus or methods using volatile solvents
- D06F43/08—Associated apparatus for handling and recovering the solvents
- D06F43/081—Reclaiming or recovering the solvent from a mixture of solvent and contaminants, e.g. by distilling
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F43/00—Dry-cleaning apparatus or methods using volatile solvents
- D06F43/08—Associated apparatus for handling and recovering the solvents
- D06F43/081—Reclaiming or recovering the solvent from a mixture of solvent and contaminants, e.g. by distilling
- D06F43/085—Filtering arrangements; Filter cleaning; Filter-aid powder dispensers
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/02—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/02—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents
- D06L1/04—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents combined with specific additives
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L1/00—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
- D06L1/02—Dry-cleaning or washing fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods using organic solvents
- D06L1/08—Multi-step processes
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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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/05—Coalescer
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
- Extraction Or Liquid Replacement (AREA)
- Detergent Compositions (AREA)
Description
518247 64 5 2pif .doc/008 A7 B7 經濟部智慧財產局員工消費合作社印製 五、發明說明(f ) 本發明是有關於一種乾洗衣物、織布、纖維或其他相 似物之領域,且特別是有關於一種利用乾洗淸洗溶劑獨特 的比重與特殊的重量特性,藉以脫水的系統與方法。 乾洗是遍及這世界的一種主要行業,單單在美國就有 超過四萬家乾洗業者(許多乾洗業者具有多個據點);乾洗 業在現今的經濟體制中是一種基本的行業,許多與衣物(或 其他項目)有關的物件必須乾洗,藉去除人體油脂與油污 以維持淸潔,且可以避免縮水與褪色的情況發生。 現在最常廣泛使用的乾洗溶劑爲四氯乙烯(PERC),四 氯乙烯具有相當多的缺點,包括有毒性與具有臭味。 在此領域的另一個問題爲在現存的使用系統中,不同 的纖維需要不同的處理方法,藉以避免在乾洗的過程中損 害纖維。 習知的乾洗方法包括使用具有適當機制的各種溶劑來 進行淸洗,在前面敘述有提到,最廣泛應用的溶劑爲四氯 乙烯,四氯乙烯具有可以成爲絕隹淸洗溶劑的優點,但是 其缺點最主要會危害人體健康與環境,比如與許多癌症有 關,並會對地下水與水中生物造成很大的傷害,在一些地 方,四氯乙烯因爲上述缺點而被禁止使用。此外,在過去 其他溶劑像是石油基溶劑或碳氫化合物均被試著使用過’ 這些各式各樣的溶劑均無法像四氯乙烯這樣有效,但是仍 是屬於揮發性的有機化合物(VOC’s),因此這些溶劑受到 大部分的空氣區域的規範與許可。 乾洗業長久以來將石油基溶劑以及眾所週知的氯化經 4 --------------裝--- (請先閱讀背面之注意事項本頁) 訂: 線· 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 518247 6452pif.d〇c/008 A7 B7 五 經濟部智慧財產局員工消費合作社印製 發明說明(y) 像是四氯乙烯與三氯乙烯,使用於淸洗纖維與衣物上。自 1940年代,四氯乙烯是一種被人讚揚的合成化合物,其具 有不可燃與絕佳的去油脂的特性,且對乾洗業而言淸洗效 果很理想。自1970年代起,四氯乙烯被發現會使動物罹 患肝癌,這是一項的驚人發現’因爲在當時被乾洗業堆置 在垃圾掩埋場的廢物以滲入土壤與地下水中。 環境保護機關法令逐漸的嚴格,最高法令在1996年生 效,要求乾洗業者必須”乾對乾”的循環,意思是纖維布料 與衣物在進去機器時是乾的,出來時也是乾的。這些要求 的”閉環”(closed loop)系統可以回收絕大部分的四氯乙 烯,不論是液態或氣體。這個”循環”的過程包括將纖維布 料或衣物放入一個特別設計的淸洗機器中,其中筒艙15 至150重擊該些纖維布料或衣物,且該些纖維布料或衣物 可透過一個圓形窗戶看到。習知將纖維布料或衣物放置在 此機益中’藉由局部的手工標7K污點來^查及處理,假如 纖維布料非一般纖維布料,或是具有難以處理的問題,標 示處會被檢查藉以確定乾洗業者已經認爲此標示在乾洗中 是沒有問題的。假如不是,污點可能會是永遠的。舉個例 子,一個糖漬可以沒有被察覺,但是萬一經過乾洗過程, 此糖漬會被氧化而變爲棕色,假如污點與油脂有關,水將 沒有用處,但是溶劑將可以溶解油脂。事實上,乾洗某些 衣物的基本理由是爲了移除(那些應該無法在一般的洗衣 機中被淸洗掉)來自於身體的油垢(比如脂肪酸),因爲這些 油垢過度氧化並產生腐敗討厭的味道。 本紙張尺度適ffl中國國家標準(CNS)A4規格(210 X 297公爱) 請 先 閱 讀 背 意 事 項 本 頁 裝 訂 518247 A7 6452pif.doc/〇〇8 五、發明說明(77 ) --------------裝—— (請先聞讀背面之注ι-t事Γ 透過過濾與蒸餾溶劑,這些溶於溶劑中的油垢與脂肪 酸將會被移除’換句話說,髒的溶劑被煮沸,然後所有蒸 氣會透過冷凝管被凝結回到液體,回收的液體包括溶劑與 水’此液體接著會通過一個分離器,藉以將兩種不可混合 的液體分離。水份可能是來自於織布在淸洗前暴露於空氣 中的淫度開始,另一個水分的來源可能在先前的標示過程 中所用的材料。 在將織物自機器中拿出來之前,淸洗器變成一個烘乾 器’熱空氣經過隔間被送出來,但是氣流會經過一個壓縮 器’將蒸氣壓縮爲液體,藉以取代將氣流排到外面。液體 接著會經過一個分離器,以將水自溶劑中移走,而將溶劑 回收再次使用。 -線- 經濟部智慧財產局員工消費合作社印製 假如水置放在底槽一段時間,細菌會開始生長,這將 會產生一股很不好的味道,且將已經淸洗衣物也會沾上這 種味道。碳氫化合物的溶劑是細菌的食物來源,且會使細 菌很快的繁殖,密度較低的溶劑與密度較高的水之間的差 異,會在水與溶劑之間產生一個界面;在這界面中,極性 的溶劑溶解的污染物包括脂肪酸、食物、汗、以及一般的 體臭,長時間的放置將會使細菌快速的繁殖,最終產生臭 味。 因此,在專業的乾洗中,控制水的存在是必要的,藉 以避免在淸洗的過程中損害衣物,或造成臭味使客戶不 滿。 其中一種在選擇適當的水/溶劑分離系統的標準是利用 6 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 518247 A7 經濟部智慧財產局員工消費合作社印製 6452pif .doc/008 五、發明說明) 水與溶劑的密度或特殊比重的差異。四氯乙烯(最常被使 用的溶劑)的密度或特殊比重爲1.619,這是將水的比重當 作1.0來比較’下一個最常用的溶劑種類爲石油基類或碳 星化合物溶劑,其特殊比重的範圍在0.754至0.820之間, 其中大部分的碳氫化合物溶劑(DF-2000)爲0.77,水與溶 劑之間特殊比重的差異愈大,愈容易將兩個分離,比重分 離器已經被設計且使用於溶劑較重或較輕於水的狀況,水 與溶劑兩相之間的密度差必須大於0.03。 當系統被應用在分離水與溶劑,而溶劑的特殊比重與 水(1.0)差距很大時,就不需要努力於分離特殊比重很接近 1.0的溶劑與水了。 本發明使用一個特殊溶劑,係自一個有機/無機混合物 (有機的矽氧烷)衍生出來的,其特殊比重爲0.95。此溶劑 的密度與特殊比重相對於水(1.0)是最接近的,加上溶劑的 黏度,在乾洗的過程中會產生水的小液滴,用於分離習知 溶劑與水的標準的比重分離器將無法應用於矽氧烷溶劑。 爲了配合這種需要,本發明包括了一種在包含矽氧烷 溶劑之乾式淸洗程序中脫水的系統與方法,包括一個注入 口,用以自一個乾洗設備藍中注入乾洗液與水的混合物, 乾洗液包括矽氧烷化合物,其中更包括一個流量控制器, 用以調節來自於出口的混合液。連接流量控制器的是一個 連接器,用以接收來自於流量控制器的混合液,在連接器 的末端接著一個隔間,用以接收來自於連接器的混合液, 以將水與乾洗液分離,此外有一個出口與隔間相連,用以 -------------裝—— (請先閱讀背面之注意事員〆 訂“ _線- 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 518247 452pif.doc/008 A7 B7 經濟部智慧財產局員工消費合作社印製 五、發明說明(6 ) 58, 72 浮球閥開關62 過濾器殼體 66, 70管路 69 出口管 74 關節活門 實施例 本發明包括一種乾洗纖維、織布、皮革或相似物的方 法與裝置。 爲了施行本發明相關之淸洗步驟,第1圖繪示出一種, 但另一種淸洗構造也適用。其中應該注意的是,第1圖中 繪示的淸洗系統在操作時可使用Class-3A型的溶劑。 開始衣物或其他物品的乾洗時,係將其放入系統5的 一個水平旋轉的淸洗籃10中,包括一種有機的矽氧烷溶 劑的乾洗液體透過幫浦12注入而啓動淸洗循環,溶劑可 以是取自一個工作槽14或一個新的溶劑槽16中,然後加 到裝有衣物的淸洗籃10中,汲取的溶劑之路徑可以通過 一個過濾器18或直接進入淸洗籃10中。 溶劑接著至淸洗籃10流經過鈕扣狀的活門20,而到 達幫浦12,在攪拌一段時間以後,溶劑被汲取到三個槽14、 16與22其中之一,如第1圖所示。淸洗籃1〇接著被離心 旋轉,藉以將殘留的溶劑脫除到任一個預期的槽中。 過濾系統與本發明的特殊溶劑相容的類型爲:使用具 有砂藻土的一個旋轉盤,型態爲20及30微米,其中可以 選擇使用30微米的旋轉盤;也可以選擇性的使用具有矽 藻土的一個管狀過濾器(彈性的、固定的或是上下搖動的); 一個匣盒(碳心、全碳或是標準尺寸、巨大的或是分離的 9 -------------裝-----LIJ--訂:--------線 (請先閱讀背面之注意事項再本頁) 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公爱) 518247 6452pif.doc/008 A7 B7 經濟部智慧財產局員工消費合作社印製 五、發明說明(?) 在其中蒸氣會凝結回到液態,重力會使這樣的液體經過一 個水管37而到達分離器28。 留置在淸洗籃10中的空氣溫度介於華氏120至180度 之間,這樣的溫度是重要的,其比前述溶劑的燃點低約華 氏30度或更多。在一個實施例中,冷凝液體的流速可以 被限制在0.75GPM,而分離器因此可以根據自蒸餾器與乾 的蒸氣冷凝管26與36冷凝之液體的流動速度來設計。 第2圖介紹一個順序,在其中本發明的多種組合可以 被用來說明本發明之目的。在前述的乾洗流程以後,不只 有一種,可能爲兩或更多溶劑會在分離器中,將再次冷凝 的溶劑送回到乾洗系統的能力,與分離器28以及其效率 有關。 爲了提供這樣的效能,本發明提供如第3圖所示的一 種分離水與溶劑的方法。如第3圖所示,在步驟40中, 經過乾洗過程,一種包括乾洗溶劑與任何水份的混合物會 自衣物處被移走;在步驟42中,此混合物接著會被一個 分離器28給接收。在收集以後,此混合物會被導引經過 一個連接器,如步驟44之中所述;接下來,乾洗液會與 水分離,如步驟46。 第4圖繪示爲本發明一較佳實施例的分離器28,其操 作方法如第3圖所述。以含水的溶劑,或是含有乾洗液與 水的混合物來看,在接近分離器28的主室48(main chamber) 之前,混合物可能會被過濾,以避免毛屑或特別的污漬進 到分離器28中,這可以利用連接一個過濾器來達成。爲 (請先閱讀背面之注意事項再 本頁) 裝 訂L· --線· 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公釐) 518247 6452pif.d〇c/〇〇8 A7 ________ B7 五、發明說明(u) 使留下來的材料易碎。 --------------裝--- (請先閱讀背6匕—f 使用砂氧基的溶劑在溫度上不受限制,此優點在傳統 的乾洗液中並不存在,在乾洗的領域中,控制液體溶劑溫 度的重要性是絕對的。 前面提到最常使用的四氯乙烯(PERC),其溫度最好是 維持在華氏78至82度的範圍之間,這也是被乾洗業常用 的其他溶劑共用的範圍。假如溫度增加,結果會產生活性 太強的溶劑,而傷害欲處理的衣物。增加KB(kari butyl) 値通常會使衣物上的染料被剝離,而將這些染料轉移到其 到的衣物上。乾洗機器的製造者針對溫度控制的必要,在 基槽中建立了水冷線路,並在傳熱的管線上覆上同軸的水 冷封套。 · 線· 在本發明中,藉著將矽氧基溶劑的溫度提高到華氏90 至130度的範圍,提供溶劑的高活性,並不會拉下或剝離^ 染料,在封閉回路形態使用循環水,自熱水槽經過循環幫 浦,並經過管路(前面提到用以冷卻)然後回到熱水槽。循 環幫浦係利用可以放置在溶劑中的探針加以控制,精確的I 控制溶劑的溫度將可以適度的活化溶劑,又不會對淸洗的 衣物產生損害。 經濟部智慧財產局員工消費合作社印製 雖然本發明已以一較佳實施例揭露如上,然其並非用 以限定本發明,任何熟習此技藝者,在不脫離本發明之精 神和範圍內,當可作各種之更動與潤飾,因此本發明之保 護範圍當視後附之申請專利範圍所界定者爲準。 14 $紙張尺度適用巾國國家標準(CNS)A4規格(210 X 297公釐)
Claims (1)
- 518247 6452pifl.doc/013 爲第89113942號專利範圍修正本 ABCD η 十一年一*月五日 六、申請專利範圍 1·一種在乾洗程序裡_.將水自硬藶烷溶劑去除的系統, 包括= (請先閲讀背面之注意事項再填寫本頁) (a) —注入管,可以自一乾洗裝置之一冷凝器接收乾洗 液與水之一混合物,其中該乾洗液包括一矽氧烷成分; (b) —水流控制器,用以引導來自該往入管之該混合物 之水流; (c) 一分離器,接收來自於該水流控制器引導之該混合 物; (d) —空室,連接一連結介質,用以接收來自於該連篮_ 介質之該混合物,以分離該乾洗液與水;以及 (e) —出口管,連接到該空室,以在沒有水的情況下自 該空室中移除該乾洗液。 2. 如申請專利範圍第1項所述之系統,其中更包括一 過濾器連接到該注入管,其中具有複數個尺寸介於10到 100微米的排孔。 3. 如申請專利範圍第1項所述之系統,其中該注入管 爲垂直的以避免低的位置會累積水。 經濟部中央標準局員工消費合作社印裝 4·如申請專利範圍第1項所述之系統,其中更包括一 第二連結介質與該注入管連接,藉以進一步結合。 5·如申請專利範圍第1項所述之系統,其中更包括一 第二連結介晳逛誃m□管逋接,藉以進一步結合。 6·如申請專利範圍第1項所述之系統,其中該水流控 制器爲一抽氣裝置。 7·如申請專利範圍第1項所述之蓋_龜,其中該水流控 15 本紙張尺度適用中國國家標準(CNS ) A4規格(210X 297公嫠) 518247 ABCD 民國九十一年二月五日 6452pifl.doc/013 爲第89113942號專利範圍修正本 六、申請專利範圍 制器爲一幫浦。 8. 如申請專利範圍第7項所述之其中該幫浦係 透過一個浮球閥開關(float level switch)來開啓。 (請先閲讀背面之注意事項再填寫本頁) 9. 如申請專利範圍第7項所述之系遞_,其中該幫浦爲 一電動幫浦。 10. 如申請專利範圍第7項所述之系M,其中該幫浦爲 一氣動幫浦。 11. 如申請專利範個第1項所述之系厥,其中該空室中 的水會被汲走。 12. 如申請專利範圍第11項所述之系統,其中重力會 引導水自該空室流過一汲水管。 13. 如申請專利範圍第12項所述之系統,其中水係自 該空室經過被一浮球閥開關開啓之關節活門(hinge valve) 被汲取。 14. 如申請專利範圍第12項所述之系統,其中自該空 室經過被一浮球閥開關開啓之關節活門被汲取之水,係透 過由二探針建立之導電性來達成,而其中該二探針構成一 回路,以將水昇到一預定的高度。 經濟部中央標隼局員工消費合作社印製 15. 如申請專利範圍第1項所述之蓋廬_,其中該乾洗液 會經過過濾器,以過濾出特別之污漬以及避免該乾洗液產 生聚合現象。 16. 如申請專利範圍第1項所述之系蓋_,其中該乾洗液 之一溫度係被維持在華氏90度至130度之間。 17. 如申請專利範圍第1項所述之基遮_,其中多至三個 16 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 518247 6452pif1.doc/013 A8 爲第8 9 1 1 3 9 4 2號專利範圍修正本器 ΨΑ ____D8 民國九十 年二月五日 申請專利範圍 連接器被置放於該注入管與該出口管之間。 18.—種在乾洗程序裡將水自溶劑分離,包括· (a) 將欲乾洗之複數個衣物浸入包括一砂氧院二 乾洗液中; (b) 在該砂氧院成分中攪動該些衣物; (c) 自該些衣物中移開包括該乾洗液與任何水之一混合 物; (d) 收集該些蒸氣; (e) 利用一接合工具收集凝結的該些蒸氣;以及 (0將水與該些乾洗液分離。 (請先閲讀背面之注意事項再填寫本頁)經濟部中央標準局員工消費合作社印製 本紙張尺度適用中國國家榡隼(CNS ) Α4規格(210X297公釐)
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US08/918,629 US5865852A (en) | 1997-08-22 | 1997-08-22 | Dry cleaning method and solvent |
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TW089113942A TW518247B (en) | 1997-08-22 | 2000-08-24 | System and method for separating water from a siloxane solvent in a dry cleaning process |
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EP (1) | EP1194630A4 (zh) |
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EE (1) | EE200200019A (zh) |
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TW (1) | TW518247B (zh) |
WO (1) | WO2001027380A1 (zh) |
ZA (1) | ZA200200171B (zh) |
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- 2000-07-13 JP JP2001529504A patent/JP2003511579A/ja active Pending
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- 2000-07-13 EE EEP200200019A patent/EE200200019A/xx unknown
- 2000-07-13 BR BRPI0012441-9A patent/BR0012441B1/pt not_active IP Right Cessation
- 2000-07-13 HU HU0202357A patent/HUP0202357A3/hu unknown
- 2000-07-13 WO PCT/US2000/019228 patent/WO2001027380A1/en not_active Application Discontinuation
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- 2000-07-13 RU RU2002103594/04A patent/RU2276212C2/ru active
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AU772554B2 (en) | 2004-04-29 |
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EP1194630A4 (en) | 2002-11-20 |
HUP0202357A3 (en) | 2004-03-01 |
NZ516607A (en) | 2003-08-29 |
JP2003511579A (ja) | 2003-03-25 |
EP1194630A1 (en) | 2002-04-10 |
HK1046938A1 (zh) | 2003-01-30 |
ZA200200171B (en) | 2002-10-30 |
MXPA02000357A (es) | 2002-07-02 |
WO2001027380A8 (en) | 2002-06-20 |
CZ200297A3 (cs) | 2002-06-12 |
AR024759A1 (es) | 2002-10-23 |
HUP0202357A2 (hu) | 2002-11-28 |
US6086635A (en) | 2000-07-11 |
RU2276212C2 (ru) | 2006-05-10 |
CN1373822A (zh) | 2002-10-09 |
CN1174138C (zh) | 2004-11-03 |
WO2001027380A1 (en) | 2001-04-19 |
AU5934100A (en) | 2001-04-23 |
NO20020198D0 (no) | 2002-01-14 |
BR0012441A (pt) | 2002-05-28 |
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