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JP2007510071A - Machine for producing finished nonwovens - Google Patents

Machine for producing finished nonwovens Download PDF

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Publication number
JP2007510071A
JP2007510071A JP2006537355A JP2006537355A JP2007510071A JP 2007510071 A JP2007510071 A JP 2007510071A JP 2006537355 A JP2006537355 A JP 2006537355A JP 2006537355 A JP2006537355 A JP 2006537355A JP 2007510071 A JP2007510071 A JP 2007510071A
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Prior art keywords
web
conveyor
machine
additive
machine according
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Japanese (ja)
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ノエル，フレデリック
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Rieter Perfojet SAS
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Rieter Perfojet SAS
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H18/00—Needling machines
    • D04H18/04—Needling machines with water jets
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
    • D04H3/11—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by fluid jet

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

【課題】生成したウェブを連続して添加物塗布ユニットに送ることができる不織布連続生産機械を提供すること。
【解決手段】スパンボンド・タワー（１〜４）及びコンベヤ（６）を備える、不織布を生産するためのこの機械内に、統合装置（７、８、１１、１２）、ウェブから水分を搾出するための手段（１６）、及び搾出手段（１６）の下流に配置した、添加物をウェブに塗布するための塗布装置（１７）を設ける。
【選択図】図１
A nonwoven fabric continuous production machine capable of continuously feeding a produced web to an additive coating unit.
In this machine for the production of nonwovens, comprising a spunbond tower (1-4) and a conveyor (6), the integrated device (7, 8, 11, 12), squeezes moisture from the web. There are provided means (16) and a coating device (17) arranged downstream of the squeezing means (16) for applying the additive to the web.
[Selection] Figure 1

Description

本発明は、長繊維及び所望により繊維をウェブとしてコンベヤ上に堆積させる１つ又は複数のスパンボンド・タワー及び所望により１つ又は複数の溶融吹き付けヘッドを備える、不織布を生産するための機械に関する。この様に堆積され、依然として壊れやすいウェブは、次いで水噴射統合ステーション（ｗａｔｅｒ−ｊｅｔ ｃｏｎｓｏｌｉｄａｔｉｏｎ ｓｔａｔｉｏｎ）に送られる。   The present invention relates to a machine for producing nonwovens comprising long fibers and optionally one or more spunbond towers for depositing the fibers as a web on a conveyor and optionally one or more melt spray heads. The web thus deposited and still fragile is then sent to a water-jet consolidation station.

これらの機械の欠点の１つは、その機械から生成したウェブを連続して添加物塗布ユニット（ｐｒｏｄｕｃｔ ａｐｐｌｉｃａｔｉｏｎ ｕｎｉｔ）に送ることができないことである。
欧州特許出願公開０７２９６１号明細書 One of the disadvantages of these machines is that the web produced from the machine cannot be continuously sent to the product application unit.
European Patent Application Publication No. 072961

本発明は上記欠点を解消するものである。   The present invention overcomes the above disadvantages.

したがって、本発明の主題は、長繊維をウェブとしてコンベヤ上に堆積させるスパンボンド・タワーと、前記ウェブを統合させるための装置とを備える不織布連続生産機械であって、前記ウェブが移動する方向の前記統合装置の下流に設けられた水分搾出手段と、前記搾出手段の下流に設けられた前記ウェブに添加物を塗布するための塗布装置（ａｐｐｌｉｃａｔｏｒ）とを備えることを特徴とする機械である。   Accordingly, the subject of the present invention is a nonwoven continuous production machine comprising a spunbond tower for depositing long fibers on a conveyor as a web and an apparatus for integrating the web, wherein the web is in the direction of movement. A machine comprising: a moisture squeezing means provided downstream of the integrated device; and an applicator for applying an additive to the web provided downstream of the squeezing means. is there.

一実施形態によれば、搾出手段は、単に、その上をウェブが通過する第２のコンベヤと、前記第２のコンベヤの上側走路と下側走路との間に設けられた真空装置とからなり、この真空装置は、例えば４０乃至７００ｍｂａｒの真空を与えてウェブを吸引効果に曝す。   According to one embodiment, the squeezing means simply consists of a second conveyor over which the web passes and a vacuum device provided between the upper and lower runways of the second conveyor. The vacuum device applies a vacuum of, for example, 40 to 700 mbar to expose the web to the suction effect.

これにより今では例えばポリプロピレン、ポリエチレン又はメタロセンでできている疎水性の長繊維から成るウェブに、界面活性剤及び／又は接合剤及び／又は潤滑剤及び／又は膨潤剤及び／又は染料を伴う後続の処理を連続して受けさせたり、或いは連続して印刷工程を受けさせたりすることが可能となる。ここで、水分の搾出は、ウェブが疎水性長繊維から成る場合であったとしても、ウェブに添加物が塗布装置によって正しく塗布されるように十分に行われる。   This allows webs made of hydrophobic long fibers, for example made of polypropylene, polyethylene or metallocene, to be followed by surfactants and / or binders and / or lubricants and / or swelling agents and / or dyes. The processing can be continuously performed or the printing process can be continuously performed. Here, even if the web is made of hydrophobic long fibers, the water is sufficiently extracted so that the additive is correctly applied to the web by the coating device.

第２のコンベヤの上側走路の長さは、ウェブが通過する速度に依存して異なるが、ウェブが第２のコンベヤを出るときにその含水量が７０重量％より少なく、好ましくは５０％より少なく、より好ましくは２０重量％より少なくなるように決められる。この含水量は一般的に重量で１０％乃至７０％である。それは、乾燥ユニットが与える筈である値とは異なり１０％より大きい。一般的に、第２のコンベヤ上におけるウェブの滞留時間は、その上側走路が例えば２ｍの長さを有するコンベアの場合、２秒未満とすることができる。   The length of the upper conveyor runway of the second conveyor varies depending on the speed at which the web passes, but its water content is less than 70% by weight, preferably less than 50% when the web exits the second conveyor. More preferably, it is determined to be less than 20% by weight. This water content is generally 10% to 70% by weight. It is greater than 10%, unlike the value that should be given by the drying unit. In general, the residence time of the web on the second conveyor can be less than 2 seconds when the upper runway is a conveyor having a length of 2 m, for example.

本発明の機械は、添加物塗布装置の下流に、ウェブを乾燥させるための装置を含んでもよいが、この乾燥装置は搾出手段によって水分の大部分が既に搾り取られているという事実によっておそらくその重要性は薄れている。   The machine of the present invention may include a device for drying the web downstream of the additive applicator, probably due to the fact that most of the moisture has already been squeezed out by the squeezing means. The importance is fading.

添加物塗布装置は、発泡材からなる塗布装置若しくはリック・ロール（ｌｉｃｋ−ｒｏｌｌ）からなる塗布装置又はスプレイからなる塗布装置であることが好ましく、それらはウェブの残存含水量を受容する。   The additive applicator is preferably a foam applicator, a lick-roll applicator or a spray applicator, which accepts the remaining water content of the web.

衛生用製品、特におむつの場合、前記塗布は、長手方向の帯状に行われ、それによって例えば長手方向に疎水性の区域と親水性の区域が交互に生成される。   In the case of sanitary products, in particular diapers, the application takes place in the form of longitudinal strips, whereby, for example, longitudinally hydrophobic and hydrophilic areas are produced alternately.

欧州特許出願公開第０７２９６１号明細書では、水分を不織布から搾り出すこと、つまり機械的な手段でいくらかの水を排出させることは提案せず、むしろ不織布を乾かすこと、つまりほぼ全ての水を熱エネルギの供与によってそこから除去することを提案している。   EP 072961 does not propose to squeeze out moisture from the nonwoven, i.e. drain some water by mechanical means, but rather to dry the nonwoven, i.e. to heat almost all the water. It is proposed to be removed from it by providing energy.

添付図面の単一の図は本発明を例示するものである。   The single figure in the accompanying drawings illustrates the invention.

該図は、本発明の機械の概略的断面図である。
本機械はスパンボンド・タワーを備え、そのスパンボンド・タワーは、長繊維Ｆの幕を生成するために有機ポリマーの溶融物（この溶融物はダイ１に供給される）を押し出すための押出し装置と、押し出された長繊維の少なくとも表面を硬化させるための冷却区域２と、その中で前記長繊維の幕がその長繊維を引っ張る高速空気流の作用に曝されるチャンバの形態の吸引装置３と、該吸引装置の出口で空気流を偏向させ且つ減速させ、長繊維Ｆを、エンドレスの第１のコンベヤ６の上側走路５上に堆積されるウェブとしてランダムに撒布させる拡散装置４を有する。該長繊維は長繊維Ｆの束の形態で図の平面に対して直角に横たわる。 The figure is a schematic cross-sectional view of the machine of the present invention.
The machine comprises a spunbond tower, which is an extrusion device for extruding a melt of organic polymer (this melt is fed to the die 1) to produce a curtain of long fibers F And a cooling zone 2 for curing at least the surface of the extruded long fibers, and a suction device 3 in the form of a chamber in which the curtain of the long fibers is exposed to the action of a high-speed air stream pulling the long fibers And a diffusion device 4 that deflects and decelerates the air flow at the outlet of the suction device and distributes the long fibers F randomly as a web deposited on the upper runway 5 of the endless first conveyor 6. The long fibers lie in the form of bundles of long fibers F at right angles to the plane of the figure.

上側走路５の上方に装着されているのは文字Ａで記号的に示されている内部真空装置をもつ水平ドラム７である。ドラム７の側方表面は穴あけされている。ドラムはその軸の周りを回転する。ドラムは開口部を備えたスリーブによって囲まれている。２つの噴射器８が、加圧水噴流をドラムの側面に射出し、長繊維のウェブはドラム７と噴射器８との間を通過し、かくして統合されることが可能にされている。噴流は８０乃至１７０ミクロンの直径を有するものであってよい。メートル当たりの噴流の数は１，０００乃至５，０００であってよく、噴射器内の水圧は１０乃至４００ｂａｒであってよく、その一方でドラム７内の真空はマイナス２０ｍｂａｒ乃至マイナス２００ｍｂａｒであってよく、ドラム７は１乃至４００ｍ／分の速度で駆動することができる。次いでウェブは、ドラム７と同じ構造で同じ動作をする第２のドラム１１に到達するために第２のコンベヤ１０の上側走路９に送られる。ウェブはドラム１１から、ドラム１１のように噴射器を備えるドラム１２に送られる。ドラム１２はその構造及び動作においてドラム１１と類似である。   Mounted above the upper runway 5 is a horizontal drum 7 having an internal vacuum device indicated symbolically by the letter A. The side surface of the drum 7 is perforated. The drum rotates around its axis. The drum is surrounded by a sleeve with an opening. Two injectors 8 inject a pressurized water jet onto the side of the drum so that the long-fiber web passes between the drum 7 and the injector 8 and can thus be integrated. The jet may have a diameter of 80 to 170 microns. The number of jets per meter can be 1,000 to 5,000, the water pressure in the injector can be 10 to 400 bar, while the vacuum in the drum 7 is minus 20 mbar to minus 200 mbar. The drum 7 can be driven at a speed of 1 to 400 m / min. The web is then sent to the upper runway 9 of the second conveyor 10 in order to reach a second drum 11 which has the same structure and the same movement as the drum 7. The web is fed from the drum 11 to a drum 12 having an injector like the drum 11. The drum 12 is similar to the drum 11 in its structure and operation.

ウェブは、ドラム１２を出ると水分搾出装置１６、つまりその中で６００ｍｂａｒの真空が生成され、第３のコンベヤ１５の上側走路と下側走路の間に差し挟まれた箱を備える第３のコンベヤ１５に直接転送される。この箱は、その上側にスリットを備えている。このスリットは、横断方向に延在するとともに、コンベヤ上を通過するウェブの全体に面し、それを通してウェブから水分が吸引される。上側走路は３ｍの長さを有する。ウェブは、これに沿って毎分２００ｍの速度で進む。   As the web exits the drum 12, a moisture squeezing device 16, ie, a vacuum of 600 mbar is created therein, with a third box comprising a box sandwiched between the upper runway and the lower runway of the third conveyor 15. It is transferred directly to the conveyor 15. This box has a slit on its upper side. This slit extends in the transverse direction and faces the entire web passing on the conveyor, through which moisture is sucked from the web. The upper runway has a length of 3 m. The web travels along this at a speed of 200 meters per minute.

コンベヤの下流にあるのは、高級化させるための添加物を塗布するための塗布装置１７であり、実際に添加物を塗布するステーション１８、乾燥ステーション１９及び巻取りステーション２０を備える。   Downstream of the conveyor is an application device 17 for applying additives for upgrading, and includes a station 18 for actually applying additives, a drying station 19 and a winding station 20.

したがってすぐに使用できる不織布を連続して得ることができる。   Therefore, the nonwoven fabric which can be used immediately can be obtained continuously.

本発明の機械の概略的断面図である。1 is a schematic cross-sectional view of a machine of the present invention.

符号の説明Explanation of symbols

１ ダイ
２ 冷却区域
３ 吸引装置
４ 拡散装置
５ 第１のコンベヤの上側走路
６ 第１のコンベヤ
７ 水平ドラム
８ 噴射器
９ 第２のコンベヤの上側走路
１０ 第２のコンベヤ
１１ 第２のドラム
１２ ドラム
１５ 第３のコンベヤ
１６ 水分搾出装置
１７ 塗布装置
１８ 添加物塗布ステーション
１９ 乾燥ステーション
２０ 巻取りステーション
DESCRIPTION OF SYMBOLS 1 Die 2 Cooling area 3 Suction device 4 Spreading device 5 Upper runway of the first conveyor 6 First conveyor 7 Horizontal drum 8 Injector 9 Upper runway of the second conveyor 10 Second conveyor 11 Second drum 12 Drum 15 Third conveyor 16 Moisture squeezing device 17 Coating device 18 Additive coating station 19 Drying station 20 Winding station

Claims (5)

長繊維をウェブとしてコンベヤ（６）上に堆積させるスパンボンド・タワー（１〜４）と、水噴射によって前記ウェブを統合させるための装置（７、８、１１、１２）とを備える不織布連続生産機械であって、前記ウェブが移動する方向の前記統合装置（７、８、１１、１２）の下流に設けられた水分搾出手段（１５、１６）と、前記搾出手段（１５、１６）の下流に設けられた前記ウェブに添加物を塗布するための塗布装置（１７）とを備えることを特徴とする機械。   Non-woven continuous production comprising spunbond towers (1-4) for depositing long fibers as webs on a conveyor (6) and devices (7, 8, 11, 12) for integrating the webs by water jets Moisture squeezing means (15, 16) provided downstream of the integrated device (7, 8, 11, 12) in the direction in which the web moves, and the squeezing means (15, 16) And an application device (17) for applying an additive to the web provided downstream of the machine. 前記搾出手段が、真空装置（１６）を備え、例えば４０と７００ｍｂａｒの間の真空を与え、ウェブを吸引効果に曝すことを特徴とする請求項１に記載の機械。   Machine according to claim 1, characterized in that the squeezing means comprises a vacuum device (16), for example applying a vacuum between 40 and 700 mbar and exposing the web to a suction effect. 前記添加物塗布装置（１８）の下流に前記ウェブを乾燥するための装置（１９）を備えることを特徴とする請求項１又は２に記載の機械。   Machine according to claim 1 or 2, characterized in that it comprises a device (19) for drying the web downstream of the additive applicator (18). 前記添加物塗布装置が、発泡材からなる塗布装置又はリック・ロール（ｌｉｃｋ−ｒｏｌｅ）からなる塗布装置であることを特徴とする請求項１〜３の何れか１項に記載の機械。   The machine according to any one of claims 1 to 3, wherein the additive coating device is a coating device made of a foam material or a coating device made of a lick-roll. 前記塗布装置が、長手方向の帯状に塗布を行うための装置であることを特徴とする請求項１〜４の何れか１項に記載の機械。
The machine according to any one of claims 1 to 4, wherein the coating device is a device for performing coating in a longitudinal band shape.
JP2006537355A 2003-10-31 2004-10-26 Machine for producing finished nonwovens Pending JP2007510071A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0312794A FR2861750B1 (en) 2003-10-31 2003-10-31 MACHINE FOR PRODUCING A FINISHED NONTISSE.
PCT/FR2004/002753 WO2005042821A1 (en) 2003-10-31 2004-10-26 Machine for the production of a finished non-woven

Publications (1)

Publication Number Publication Date
JP2007510071A true JP2007510071A (en) 2007-04-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006537355A Pending JP2007510071A (en) 2003-10-31 2004-10-26 Machine for producing finished nonwovens

Country Status (8)

Country Link
US (1) US20070212436A1 (en)
EP (1) EP1682713B1 (en)
JP (1) JP2007510071A (en)
KR (1) KR20060090713A (en)
CN (1) CN1875140A (en)
BR (1) BRPI0416139B1 (en)
FR (1) FR2861750B1 (en)
WO (1) WO2005042821A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020183119A (en) * 2019-04-26 2020-11-12 日東電工株式会社 Elastic laminate and manufacturing method thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
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FR2861750A1 (en) 2005-05-06
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WO2005042821A1 (en) 2005-05-12
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FR2861750B1 (en) 2006-02-24
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