JPS62268863A - Apparatus for producing yarn fleece and operation thereof - Google Patents

Apparatus for producing yarn fleece and operation thereof

Info

Publication number
JPS62268863A
JPS62268863A JP62018797A JP1879787A JPS62268863A JP S62268863 A JPS62268863 A JP S62268863A JP 62018797 A JP62018797 A JP 62018797A JP 1879787 A JP1879787 A JP 1879787A JP S62268863 A JPS62268863 A JP S62268863A
Authority
JP
Japan
Prior art keywords
fleece
filament
chute
speed
filaments
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP62018797A
Other languages
Japanese (ja)
Other versions
JPH028065B2 (en
Inventor
ヘルマン、バルク
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Reifenhaeuser GmbH and Co KG Maschinenenfabrik
Original Assignee
Reifenhaeuser GmbH and Co KG Maschinenenfabrik
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Reifenhaeuser GmbH and Co KG Maschinenenfabrik filed Critical Reifenhaeuser GmbH and Co KG Maschinenenfabrik
Publication of JPS62268863A publication Critical patent/JPS62268863A/en
Publication of JPH028065B2 publication Critical patent/JPH028065B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/009—Condensation or reaction polymers
    • 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
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/009—Condensation or reaction polymers
    • D04H3/011—Polyesters
    • 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
    • D04H3/03—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 at random
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 産業上の利用分野 本発明は、フィラメントの暮が溶融液状に流出する並べ
た複数のフィラメントノズルを訂するノズルヘッド、引
出しシュート、少なくとも１つの拡散器を備えたフリー
ス形成装置、および吸入装置に備えたフリース支持コン
ベヤベルトが設けられており、その際引出しシュート内
に冷却空気が４人可ｆｉｌである、合成ポリマー製の延
伸フィラメントから糸フリースを製造する装置に関する
。さらに本発明は、このような装置の特定の運転方法に
関する。特にポリアミドまたはポリエステルからなるフ
ィラメントを取扱うことができる。DETAILED DESCRIPTION OF THE INVENTION Industrial Field of Application The present invention relates to a fleece-forming process comprising a nozzle head, a draw-out chute, and at least one diffuser for forming a plurality of filament nozzles in series, from which filament deposits flow out in the form of a molten liquid. The present invention relates to a device for producing yarn fleece from drawn filaments made of synthetic polymers, in which a device and a fleece-supporting conveyor belt with a suction device are provided, with cooling air capacity for four people in the draw-off chute. Furthermore, the invention relates to a particular method of operating such a device. In particular, filaments made of polyamide or polyester can be used.

従来技術 前記のような周知のＢ　Ｈにおいて引出しシュートには
直接フリース形成装置が続いている。流れる空気は、引
出しシュート内でまず冷却を行うがそれに続いてほとん
どの場合ベンチュリ状に断面を収縮した範囲において延
伸も行う。延伸は、換言すればフィラメントに作用する
空気力によって行われ、かつそれによりおおいに統計学
的法則に従う。得られた延伸底は、かなりの帯域幅で変
動する。延伸したフィラメントは、最大２．５　ｇ／ｄ
ｔｅｘの強さに達する。BACKGROUND OF THE INVENTION In known BHs as described above, the drawer chute is directly followed by a fleece-forming device. The flowing air is first cooled in the drawer chute, but is then also stretched in the region of a constricted cross-section, mostly in the form of a venturi. The drawing, in other words, takes place by means of air forces acting on the filament and thus largely follows statistical laws. The resulting stretched sole varies over a considerable bandwidth. Drawn filament has a maximum weight of 2.5 g/d
Reach the strength of tex.

発明の目的 本発明の課題は、初めに述べたような装置を改善し、延
伸底がわずかな帯域幅で極めて正確に設定でき、しかも
装置の特定の運転方法の枠内で、延伸したフィラメント
が３〜４ｇ／ｄｔｅχまたはそれどころかほぼ６ｇ／　
ｄｔｅｘまでの強さを有する程度にも設定できるように
することにある。OBJECTS OF THE INVENTION It is an object of the present invention to improve a device of the type mentioned in the beginning, in which the drawing base can be set very accurately with a small bandwidth, and within the framework of a particular operating method of the device, the drawn filament can be 3-4 g/dteχ or even almost 6 g/
The object is to be able to set the strength to a level up to dtex.

発明の構成 この３題を解決するため、本発明は次のことを示してい
る。すなわち引出しシュートとフリース形成装置の間に
、２つの平面内に配置された複数の引出しローラからな
る引出しローラユニットが、配置されており、この引出
しローラユニットの引出シローラを介してフィラメント
の幕が波形に案内されており、また引出しシュートが冷
却シュートだけとして（１カ成されており、またフィラ
メントの延伸が、引出しローラユニットによりおよび／
またはその中で行われている。Structure of the Invention In order to solve these three problems, the present invention shows the following. That is, a draw-out roller unit consisting of a plurality of draw-out rollers arranged in two planes is arranged between the draw-out chute and the fleece forming device, and the curtain of filament is formed into a waveform through the draw-out rollers of this draw-out roller unit. In addition, the drawing chute is only a cooling chute (consisting of one), and the drawing of the filament is carried out by a drawing roller unit and/or
or taking place within it.

本発明によれば延伸底は引出しローラユニットによって
決められる。延伸底は、引出しローラユニットの構成と
制御により極めて正確に、かつ統計的変動に関して狭い
帯域幅で！１整できる。According to the invention, the stretching bottom is defined by a pull-off roller unit. Stretching soles are extremely precise due to the configuration and control of the pull-out roller unit and with a narrow bandwidth with respect to statistical fluctuations! I can complete one set.

簡単な点で優れている本発明の有利な実施形は次のよう
な特徴を存する。すなわちノズルヘッドのフィラメント
ノズルからフィラメントが出る速度とそれより高い引出
しローラの引出し速度との間の差によって、延伸が調節
できる。このような装置の運転方法は、３〜４ｇ／ｄｔ
ｅχの強さのあらかじめ配向したフィラメントが得られ
るように、前記の差を調節するという特徴を有する。極
めて高い延伸度が可能な本発明の別の実施形は次のよう
な特徴を有する。すなわち引出しローうユニットが、入
口側引出しローラおよび出口側延伸ローラを存し、また
引出しローラの速度とそれより高イ延伸ローラの速度と
の間の差により、延伸が調節できる。本発明による装置
のこの実施形の運転方法は、３．５〜６　ｇ／　ｄｔｅ
ｘの強さの延伸フィラメントが得られるように、ローラ
間の前記の着を調節するという特徴を有する。An advantageous embodiment of the invention, which is distinguished by its simplicity, has the following features: That is, the drawing can be adjusted by the difference between the speed at which the filament emerges from the filament nozzle of the nozzle head and the higher drawing speed of the drawing roller. The operating method for such equipment is 3 to 4 g/dt.
It is characterized by adjusting said difference in such a way that pre-oriented filaments with a strength of eχ are obtained. Another embodiment of the invention, which allows very high degrees of stretching, has the following characteristics. That is, the draw-row unit has an inlet draw roller and an outlet draw roller, and the drawing can be adjusted by the difference between the speed of the draw roller and the speed of the higher draw roller. The method of operation of this embodiment of the device according to the invention is such that between 3.5 and 6 g/dte
It is characterized by adjusting the said bond between the rollers so that a drawn filament with a strength of x is obtained.

引出しローラの引出し速度または延伸ローラの延伸速度
という表現が、常にフィラメントの幕にローラが作用す
る速度を表わすことは明らかである。It is clear that the expression drawing speed of a drawing roller or drawing speed of a drawing roller always refers to the speed at which the roller acts on the filament curtain.

実施例 本発明の実施例を以下図面により説明する。Example Embodiments of the present invention will be described below with reference to the drawings.

図示した装置は、所定の延伸度で延伸した合成ポリマー
製フィラメントから糸フリースを作るため使用するもの
である。合成ポリマーとしては、例えばポリアミドまた
はポリエステルが使用できる。装置の基本溝成には、フ
ィラメント２の幕が溶融液伏に流出する並べた複数のフ
ィラメントノズルを訂するノズルヘッド１、引出しシュ
ート３゜および少なくとも１つの拡散器ををするフリー
ス形成装置４および吸入装置６を有するフリース支持コ
ンベヤベルト６が含まれている。The apparatus shown is used for making yarn fleeces from synthetic polymer filaments drawn to a certain degree of drawing. As synthetic polymers, for example polyamides or polyesters can be used. The basic structure of the apparatus includes: a nozzle head 1 which serves as a plurality of aligned filament nozzles through which a curtain of filaments 2 flows out into the melt, a fleece-forming device 4 which serves as a drawer chute 3 and at least one diffuser; A fleece support conveyor belt 6 with an inhalation device 6 is included.

吸気は、循環空気通路７を介して引出しシュート３に案
内され、かつここに、場合によっては折鮮空呉と共に冷
却空気として４人可能である。この冷却空気の温度は、
例えば５〜３０℃の範囲にある。その前に押出しＦ１ａ
が接続されており、この押出し機には合成ポリマーが供
給され、かつこの押出し機は、ノズルヘッド１に接続さ
れている。その後には、でき上った糸フリース１０を巻
取る装置９が接続されている。The intake air is guided via a circulating air channel 7 into the drawer chute 3 and can be used here as cooling air, possibly with fresh air. The temperature of this cooling air is
For example, it is in the range of 5 to 30°C. Before that, extrusion F1a
is connected to the extruder, the synthetic polymer is fed to the extruder, and the extruder is connected to the nozzle head 1. A device 9 for winding up the finished yarn fleece 10 is connected thereto.

引出しシュート３とフリース形成装置４０間には、２つ
の平面内に配置された複数の引出しローラ１２からなる
引出しローラユニット１１が設けられている。これら引
出しローラ１２を介してフィラメントの幕が波形に案内
される。引出しシュート３は、冷却シュートとして形成
されているだけである。フィラメント２の延伸は、引出
しローラユニット１１によりまたはその中で行われてい
る。A pull-out roller unit 11 consisting of a plurality of pull-out rollers 12 arranged in two planes is provided between the pull-out chute 3 and the fleece forming device 40. The filament curtain is guided in a corrugated manner via these pull-out rollers 12. The drawer chute 3 is only designed as a cooling chute. The drawing of the filament 2 takes place by or in the drawing roller unit 11.

第１図による実施形では延伸は、ノズルヘッド１のフィ
ラメントノズルからフィラメント２が出る速度とそれよ
り高い引出しローラド２の引出し速度の間の差により、
引出しローラユニット１１によって行われる。この差は
調節可能であり、例えば３〜４　ｇ／　ｄｔｅｘの強さ
のあらかじめ配向したフィラメントが得られるように調
節することができる。In the embodiment according to FIG. 1, the drawing is caused by the difference between the speed at which the filament 2 leaves the filament nozzle of the nozzle head 1 and the higher drawing speed of the drawing roller 2.
This is done by the pull-out roller unit 11. This difference is adjustable and can be adjusted, for example, to obtain pre-oriented filaments with a strength of 3-4 g/dtex.

第２図による実施形では、引出しローラユニット１１の
引出しローラ１２の機能は相違している。これら引出し
ローラは、入口側の１のところでは純粋な引出しローラ
として動作し、かつ出口側のｂのところでは延伸ローラ
として動作する。In the embodiment according to FIG. 2, the function of the pull-out rollers 12 of the pull-out roller unit 11 is different. These drawing rollers operate as pure drawing rollers at point 1 on the inlet side and as stretching rollers at point b on the outlet side.

延伸は、ゐのところの引出しローラの速度とｂのところ
のそれより高い延伸ローラの速度との差によって調節で
きる。この差は、延伸フィラメント力３．５〜６　ｇ／
　ｄｔｅｘの強さを有するように調節することができる
。The stretching can be adjusted by the difference between the speed of the drawing roller at a and the higher speed of the drawing roller at b. This difference is a drawing filament force of 3.5 to 6 g/
It can be adjusted to have the strength of dtex.

第１図による実施形においても第２図による実施形にお
いても、引出しローラ１２は加熱および／またはン令却
できる。In both the embodiment according to FIG. 1 and the embodiment according to FIG. 2, the pull-off roller 12 can be heated and/or cooled.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、本発明による装置の側面図、第２図は、第１
図による装置の別の実施例を示す図である。 １・・・ノズルヘッド、２・・・フィラメント、３・・
・引出しシュート、４・・・フリース形成装置、５・・
・フリース支持コンベヤベルト、６・・・吸入装置、７
・・・循環空気通路、８・・・押出し機、９・・・・・
・巻取り装ご、１０・・・糸フリース、１１・・・・・
・引出しローラユニット、１２・・・引出しローラ1 is a side view of the device according to the invention; FIG. 2 is a side view of the device according to the invention;
FIG. 4 shows another embodiment of the device according to the diagram; 1... Nozzle head, 2... Filament, 3...
・Drawer chute, 4... Fleece forming device, 5...
・Fleece support conveyor belt, 6... Suction device, 7
...Circulating air passage, 8...Extruder, 9...
・Windling, 10... Thread fleece, 11...
・Drawer roller unit, 12...Drawer roller

Claims (5)

【特許請求の範囲】[Claims] （１）フィラメントの幕が溶融液状に流出する並べた複
数のフィラメントノズルを有するノズルヘッド、引出し
シュート、少なくとも１つの拡散器を備えたフリース形
成装置、および吸入装置に備えたフリース支持コンベヤ
ベルトが設けられており、その際引出しシュート内に冷
却空気が導入可能である、合成ポリマー製の延伸フィラ
メントから糸フリースを製造する装置において、 引出しシュート（３）とフリース形成装置（４）の間に
、２つの平面内に配置された複数の引出しローラ（１２
）からなる引出しローラユニット（１１）が配置されて
おり、この引出しローラユニットの引出しローラ（１２
）を介してフィラメント（２）の幕が波形に案内されて
おり、また引出しシュート（３）が冷却シュートだけと
して構成されており、またフィラメント（２）の延伸が
、引出しローラユニット（１１）によりおよび／または
その中で行われていることを特徴とする糸フリースの製
造装置。(1) A fleece-forming device with a nozzle head having a plurality of side-by-side filament nozzles through which a curtain of filaments flows out in the form of a molten liquid, a withdrawal chute, a fleece-forming device with at least one diffuser, and a fleece-supporting conveyor belt with a suction device. In an apparatus for producing yarn fleece from drawn filaments made of synthetic polymers, in which a cooling air can be introduced into the drawer chute, between the drawer chute (3) and the fleece-forming device (4), two A plurality of pull-out rollers (12
) is disposed, and a pull-out roller unit (11) consisting of a pull-out roller unit (12) is arranged.
), the curtain of the filament (2) is guided in a corrugated manner, and the drawing chute (3) is constructed as a cooling chute only, and the drawing of the filament (2) is carried out by means of a drawing roller unit (11). and/or an apparatus for producing yarn fleece, characterized in that the process is carried out therein. （２）ノズルヘッド（１）のフィラメントノズルからフ
ィラメント（２）が出る速度とそれより高い引出しロー
ラ（１２）の引出し速度との間の差によって、延伸が調
節できる、特許請求の範囲第１項記載の装置。(2) The drawing can be adjusted by the difference between the speed at which the filament (2) emerges from the filament nozzle of the nozzle head (1) and the higher speed at which the filament (2) emerges from the drawing roller (12). The device described. （３）引出しローラユニット（１１）が、入口側引出し
ローラ（ａ）および出口側延伸ローラ（ｂ）を有し、ま
た引出しローラ（ａ）の速度とそれより高い延伸ローラ
（ｂ）の速度との間の差により、延伸が調節できる、特
許請求の範囲第１項記載の装置。(3) The drawing roller unit (11) has an entrance side drawing roller (a) and an exit side drawing roller (b), and the speed of the drawing roller (a) is higher than that of the drawing roller (b). 2. The device according to claim 1, wherein the stretching can be adjusted by the difference between . （４）フィラメントの幕が溶融液状に流出する並べた複
数のフィラメントノズルを有するノズルヘッド、引出し
シュート、少なくとも１つの拡散器を備えたフリース形
成装置、および吸入装置に備えたフリース支持コンベヤ
ベルトが設けられておりその際引出しシュート内に冷却
空気が導入可能である、合成ポリマー製の延伸フィラメ
ントから糸フリースを製造する装置の運転方法において
、フィラメントノズルからフィラメントが出る速度と引
出しローラの引出し速度との間の差を、３〜４ｇ／ｄｔ
ｅｘの強さのあらかじめ配向したフィラメントが得られ
るように調節することを特徴とする、糸フリースの製造
装置の運転方法。(4) a fleece-forming device with a nozzle head having a plurality of aligned filament nozzles from which the curtain of filaments flows out in molten liquid form, a withdrawal chute, at least one diffuser, and a fleece-supporting conveyor belt with an inhalation device; In a method of operating an apparatus for producing yarn fleece from drawn filaments made of synthetic polymers, in which cooling air can be introduced into the drawing chute, the speed at which the filaments emerge from the filament nozzle and the drawing speed of the drawing rollers are The difference between 3 to 4 g/dt
1. A method for operating a yarn fleece manufacturing apparatus, which comprises adjusting the yarn fleece manufacturing apparatus to obtain pre-oriented filaments of ex strength. （５）フィラメントの幕が溶融液状に流出する並べた複
数のフィラメントノズルを有するノズルヘッド、引出し
シュート、少なくとも１つの拡散器を備えたフリース形
成装置、および吸入装置に備えたフリース支持コンベヤ
ベルトが設けられており、その際引出しシュート内に冷
却空気が導入可能である、合成ポリマー製の延伸フィラ
メントから糸フリースを製造する装置の運転方法におい
て、 引出しローラの速度と延伸ローラの速度との間の差を３
．５〜６ｇ／ｄｔｅｘの強さの配向フィラメントが得ら
れるように調節することを特徴とする、糸フリースの製
造装置の運転方法。(5) a fleece-forming device with a nozzle head having a plurality of side-by-side filament nozzles from which the curtain of filaments flows out in molten liquid form, a withdrawal chute, at least one diffuser, and a fleece-supporting conveyor belt with an inhalation device; In a method of operating an apparatus for producing yarn fleece from drawn filaments made of synthetic polymers, in which a cooling air can be introduced into the drawing chute, the difference between the speed of the drawing roller and the speed of the drawing roller 3
．． A method for operating a yarn fleece manufacturing apparatus, characterized in that the method is adjusted to obtain oriented filaments having a strength of 5 to 6 g/dtex.
JP62018797A 1986-02-07 1987-01-30 Apparatus for producing yarn fleece and operation thereof Granted JPS62268863A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3603814.8 1986-02-07
DE19863603814 DE3603814A1 (en) 1986-02-07 1986-02-07 Apparatus for the production of a thread nonwoven and process for operating such an apparatus

Publications (2)

Publication Number Publication Date
JPS62268863A true JPS62268863A (en) 1987-11-21
JPH028065B2 JPH028065B2 (en) 1990-02-22

Family

ID=6293602

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62018797A Granted JPS62268863A (en) 1986-02-07 1987-01-30 Apparatus for producing yarn fleece and operation thereof

Country Status (3)

Country Link
JP (1) JPS62268863A (en)
DE (2) DE3645330C2 (en)
IT (1) IT1206754B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3728002A1 (en) * 1987-08-22 1989-03-02 Freudenberg Carl Fa METHOD AND DEVICE FOR PRODUCING SPINNING FLEECE
DE4032523C2 (en) * 1990-10-11 1995-04-27 Fischer Karl Ind Gmbh Method and device for producing spunbonded nonwovens
DE4102650A1 (en) * 1991-01-30 1992-08-06 Silver Plastics Gmbh & Co Kg METHOD AND DEVICE FOR PRODUCING A SPINNING FLEECE FROM SYNTHETIC POLYMER
DE4237298C2 (en) * 1992-10-05 1996-04-18 Silver Plastics Gmbh & Co Kg Hydrophobic composite material made of non-woven layers made of thermoplastic
IT1303748B1 (en) * 1998-11-12 2001-02-23 Fare Spa PROCEDURE AND PLANT FOR THE PRODUCTION OF FIBER-SYNTHETIC PADS OR CONTINUOUS STRENGTHS, HIGH STRENGTH, OBTAINED
DE10322460B4 (en) * 2003-05-16 2007-02-08 Corovin Gmbh Method and apparatus for producing a spunbonded web of filaments of broken fibers, filaments of broken fibers and nonwoven web
TW202138648A (en) * 2020-02-24 2021-10-16 奧地利商蘭仁股份有限公司 Process and device for the production of spunbonded nonwoven

Citations (3)

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Publication number Priority date Publication date Assignee Title
US3338992A (en) * 1959-12-15 1967-08-29 Du Pont Process for forming non-woven filamentary structures from fiber-forming synthetic organic polymers
JPS4985370A (en) * 1972-12-19 1974-08-15
JPS5751858A (en) * 1980-09-09 1982-03-26 Asahi Chemical Ind Production of polyolefine nonwoven fabric

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Publication number Priority date Publication date Assignee Title
NL64060C (en) * 1943-03-10
US3402227A (en) * 1965-01-25 1968-09-17 Du Pont Process for preparation of nonwoven webs
CH509450A (en) * 1965-07-29 1971-06-30 Snia Viscosa Non-woven fabric prodn
DE2014240A1 (en) * 1970-03-25 1971-10-14 Metallgesellschaft Ag, 6000 Frankfurt Process for the production of different random nonwovens on one production line

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3338992A (en) * 1959-12-15 1967-08-29 Du Pont Process for forming non-woven filamentary structures from fiber-forming synthetic organic polymers
JPS4985370A (en) * 1972-12-19 1974-08-15
JPS5751858A (en) * 1980-09-09 1982-03-26 Asahi Chemical Ind Production of polyolefine nonwoven fabric

Also Published As

Publication number Publication date
DE3603814A1 (en) 1987-08-13
DE3645330C2 (en) 1999-10-07
IT8719264A0 (en) 1987-02-05
IT1206754B (en) 1989-05-03
JPH028065B2 (en) 1990-02-22
DE3603814C2 (en) 1989-01-26

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