EP1340844B1 - Meltblown-Anlage - Google Patents

Meltblown-Anlage Download PDF

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Publication number
EP1340844B1
EP1340844B1 EP02004616A EP02004616A EP1340844B1 EP 1340844 B1 EP1340844 B1 EP 1340844B1 EP 02004616 A EP02004616 A EP 02004616A EP 02004616 A EP02004616 A EP 02004616A EP 1340844 B1 EP1340844 B1 EP 1340844B1
Authority
EP
European Patent Office
Prior art keywords
suction
meltblown
zone
collecting
zones
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.)
Expired - Lifetime
Application number
EP02004616A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1340844A1 (de
Inventor
Axel Becker
Hans-Peter Dr. Schlag
Hans-Georg Geus
Detlef Frey
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27675666&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1340844(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Reifenhaeuser GmbH and Co KG Maschinenenfabrik filed Critical Reifenhaeuser GmbH and Co KG Maschinenenfabrik
Priority to AT02004616T priority Critical patent/ATE374268T1/de
Priority to EP02004616A priority patent/EP1340844B1/de
Priority to ES02004616T priority patent/ES2290209T3/es
Priority to DE50210973T priority patent/DE50210973D1/de
Priority to DK02004616T priority patent/DK1340844T3/da
Priority to ARP030100554A priority patent/AR038538A1/es
Priority to MXPA03001671A priority patent/MXPA03001671A/es
Priority to BRPI0300319-1A priority patent/BR0300319B1/pt
Priority to IL154630A priority patent/IL154630A/en
Priority to CA002420517A priority patent/CA2420517C/en
Priority to KR1020030012232A priority patent/KR100897315B1/ko
Priority to US10/375,894 priority patent/US7004738B2/en
Priority to JP2003050816A priority patent/JP4229724B2/ja
Priority to MYPI20030693A priority patent/MY138472A/en
Priority to CNB031067832A priority patent/CN1261232C/zh
Priority to SA03240174A priority patent/SA03240174B1/ar
Publication of EP1340844A1 publication Critical patent/EP1340844A1/de
Publication of EP1340844B1 publication Critical patent/EP1340844B1/de
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D04H3/08—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
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/08—Melt spinning methods
    • D01D5/098—Melt spinning methods with simultaneous stretching
    • D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)

Definitions

  • the invention relates to a meltblown plant for the production of meltblown products, with a filament dispensing nozzle head, wherein below the nozzle head a continuously movable Ablegesiebband is arranged on which the filaments for Meltblown product can be stored and wherein the Ablegesiebband a suction device for suction is provided by air through the Ablegesiebband.
  • a meltblown plant or in the meltblown process the polymer melt emerging from the nozzle head is subjected to a blast air flow. As a result, polymer fibers are formed from the melt, which are then deposited to the meltblown product on the Ablegesiebband.
  • meltblown products are often obtained which have undesirable irregularities or inhomogeneities.
  • a more or less strong fiber fly often takes place in the extraction zone or in the region of the Ablegesiebbandes, which causes uncontrolled storage of the fibers and thus causes irregularities in the meltblown product.
  • These irregularities relate in particular to the product thickness, the air permeability and the ratio transverse strength / longitudinal strength of the produced fiber mat, as well as irregularities in the surface of the fiber mat Meltblown product. As a result, the product quality of the meltblown products leaves something to be desired.
  • meltblown plants of the type mentioned above can be made with the meltblown products that are characterized by homogeneity and uniformity in terms of their properties and in particular also have an optimal surface quality.
  • meltblown products should be able to be produced which have a uniform product thickness and a constant ratio between transverse strength and longitudinal strength.
  • the air permeability should be as constant as possible at different points of the meltblown product.
  • the invention teaches a meltblown plant of the type mentioned, which is characterized in that the reject screen has in its longitudinal direction a plurality of separate suction, that one of these Absaug Societye is the Ablegezone associated Hauptabsaug Colour and that in the Absaug Colouren the suction speeds are each independently adjustable.
  • the Ablegesiebbandes In the longitudinal direction of the Ablegesiebbandes means in the conveying direction or transport direction of Ablegesiebbandes.
  • the plurality of separate suction areas are thus arranged one behind the other in the conveying direction or transport direction of the Ablegesiebbandes.
  • depositing zone is meant the area of the reject screen, in which most of the filaments are deposited or in which all or almost all filaments are deposited.
  • the extraction speed can be set separately and independently of the other extraction areas.
  • Suction rate means the speed of the suctioned or sucked air in m / s.
  • the suction device or the suction fan of the suction device is arranged below the Ablegesiebbandes.
  • the nozzle head delivering the filaments is designed as a meltblown die. It is also within the scope of the invention that the nozzle head of the meltblown system has a plurality of nozzle bores or nozzle openings arranged in a row for the polymer melt outlet. After that, therefore, only a single row of nozzle openings is provided. Furthermore, the meltblown system according to the invention preferably has a longitudinal nozzle for the outlet of tempered blowing air, with which blowing air the polymer melt or the emerging filaments are acted upon.
  • At least three suction regions which are separate from one another are arranged in the longitudinal direction or in the conveying direction of the depositing screen belt one behind the other.
  • One of these suction areas is the Feldabsaug Colour.
  • four separate suction areas are provided and a first suction area and a second suction area with respect to the conveying direction of the Ablegesiebbandes arranged in front of the Hauptabsaug Colour and it is still a third suction in the conveying direction of Ablegesiebbandes behind the Hauptabsaug Colour arranged.
  • This embodiment with four separate suction regions has proven particularly useful in the context of the invention.
  • the extraction speed in the main suction area is higher than in the other extraction areas.
  • the suction speed in the main suction area is higher than the suction speeds in the first, in the second and in the third suction area.
  • the speed of extraction in the main suction area is at least twice as high as the extraction speed in each of the further suction areas.
  • the extraction speed in the main suction area is preferably at least twice as high as the extraction speed in the first suction area or in the second suction area.
  • the extraction speed in the main suction area is at least twice as high as the extraction speed in the third suction area.
  • each suction area is assigned its own suction fan.
  • the suction device of the meltblown system thus comprises a plurality of suction fans.
  • the suction speed can be set separately for each suction fan on each suction fan.
  • the aspirated volume flows can be set completely independently of each other.
  • the setting can be made with the proviso that the suction in the Hauptabsaug Scheme twice as large as in each of the other Absaug Kunststoffe.
  • the individual suction areas are separated by boundary walls made of sheet metal. These are preferably vertically oriented metal sheets. Vertical also means essentially vertical.
  • the invention is based on the finding that the storage of a meltblown product or a nonwoven web can be optimally and reliably controlled with the meltblown system according to the invention.
  • an undesired fiber fly in the region of the Ablegesiebbandes can be excluded or effectively reduced.
  • a very uniform yarn placement can be achieved and inhomogeneities in the stored meltblown product can be surprisingly minimized to a large extent. Disturbing thick spots or thin spots in the produced meltblown product are not observed. Even disturbing inhomogeneities with respect to the air permeability of the web or with respect to the ratio transverse strength / longitudinal strength can be excluded.
  • the main suction region can be made shorter than the suction region existing in the meltblown systems known from practice with respect to the longitudinal direction or transport direction of the deposition sieve belt.
  • the single suction region in the laying zone which requires a high suction speed, would have to be made wider in the transport direction of the laying sieve belt. In the known meltblown systems, therefore, an unnecessarily high volume flow is sucked off, which in turn means a high expenditure of energy.
  • the figures show a meltblown plant according to the invention for the production of meltblown products, namely nonwoven webs.
  • the meltblown system has a nozzle head 1, from whose nozzle openings 2 filaments 3 are extruded.
  • the nozzle head 1 has a row with a plurality of nozzle openings 2.
  • the filaments 3 are acted upon by tempered blowing air 4, whose flow direction is represented in the figures by corresponding arrows.
  • a continuously movable Ablegesiebband 5 is arranged, on which the filaments 3 to the meltblown nonwoven web can be stored. Through the reject strainer 5 air is sucked, so that the filaments 3 are sucked onto the Ablegesiebband as it were.
  • the Ablegesiebband 5 four separate suction areas 6, 7, 8, 9.
  • One of these suction areas 6, 7, 8, 9 is the main suction area 8 assigned to the laying zone.
  • Laying area means the area on the laying screen belt 5 on which at least the largest part of the filaments 3 is deposited.
  • the extraction speeds in the suction regions 6, 7, 8, 9 are each independently adjustable.
  • the extraction speed in the main suction area 8 is higher than in the other suction areas 6, 7, 9.
  • the suction speed in the second suction area 7 is expediently higher than the suction speed in the first suction area 6.
  • Each suction area 6, 7, 8, 9 is more preferred Embodiment of the invention associated with its own (not shown) suction fan.
  • the suction speed for the respective suction area 6, 7, 8, 9 can be set separately at each suction fan and it is an independent control and / or regulation of the suction air flow in each suction area 6, 7, 8, 9 possible.
  • the individual extraction areas are separated by boundary walls 10 made of sheet metal.
  • the emerging filaments 3 and the flow direction of the blowing air 4 and also the flow direction of the sucked secondary air 11 can be seen.
  • the invention can be divided into different suction areas 6, 7, 8, 9 both the direction of Blas Kunststoff 4 and the direction of the secondary air 11 are influenced so that a very reliable and uniform storage of the filaments is possible and thus surprisingly homogeneous product properties can be achieved.
  • the invention located behind the Hauptabsaug Scheme 8 third suction 9 serves according to the invention for effective retention of the produced meltblown product on the Ablegesiebband 5.
  • the invention is based on the finding that without this third Absaug Scheme 9 an undesirable impairment of the stored meltblown product by the with high speed exiting blowing air can be sucked secondary air.
  • the subdivision according to the invention into the suction regions 6, 7, 8, 9 minimizes disturbing and undesired influences of the air currents.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Moulding By Coating Moulds (AREA)
EP02004616A 2002-02-28 2002-02-28 Meltblown-Anlage Expired - Lifetime EP1340844B1 (de)

Priority Applications (16)

Application Number Priority Date Filing Date Title
AT02004616T ATE374268T1 (de) 2002-02-28 2002-02-28 Meltblown-anlage
EP02004616A EP1340844B1 (de) 2002-02-28 2002-02-28 Meltblown-Anlage
ES02004616T ES2290209T3 (es) 2002-02-28 2002-02-28 Instalacion de fundicion por soplado.
DE50210973T DE50210973D1 (de) 2002-02-28 2002-02-28 Meltblown-Anlage
DK02004616T DK1340844T3 (da) 2002-02-28 2002-02-28 Meltblown-anlæg
ARP030100554A AR038538A1 (es) 2002-02-28 2003-02-20 Instalacion meltblown
MXPA03001671A MXPA03001671A (es) 2002-02-28 2003-02-25 Aparato para soplado en fusion de materiales polimericos.
IL154630A IL154630A (en) 2002-02-28 2003-02-26 "Melt and volume" means for a nonwoven fabric creation device
BRPI0300319-1A BR0300319B1 (pt) 2002-02-28 2003-02-26 disposiÇço soprada em fusço.
CA002420517A CA2420517C (en) 2002-02-28 2003-02-27 Melt blown arrangement
KR1020030012232A KR100897315B1 (ko) 2002-02-28 2003-02-27 멜트 블로운 장치
US10/375,894 US7004738B2 (en) 2002-02-28 2003-02-27 Apparatus for producing melt-blown webs
JP2003050816A JP4229724B2 (ja) 2002-02-28 2003-02-27 メルトブロー装置
MYPI20030693A MY138472A (en) 2002-02-28 2003-02-27 Apparatus for producing melt-blown webs
CNB031067832A CN1261232C (zh) 2002-02-28 2003-02-28 熔喷装置
SA03240174A SA03240174B1 (ar) 2002-02-28 2003-06-29 جهاز لإنتاج شبكات مشكلة بنفخ الصهارة melt-blown webs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02004616A EP1340844B1 (de) 2002-02-28 2002-02-28 Meltblown-Anlage

Publications (2)

Publication Number Publication Date
EP1340844A1 EP1340844A1 (de) 2003-09-03
EP1340844B1 true EP1340844B1 (de) 2007-09-26

Family

ID=27675666

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02004616A Expired - Lifetime EP1340844B1 (de) 2002-02-28 2002-02-28 Meltblown-Anlage

Country Status (16)

Country Link
US (1) US7004738B2 (ja)
EP (1) EP1340844B1 (ja)
JP (1) JP4229724B2 (ja)
KR (1) KR100897315B1 (ja)
CN (1) CN1261232C (ja)
AR (1) AR038538A1 (ja)
AT (1) ATE374268T1 (ja)
BR (1) BR0300319B1 (ja)
CA (1) CA2420517C (ja)
DE (1) DE50210973D1 (ja)
DK (1) DK1340844T3 (ja)
ES (1) ES2290209T3 (ja)
IL (1) IL154630A (ja)
MX (1) MXPA03001671A (ja)
MY (1) MY138472A (ja)
SA (1) SA03240174B1 (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6499982B2 (en) 2000-12-28 2002-12-31 Nordson Corporation Air management system for the manufacture of nonwoven webs and laminates
US6799957B2 (en) 2002-02-07 2004-10-05 Nordson Corporation Forming system for the manufacture of thermoplastic nonwoven webs and laminates
ES2298302T5 (es) * 2002-02-28 2011-02-24 REIFENHÄUSER GMBH & CO. KG MASCHINENFABRIK Instalación para la fabricación continua de una banda de velo de hilatura.
WO2005093138A1 (de) * 2004-03-26 2005-10-06 Saurer Gmbh & Co. Kg Verfahren und vorrichtung zum schmelzspinnen synthetischer feiner fasern
US7316552B2 (en) * 2004-12-23 2008-01-08 Kimberly-Clark Worldwide, Inc. Low turbulence die assembly for meltblowing apparatus
PL1930492T3 (pl) * 2006-12-06 2011-03-31 Reifenhaeuser Masch Sposób i urządzenie do wytwarzania włókniny "spod filiery"
EP1939334B1 (en) * 2006-12-15 2010-02-24 FARE' S.p.A. Apparatus and process for the production of a spunbond web
ATE502141T1 (de) * 2007-01-31 2011-04-15 Oerlikon Textile Gmbh & Co Kg Verfahren und vorrichtung zur ansaugung und ablagerung mehrerer fasern zur formung eines vliesstoffs
US20130269154A1 (en) * 2010-10-21 2013-10-17 Norbert Kühl Method and apparatus for producing a composite nonwoven
US10240257B2 (en) * 2014-09-15 2019-03-26 Clarcor Inc. Systems and methods for controlled laydown of materials in a fiber production system
WO2019104240A1 (en) 2017-11-22 2019-05-31 Extrusion Group, LLC Meltblown die tip assembly and method
TWI827634B (zh) * 2018-07-17 2024-01-01 奧地利商蘭仁股份有限公司 用於從紡絲黏合織物之生產中的處理空氣分離溶劑之方法及裝置
CN115434077B (zh) * 2018-11-30 2023-12-29 宝洁公司 用于制备通流粘结的非织造纤维网的方法
PL3771762T3 (pl) * 2019-07-30 2021-11-08 Reifenhäuser GmbH & Co. KG Maschinenfabrik Urządzenie i sposób do wytwarzania włókniny z włókien

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5346943B2 (ja) * 1973-03-13 1978-12-18
US3878014A (en) * 1973-04-30 1975-04-15 Beloit Corp Process for matting melt blow microfibers
DE3400847C1 (de) * 1984-01-12 1985-08-29 Fa. Carl Freudenberg, 6940 Weinheim Verfahren zur Herstellung von Spinnvliesen aus aerodynamisch verstreckten Faeden
JP2811588B2 (ja) * 1989-12-07 1998-10-15 興研株式会社 模様入り積層不織布の製造装置
DE19913162C1 (de) * 1999-03-24 2000-11-09 Reifenhaeuser Masch Vorrichtung zum Herstellen einer Vliesbahn aus thermoplastischen Polymerfilamenten
DE19940333B4 (de) * 1999-08-25 2004-03-25 Reifenhäuser GmbH & Co Maschinenfabrik Anlage für die Herstellung einer Spinnvliesbahn aus Kunststoffilamenten
US6499982B2 (en) * 2000-12-28 2002-12-31 Nordson Corporation Air management system for the manufacture of nonwoven webs and laminates
ES2298302T5 (es) * 2002-02-28 2011-02-24 REIFENHÄUSER GMBH & CO. KG MASCHINENFABRIK Instalación para la fabricación continua de una banda de velo de hilatura.

Also Published As

Publication number Publication date
CN1261232C (zh) 2006-06-28
MXPA03001671A (es) 2005-03-07
JP4229724B2 (ja) 2009-02-25
DK1340844T3 (da) 2007-11-12
BR0300319A (pt) 2004-09-08
IL154630A0 (en) 2003-09-17
EP1340844A1 (de) 2003-09-03
KR100897315B1 (ko) 2009-05-14
AR038538A1 (es) 2005-01-19
KR20030071544A (ko) 2003-09-03
ATE374268T1 (de) 2007-10-15
IL154630A (en) 2007-06-17
BR0300319B1 (pt) 2012-12-25
US20040009251A1 (en) 2004-01-15
ES2290209T3 (es) 2008-02-16
MY138472A (en) 2009-06-30
US7004738B2 (en) 2006-02-28
SA03240174B1 (ar) 2006-11-25
JP2004003079A (ja) 2004-01-08
CA2420517C (en) 2006-08-01
DE50210973D1 (de) 2007-11-08
CA2420517A1 (en) 2003-08-28
CN1440840A (zh) 2003-09-10

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