EP0516964B1 - Verfahren und Vorrichtung zur Vliesbildung aus vertikal abgelegtem Flor - Google Patents

Verfahren und Vorrichtung zur Vliesbildung aus vertikal abgelegtem Flor Download PDF

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Publication number
EP0516964B1
EP0516964B1 EP92107056A EP92107056A EP0516964B1 EP 0516964 B1 EP0516964 B1 EP 0516964B1 EP 92107056 A EP92107056 A EP 92107056A EP 92107056 A EP92107056 A EP 92107056A EP 0516964 B1 EP0516964 B1 EP 0516964B1
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EP
European Patent Office
Prior art keywords
spikes
cylinder
feed
compression
layers
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
EP92107056A
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German (de)
English (en)
French (fr)
Other versions
EP0516964A1 (de
Inventor
Radko Prof. Ing. Dr. Krcma
Jaroslav Hanus
Richard Schmidt
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.)
INCOTEX statni podnik ekonomickoorganizacni ustav
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INCOTEX statni podnik ekonomickoorganizacni ustav
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Publication of EP0516964A1 publication Critical patent/EP0516964A1/de
Application granted granted Critical
Publication of EP0516964B1 publication Critical patent/EP0516964B1/de
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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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/64—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
    • D04H1/655—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions characterised by the apparatus for applying bonding agents
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/736—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged characterised by the apparatus for arranging fibres
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/74—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being orientated, e.g. in parallel (anisotropic fleeces)

Definitions

  • the invention relates to a method and a device for producing a nonwoven fabric from vertically folded fibrous web of the genera specified in the respective preamble of claims 1 and 5.
  • the properties of textile fabrics are essentially determined by their structure and in particular by the orientation of the fibers in the textile material. This fiber orientation influences both the deformation properties of the textile material as well as its permeability to gases and liquids and the insulating properties against heat and noise.
  • a generic device in which the fibrous web is fed vertically to a forming device which has a rotationally driven working cylinder equipped with compression mandrels.
  • the compression mandrels are counter to the direction of rotation, ie they are bent backwards and engage between the tines of an upper horizontal guide element which, with the upper run of a belt conveyor, delimits a gap in which the nonwoven fabric formed from closely spaced vertical lamellae is produced and removed in the discharge direction.
  • a plunger arrangement is provided in the inlet area of the working cylinder, the plunger of which can be moved back and forth with each feed movement penetrates into an intermediate space between adjacent compression mandrels and thereby pushes the fiber web fed tangentially to the flight circle of the compression mandrels into this intermediate space to form a fold. Due to the rotary movement of the working cylinder and the backward-curved shape of the compression mandrels, these folds are pushed into the gap between the comb-like guide element and the lower conveyor run and formed into the upright lamellae. Due to the orientation of the lamellae perpendicular to the plane of the nonwoven fabric, a high bulk and high dam and insulation properties are achieved. However, the performance of this device is limited due to the necessary reciprocating movements of the ram.
  • a similar device for producing a fiber fleece consisting of vertical pile lamellae which also contains a working cylinder and a guide wall as a forming device for folding the vertically fed fiber pile, the lower arcuate part of which is approximately tangential to the flight circle or to the rear curved compression mandrels.
  • the vertically fed fiber web is gripped by the tips of the compression mandrel and pushed in the form of vertical folds into the gap between the upper run of a belt conveyor and an upper comb-like guide element.
  • the pile folds are compressed to the lamellae lying close together because of the feed movement in the gap space.
  • a method and a device for producing a nonwoven fabric with essentially vertically oriented individual fibers which has a feed device consisting of conveyor belts for a tangled fibrous web and a work roll fitted with wires or spikes, which is surrounded by a guide wall extending over part of its circumference.
  • a certain orientation of the fibers in the vertical direction is achieved by an air stream which is directed approximately tangentially at the outlet region of the working cylinder to the inlet region of the discharge device.
  • the object of the invention is to provide a method and an apparatus for producing a nonwoven fabric from vertically folded fiber web, which, when the fiber web or possibly other sheet material is forcibly fed in, enables maximum feed speeds of the fiber web and the formation of lamellae with precisely defined sizes and shapes.
  • the device according to the invention contains a feed device which has feed discs with a roughened surface which engage between the compression mandrels of the working cylinder.
  • the shape of the compression mandrels is chosen so that the gap between the pressure side and the opposite side determines the maximum pile length, which can be introduced into this column by the feed discs.
  • These pile lengths are formed into folds by being pushed into the gap between the conveyor trained transport element and the comb-shaped guide element compressed to upright slats. The fold last inserted is pushed into this gap space by the convexly shaped flank of the arched compression mandrel.
  • the height of the lamella formed in this way can be regulated by the ratio of the feed speed of the fiber web and the rotational speed of the compression mandrels.
  • the helix angles of the lamellae in the nonwoven formed can be regulated by a shaping cylinder attached to the lower side, the spikes of which engage in recesses in the arcuate guide wall 4 and also in the space between the working disks.
  • the device shown in FIG. 1 for the production of fiber web from vertically fed fiber web 16 contains a feed cylinder 1 consisting of feed disks 2 and an arcuate guide pan 3, to which a guide wall 4 is connected after the clamping point A, which together with a comb 8 and a Conveyor belt 11 of the hot air chamber forms a gap in which the lamellae 17 from the fiber web 16 are inserted by means of compression mandrels 7 on working disks 6 of a working cylinder 5.
  • the compression mandrels 7 of the working disks 6 are shaped according to involutes whose starting points connect a straight line.
  • the radius of the base line of the involute, which circumscribes the outer working edge of the working mandrel 7, is smaller than the radius of the base circular line of that involute, which circumscribes part of the inner edge of the working mandrel 7.
  • a device 14 for applying powdered binder is attached above the space of the penetration of the feed disks 2 and the working mandrels 7 of the working disks 6 of the working cylinder 5, which binder partly gets stuck in the formed nonwoven and partly falls onto a textile 15 falling off the conveyor belt 11 the hot air chamber is worn. This creates a textile structure made of fleece and a textile 15 glued to the lower edge.
  • the device shown in Fig. 2 of nonwoven fabric from vertically fed fiber pile 16 contains a feed cylinder 1, which consists of feed discs 2, and a feed pan 3, to which behind the clamping point A, the guide surface 4 is connected, which together with the comb 8 and the Conveyor 11 of the warm air chamber forms a gap, in which the compression mandrels 7 Working discs 6 of the working cylinder 5, the fins 17 are inserted from the batt 16.
  • the guide surface 4 is provided with grooves through which mandrels 13 of a shaping cylinder 12 enter the space between the comb 8 and the guide surface 4, which regulate the end position of the lamellae 17 in the structure formed.
  • the device shown in FIG. 3 for the production of nonwoven fabric from vertically deposited fibrous web 16 contains a feed cylinder 1 composed of feed disks 2 and a feed pan 3, to which the guide surface 4 is connected behind the clamping point A.
  • the arcuate guide surface 4 forms, together with the comb-like guide element 8 and the conveyor 11, a gap in which the slats 17 from the fiber web 16 are inserted by means of upsetting wires 9 on the working cylinder 5.
  • the upsetting wires 9 are elastic, which enables their elastic deformation after abutment on a strip 10, which adjusts the path of the upsetting wires 9, on which they leave the fiber web from the lamellae 17.
  • the final inclination of the lamellae in the fibrous web is influenced, on the one hand, and on the other hand the accuracy of the shaping of the individual lamellae is influenced even before they are pressed together into the fleece. Furthermore, this embodiment according to FIG. 3 prevents individual fibers from being pulled out of the fibrous web beyond the comb 8.
  • the device enables the production of high-bulk nonwovens and, together with a high-performance card set and a warm air chamber, forms a production line, the technical and economic lines of which Parameters significantly exceed the previously known technology.
  • the investment costs for the built-up area and for the machines are significantly reduced. Furthermore, the energy demand and the number of workers required to operate the road are significantly reduced.
  • the products are mainly found in the clothing industry as heat-insulating insert materials, in the furniture industry as elastic fillers, in the automotive and construction industries as heat and noise insulation and the like. a. Use.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nonwoven Fabrics (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Looms (AREA)
EP92107056A 1991-06-07 1992-04-24 Verfahren und Vorrichtung zur Vliesbildung aus vertikal abgelegtem Flor Expired - Lifetime EP0516964B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CS1743/91 1991-06-07
CS911743A CZ280153B6 (cs) 1991-06-07 1991-06-07 Zařízení na vrstvení rouna z vertikálně ukládané pavučiny

Publications (2)

Publication Number Publication Date
EP0516964A1 EP0516964A1 (de) 1992-12-09
EP0516964B1 true EP0516964B1 (de) 1996-11-27

Family

ID=5352575

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92107056A Expired - Lifetime EP0516964B1 (de) 1991-06-07 1992-04-24 Verfahren und Vorrichtung zur Vliesbildung aus vertikal abgelegtem Flor

Country Status (6)

Country Link
EP (1) EP0516964B1 (cs)
AT (1) ATE145680T1 (cs)
CZ (1) CZ280153B6 (cs)
DE (1) DE59207570D1 (cs)
ES (1) ES2097237T3 (cs)
SK (1) SK174391A3 (cs)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6486379B1 (en) 1999-10-01 2002-11-26 Kimberly-Clark Worldwide, Inc. Absorbent article with central pledget and deformation control
US6492574B1 (en) 1999-10-01 2002-12-10 Kimberly-Clark Worldwide, Inc. Center-fill absorbent article with a wicking barrier and central rising member
US6613955B1 (en) 1999-10-01 2003-09-02 Kimberly-Clark Worldwide, Inc. Absorbent articles with wicking barrier cuffs
US6660903B1 (en) 1999-10-01 2003-12-09 Kimberly-Clark Worldwide, Inc. Center-fill absorbent article with a central rising member
US6700034B1 (en) 1999-10-01 2004-03-02 Kimberly-Clark Worldwide, Inc. Absorbent article with unitary absorbent layer for center fill performance
US6764477B1 (en) 1999-10-01 2004-07-20 Kimberly-Clark Worldwide, Inc. Center-fill absorbent article with reusable frame member

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19722001C2 (de) * 1997-05-27 1999-08-12 Ake Innotech Automatisierung K Vorrichtung zur Vliesbildung
AU3432100A (en) 1999-04-06 2000-10-23 Sai Automotive Sommer Industrie Device and method for making textile products from fibres and/or filaments
US6588080B1 (en) 1999-04-30 2003-07-08 Kimberly-Clark Worldwide, Inc. Controlled loft and density nonwoven webs and method for producing
US6867156B1 (en) 1999-04-30 2005-03-15 Kimberly-Clark Worldwide, Inc. Materials having z-direction fibers and folds and method for producing same
CZ291338B6 (cs) * 1999-06-29 2003-02-12 Parsons Charles F. Způsob a zařízení na výrobu vertikálně vrstvených objemných textilií
US6635136B2 (en) 2000-03-30 2003-10-21 Kimberly-Clark Worldwide, Inc. Method for producing materials having z-direction fibers and folds
CZ306111B6 (cs) * 2007-04-23 2016-08-10 Technická univerzita v Liberci Zařízení pro vytváření textilie definované tloušťky

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT205335B (de) * 1957-05-15 1959-09-25 Otto Dr Angleitner Vorrichtung zur Bildung eines Vlieses aus Fasermaterial
FR1541681A (fr) * 1966-05-21 1968-10-11 Freudenberg Carl Fa Procédé d'étirage uniforme d'une étoffe non tissée
DE2050141A1 (en) * 1969-10-24 1971-04-29 Elttex Zavody texttlmho strojirenst vi generalm rzeditelstvi, Reichenberg (Tschechoslowakei) Fabric bulking process
CS269300B1 (en) * 1988-06-13 1990-04-11 Krcma Radko Device for bulky fibrous layer production
FR2649130B1 (fr) * 1989-06-30 1991-10-04 Sommer Sa Procede et dispositif de fabrication de produits textiles a partir de fibres et/ou filaments et produits obtenus

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6486379B1 (en) 1999-10-01 2002-11-26 Kimberly-Clark Worldwide, Inc. Absorbent article with central pledget and deformation control
US6492574B1 (en) 1999-10-01 2002-12-10 Kimberly-Clark Worldwide, Inc. Center-fill absorbent article with a wicking barrier and central rising member
US6613955B1 (en) 1999-10-01 2003-09-02 Kimberly-Clark Worldwide, Inc. Absorbent articles with wicking barrier cuffs
US6660903B1 (en) 1999-10-01 2003-12-09 Kimberly-Clark Worldwide, Inc. Center-fill absorbent article with a central rising member
US6677498B2 (en) 1999-10-01 2004-01-13 Kimberly-Clark Worldwide, Inc. Center-fill absorbent article with a wicking barrier and central rising member
US6689935B2 (en) 1999-10-01 2004-02-10 Kimberly-Clark Worldwide, Inc. Absorbent article with central pledget and deformation control
US6700034B1 (en) 1999-10-01 2004-03-02 Kimberly-Clark Worldwide, Inc. Absorbent article with unitary absorbent layer for center fill performance
US6764477B1 (en) 1999-10-01 2004-07-20 Kimberly-Clark Worldwide, Inc. Center-fill absorbent article with reusable frame member

Also Published As

Publication number Publication date
CZ280153B6 (cs) 1995-11-15
SK174391A3 (en) 1995-07-11
DE59207570D1 (de) 1997-01-09
ES2097237T3 (es) 1997-04-01
ATE145680T1 (de) 1996-12-15
CS174391A3 (en) 1992-12-16
EP0516964A1 (de) 1992-12-09

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