EP3771759B1 - Manchon d'un rouleau à peindre comprenant une matière non tissée - Google Patents

Manchon d'un rouleau à peindre comprenant une matière non tissée Download PDF

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Publication number
EP3771759B1
EP3771759B1 EP20184357.0A EP20184357A EP3771759B1 EP 3771759 B1 EP3771759 B1 EP 3771759B1 EP 20184357 A EP20184357 A EP 20184357A EP 3771759 B1 EP3771759 B1 EP 3771759B1
Authority
EP
European Patent Office
Prior art keywords
pile
fiber
layer
fibers
paint roller
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.)
Active
Application number
EP20184357.0A
Other languages
German (de)
English (en)
Other versions
EP3771759A1 (fr
Inventor
Anja Schumann
Ervin YILDIZ-FRANKE
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.)
Tenowo GmbH
Original Assignee
Tenowo GmbH
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
Priority claimed from DE102019126148.1A external-priority patent/DE102019126148A1/de
Application filed by Tenowo GmbH filed Critical Tenowo GmbH
Publication of EP3771759A1 publication Critical patent/EP3771759A1/fr
Application granted granted Critical
Publication of EP3771759B1 publication Critical patent/EP3771759B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/45—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by forming intermeshing loops or stitches from some of the fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
    • D04B21/145—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes with stitches drawn from loose fibres, e.g. web-knitted fabrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/02—Rollers ; Hand tools comprising coating rollers or coating endless belts
    • B05C17/0207—Rollers ; Hand tools comprising coating rollers or coating endless belts characterised by the cover, e.g. cover material or structure, special surface for producing patterns

Definitions

  • the invention relates to a paint roller or inking cylinder cover, having a pile fiber non-woven fabric.
  • the nonwoven material is based on a carded pile with a definable initial fiber position, which is reinforced by stitching to obtain a three-dimensional fiber arrangement.
  • a starting fiber mixture is laid to form a card web and then it is consolidated by means of intermeshing by one-sided fiber pile formation, with the fiber pile layer obtained being predominantly in the form of loops.
  • this has a pile fiber non-woven fabric in which some of the pile fibers have a vertical orientation and a loop shape.
  • paint rollers or paint rollers for distributing liquid substances such as paints, varnishes or other media over large areas, for example for painting walls, facades or ceilings or for applying floor coatings.
  • Such paint rollers or inking rollers have a holder with a handle on which a rotatable roller with an absorbent cover, which can also be replaced, is fixed.
  • a foam or velour that is to say a fabric with a pile layer, is used in a known manner as such a cover material for paint rollers or rollers.
  • Such velor can be made on the basis of two panels of fabric connected with additional warp threads. The warp threads are then severed so that the warp threads form a pile layer in which the threads are predominantly arranged vertically.
  • the material and the pile height can be suitably varied and adapted for use with different colors or varnishes and on different surfaces.
  • Short pile heights are recommended for smooth application substrates. Covers with pile heights or pile heights of up to 25 mm are used for heavily structured or rough surfaces in order to ensure application down to deep-lying areas.
  • nonwovens can be provided comparatively inexpensively.
  • non-woven fabrics previously proposed as a reference material are not suitable as a qualitatively equivalent velor substitute material.
  • the DE 41 06 295 A1 discloses a needle-punched nonwoven which, however, is also not sufficiently bulky and can only be used as an application agent in conjunction with an additional foam.
  • the US8695151B2 shows a needle-punched nonwoven in which a pile structure can be produced using special needles.
  • the disadvantage there is the poor dimensional stability, which makes an additional reinforcement layer necessary.
  • the achievable pole height of a maximum of 7 mm is too low and restricts that Field of application of such a material clearly.
  • the integration of the fibers in needle-punched nonwovens is rather poor, so that tearing of the fibers and formation of fluff must be expected when using a paint roller designed in this way.
  • a base layer one or more layers are successively pulled from additionally supplied fiber fleece by means of compound needles into the pile loop or pile fold heads of the pile layer of the base layer supplied in each case.
  • the fibers of the additionally supplied non-woven fabric are formed into a mesh layer and a pile layer.
  • the newly formed layer only penetrates the pile layer of the uppermost layer supplied in the area of the pile loops or pile fold heads. Ultimately, both sides are connected to each other.
  • Single-layer or multi-layer pile fleece knitted fabrics, pile fiber pleated knitted fabrics, pile thread knitted or woven fabrics can be supplied as the base layer. There are no indications of the use of such non-woven pile fabrics in connection with the problem of high absorbency.
  • a pile fabric consisting of a textile support structure with an edging of pile threads anchored in the support structure according to FIG EP 1 163 386 B1 .
  • the pile threads mainly consist of a multi-filament yarn, which contains fine filaments on the one hand and coarse filaments on the other hand, the titre of which is more than 25 times greater than the titer of the fine filaments.
  • a pile fabric is suitable for use as a massage pad or as a massage glove.
  • a paint roller which consists of a nonwoven fabric.
  • the nonwoven fabric preferably has dense, polar loops that attached to a base.
  • the non-woven fabric consists of a fiber fluorocarbon bonded by synthetic resin impregnation or spraying and wound around the paint roller in a plurality of layers.
  • the EP 0 069 335 A1 discloses a cover for the carrier body of paint rollers, which consists of pile fabric. Pile tufts or pile fibers consisting of yarn are anchored in a fabric.
  • the object of the invention is achieved by the combination of features of the applicable claim 1, directed to a paint roller or paint roller cover.
  • the nonwoven material according to the invention consists of a carded web with, for example, a longitudinally oriented initial fiber layer.
  • the carded web is strengthened by stitching while maintaining a three-dimensional fiber arrangement.
  • a fibrous pile layer is formed with a predominantly vertical fiber orientation, with the fibrous pile layer predominantly having a loop shape to avoid fiber tearing.
  • a mesh layer can be provided on both sides of the fiber pile layer, with the pile layer surface being additionally meshed in this regard.
  • the respective mesh layers may have a different density or porosity.
  • a backing made of a thermoplastic or thermally crosslinkable material is provided.
  • the pole height is in the range from 4 to 25 mm, preferably in the range between 7 and 22 mm.
  • binding fibers In one embodiment of the invention, 5 to 30% by mass of binding fibers can be added to the starting fiber mixture.
  • a starting fiber mixture is laid into a carded web.
  • a base web can be added during consolidation to increase the overall strength and dimensional stability of the final product.
  • a pile fiber nonwoven fabric in which some of the pile fibers have a vertical orientation and a loop shape, is used as a paint roller cover.
  • the pile fiber nonwoven fabric used i.e. a nonwoven fabric strengthened by stitch formation, in which some of the fibers have a predominantly vertical orientation and thus form a pile layer, is a new means in relation to the use presented here.
  • fibers of finite length ie so-called staple fibers
  • a carded web with a fiber layer that is preferably longitudinally oriented.
  • such a fibrous web can then be laid one on top of the other in several layers by means of cross layers, the fibers here being predominantly oriented transversely to the machine direction.
  • the starting fiber web produced in this way is fed to a consolidation unit.
  • the pile is pressed into a hook of the relevant compound needle with a brush-like darning element, with the result that a stitch is formed from the staple fibers when the needle is pulled back.
  • the nonwoven fabric After this consolidation, the nonwoven fabric has a fibrous pile layer and a mesh layer.
  • the surface of the pile layer can be made more uniform.
  • the mesh structure created from the staple fibers used in pile fiber non-woven fabrics ensures good binding of the fibers, which reduces fiber tearing during use.
  • the pile layer is predominantly in the form of loops.
  • the pile fleece structure can be varied from coarse to fine.
  • the mesh gauge i.e. the number of needles per unit of working width and the stitch length, also have a significant influence on the pile density and thus volume, appearance, strength and elongation of the nonwoven fabric as well as the integration of the fibers.
  • the nonwoven according to the invention can be easily adapted to the different requirements of the areas of application relevant here.
  • the surface of the pile layer can be additionally meshed in order to further minimize fiber tearing.
  • the pile fiber fleece fabric described is fed to a further work station with compound needles in such a way that the compound needles penetrate the pile layer, grasp the pile fibers and form them into a second mesh layer.
  • the result is a three-dimensional fleece fabric with meshed surfaces on both sides and a pile layer on the inside.
  • the meshing on the two sides with different machine parameters such as machine gauge or puncture depth, so that a first, denser and firmer side of the mesh and a second, more open side of the mesh are created.
  • the material has a sufficiently large pile height and absorbency so that, in contrast to previously known nonwovens, an additional layer of textile or foam for padding and/or improving absorbency can be dispensed with.
  • Fibers of natural origin for example wool, cotton or viscose, but also synthetic fibers such as polyester or polyamide, and any mixtures of different fibers can be used to produce the pile fiber nonwoven fabric.
  • the fineness of the fibers should be in the range from 2.5 to 22 dtex, preferably in the range from 3.3 to 15 dtex.
  • the staple length of the fibers is in the range from 27 to 120 mm, with a staple length of ⁇ 60 mm having turned out to be particularly advantageous in order to achieve good fiber binding and large pile heights.
  • the fiber mixture preferably contains a proportion of 5 to 30% by mass of binding fibers.
  • These binder fibers have a melting point that is at least 20°C below the melting or decomposition temperature of the other fiber materials.
  • the binding fibers can also be in the form of bi-component fibers, with the components having different melting temperatures and the component with the lower melting temperature acting as a binding agent.
  • Suitable binder fibers are based, for example, on polylactide, polypropylene or a core-sheath bicomponent fiber with a core of polyethylene terephthalate and a sheath of low-melting copolyester.
  • binding fibers of this type are used, after the bonding by means of stitch-bonding, a temperature treatment takes place, in which the nonwoven fabric is heated to a temperature above the melting point of the binding fibers, so that the binding fibers at least partially melt and create an adhesive connection between the remaining fibers. This increases fiber binding and further minimizes fiber tearing, as well as improving the dimensional stability of the product.
  • a backing made of a thermoplastic or thermally crosslinkable material can be applied to the side facing away from the pile layer.
  • This coating can take place, for example, in the form of an aqueous polymer dispersion based on polyacrylate or ethylene-vinyl acetate copolymer, as a fusible powder or as a hot-melt application.
  • a thermoplastic polymer such as polyester, polyethylene, polypropylene or polyurethane
  • the nonwovens according to the invention typically have a basis weight of 200 to 700 g/m 2 , preferably 300 to 550 g/m 2 , and a pile height of 4 to 25 mm, preferably 7 to 22 mm.
  • a first example is based on a fiber mixture made of polyester, 80% 7dtex, staple length 60 mm; 20% 12 dtex, staple length 76 mm, which is processed into a carded pile with longitudinally oriented fibers.
  • This fiber batt is fed with a compression ratio of 1:8 to a Malimo bonding unit, type Kunit, machine gauge F18, with one side being meshed to form a pile.
  • the kunit non-woven fabric produced in this way has a pile height of 9 mm with a weight per unit area of 400 g/m 2 .
  • a second example is based on a fiber blend of 72% polyester, 7 dtex, staple length 60 mm; 18% 12 dtex, staple length 76 mm, 10% core-sheath bicomponent fiber with a copolyester sheath and a melting point of approx. 130°C, 4.4 dtex, staple length 56 mm.
  • This mixture is processed into a carded pile with, for example, longitudinally oriented fibers.
  • the fiber batt is fed with a compaction of 1:8 to a Malimo type Kunit bonding unit with a mesh gauge of F18, with a first side being meshed to form a pile.
  • the pile side is then meshed with a small puncture depth in a Malimo bonding unit, type Multiknit, machine gauge F18.
  • the result is a multiknit non-woven fabric, which is then subjected to a temperature treatment at 160°C in a flatbed laminating machine.
  • a copolyester film with a basis weight of 70 g/m 2 and a melting point of 130° C. is fed to the laminating plant and laminated onto the first side of the mesh.
  • the material obtained in this way has a pile height of 7 mm with a multiknit nonwoven fabric weight per unit area of 450 g/m 2 .
  • a velor fabric known from the prior art made of 100% polyester with a backing made of ethylene-vinyl acetate copolymer has a pile height of 10 mm with a total weight per unit area of 620 g/m 2 .
  • a known needle-punched nonwoven made of 100% polyester has a pile height of 3 to 7 mm with a surface weight of 400 g/m 2 .

Landscapes

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

Claims (3)

  1. Revêtement pour rouleau à peinture ou cylindre à peinture, comprenant un tricot non tissé de fibres de poil dans lequel une partie des fibres de poil ont une orientation verticale et une forme bouclée,
    dans lequel
    un mélange de fibres de départ est posé en un voile de carde, puis une consolidation est effectuée au moyen d'un maillage et de la formation d'un poil de fibres sur une face, et la couche de poil de fibres obtenue est réalisée principalement sous forme de boucles.
  2. Revêtement pour rouleau à peinture ou cylindre à peinture selon la revendication 1,
    caractérisé en ce que
    un maillage supplémentaire de la surface de la couche de poil de fibres est effectué, ce maillage supplémentaire conduisant à une deuxième couche de mailles ayant une structure plus ouverte par rapport à la première couche de mailles.
  3. Revêtement pour rouleau à peinture ou cylindre à peinture selon la revendication 1 ou 2,
    caractérisé en ce que
    la consolidation est effectuée par compactage à l'aide d'un procédé de type Kunit ou Multiknit.
EP20184357.0A 2019-07-31 2020-07-07 Manchon d'un rouleau à peindre comprenant une matière non tissée Active EP3771759B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102019120750 2019-07-31
DE102019126148.1A DE102019126148A1 (de) 2019-07-31 2019-09-27 Vliesstoffmaterial

Publications (2)

Publication Number Publication Date
EP3771759A1 EP3771759A1 (fr) 2021-02-03
EP3771759B1 true EP3771759B1 (fr) 2023-05-10

Family

ID=71522994

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20184357.0A Active EP3771759B1 (fr) 2019-07-31 2020-07-07 Manchon d'un rouleau à peindre comprenant une matière non tissée

Country Status (1)

Country Link
EP (1) EP3771759B1 (fr)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD46202A1 (de) 1965-01-29 1966-03-05 Haase Dirk Farbroller
DE8119604U1 (de) * 1981-07-04 1981-09-24 Johs. Girmes & Co. AG, 4155 Grefrath Bezug aus polstoff fuer den traegerkoerper von malerrollen
DD282585A7 (de) * 1988-03-29 1990-09-19 Textiltech Forsch Verfahren zur herstellung eines vlies-gewirkes
DE4106295A1 (de) 1991-02-28 1992-09-03 Schlerf Coronet Werke Nadelvlies
DE4216462A1 (de) * 1992-05-19 1993-11-25 Chemnitz Textiltech Forsch Verfahren zur Herstellung voluminöser textiler Flächengebilde
DE4244904C2 (de) * 1992-06-23 1999-04-22 Mayer Malimo Textilmaschf Verfahren zur Herstellung eines großvolumigen Vliesstoffes
DE4235858A1 (de) * 1992-08-26 1994-03-03 Malimo Maschinenbau Verfahren und Vorrichtung zur Herstellung eines Vliesstoffes
DE19839418C1 (de) 1998-08-29 2000-06-29 Saechsisches Textilforsch Inst Verfahren zur Herstellung mehrschichtiger, voluminöser Polvlies-Gewirke
DE19912548A1 (de) 1999-03-19 2000-09-28 Gregor Kohlruss Polstoff
DE10036349A1 (de) * 2000-07-26 2002-02-14 Melitta Haushaltsprodukte Verwendung einer plüschartigen Textilie
US6675429B2 (en) 2001-01-05 2004-01-13 Polymer Group, Inc. Imaged nonwoven fabric for imparting an improved aesthetic texture to surfaces
US8695151B2 (en) 2004-12-28 2014-04-15 Wooster Brush Company Covers for paint rollers
DE102007031045A1 (de) * 2007-07-04 2009-01-08 Manfred Hunger Isotroper Polfaser-Vlieswirkstoff und Verfahren zu seiner Herstellung

Also Published As

Publication number Publication date
EP3771759A1 (fr) 2021-02-03

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