AU2008201959B2 - A method for the manufacture of a deformable tufted product, a deformable tufted product, in particular a deformable tufted carpet top layer, in particular for the interiors of automobiles - Google Patents
A method for the manufacture of a deformable tufted product, a deformable tufted product, in particular a deformable tufted carpet top layer, in particular for the interiors of automobiles Download PDFInfo
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- AU2008201959B2 AU2008201959B2 AU2008201959A AU2008201959A AU2008201959B2 AU 2008201959 B2 AU2008201959 B2 AU 2008201959B2 AU 2008201959 A AU2008201959 A AU 2008201959A AU 2008201959 A AU2008201959 A AU 2008201959A AU 2008201959 B2 AU2008201959 B2 AU 2008201959B2
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- AU
- Australia
- Prior art keywords
- tufted
- deformable
- preferred
- tuft
- meltblown nonwoven
- 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.)
- Ceased
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Classifications
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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
- D04H11/00—Non-woven pile fabrics
- D04H11/08—Non-woven pile fabrics formed by creation of a pile on at least one surface of a non-woven fabric without addition of pile-forming material, e.g. by needling, by differential shrinking
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C15/00—Making pile fabrics or articles having similar surface features by inserting loops into a base material
- D05C15/04—Tufting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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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
- D04H13/00—Other non-woven fabrics
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C15/00—Making pile fabrics or articles having similar surface features by inserting loops into a base material
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C17/00—Embroidered or tufted products; Base fabrics specially adapted for embroidered work; Inserts for producing surface irregularities in embroidered products
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C17/00—Embroidered or tufted products; Base fabrics specially adapted for embroidered work; Inserts for producing surface irregularities in embroidered products
- D05C17/02—Tufted products
- D05C17/023—Tufted products characterised by the base fabric
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
- D06N7/0063—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf
- D06N7/0068—Floor covering on textile basis comprising a fibrous top layer being coated at the back with at least one polymer layer, e.g. carpets, rugs, synthetic turf characterised by the primary backing or the fibrous top layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0261—Polyamide fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/54—Yield strength; Tensile strength
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/582—Tearability
- B32B2307/5825—Tear resistant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2471/00—Floor coverings
- B32B2471/02—Carpets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/08—Cars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/08—Insulating elements, e.g. for sound insulation
- B60R13/0815—Acoustic or thermal insulation of passenger compartments
- B60R13/083—Acoustic or thermal insulation of passenger compartments for fire walls or floors
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2201/00—Chemical constitution of the fibres, threads or yarns
- D06N2201/02—Synthetic macromolecular fibres
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06N2203/042—Polyolefin (co)polymers
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/06—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06N2203/061—Polyesters
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/06—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06N2203/065—Polyamides
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/02—Properties of the materials having acoustical properties
- D06N2209/025—Insulating, sound absorber
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/26—Vehicles, transportation
- D06N2211/263—Cars
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23907—Pile or nap type surface or component
- Y10T428/2395—Nap type surface
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Laminated Bodies (AREA)
- Carpets (AREA)
- Passenger Equipment (AREA)
Description
Australian Patents Act 1990 - Regulation 3.2 ORIGINAL COMPLETE SPECIFICATION STANDARD PATENT Invention Title A method for the manufacture of a deformable tufted product, a deformable tufted product, in particular a deformable tufted carpet top layer, in particular for the interiors of automobiles The following statement is a full description of this invention, including the best method of performing it known to me/us: P/00/0 iI TRANSLATION Carl Freudenberg KG 07PAOO1ODE 5 02 May 2007 Applicant: Carl Freudenberg KG, 69469 Weinheim 10 A method for the manufacture of a deformable tufted product, a deformable tufted product, in particular a deformable tufted carpet top layer, in particular for the interiors of automobiles 15 The invention relates to a method for the manufacture of a deformable tufted product, in particular for a deformable tufted carpet top layer manufactured according to this method, in particular for the interiors of automobiles. For the production of a tufted carpet the so-called tufting is employed, i.e. a technique to 20 manufacture three-dimensional fabrics, which in principle functions in accordance with a sewing machine. In such a process, tufting needles insert a tufting yarn into a primary backing, the so called tuft backing. The tufting needles mounted at a needle bar are arranged across the 25 width of the primary backing, for instance a nonwoven fabric, and simultaneously stitch through the primary backing. Before the tufting needles again return upwardly into their home or resting position, the inserted tufting yam is gripped on the underside of the primary backing by gripping elements, so-called loopers. In this way loops are formed which produce the so-called 30 pile, nap or face representing the visible surface (top layer) of the finished carpet. Depending on their application, these loops can be cut already during the tufting process by using special blades or knives. In this way, the so-called velours carpet is created P:\WPDOCS\KMiH\Trmnslations\2008\203K 9 250 - Iranslation doc - 29/4/08 C NRPrbl\DCC\CABV1 68_ I DOC-31V/ V2010 -2 whose preferred use, especially in fitting out interiors of automobiles, represents more than 95%. Summary of the Invention The present invention seeks to provide a method which is as simple as possible and economical 5 for the manufacture of a deformable tufted product, in particular a tufted carpet top layer which is particularly easily deformable. The carpet top layer manufactured according to the method is intended in particular for use in automobile interiors or for interiors of residential, commercial or public use buildings. This relates to use of the carpet top layer in areas of heavy traffic or extreme use in particular in offices, hotels, airports and/or hospitals. 10 The solution to the task set is provided by the characteristics of Claim 1. According to one aspect the present invention provides a method for the manufacture of a deformable tufted product, in particular of a deformable tufted carpet top layer, in particular for 15 the interior of automobiles, whereby a meliblown nonwoven fabric is laid down upon a deformable polyester tuft backing and whereby the meltblown nonwoven fabric and the polyester tuft backing are tufted together simultaneously. In accordance with this method a meltblown nonwoven fabric is laid down upon a deformable 20 polyester tuft backing and the meltblown nonwoven fabric and the polyester tuft backing are tufted together simultaneously. Due to the meltblown nonwoven being laid upon the tuft backing synchronously with the tufting process, the method is particularly economical. By virtue of the special combination of the material selection and the process design, the tufted 25 product thus manufactured distinguishes itself in particular for use in automobile interiors as automobile carpet top layer by its particularly good deformability and correspondingly high tensile strength, elongation and tear force data. The dependent claims describe advantageous further developments of the subject of the 30 invention.
3 In a preferred embodiment of the method, the tufted product is introduced into the further carpet manufacturing process merely by a thermal treatment of the tuft insertion side, in particular without precoating. 5 In the tufting manufacture, the precoating represents the pretreatment of the raw material for different coating methods of the backing or tuft backing. The precoating serves to fix the pile tufts in the primary backing or tuft backing. The desired binding of the tufts is thereby achieved and prevents threads from being pulled out of the pile or fraying of the pile material. The precoating material conventionally consists of synthetic latex 10 including filler. The exclusion of latex precoating in the manufacturing process, as proposed by the present invention, dispenses with one process step. Furthermore, this is in the interest of environmental protection since the waste water is not contaminated with latex residue 15 from the manufacturing, recycling and waste removal processes and since during use of the tufted product thus treated there are no emissions due to latex precoating. As a consequence, the method according to the invention satisfies the environmental regulations and industry standards which have been substantially raised of late. 20 Advantageously, a spun polyester nonwoven is employed as polyester tuft backing for the method, with a preferred area weight of between 70 g/m 2 and 140 g/m 2 , more preferred of between 100 g/m 2 and 120 g/m 2 . 25 Furthermore, the meltblown nonwoven with a preferred area weight of between 70 g/m 2 and 500 g/m 2 is employed, more preferred of between 80 g/m 2 and 200 g/m 2 and even more preferred of between 80 g/m 2 and 130 g/m 2 . By virtue of the particularly low area weights, the material consumption can be held 30 particularly low and the processing speed can be increased thereby saving additional costs. P:\WPDOCS\KMH\Translatons\2008\20389250 - translation.doc - 29/4/08 4 In a preferred embodiment of the method, the raw material employed for the meltblown nonwoven is a thermoplastic or spinnable raw material or a raw material which can be processed by injection moulding, in particular selected from polyolefines, copolyolefines, 5 polyesters, copolyesters, polyamides and/or copolyamides with a MFI value (Melt Flow Index) (according to DIN 1238 or ISO 1133) of between 100 and 300 g/10 min. By virtue of the low viscosity of the meltblown raw material due to a high melt flow index and the low viscosity of the meltblown nonwoven manufactured therefrom, the 10 penetration of the molten meltblown nonwoven functional layer into the tufted tuft backing is advantageously affected. As a consequence, a three dimensional composite layer is produced preventing an undesirable delamination between the functional layer and the tuft backing. 15 The preferred use is a meltblown nonwoven with a thickness of between 0.5 mm and 1.5 mm, more preferred of between 0.5 mm and 1.0 mm. The fibre titre of the meltblown nonwoven is advantageously between 0.06 dtex and 0.2 dtex, preferred between 0.06 dtex and 0. 1 dtex. 20 The voluminous, soft meltblown nonwoven functional layer with high specific fibre surface, low fibre titre and high fibre mobility advantageously facilitates the tufting together without needle deviation and increases the number of the contact points between the meltblown nonwoven functional layer and the fibres of the tuft backing, thereby 25 enhancing the bonding strength between the functional layer and the tuft backing evenly across the cross section. The simultaneous tufting together of the meltblown nonwoven and the polyester tuft backing is preferably achieved without prior needling or calendaring with a tufting gauge 30 of between 1/8" and 1/16". P:\WPDOCS\KMH\Translations\2008\20389250 - translation doc . 29/4/08 5 Alternatively, the meltblown nonwoven is advantageously consolidated by an ultrasound calendar with a bonding area smaller than 5 %, preferred smaller than 2%, and simultaneously tufted together with the polyester tuft backing with a gauge of between 1/8" and 1/16". 5 In a particularly advantageous embodiment of the method, the meltblown nonwoven and the polyester tuft backing are simultaneously consolidated by an ultrasound calendar with a bonding area smaller than 5 %, preferred smaller than 2 %, and subsequently simultaneously tufted together with a gauge of between 1/8" and 1/16". 10 The joint consolidation step guarantees a particularly good handling and a better process stability than when using separate layers. Furthermore, the combination with the very small bonding area simultaneously permits sufficiently high fibre mobility so that fibre damage during tufting is at least reduced and the tuft product quality, in particular with 15 regard to its deformability, is enhanced. In a further carpet manufacturing process, it is preferred for an acoustic nonwoven and/or at least another insulating layer, for instance a heavy layer with area weights of for instance between 2 and 7 kg/m 2 made from ethylene vinyl acetate/ethylene/propylene 20 diene rubber or from coextruded foil with polyethylene/polyamide (polyethylene), to be deposited onto the tuft insertion side of the tufted product. The tufted products manufactured in accordance with the invention and having a tear force in longitudinal direction at room temperature (according to DIN 53859-3) 25 preferably of between 170N and 240 N have a particularly high tear force value and thus a particularly good deformability so that these tufted products are particularly well suited to be used for carpet top layers in the interiors of automobiles as automobile carpet top layers. 30 The deformable tufted products, in particular the deformable tufted automobile carpet top layers at room temperature further have P \WPDOCS\KMH\TranslatonsUO08\20389250 - translation.doc - 29/4/08 6 - a prefered maximum tensile strength in longitudinal direction (according to EN 29073-3) of between 250 N/5cm and 400 N/5cm, more preferred of between 275 N/5cm and and 375 N/5cm, 5 - a preferred maximum tensile strength in transverse direction (according to EN 29073-3) of between 180 N/5cm and 300 N/5cm, more preferred of 203 N/5cm and 250 N/5cm, - a maximum elongation in longitudinal direction (according to EN 29073-3) of between 45% and 60 % and 10 - a maximum elongation in transverse direction (according to EN 29073-3) of between 42 % and 55 %. At 140*C the deformable tufted products, in particular the deformable tufted automobile carpet top layers, preferably have 15 - a maximum tensile strength in longitudinal direction (according to EN 29073-3) of between 185 N/5cm and 200 N/5cm, - a maximum tensile strength in tranverse direction (according to EN 29073-3) of between 85 N/5cm and 120 N/5cm, - a maximum elongation in longitudinal direction (according to EN 29073-3) of 20 between 65% and 70 %, and - a maximum elongation in transverse direction (according to EN 29073-3) of between 65% and 70%. 25 Detailed description of the preferred embodiments The subject of the invention is described in greater detail by reference to an example. 30 P:\WPDOCS\KMH\Transladons\2008\20389250 - translation doc - 29/4/08 7 Manufacture of a meltblown nonwoven: The raw material employed for the meltblown nonwoven is a polyethylene with an MFI of 155 g/10 min according to DIN 1133 and spun by means of a meltblown spinneret. 5 The polyethylene fibres thus obtained have a fibre titre of 0.07 dtex. Subsequently, the fibres are laid down on a suction drum which has a distance from the spinneret of approximately 600 mm in order to produce a voluminous and soft fleece whose fibre mobility has been retained during the tufting process. 10 The 80 g fleece thus manufactured can subsequently be optionally consolidated by means of an ultrasound calendar with a light sonotrode pressing force of about 0.006 bar with a bonding area of smaller than 5 %, preferred smaller than 2 %, so that a still largely voluminous nonwoven is obtained. Alternatively, also a light thermal consolidation via 15 embossed or roughened calendaring rollers is feasible. Manufacture of a tufted product The 80 g meltblown nonwoven manufactured by way of the previously described method 20 is laid down onto the tuft backing in non-preconsolidated form and only then, together with the tuft backing, jointly consolidated by means of an ultrasound calendar with a light sonotrode pressing force of about 0.006 bar with a bonding area of approx. 1.6 %. As the tuft backing, a polyester spun nonwoven, Lutradur @ LDT 5312 (Freudenberg) with an area weight of 120 g/ 2 . is employed. 25 This composite of meltblown nonwoven and polyester tuft backing lightly preconsolidated by ultrasound is fed to the tufter inlet where the meltblown nonwoven side represents the needling or tuft insertion side. 30 The laboratory tufter has a needle working width of approx. 50 cm and a gauge of 1/10" (10 needles per 2.54 cm) velours quality. P:\WPDOCS\KMH\Translafions\2008\2038 9 2 50 - translabon doc - 29/4/08 8 The number of stitches is approx. 56/10 cm. The tufting yarn used is a socalled BCF yarn (a bulked continuous filament), which has a polyamide 6 quality with a total thickness of 1300 dtex and 128 individual filaments. Other conventional tufting yarns can also be 5 used. The tuft yarn weight is approx. 400 g/m 2 . The complete laboratory tufting configuration produces, in narrow width, a carpet construction traditionally employed in automobile interiors (with the exception of the additionally introduced layer). 10 Prior to the tufting needles retracting to their home position, the inserted tufting yarn is fixedly held by gripping elements, so that loops or tufts are formed. In this way a loop pile carpet is produced. When the loops are cut open, as is done in this case, with blades or knives, a cut pile carpet or a so-called velours carpet is created. 15 After the tufting together of the meltblown nonwoven with the polyester tuft backing, a thermal treatment is undertaken from the tuft insertion side until the polyethylene of the meltblown nonwoven has molten. The carpet top layer manufactured in this way is tested for the following properties. 20 Properties at room temperature of the carpet top layer thus manufactured: - maximum tensile strength in longitudinal direction (according to EN 29073-3): 368 N/5cm 25 - maximum tensile strength in transverse direction (according to EN 29073-3): 203 N/5cm - maximum elongation in longitudinal direction (according to EN 29073-3): 58 % - maximum elongation in transverse direction (according to EN 29073-3): 44% - tear force in longitudinal direction (according to EN 29073-3): 218 N 30 The greater the values of the tear force, the greater the deformability. P:\WPDOCS\KM H\Translations\2008\2039250 - translaton.doc - 29/4/08 9 By comparison, the tear force of the tufted tuft backing alone (Lutradur @ LDT 5312, 120 g/m 2 ), i.e. without the meltblown nonwoven, amounts to 198 N, and the tear force of the tufted tuft backing (Lutradur @ LDT 5312, 120 g/m 2 ) together with a conventional 5 precoating or latex binder treatment (approx. 100 g/m 2 ) is 150 N. By a traditional precoating treatment, the deformability is consequently negatively affected whilst the tufted product manufactured in accordance with the invention has a particularly high tear force value and thus a particularly good deformability so that this 10 tufted product is particularly well suited for use as carpet top layer in automobile interiors. Properties at 140* C of the carpet top layer thus manufactured: 15 - maximum tensile strength in longitudinal direction (according to EN 29073-3): 196 N/5cm - maximum tensile strength in transverse direction (according to EN 29073-3): 1l1 N/5cm - maximum elongation in longitudinal direction (according to EN 29073-3): 75 % 20 - maximum elongation in transverse direction (according to EN 29073-3): 69 % In addition to the determination of the strength and elongation behaviour of the tufted product by measurements undertaken by way of a tensile strain testing device, the 25 deformation properties of the tufted product were determined by an internal measuring method. This measuring method involves circular samples of the tuft product having a diameter of 24 cm being cut and then clamped into a clamping ring and fixed by brass screws and thread bolts. The fixed sample is heated to a certain temperature, in this instance to 140*C, on the rear side, i.e. from the tuft insertion side, by infrared heating 30 whilst observing a constant distance of 16 cm to the infrared field. P \WPDOCS\KM \Translatons\2008\2038 9 250 - translation.doc - 29/4/08 10 When the temperature has been reached, the clamping ring fixedly holding the carpet sample is automatically placed onto a movable hollow cylinder which, at a speed of 50 mm/s, impacts upon a metal ball. The metal ball is cooled by means of water to 18*C and has a diameter of 10 cm. The carpet sample is thereby deformed from the tuft insertion 5 side. The measured deformation depths serve to calculate the deformation percentage. At a maximum deformation depth of 12.2 cm - the maximum degree of deformation is 106% and - the maximum deformation force: 1543 N 10 At a deformation depth of 9 cm - the maximum degree of deformation is 50 % and - the maximum force of deformation is 723 N. 15 The embodiment example of the carpet top layer manufactured in accordance with the present invention offers the further advantage that it can be laminated with a heavy layer without the conventional polyethylene powder application customary in the carpet industry. The reason why this polyethylene powder application may be dispensed with is due to the fact that an adhesive layer of polyethylene is already present on the carpet 20 needle insertion side of the carpet top layer of the embodiment example. The reference in this specification to any prior publication (or information derived from it), or to any matter which is known, is not, and should not be taken as, an acknowledgement or admission or any form of suggestion that that prior publication (or 25 information derived from it) or known matter forms part of the common general knowledge in the field of endeavour to which this specification relates. Throughout this specification and the claims which follow, unless the context requires otherwise, the word "comprise", and variations such as "comprises" or "comprising", will 30 be understood to imply the inclusion of a stated integer or step or group of integers or steps but not the exclusion of any other integer or step or group of integers or steps. P.\WPDOCS\KMH\Specifications\20389250 - amndments doc - 30/4/08
Claims (16)
1. A method for the manufacture of a deformable tufted product, in particular of a deformable tufted carpet top layer, in particular for the interior of automobiles, 5 whereby a meltblown nonwoven fabric is laid down upon a deformable polyester tuft backing and whereby the meltblown nonwoven fabric and the polyester tuft backing are tufted together simultaneously.
2. The method according to Claim 1, whereby the tufted product is introduced 10 into the further carpet manufacturing process merely by a thermal treatment of the tuft insertion side, in particular without precoating.
3. The method according to Claim 1 or 2, whereby a polyester spun nonwoven is employed as polyester tuft backing, with a preferred area weight of between 70 15 g/m 2 and 140 g/m 2 , more preferred of between 100 g/m 2 and 120 g/m 2 .
4. The method according to any one of the preceding Claims, whereby the meltblown nonwoven with a preferred area weight of between 70 g/m 2 and 500 g/m 2 is employed, more preferred of between 80 g/m 2 and 200 g/m 2 and even 20 more preferred of between 80 g/m 2 and 130 g/m 2 .
5. The method according to any one of the preceding Claims, whereby the raw material employed for the meltblown nonwoven is a thermoplastic or spinnable raw material or a raw material which can be processed by injection moulding, 25 in particular selected from polyolefines, copolyolefines, polyesters, copolyesters, polyamides and/or copolyamides with a MFI value (Melt Flow index) (according to DIN 1238 or ISO 1133) of between 100 and 300 g/l0 min.
6. The method according to any one of the preceding Claims, whereby the 30 meltblown nonwoven with a thickness of between 0.5 mm and 1.5 mm, more preferred of between 0.5 mm and 1.0 mm, is employed. P \WPDOCS\KN[H\Trnslations\2008\20389250 - tanslationdoc - 1/5,08 12
7. The method according to any one of the preceding Claims, whereby the meltblown nonwoven with a fibre titre of between 0.06 dtex and 0.2 dtex, preferably between 0.06 dtex and 0.1 dtex, is employed. 5
8. The method according to any one of the preceding Claims, whereby the meltblown nonwoven and the polyester tuft backing are tufted together simultaneously with a tuft gauge of between 1/8" and 1/16" without prior needling or calendaring. 10
9. The method according to any one of Claims I to 7, whereby the meltblown nonwoven is advantageously consolidated by an ultrasound calendar with a bonding area smaller than 5 %, preferred smaller than 2%, and tufted together simultaneously with the polyester tuft backing with a tuft gauge of between 15 1/8" and 1/16".
10. The method according to any one of Claims I to 7, whereby the meltblown nonwoven and the polyester tuft backing are jointly consolidated by an ultrasound calendar with a bonding area smaller than 5 %, preferred smaller 20 than 2 %, and tufted together simultaneously with a tuft gauge of between 1/8" and 1/16".
11. The method according to any one of Claims 2 to 10, whereby as a further carpet manufacturing process an acoustic nonwoven and/or at least another insulating 25 layer, is deposited onto the tuft insertion side of the tufted product.
12. A deformable tufted product, in particular a deformable tufted carpet top layer, in particular for the interior of automobiles, manufactured by a method in accordance with any one of the preceding Claims which, at room temperature, 30 have P \WPDOCS\KMH\Trnslations\2O08\2O389250 - translationdoc - 29/4/08 13 - a maximum tensile strength in longitudinal direction (according to EN
29073-3) of between 250 N/5cm and 400 N/5cm, more preferred of between 275 N/5cm and and 375 N/rcm, - a maximum tensile strength in transverse direction (according to EN 5 29073-3) of between 180 N/5cm and 300 N/5cm, more preferred of between 203 N/5cm and 250 N/5cm, - a maximum elongation in longitudinal direction (according to EN 29073 3) of between 45% and 60 % and - a maximum elongation in transverse direction (according to EN 29073-3) 10 of between 42 % and 55 %.
13. A deformable tufted product, in particular a deformable tufted carpet top layer, in particular for the interior of automobiles, manufactured by a method in accordance with any one of the preceding Claims I to I1 which, at 140*C, have 15 - a maximum tensile strength in longitudinal direction (according to EN 29073-3) of between 185 N/5cm and 200 N/5cm, - a maximum tensile strength in tranverse direction (according to EN 29073 3) of between 85 N/5cm and 120 N/5cm, - a maximum elongation in longitudinal direction (according to EN 29073 20 3) of between 65% and 70 %, and - a maximum elongation in transverse direction (according to EN 29073-3) of between 65% and 70%.
14. A deformable tufted product, in particular a deformable tufted carpet top layer, in 25 particular for the interior of automobiles, manufactured by a method in accordance with any one of Claims I to 11, which at room temperature has a tear force in longitudinal direction (as per DIN 53859-3) of between 170 N and 240 N.
15. A method for the manufacture of a deformable tufted product, substantially as 30 herein described. P:\WPDOCS\KM H\Speci fi cations\20389250 - amendments doc - 30/4/08 14
16. A deformable tufted product, substantially as herein described with reference to the accompanying drawings. P:\WPDOCS\KMH\Specifications\20389250 - amendments.doc -30/4/08
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE200710020818 DE102007020818B3 (en) | 2007-05-02 | 2007-05-02 | Process for the preparation of a deformable tufted product |
DE102007020818.0-26 | 2007-05-02 |
Publications (2)
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AU2008201959A1 AU2008201959A1 (en) | 2008-11-20 |
AU2008201959B2 true AU2008201959B2 (en) | 2011-01-27 |
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AU2008201959A Ceased AU2008201959B2 (en) | 2007-05-02 | 2008-05-02 | A method for the manufacture of a deformable tufted product, a deformable tufted product, in particular a deformable tufted carpet top layer, in particular for the interiors of automobiles |
Country Status (10)
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US (1) | US20090053460A1 (en) |
EP (1) | EP1988204B1 (en) |
KR (1) | KR101126942B1 (en) |
AR (1) | AR066365A1 (en) |
AT (1) | ATE522651T1 (en) |
AU (1) | AU2008201959B2 (en) |
BR (1) | BRPI0801265A2 (en) |
DE (1) | DE102007020818B3 (en) |
PL (1) | PL1988204T3 (en) |
TW (1) | TWI390093B (en) |
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DE102009004786A1 (en) * | 2009-01-13 | 2010-07-15 | Fleissner Gmbh | Method for consolidation of textile material, particularly of carpet back or of fiber cloth, involves applying backing on one side of textile material having compressed fibers in form of fiber bundles or threads |
DE102009013948A1 (en) * | 2009-03-19 | 2010-09-23 | Fleissner Gmbh | Carpet backing hardening method for use during manufacturing carpet, involves exposing rear side of supporting layer of carpet to ultrasonic impact using area standing in contact with rear side, and applying adhesive on rear side |
JP2012024457A (en) * | 2010-07-27 | 2012-02-09 | Hasetora Spinning Co Ltd | Tufted carpet |
US10190267B2 (en) | 2013-12-13 | 2019-01-29 | Bfs Europe Nv | Artificial turf for landscape and sports |
CN106414828B (en) * | 2013-12-13 | 2018-12-28 | Bfs欧洲股份有限公司 | Tufted structure for landscape and sport |
US10370799B2 (en) | 2013-12-13 | 2019-08-06 | Dfs Europe Nv | Tufted structure for landscape and sports |
CN112301577B (en) * | 2020-09-03 | 2023-03-31 | 诺奥(福建)环保家居用品有限公司 | Method for manufacturing flame-retardant colored elbow yarn full-paved blanket |
DE102021106621A1 (en) | 2021-03-18 | 2022-10-20 | Adler Pelzer Holding Gmbh | Absorbent backing fleece for tufted carpet |
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Also Published As
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TWI390093B (en) | 2013-03-21 |
DE102007020818B3 (en) | 2009-01-02 |
EP1988204A2 (en) | 2008-11-05 |
AR066365A1 (en) | 2009-08-12 |
EP1988204B1 (en) | 2011-08-31 |
EP1988204A3 (en) | 2009-12-02 |
BRPI0801265A2 (en) | 2008-12-16 |
PL1988204T3 (en) | 2012-01-31 |
AU2008201959A1 (en) | 2008-11-20 |
US20090053460A1 (en) | 2009-02-26 |
ATE522651T1 (en) | 2011-09-15 |
KR20080097940A (en) | 2008-11-06 |
KR101126942B1 (en) | 2012-03-20 |
TW200912080A (en) | 2009-03-16 |
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