US20050268420A1 - Imaged nonwoven fabrics in dusting applications - Google Patents

Imaged nonwoven fabrics in dusting applications Download PDF

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US20050268420A1
US20050268420A1 US11/146,604 US14660405A US2005268420A1 US 20050268420 A1 US20050268420 A1 US 20050268420A1 US 14660405 A US14660405 A US 14660405A US 2005268420 A1 US2005268420 A1 US 2005268420A1
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Prior art keywords
nonwoven fabric
dimensional image
web
pockets
recesses
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US11/146,604
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Charles Curtis
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Avintiv Specialty Materials Inc
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Polymer Group Inc
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Priority to US11/146,604 priority Critical patent/US20050268420A1/en
Assigned to CITICORP NORTH AMERICA, INC., AS COLLATERAL AGENT reassignment CITICORP NORTH AMERICA, INC., AS COLLATERAL AGENT SECURITY AGREEMENT Assignors: CHICOPEE, INC., FIBERTECH GROUP, INC., PGI POLYMER, INC., POLY-BOND INC., POLYMER GROUP, INC.
Publication of US20050268420A1 publication Critical patent/US20050268420A1/en
Abandoned legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/16Cloths; Pads; Sponges
    • DTEXTILES; PAPER
    • D04BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04HMAKING 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
    • D04H1/00Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40Non-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
    • D04H1/44Non-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
    • D04H1/46Non-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 needling or like operations to cause entanglement of fibres
    • D04H1/48Non-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 needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
    • D04H1/488Non-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 needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation in combination with bonding agents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00Layered 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
    • B32B5/16Layered 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 features of a layer formed of particles, e.g. chips, powder or granules
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/682Needled nonwoven fabric
    • Y10T442/684Containing at least two chemically different strand or fiber materials
    • Y10T442/685Containing inorganic and polymeric strand or fiber materials

Definitions

  • the present invention relates generally to a nonwoven fabric, and specifically to a nonwoven fabric imparted with a three-dimensional pattern, which results in a material imminently suitable for application in the cleaning and dusting of articles.
  • nonwoven fabrics as a component in cleaning or dusting articles is well known in the art.
  • Various cleaning and dusting products are commercially available which utilize a combination of topical, performance enhancing additives and/or multi-layered laminate constructions.
  • performance enhancing additives such as oils, static charge enhancers, or the like, results in a product which is often incompatible with the end-user's preferred choice of cleaning or polishing agent.
  • Multi-layered laminate constructs by their very nature, require multiple facing layers and interposed reinforcing layers in order to form a material with satisfactory loft and function.
  • the present invention is directed a nonwoven fabric which is imparted with a three-dimensional image or pattern during the fabrication stage.
  • the three-dimensional image or pattern imparted into the structure of the nonwoven fabric results in a lofty material with particulate capturing recesses or “pockets” which act to entrap and entrain dust.
  • the three-dimensional image or pattern also results in a number of fibrous ends and loops which extend beyond the surface of the recesses or “pockets”, which in turn, improve the nonwoven fabrics ability to effectively collect particulates from the surface of the article to be ability to effectively collect particulates from the surface of the article to be cleaned or dusted.
  • the recesses and the extended fibrous surface act to effectively remove fine particulates such as dust from articles such as furniture and flooring.
  • a method of making the nonwoven fabric embodying the present invention includes the steps of providing a precursor web comprising a fibrous matrix.
  • the fibrous matrix is carded and cross-lapped to form a precursor web. It is also preferred that the precursor web be subjected to pre-entangling on a foraminous forming surface prior to imaging and patterning.
  • a method of making the present durable nonwoven fabric comprises the steps of providing a precursor web, which is subjected to hydroentangling.
  • a polyester/rayon fiber blend has been found to desirably yield a nonwoven fabric suitable for subsequent use with both water and oil based cleansers or dusting agents.
  • the precursor web is formed into an imaged and patterned nonwoven fabric by hydroentanglement on a three-dimensional image transfer device.
  • the image transfer device defines three-dimensional elements against which the precursor web is forced during hydroentangling, whereby the fibrous constituents of the web are imaged and patterned by movement into regions between the three-dimensional elements of the transfer device.
  • the precursor web is hydroentangled on a foraminous surface prior to hydroentangling on the image transfer device.
  • This pre-entangling of the precursor web acts to integrate the fibrous components of the web, but does not impart imaging and patterning as can be achieved through the use of the three-dimensional image transfer device.
  • FIG. 1 is a diagrammatic view of an apparatus for manufacturing a nonwoven fabric, embodying the principles of the present invention.
  • FIG. 2 is a plan view of a three-dimensional nonwoven fabric, made in accordance with the present invention.
  • the magnification level is about 6.5 ⁇ ;
  • FIG. 3 is a plan view of a three-dimensional nonwoven fabric, made in accordance with the present invention.
  • the magnification level is about 15 ⁇
  • the present invention is directed a nonwoven fabric which is imparted with a three-dimensional image or pattern during the fabrication stage.
  • the three-dimensional image or pattern imparted into the structure of the nonwoven fabric results in two pronounced effects.
  • a lofty material is formed with particulate capturing recesses or “pockets” which act to entrap and entrain dust.
  • the three-dimensional image or pattern results in a number of fibrous ends and loops which extend beyond the surface of the recesses or “pockets”, which in turn, improve the nonwoven fabrics ability to effectively collect particulates from the surface of the article to be cleaned or dusted.
  • the recesses and the extended fibrous surface act to effectively remove fine particulates such as dust from articles such as furniture and flooring.
  • the three-dimensional nonwoven fabric is used either in sheet form by hand, or placed upon the head of a suitable mop as is readily and commercially available.
  • the fabric is formed from a fibrous matrix which typically comprises staple length fibers.
  • the fibrous matrix is preferably carded and cross-lapped to form a precursor web, designated P.
  • the precursor web comprises a majority of cross-lap fibers, that is, most of the fibers of the web have been formed by cross-lapping a carded web so that the fibers are oriented at an angle relative to the machine direction of the resultant web.
  • FIG. 1 illustrates a hydroentangling apparatus for forming nonwoven fabrics in accordance with the present invention.
  • the apparatus includes a foraminous forming surface in the form of belt 10 upon which the precursor web P is positioned for pre-entangling by entangling manifold 12 .
  • Pre-entangling of the precursor web, prior to imaging and patterning, is subsequently effected by movement of the web P sequentially over a drum 14 having a foraminous forming surface, with entangling manifold 16 effecting entanglement of the web.
  • the entangling apparatus of FIG. 1 further includes an imaging and patterning drum 24 comprising a three-dimensional image transfer device for effecting imaging and patterning of the now-entangled precursor web.
  • the image transfer device includes a moveable imaging surface which moves relative to a plurality of entangling manifolds 26 which act in cooperation with three-dimensional elements defined by the imaging surface of the image transfer device to effect imaging and patterning of the fabric being formed.
  • Hydroentanglement results in portions of the precursor web being displaced from on top of the three-dimensional surface elements of the imaging surface to form an imaged and patterned nonwoven fabric.
  • Enhanced surface fiber extenstion is desirably achieved, thus providing improved cleaning properties for the resultant fabric.
  • a dusting nonwoven fabric embodying the principles of the present invention is initiated by providing the precursor nonwoven web preferably in the form of a blend of polyester and rayon fibers which desirably provides good cleaning chemical compatibility, yet such a blend does not degrade the static charge developed by the polyester fibers when used with a cleaning chemical.
  • fabric weights on the order of 55 to 75 grams per square meter (gsm) are suitable, with a material on the order of 65 to 70 gsm material being most preferred.
  • a nonwoven fabric was made in accordance with the present invention by providing a precursor web comprising 70 weight percent polyester staple fibers and 30 weight percent rayon staple fibers.
  • the web had a basis weight of 69 grams per square yard (plus or minus 7%).
  • FIG. 1 illustrates disposition of precursor web P on a foraminous forming surface in the form of belt 10 , with the web acted upon by an entangling manifold 12 .
  • the web then passes sequentially over a drum 14 having a foraminous forming surface, for entangling by entangling manifold 16 , with the web thereafter directed about the foraminous forming surface of a drum 18 for entangling by entanglement manifold 20 .
  • each of the entangling manifolds included 120 micron orifices spaced at 42.3 per inch, with the manifolds operated successively at 30, 10, 30, 10, and 10 bar, with a line speed of about 40 yards per minute.
  • a web having a width of 84 inches was employed.
  • the entangling apparatus of FIG. 1 further includes an imaging and patterning drum 24 comprising a three-dimensional image transfer device for effecting imaging and patterning of the now-entangled precursor web.
  • the entangling apparatus includes a plurality of entangling manifolds 26 which act in cooperation with the three-dimensional image transfer device of drum 24 to effect patterning of the fabric.
  • the entangling manifolds 26 were successively operated at 90, 95, and 100 bar, at a line speed which was the same as that used during pre-entanglement.
  • the three-dimensional imaged nonwoven fabric was configured with the dust cloth image of the present invention, as illustrated in FIGS. 2, 3 , and 4 .
  • Physical testing was performed according to ASTM procedures, the data attached as TABLE 1.
  • the three-dimensional imaged nonwoven fabric as per the Example was then qualitatively tested against other similar treated/multi-layered dusting clothes commercially available. It was found that the single layer, untreated dusting fabrics performed equivalent or better than the commercially available clothes.

Abstract

The present invention is directed a nonwoven fabric which is imparted with a three-dimensional image or pattern during the fabrication stage. The three-dimensional image or pattern imparted into the structure of the nonwoven fabric results in a lofty material with particulate capturing recesses or “pockets” which act to entrap and entrain dust. The three-dimensional image or pattern also results in a number of fibrous ends and loops which extend beyond the surface of the recesses or “pockets”, which in turn, improve the nonwoven fabrics ability to effectively collect particulates from the surface of the article to be cleaned or dusted. In conjunction, the recesses and the extended fibrous surface act to effectively remove fine particulates such as dust from articles such as furniture and flooring.

Description

    CROSS-REFERENCE TO RELATED APPLICATION
  • This application is a division of U.S. Ser. No. 10/206,271, filed Jul. 26, 2002, which claims the benefit of priority U.S. Provisional Application No. 60/308,331, filed Jul. 27, 2001, the disclosures of which are incorporated herein by reference.
  • TECHNICAL FIELD
  • The present invention relates generally to a nonwoven fabric, and specifically to a nonwoven fabric imparted with a three-dimensional pattern, which results in a material imminently suitable for application in the cleaning and dusting of articles.
  • BACKGROUND OF THE INVENTION
  • The general use of nonwoven fabrics as a component in cleaning or dusting articles is well known in the art. Various cleaning and dusting products are commercially available which utilize a combination of topical, performance enhancing additives and/or multi-layered laminate constructions. The use of performance enhancing additives such as oils, static charge enhancers, or the like, results in a product which is often incompatible with the end-user's preferred choice of cleaning or polishing agent. Multi-layered laminate constructs, by their very nature, require multiple facing layers and interposed reinforcing layers in order to form a material with satisfactory loft and function.
  • A need exists for a single layer nonwoven fabric product which does not necessarily rely upon the application of oils or other pre-treatments.
  • SUMMARY OF THE INVENTION
  • The present invention is directed a nonwoven fabric which is imparted with a three-dimensional image or pattern during the fabrication stage. The three-dimensional image or pattern imparted into the structure of the nonwoven fabric results in a lofty material with particulate capturing recesses or “pockets” which act to entrap and entrain dust. The three-dimensional image or pattern also results in a number of fibrous ends and loops which extend beyond the surface of the recesses or “pockets”, which in turn, improve the nonwoven fabrics ability to effectively collect particulates from the surface of the article to be ability to effectively collect particulates from the surface of the article to be cleaned or dusted. In conjunction, the recesses and the extended fibrous surface act to effectively remove fine particulates such as dust from articles such as furniture and flooring.
  • In accordance with the present invention, a method of making the nonwoven fabric embodying the present invention includes the steps of providing a precursor web comprising a fibrous matrix. In a particularly preferred form, the fibrous matrix is carded and cross-lapped to form a precursor web. It is also preferred that the precursor web be subjected to pre-entangling on a foraminous forming surface prior to imaging and patterning.
  • A method of making the present durable nonwoven fabric comprises the steps of providing a precursor web, which is subjected to hydroentangling. A polyester/rayon fiber blend has been found to desirably yield a nonwoven fabric suitable for subsequent use with both water and oil based cleansers or dusting agents. The precursor web is formed into an imaged and patterned nonwoven fabric by hydroentanglement on a three-dimensional image transfer device. The image transfer device defines three-dimensional elements against which the precursor web is forced during hydroentangling, whereby the fibrous constituents of the web are imaged and patterned by movement into regions between the three-dimensional elements of the transfer device.
  • In the preferred form, the precursor web is hydroentangled on a foraminous surface prior to hydroentangling on the image transfer device. This pre-entangling of the precursor web acts to integrate the fibrous components of the web, but does not impart imaging and patterning as can be achieved through the use of the three-dimensional image transfer device.
  • Other features and advantages of the present invention will become readily apparent from the following detailed description, the accompanying drawings, and the appended claims.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a diagrammatic view of an apparatus for manufacturing a nonwoven fabric, embodying the principles of the present invention; and
  • FIG. 2 is a plan view of a three-dimensional nonwoven fabric, made in accordance with the present invention. The magnification level is about 6.5×; and
  • FIG. 3 is a plan view of a three-dimensional nonwoven fabric, made in accordance with the present invention. The magnification level is about 15×
  • DETAILED DESCRIPTION
  • While the present invention is susceptible of embodiment in various forms, there is shown in the drawings and will hereinafter be described a presently preferred embodiment of the invention, with the understanding that the present disclosure is to be considered as an exemplification of the invention, and is not intended to limit the invention to the specific embodiment illustrated.
  • The present invention is directed a nonwoven fabric which is imparted with a three-dimensional image or pattern during the fabrication stage. The three-dimensional image or pattern imparted into the structure of the nonwoven fabric results in two pronounced effects. First, a lofty material is formed with particulate capturing recesses or “pockets” which act to entrap and entrain dust. Second, the three-dimensional image or pattern results in a number of fibrous ends and loops which extend beyond the surface of the recesses or “pockets”, which in turn, improve the nonwoven fabrics ability to effectively collect particulates from the surface of the article to be cleaned or dusted. In conjunction, the recesses and the extended fibrous surface act to effectively remove fine particulates such as dust from articles such as furniture and flooring.
  • The three-dimensional nonwoven fabric is used either in sheet form by hand, or placed upon the head of a suitable mop as is readily and commercially available.
  • With reference to FIG. 1, therein is illustrated an apparatus for practicing the present method for forming a nonwoven fabric. The fabric is formed from a fibrous matrix which typically comprises staple length fibers. The fibrous matrix is preferably carded and cross-lapped to form a precursor web, designated P. In a current embodiment, the precursor web comprises a majority of cross-lap fibers, that is, most of the fibers of the web have been formed by cross-lapping a carded web so that the fibers are oriented at an angle relative to the machine direction of the resultant web.
  • FIG. 1 illustrates a hydroentangling apparatus for forming nonwoven fabrics in accordance with the present invention. The apparatus includes a foraminous forming surface in the form of belt 10 upon which the precursor web P is positioned for pre-entangling by entangling manifold 12. Pre-entangling of the precursor web, prior to imaging and patterning, is subsequently effected by movement of the web P sequentially over a drum 14 having a foraminous forming surface, with entangling manifold 16 effecting entanglement of the web. Further entanglement of the web is effected on the foraminous forming surface of a drum 18 by entanglement manifold 20, with the web subsequently passed over successive foraminous drums 20, for successive entangling treatment by entangling manifolds 24, 24′.
  • The entangling apparatus of FIG. 1 further includes an imaging and patterning drum 24 comprising a three-dimensional image transfer device for effecting imaging and patterning of the now-entangled precursor web. The image transfer device includes a moveable imaging surface which moves relative to a plurality of entangling manifolds 26 which act in cooperation with three-dimensional elements defined by the imaging surface of the image transfer device to effect imaging and patterning of the fabric being formed.
  • Hydroentanglement results in portions of the precursor web being displaced from on top of the three-dimensional surface elements of the imaging surface to form an imaged and patterned nonwoven fabric. Enhanced surface fiber extenstion is desirably achieved, thus providing improved cleaning properties for the resultant fabric.
  • Manufacture of a dusting nonwoven fabric embodying the principles of the present invention is initiated by providing the precursor nonwoven web preferably in the form of a blend of polyester and rayon fibers which desirably provides good cleaning chemical compatibility, yet such a blend does not degrade the static charge developed by the polyester fibers when used with a cleaning chemical. During development, it was ascertained that fabric weights on the order of 55 to 75 grams per square meter (gsm) are suitable, with a material on the order of 65 to 70 gsm material being most preferred.
  • EXAMPLES
  • Using a forming apparatus as illustrated in FIG. 1, a nonwoven fabric was made in accordance with the present invention by providing a precursor web comprising 70 weight percent polyester staple fibers and 30 weight percent rayon staple fibers. The web had a basis weight of 69 grams per square yard (plus or minus 7%).
  • The fabric comprised polyester (1.5 denier) and rayon (1.6 denier). Prior to patterning and imaging of the precursor web, the web was entangled by a series of entangling manifolds such as diagrammatically illustrated in FIG. 1. FIG. 1 illustrates disposition of precursor web P on a foraminous forming surface in the form of belt 10, with the web acted upon by an entangling manifold 12. The web then passes sequentially over a drum 14 having a foraminous forming surface, for entangling by entangling manifold 16, with the web thereafter directed about the foraminous forming surface of a drum 18 for entangling by entanglement manifold 20. The web is thereafter passed over successive foraminous drums 22, with successive entangling treatment by entangling manifolds 24, 24′. In the present examples, each of the entangling manifolds included 120 micron orifices spaced at 42.3 per inch, with the manifolds operated successively at 30, 10, 30, 10, and 10 bar, with a line speed of about 40 yards per minute. A web having a width of 84 inches was employed.
  • The entangling apparatus of FIG. 1 further includes an imaging and patterning drum 24 comprising a three-dimensional image transfer device for effecting imaging and patterning of the now-entangled precursor web. The entangling apparatus includes a plurality of entangling manifolds 26 which act in cooperation with the three-dimensional image transfer device of drum 24 to effect patterning of the fabric. In the present example, the entangling manifolds 26 were successively operated at 90, 95, and 100 bar, at a line speed which was the same as that used during pre-entanglement.
  • The three-dimensional imaged nonwoven fabric was configured with the dust cloth image of the present invention, as illustrated in FIGS. 2, 3, and 4. Physical testing was performed according to ASTM procedures, the data attached as TABLE 1.
  • The three-dimensional imaged nonwoven fabric as per the Example was then qualitatively tested against other similar treated/multi-layered dusting clothes commercially available. It was found that the single layer, untreated dusting fabrics performed equivalent or better than the commercially available clothes.
  • From the foregoing, it will be observed that numerous modifications and variations can be affected without departing from the true spirit and scope of the novel concept of the present invention. It is to be understood that no limitation with respect to the specific embodiments illustrated herein is intended or should be inferred. The disclosure is intended to cover, by the appended claims, all such modifications as fall within the scope of the claims.
    TABLE 1
    DMDT DMDE DCDT DCDE WMDT WMDE WCDT WCDE
    ASTM ASTM ASTM ASTM ASTM ASTM ASTM ASTM D Abs. Time Abs. Cap Softness
    Roll No. Full Wt. Bulk D 5035 D 5035 D 5035 D 5035 d5035 D 5035 D 5035 5035 IST 10.0-95 IST 10.1-95 JJMI-5083
    M1011011 (g/m2) (mm) (lb/in) (%) (lb/in) (%) (lb/in) (%) (lb/in) (%) (sec) (g) (g)
    69 52 18 96 18 84 18 81 18 74 13 1620 36
    51 16 100 20 90 15 85 17 70 32
    54 14 95 17 79 16 96 17 72 35
    56 15 81 18 87 17 88 17 84 33
    Avg. 69 53 16 93 18 85 16 87 17 75 13 1620 34
    M1011012 69 52 16 88 14 68 17 98 17 77 10 1592 38
    52 14 83 16 71 14 94 16 78 31
    51 15 83 17 74 14 90 17 79 31
    56 14 80 18 88 14 83 17 85 35
    Avg. 69 53 15 83 16 75 15 91 17 80 10 1592 34
    M1011013 70 51 18 92 13 75 17 90 14 66 13 1622 40
    53 16 96 14 77 15 89 16 93 33
    51 15 88 17 87 16 85 15 94 31
    55 16 87 16 85 16 90 16 94 37
    Avg. 70 53 16 91 15 81 16 89 15 86 13 1622 35
    Roll No. Full Wt. Bulk DMDT DMDE DCDT DCDE WMDT WMDE WCDT WCDE Abs. Time Abs.Cap. Softness
    M1011011 69 53 16 93 18 85 16 87 17 75 13 1620 34
    M1011012 69 53 15 83 16 75 15 91 17 80 10 1592 34
    M1011013 70 53 16 91 15 81 16 89 15 86 13 1622 35

Claims (7)

1. (canceled)
2. (canceled)
3. (canceled)
4. (canceled)
5. A method for dusting, comprising the steps of:
providing a nonwoven fabric comprising a prebond fibrous matrix of staple length fibers, said fabric being formed by hydroentangling the prebond fibrous matrix on a three-dimensional transfer device so as to impart a three-dimensional pattern into the resultant nonwoven fabric,
said fabric exhibiting an array of pockets having the ability to entrap and entrain particulate matter from a soiled surface, and a basis weight on the order of 55 to 75 grams per square meter; and
employing said nonwoven fabric for removing particulate matter from said soiled surface.
6. A method in accordance with claim 5, wherein:
said array of pockets has a grid pattern.
7. A method in accordance with claim 5, wherein:
said fibrous matrix comprises a polyester and rayon blend.
US11/146,604 2001-07-27 2005-06-07 Imaged nonwoven fabrics in dusting applications Abandoned US20050268420A1 (en)

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US20100062671A1 (en) * 2008-09-05 2010-03-11 Nutek Disposables, Inc. Composite wipe
US10030322B2 (en) 2013-07-15 2018-07-24 Hills, Inc. Method of forming a continuous filament spun-laid web

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Publication number Priority date Publication date Assignee Title
AU2003268172A1 (en) * 2002-08-29 2004-03-19 Polymer Group, Inc. Imaged nonwoven fabric for cleaning applications
US7757340B2 (en) 2005-03-25 2010-07-20 S.C. Johnson & Son, Inc. Soft-surface remediation device and method of using same

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US20030104745A1 (en) 2003-06-05
EP1417367A2 (en) 2004-05-12
WO2003012186A3 (en) 2004-03-11

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