EP1923496B1 - Chiffon de nettoyage - Google Patents

Chiffon de nettoyage Download PDF

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Publication number
EP1923496B1
EP1923496B1 EP05782032A EP05782032A EP1923496B1 EP 1923496 B1 EP1923496 B1 EP 1923496B1 EP 05782032 A EP05782032 A EP 05782032A EP 05782032 A EP05782032 A EP 05782032A EP 1923496 B1 EP1923496 B1 EP 1923496B1
Authority
EP
European Patent Office
Prior art keywords
cleaning
fibers
cloth
cleaning cloth
ridge regions
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
EP05782032A
Other languages
German (de)
English (en)
Japanese (ja)
Other versions
EP1923496A4 (fr
EP1923496A1 (fr
Inventor
Masayoshi Kakutani
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.)
Sanko Co Ltd
Original Assignee
Sanko Co Ltd
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
Application filed by Sanko Co Ltd filed Critical Sanko Co Ltd
Publication of EP1923496A1 publication Critical patent/EP1923496A1/fr
Publication of EP1923496A4 publication Critical patent/EP1923496A4/fr
Application granted granted Critical
Publication of EP1923496B1 publication Critical patent/EP1923496B1/fr
Expired - Fee Related 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
    • 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
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/16—Cloths; Pads; Sponges

Definitions

  • the present invention relates to a cleaning cloth used to wipe off and clean stains adhering to glass, pottery, synthetic resins, metals, stone materials, and other various materials of tableware, rice cooling tools, utensils and others.
  • Patent Document 1 discloses an abrasive cloth, wherein abrasive grains are bonded and fixed to the fiber surface of a nonwoven cloth containing synthetic fibers each having a flatness factor of 5 or more with a binder interposed therebetween.
  • Patent Document 2 discloses an abrasive cloth, wherein silicon carbide abrasive grains are bonded and fixed to fibers of a nonwoven cloth containing a metal-plated synthetic resin fiber.
  • Patent Document 3 discloses an abrasive cloth, wherein a urea resin and silicon carbide abrasive grains are bonded and fixed to fibers of a nonwoven cloth.
  • Patent Documents 4 and 5 each disclose an abrasive cloth, wherein abrasive grains are bonded and fixed not to individual fibers but to a single surface or both surfaces of a nonwoven cloth with an adhesive agent.
  • Patent Documents 6 and 7 each disclose an abrasive cloth, wherein a porous resin layer is formed on fibers of a nonwoven cloth without using any abrasive grain.
  • Patent Document 1 JP-A-5-220670 ;
  • Patent Document 2 JP-A-6-155310 ;
  • Patent Document 3 JP-A-6-155311 ;
  • Patent Document 4 JP-A-5-28477 ;
  • Patent Document 5 JP-A-9-22886 ;
  • Patent Document 6 JP-A-6-17374 ;
  • Patent Document 7 JP-A-7-108465 .
  • EP-A-0864289 discloses a textile fabric, for a cleaning cloth, is a nonwoven with projecting surface structures on both sides. The structures are as full or part surfaces.
  • EP-A-0744149 discloses a reusable cleaning cloth having a textile base of nonwoven fibres (cellulose at least in part), and of a number of yarn loops protruding from the cleaning surface. The loops are concentrated in separate area sections, which are separated from each other by means of non straight lines in the manner of islands. When the cloth is new, the island-like surfaces project 0.5-5 mm from the base and are isotropically staggered in relation to each other. They are 4-50 mm long and 2-10 mm wide and preferably consists of polyester.
  • US-A-4645699 discloses a cleaning material of consisting of a non-woven web of fibres having end and/or loops protruding from one face thereof, obtained by needle punching a web containing a mixture of at least two fibres, one being at least 100dtex, the other fibre having a weight less than or equal to 30 dtex.
  • a napped nonwoven fabric uses a split type conjugate fiber as a component fiber. Many fiber loops exist on the one side of the napped nonwoven fabric. The fiber loop is formed of a split fiber group developed by splitting of the split type conjugate fiber. A thermally pressed part preferably exists in a part of the area in which the fiber loop does not exist.
  • split type conjugate fibers are pressed by softening or melting of a thermoplastic resin having the lowest melting point in two or more fiber-forming thermoplastic resin components forming the split type conjugate fiber.
  • abrasive grains are bonded and fixed only to a surface layer of a nonwoven cloth with an adhesive agent. Accordingly, only the surface layer region to which the abrasive grains are bonded and fixed has an abrading power; at the same time when an adhesive agent layer is worn away, the abrasive grains are peeled off. Thus, the abrasive cloths have a problem that the abrading power falls rapidly.
  • the nonwoven cloth is impregnated with a solution of a polyurethane resin or a polysulfone resin in a polar solvent having a high boiling point, such as dimethylformamide (DMF) and subsequently the DMF solvent is removed by using water or hot water; therefore, a troublesome step, such as distillation, is necessary to collect the solvent.
  • a large amount of discharging water containing pollutants, such as BOD is generated so that a pollution problem may be caused.
  • post-treatment of the discharging water is required.
  • an object of the present invention is to provide a multipurpose cleaning cloth which makes it possible to clean stains adhering to the surface of an article to be cleaned effectively without use of a cleaner in the case of ordinary stains, or with a small amount of cleaner in the case of stubborn stains, without scratching the surface, by taking a structure itself of a nonwoven cloth into a unique consideration without bonding and fixing abrasive grains to fibers of the nonwoven cloth or a surface layer thereof or without forming a porous resin layer on fibers of the nonwoven cloth.
  • the invention provides a cleaning cloth in accordance with claim 1.
  • the thickness of regions in the nonwoven cloth, in which the ridge regions are not formed is from 1 to 3 mm, the height of the ridge regions is from 4 to 6 mm, the interval between the ridge regions is from 4 to 8 mm, and the width of the ridge regions is from 3 to 6 mm.
  • the sectional shape of the synthetic resin fiber may be triangular or rectangular.
  • the synthetic resin fibers may be formed to have a sheath/ core structure, and a core material may be made of polyester and a sheath material may be made of polyethylene having a lower melting point than that of the core material.
  • the invention has a constituent as described above, it is possible for edges of a large number of ridge regions arranged in parallel to each other to function as cleaning edges to improve a performance of cleaning the surface of an article to be cleaned. Further, since the ridge regions have the predetermined width, an appropriate strength of the ridge regions can be secured to restrain the quantity of compressive deformation (end face sagging) of the edge parts by a pushing-force during cleaning. Thus, a high cleaning performance can be kept. For example, in the case where the cleaning cloth is used while tableware or the like is washed with water, drainage is made good by grooves made between the individual ridges. Thus, the cleaning effect can be improved.
  • the production process is simple and the cleaning cloth can be produced at low cost since the ridge regions can be effectively formed by needle punching using a nonwoven cloth as a base material. Additionally, since the ridge regions, which are substantially regions for a cleaning action, are integrated with the nonwoven cloth, there is an advantageous effect that the cleaning cloth is strong and has a long lifespan.
  • ridge region edges at the middles grooves or at upper ends of the grooves also function as the cleaning edges to produce an effect that a higher cleaning performance can be obtained.
  • a core material is polyester and a sheath material is polyethylene having a lower melting point than that of the core material
  • the form of the ridge regions can be adjusted.
  • synthetic resin fibers used in a nonwoven cloth are preferably polyester resin fibers since the fibers are firm and have abrasion resistance.
  • the resin fibers each have a triangular or rectangular sectional shape and apexes thereof are made as sharp as possible, a preferable cleaning effect can be expected.
  • Fig. 1 shows a nonwoven cloth, which is a base material of a cleaning cloth A according to the invention.
  • This nonwoven cloth 1 is preferably made of polyester fibers having a fineness of 20 to 30 dtex, preferably 28 dtex, and a thickness (t) of 1 to 3 mm, preferably 1.5 mm.
  • the density of the nonwoven cloth 1 is from 0.15 to 0.40 g/cm 3 , and is preferably 0.20 g/cm 3 . If the density is 0.15 g/cm 3 or less, the strength for keeping the shape deteriorates and further the effect of pulling out the fibers with the needle punch gets worse. If the density is more than 0.40 g/cm 3 , the needles are unfavorably damaged many times.
  • the cleaning cloth of the invention is preferably a cleaning cloth wherein the height (h) of the ridge regions 2 is form 4 to 6 mm, preferably 5 mm, the width (W1) of the ridge regions 3 is from 3 to 6 mm, preferably 4 mm, the interval between the ridge regions 2, that is, the width (W2) of the grooves 3 is from 4 to 8 mm, preferably 6 mm.
  • the ridge regions 2 are formed so that a large number of fibers a protrude in a loop toward one of both surface sides thereof by needle punching means.
  • the needles are punched into the nonwoven cloth 1 along needle punching lines L having pairs of two adjacent lines L1 and L2, whereby the ridge regions 2 having a predetermined width can be formed by using the fibers a protruded toward the single surface.
  • the interval between the individual pairs of the two lines L1 and L2 is changed, for example, when the interval is made slightly large, slender immediate grooves 4 can be formed along the ridge direction between the ridge regions 2 and 2, as illustrated in Figs. 2 and 3 .
  • the ridge regions 2 having no intermediate grooves can be formed at intervals.
  • the ridge regions 2 are formed, and subsequently the surfaces of the protruded fibers are subjected to heating treatment to be shrunken, thereby adjusting the form of the ridge regions 2 and further improving the strength thereof.
  • the fibers a are rendered fibers each having a triangular form and its apexes are made sharp, as illustrated in Fig. 4(a) , or that the fibers a are made into a sheath/core structure, a core material c thereof is made of polyester, and a sheath material b thereof is made of polyethylene having a lower melting point than that of the core material c, as illustrated in Fig. 4(b) .
  • This manner makes it possible to deform some parts of the protruded and intertwined fibers a and a to adjust the form of the ridge regions 2 by subjecting the fibers to heating treatment under the condition of a temperature, which is not higher than the melting point of the core material c and causes the surface of the sheath material b to be melted.
  • the heating temperature in the heating treatment preferably ranges from 150 to 180°C.
  • the thus-formed cleaning cloth A of the first embodiment is a cleaning cloth, wherein the sectional shape of the individual fibers a, which constitute the cleaning cloth A, is made into a substantially equilateral triangle having sharp apexes.
  • stains such as hot water scurf and water scurf, and oily stains on tableware can be rubbed off with the sharp apexes of the individual fibers a.
  • the stains rubbed off once can be floated and embraced into water held between the fibers.
  • the stains are not again rubbed against the surface to be cleaned, so that stains can be effectively cleaned up only by water without using any cleaner.
  • Figs. 8 and 9 illustrate a second embodiment.
  • Fig. 8 is an enlarged view illustrating a sectional shape of a drawn monofilament made in the form of a substantial rectangle having projected portions 10, 10, ..., which are projected into four directions.
  • the monofilaments protrude in a loop by needle punching means, as in the first embodiment, to make ridge regions.
  • the thus-formed cleaning cloth also makes it possible to rub off stains such as hot water scurf and water scurf, and oily stains on tableware with the sharp apexes 10, 10, ... of the individual fibers a, which constitute the cleaning cloth.
  • stains can be effectively cleaned up only by water without using any cleaner.
  • the sectional shape of the polyester fibers a is preferably made into a sectional shape having different diameters, which has sharp apexes, as in fibers a having a substantially triangular shape or fibers a having a rectangular shape. This makes it possible to promote the cleaning performance.
  • the cleaning cloth A of the invention may be used as it is in the state that the cloth is appropriately divided and cut into the form of sheets.
  • a soft sponge support made of a foamed resin may be stuck on the lower surface of the cleaning cloth A so as to make the cloth into a cleaning tool.
  • the cleaning cloth of the invention can be used as a tool for cleaning articles in wide fields whether the articles are articles for households or industries in order to wipe off and clean stains adhering to the surface of glass, pottery, synthetic resins, metals, stone materials, and other various materials of tableware, rice cooling tools, utensils and others.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
  • Nonwoven Fabrics (AREA)
  • Multicomponent Fibers (AREA)
  • Washing And Drying Of Tableware (AREA)

Abstract

L’invention concerne un chiffon de nettoyage constitué d’un tissu non tissé comprenant des fibres de résine synthétiques de petit diamètre formées en créant de nombreux éléments en nervure parallèles à des intervalles déterminés en faisant ressortir des fibres par aiguilletage. Les bords de ces nombreux éléments en nervure parallèles peuvent servir de bords de nettoyage pour nettoyer efficacement la surface d’un objet à nettoyer. Comme chaque élément en nervure possède une largeur déterminée, le chiffon de l’invention est suffisamment résistant. Il est donc possible de réduire la déformation en compression des parties de bord causée par les forces de frottement au cours du nettoyage et d’obtenir un chiffon de nettoyage particulièrement performant.

Claims (4)

  1. Chiffon de nettoyage, dans lequel un grand nombre de régions d'arrête parallèles ayant chacune une largeur prédéterminée sont formés à intervalles prédéterminés dans une étoffe non tissée (1) faite de fibres de polyester dont la finesse est de 20 à 30 dtex de sorte que les fibres font saillie en une boucle par des moyens d'aiguilletage, et dans les milieux des régions d'arrête (2), des rainures médianes plus étroites (4) sont formées le long d'une direction d'arrête.
  2. Chiffon de nettoyage selon la revendication 1, dans lequel l'épaisseur des régions dans l'étoffe non tissée (1), dans laquelle les régions d'arrête ne sont pas formées, est de 1 à 3 mm, la hauteur des régions d'arrête (2) est de 4 à 6 mm, l'intervalle entre les régions d'arrête (2) est de 4 à 8 mm et la largeur des régions d'arrête est de 3 à 6 mm.
  3. Chiffon de nettoyage selon l'une quelconque des revendications 1 ou 2, dans lequel la forme en coupe de la fibre de résine synthétique est triangulaire ou rectangulaire.
  4. Chiffon de nettoyage selon l'une quelconque des revendications 1 à 3, dans lequel les fibres de résine synthétique sont formés pour avoir une structure gaine/coeur, et un matériau de coeur est fait de polyester et un matériau de gaine est fait de polyéthylène ayant un point de fusion plus bas que celui du matériau de coeur.
EP05782032A 2005-09-09 2005-09-09 Chiffon de nettoyage Expired - Fee Related EP1923496B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2005/016657 WO2007029335A1 (fr) 2005-09-09 2005-09-09 Chiffon de nettoyage

Publications (3)

Publication Number Publication Date
EP1923496A1 EP1923496A1 (fr) 2008-05-21
EP1923496A4 EP1923496A4 (fr) 2009-01-14
EP1923496B1 true EP1923496B1 (fr) 2010-11-10

Family

ID=37835472

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05782032A Expired - Fee Related EP1923496B1 (fr) 2005-09-09 2005-09-09 Chiffon de nettoyage

Country Status (6)

Country Link
US (1) US20090119862A1 (fr)
EP (1) EP1923496B1 (fr)
JP (1) JPWO2007029335A1 (fr)
DE (1) DE602005024721D1 (fr)
HK (1) HK1112494A1 (fr)
WO (1) WO2007029335A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4712840B2 (ja) * 2008-07-15 2011-06-29 大伸工業株式会社 車載用カーペット及びその製造方法
WO2012073544A1 (fr) * 2010-12-02 2012-06-07 ダイワボウホールディングス株式会社 Tissu non-tissé et procédé pour sa production et matériau de nettoyage
JP6159664B2 (ja) * 2014-01-31 2017-07-05 呉羽テック株式会社 通気抵抗が少ないプリーツタイプのフィルタ用不織布製濾材並びにその製造方法
JP5975540B2 (ja) * 2014-04-30 2016-08-23 孝衣 江口 洗浄布
JP6625798B2 (ja) * 2014-12-03 2019-12-25 ユニチカトレーディング株式会社 清掃布
USD799129S1 (en) * 2015-10-28 2017-10-03 Ebara Corporation Sponge for substrate cleaning
USD878694S1 (en) * 2017-06-16 2020-03-17 3M Innovative Properties Company Scouring article
USD901115S1 (en) 2016-12-22 2020-11-03 3M Innovative Properties Company Scouring article
USD955759S1 (en) * 2019-12-23 2022-06-28 Columbia Insurance Company Tufted article
USD955758S1 (en) * 2019-12-23 2022-06-28 Columbia Insurance Company Tufted article
USD954448S1 (en) * 2020-05-12 2022-06-14 Columbia Insurance Company Tufted article
USD1012566S1 (en) * 2020-05-28 2024-01-30 Emma Berumen Appliance handle cover
USD1021422S1 (en) * 2020-06-25 2024-04-09 Jan Erik Henningsen Reflective tape for ornamenting a garment

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Also Published As

Publication number Publication date
EP1923496A4 (fr) 2009-01-14
JPWO2007029335A1 (ja) 2009-03-12
EP1923496A1 (fr) 2008-05-21
US20090119862A1 (en) 2009-05-14
HK1112494A1 (en) 2008-09-05
WO2007029335A1 (fr) 2007-03-15
DE602005024721D1 (de) 2010-12-23

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