EP1397977A1 - Bürstenwalze - Google Patents

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Publication number
EP1397977A1
EP1397977A1 EP02256424A EP02256424A EP1397977A1 EP 1397977 A1 EP1397977 A1 EP 1397977A1 EP 02256424 A EP02256424 A EP 02256424A EP 02256424 A EP02256424 A EP 02256424A EP 1397977 A1 EP1397977 A1 EP 1397977A1
Authority
EP
European Patent Office
Prior art keywords
brush
filling material
brush filling
roll
filaments
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.)
Withdrawn
Application number
EP02256424A
Other languages
English (en)
French (fr)
Inventor
Setsuo c/o Hotani Co. Ltd. Hotani
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.)
Hotani Co Ltd
Original Assignee
Hotani 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 Hotani Co Ltd filed Critical Hotani Co Ltd
Priority to EP02256424A priority Critical patent/EP1397977A1/de
Priority to US10/243,919 priority patent/US20040049871A1/en
Publication of EP1397977A1 publication Critical patent/EP1397977A1/de
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/02—Bristles details
    • A46D1/023—Bristles with at least a core and at least a partial sheath
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B13/00—Brushes with driven brush bodies or carriers
    • A46B13/001—Cylindrical or annular brush bodies
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles

Definitions

  • the present invention relates to a brush roll used mainly for cleaning and brushing strips in the iron manufacturing industry, for example.
  • this sort of brush roll uses the brush filling material consisting of fibers of the same diameter.
  • the existing brush rolls have the color-difference Lab value (cleaning capability index) of 85.93 for 100 meters/minute of strip line speed (the line speed of strip is usually 100 meters/minute (hereinafter it is abbreviated to "mpm")) or 83.85 for 200mpm, which cannot be necessarily said to be high in cleaning capability.
  • mpm line speed of strip
  • the existing brush rolls have the drawback that when the line speed of more than 100mpm is selected, the cleaning capabilities are drastically reduced.
  • the present invention has been made to solve the problems involved in the prior art mentioned above. It is the object of the present invention to provide a brush roll that can provide high cleaning capabilities and besides meticulous cleaning and brushing without clogging.
  • the present invention provides a brush roll comprising a roll shaft; first brush filling material comprising either of a single yarn of a filament having a diameter of 0.1-2.0 mm and a collective fiber comprising 3-56 filaments made into a bundle; and second brush filling material comprising 100-3,000 filaments having a diameter of 0.005-0.05 mm made into a bundle, the first brush filling material and the second brush filling material being so arranged around an outside surface of the roll shaft that they can be distributed in such a relation as to be mixed with each other.
  • the ratio of the diameter of the single yarn or collective fiber used for the first brush filling material to the diameter of the collective fiber used for the second brush filling material is not limited to any particular ratio, it is preferable that the ratio is, for example, in the range of about 20:1 to about 5:1. Further preferably, the ratio is in the order of 10:1 for producing a drastic effect.
  • the same filaments as the filaments of the brush filling material generally used for the brush roll applied to the strip cleaning in the iron manufacturing industry may be applied as the first and second brush filling materials.
  • the single yarn or “the collective fiber” of the first brush filling material and “the collective fiber” of the second brush filling material indicate the “main body” of each of the first and second brush filling materials. The same thing applies to the entire specification including claims. Some examples of the "main body” are as follows.
  • the center core is equivalent to the main body.
  • the center core is equivalent to the main body.
  • the center core is equivalent to the main body.
  • the center core is equivalent to the main body.
  • the filaments in the twisted yarn form is equivalent to the main body.
  • the filaments in the twisted rope form is equivalent to the main body.
  • the brush roll according to the present invention provides the desirable results of providing the meticulous cleaning and brushing without clogging and besides the high cleaning capabilities in the cleaning of the strip in the iron manufacturing industry.
  • the desirable results as follows.
  • the brush filling materials are required to be generally equal in density of distribution over the entire surface of the strip to be cleaned and have the thick density corresponding to the desired cleaning result. If the filament of the brush filling material is thick, such a thick density of distribution causes the brush filling materials to fall down like dominoes by the brushing resistance when brushing and, as a result, the good cleaning result cannot be provided.
  • the first brush filling material comprising the single yarn or collective fiber comprising a predetermined number of filaments having a predetermined thickness and the second brush filling material comprising the collective fiber comprising a predetermined number of filaments having a predetermined diameter smaller than the filament of the first brush filling material are so arranged that they can be distributed in such a pattern as to be substantially equally mixed with each other around an outside surface of the roll shaft
  • the second brush filling material whose collective fiber comprising a predetermined number of filaments having a predetermined small diameter, serves as a kind of cushion to prevent the first brush filling material from falling down like dominoes.
  • the second brush filling material serves to hold a group of the first brush filling materials in their implanted state in which the first brush filling materials are implanted with spaced from each other like a forest.
  • the second brush filling material since the collective fiber of the second brush filling material includes the filaments of relatively thin, the second brush filling material serves to provide the meticulous cleaning. Besides, although the collective fiber of the second brush filling material includes the filaments having the thinness as mentioned above, since the second brush filling material is distributed in such a pattern as to be substantially equally mixed with the first brush filling material comprising a predetermined number of filaments of relatively thick, the clogging between the second brush filling materials is prevented.
  • reference numeral 1 designates a brush roll for cleaning a strip manufactured in the iron manufacturing industry.
  • the reference numeral 1 is represented in the underlined form.
  • the underlined numeral 1 shows the entirety of the brush roll. The same thing applies to the other underlined numerals.
  • the first brush filling material 3A (See FIG. 2(A)) and the second brush filling material 3B (See FIG. 2(B)) are used in combination so as to be densely placed around the outside of a roll shaft 2 of the brush roll 1.
  • the placement of the first brush filling material 3A and the second brush filling material 3B around the outside of the roll shaft 2 can be carried out in the same manner as in the placement of the existing brush filling material, as mentioned below.
  • a circular disc 4 is used, as shown in FIG. 8.
  • the disc 4 is made of a metal sheet.
  • the disc 4 has a shaft insertion hole 10 formed at a center thereof for the roll shaft 2 to pass through; a number of brush filling material implanting holes 11 arranged in parallel around the outside thereof; and fine openings 12 formed at positions adjacent to the implanting holes 11.
  • the circular disc 4 which has around its outside edge portion the brush filling materials implanted in such a manner that a required number of brush filling materials can be densely collected at tips thereof, is fixedly fitted onto the roll shaft 2 through the shaft insertion hole 10, as shown in FIG. 9. A number of circular discs 4 thus fitted on the roll shaft 2 are compressed axially and fixedly clamped to the roll shaft 2, to thereby produce the brush roll having the configuration shown in FIG. 1.
  • FIG. 9 illustrates the circular disc 4 having the first brush filling materials 3A implanted therein and the circular disc 4 having the second brush filling materials 3B implanted therein are laid side by side.
  • a brushing device 5 comprising a grooved metal support 20 in which the first brush filling materials 3A or the second brush filling materials 3B are densely implanted may alternatively be used, as shown in FIG. 10.
  • This brushing device 5 is spirally wound around the outside of the roll shaft 2 in a dense relation and fixed.
  • the first brush filling material 3A comprises as the main constituent collective fiber 31A comprising 3 to 56 synthetic filaments, such as polyamide filaments, having the diameter of 0.1-2.0mm.
  • the second brush filling material 3B comprises as the main body collective fiber 32B comprising 100 to 3,000 synthetic filaments, such as polyamide filaments, having the diameter of 0.005-0.05mm.
  • the first brush filling material 3A may be used in the form of covering 30A.
  • the covering 30A is produced by a bundle of an adequate number of (e.g. seven) synthetic filaments 32A, such as polyamide filaments, having the diameter of the order of 0.1mm being spirally wound around the outside of a required collective fibers 31A (See FIG. 2(A)) or being plaited therearound in the form of a plaited cord (See FIG. 3(A)), first, and, then, the synthetic filaments 32A thus wound or plaited being impregnated with adhesive resin and then solidified (hereinafter this treatment is referred to as "resin set treatment").
  • synthetic filaments 32A such as polyamide filaments
  • the covering 30A may alternatively have a single helix structure with the synthetic filaments 32A of either the right-hand wind and the left-hand wind.
  • the collective fiber 31A of the first brush filling material 3A may be in the form of a twisted yarn (See FIG. 4(A)) or rope (See FIG. 4(B)) of a required number of filaments twisted. In this case, the collective fiber 31A having the covering 30A formed therearound as shown in FIG. 2(A) and FIG. 3(A) is also included in the first brush filling material 3A.
  • the first brush filling material 3A may comprise as the main body a single yarn 33 of a single synthetic filament, such as polyamide fiber, having the diameter of 0.1-2.0mm (See FIG. 5).
  • a single synthetic filament such as polyamide fiber
  • the first brush filling material 3A shown in FIG. 5 is formed by a single yarn 33 only.
  • the first brush filling material 3A covers those that are in the form of the covering 30A produced by a bundle of an adequate number of (e.g. seven) synthetic filaments 32A, such as polyamide fibers, having the diameter of the order of 0.1mm being spirally wound around the outside of the single yarn 33 (See FIG. 6) or being plaited therearound in the form of a plaited cord (See FIG.
  • the covering 30A shown in FIG. 6 has the single helix structure with the synthetic filaments 32A of right-hand wind, for example, the covering 30A may alternatively have the double helix structure with the synthetic filaments 32A of the right-hand wind and the left-hand wind.
  • the second brush filling material 3B may be used in the form of covering 30B.
  • the covering 30B is produced by a bundle of an adequate number of (e.g. two hundreds and ten) synthetic filaments 32B, such as polyamide filaments, having the diameter of the order of 0.02mm being spirally wound around the outside of a required collective fiber 31B (See FIG. 2(B)) or being plaited therearound in the form of a plaited cord (See FIG. 3(B)), followed by the same resin set treatment of the synthetic filaments 32B thus wound or plaited.
  • synthetic filaments 32B such as polyamide filaments
  • the covering 30B may alternatively have the single helix structure with the synthetic filaments 32B of either the right-hand wind and the left-hand wind.
  • the collective fiber 31B of the second brush filling material 3B may be in the form of a twisted yarn (See FIG. 4(A)) or rope (See FIG. 4(B)) of a required number of fibers twisted. In that case, the collective fibers 31B having the covering 30B formed therearound as shown in FIG. 2(B) and FIG. 3(B) is also included in the second brush filling material 38 .
  • the resin set treatment that can offer adequate reinforcement of the coverings 30A, 30B wound or plaited around the collective fibers 31A, 31B is enough, and the degree of the fixation that can allow the first brush filling material 3A and the second filling material 3B to flex when brushing is enough.
  • a variant that one of the first brush filling material 3A and the second brush filling material 3B is given the covering and the other is not given the covering is also covered by the present invention.
  • the first brush filling material 3A and the second brush filling material 3B are so arranged around the outside surface of the brush roll 1 that they can be distributed in such a relation as to be substantially equally mixed with each other. This arrangement is obtained in the following specific way. It is to be noted that the first brush filling material and the second brush filling material around the outside surface of the brush roll 1 are just required to be generally equal in density of distribution to the brush filling materials in the conventional brush roll.
  • two types of circular discs i.e., the circular disc 4 in which the first brush filling materials 3A are implanted and the circular disc 4 in which the second filling materials 3B are implanted are prepared, as shown in FIG. 9.
  • the circular discs are arranged on the roll shaft 2, with alternating layers of the former type of disc and the latter type of disc, or with alternating layers of a group of an adequate number of discs of the former type having the first brush filling materials and a group of an adequate number of discs of the latter type having the second brush filling materials.
  • the single circular disc 4 may be so structured that the first brush filling materials and the second filling materials are alternately implanted around the margin of the disc so as to have an adequate distribution.
  • two types of brushing devices i.e., a brushing device 5 with a grooved metal support 20 in which the first brush filling materials 3A are implanted and a brushing device 5 with a grooved metal support 20 in which the second filling materials 3B are implanted
  • These two types of brushing devices are arranged in rows on the roll shaft 2 in a screw-shaped arrangement, with the former brushing device and the latter brushing device disposed side by side alternately, or with the former brushing devices 5 in groups of adequate number arranged in rows and the latter brushing devices 5 in groups of adequate number arranged in rows.
  • the single grooved metal support 20 may be so structured that the first brush filling materials and the second filling materials are alternately implanted along the longitudinal direction of the support so as to have an adequate distribution.
  • Example of the present invention will be described. Shown in Example is an example of the brush roll arranging a plurality of circular discs on the roll shaft. Parts of the brush roll of Example are cited below.
  • the first brush filling material with covering which is produced by bundles of seven polyamide fibers of the diameter of 0.1 mm being wound around a bundle of fourteen polyamide fibers of the diameter of 0.2 mm so as to have a double helix structure with the bundles of fibers of right-hand wind and left-hand wind, followed by the resin set treatment.
  • the second brush filling material with covering which is produced by bundles of two hundreds and ten polyamide fibers of the diameter of 0.02 mm being wound around a bundle of six hundreds and thirty polyamide fibers of the diameter of 0.02 mm so as to have the double helix structure with the bundles of fibers of right-hand wind and left-hand wind, followed by the resin set treatment.
  • the applicable circular disc 1 is a disc having thirty nine implanting holes which are arranged in parallel around the margin of the periphery of the disc and in which the first brush filling materials are implanted, respectively.
  • the implanting pattern is the same as the embodiment of the present invention mentioned above (See FIG. 9).
  • the applicable circular disc 2 is a disc having thirty nine implanting holes arranged in parallel around the margin of the periphery of the disc, the disc 2 being the same as the applicable circular disc 1, except that the second brush filling materials are implanted in the implanting holes, respectively.
  • the circular discs 1 and the circular discs 2 are arranged on the roll shaft, so as to alternate with each other along the axial direction of the roll shaft. Twelve discs in total (six discs for each) are used.
  • the brush roll of Comparative Example 1 put to the test is the same as the brush roll of Example, except that the brush filling material consists of the same brush filling material as the first brush filling material used in Example. In other words, only one type of circular discs having the first brush filling materials implanted around the margin of the discs are mounted on the roll shaft.
  • the brush roll of Comparative Example 2 put to the test is the same as the brush roll of Example, except that the brush filling material comprises a single yarn of a monofilament having a diameter of 0.4 mm.
  • the brush filling material comprises a single yarn of a monofilament having a diameter of 0.4 mm.
  • only one type of circular discs each having the single yarn implanted around the margin of the discs are mounted on the roll shaft.
  • FIG. 11 The test results on the cleaning capability of the brush roll of Example are shown in FIG. 11, together with the test results on the cleaning capabilities of Comparative Example 1 and Comparative Example 2.
  • FIG. 11 three sequential lines extending downwardly side by side indicate the test results of the brush rolls of Example, Comparative Example 1 and Comparative Example 2 in the order from highest to lowest, respectively.
  • the chain line B in the highest level indicates a blank value of a blank adhesive tape (solid state).
  • the cleaning tests were conducted on the brush roll of Example, the brush roll of Comparative Example 1 and the brush roll of Comparative Example 2.
  • the upper and lower sides of the strip to be cleaned (NSC/N 2TCM strip) running at a predetermined speed were cleaned by brushing with the rotating brush roll, while spray liquid is sprayed thereto.
  • the spray liquid used was an aqueous liquid (60°C) comprising 2 wt% of sodium hydrate (NaOH) and 0.2wt% of AD-2000ESP (cleaning additives available from Daido Kagaku Kogyo K.K.).
  • the strip (steel sheet) to be cleaned was wetted with the spray liquid sprayed in the spray zone 5 meter before the brushing zone with the brush roll.
  • the strip to be cleaned was brushed with the brush roll in the brushing zone with the brush roll, while 0.05 liter of the spray liquid per minute was sprayed to each 1 mm in width of the strip to be cleaned (width with respect to the direction orthogonal to the traveling direction of the strip). This procedure which is for a single pass of the strip, was followed for each of the three strips to be cleaned.
  • the cleaning capability mentioned later is expressed as a mean value of the evaluation data (Lab value) obtained for the three strips to be cleaned.
  • the pressure-sensitive adhesive tapes were stuck to the surfaces of the strips to be cleaned mentioned above and then peeled off.
  • the adhesive tapes peeled off were stuck to a white board of a prescribed brightness, to measure the spectral reflectance factors of the adhesive tapes.
  • the spectral reflectance factors were measured with the spectrophotometer (SE2000 available from Nippon Denshoku Industries).
  • SE2000 available from Nippon Denshoku Industries
  • the spectral reflectance factors are each written as a reduced value where a value of the prescribed black board is taken as 0 and a value of the prescribed white board is taken as 100.
  • the reduced value is the color difference Lab value.
  • the color-difference Lab value of the blank adhesive tape stuck which was not stuck to any surface of the strip to be cleaned was 89.45 when measuring that blank adhesive tape stuck on the white board.
  • the color-difference Lab value of the surfaces of the strip measured after the adhesive tapes stuck to the NSC/N 2TCM strip were peeled off was 90.42.
  • the color-difference Lab value of the brush roll of Example is 87.88 when the line speed (strip running speed) was 50mpm, and also the color-difference Lab value of the brush roll of Example was kept high as 86.68 even when the line speed was 200mpm.
  • the color-difference values of Example are higher than the color-difference values of Comparative Examples 1 and 2, and the cleaning capability of the brush roll of Example is fairly superior to those of Comparative Examples.
  • FIGS. 12 to 15 the other test results of the brush roll of Example are shown in FIGS. 12 to 15.
  • the dashed line indicates the test results of the brush roll of Example and the solid line indicates the test results of the brush roll of Comparative Example 1.
  • the brush roll of Example put to these tests is the same as that of Example put to the test of FIG. 11, and the brush rolls of Comparative Example 1 put to these tests are the same as those put to the test of FIG. 11.
  • the brush roll of Example is substantially the same as the brush roll of Comparative Example 1 in motor output force, torque, and horizontal force in relation to the screw-in of the brush roll and yet it is even stronger in perpendicular force than Comparative Example 1. It is understood from this that the brush roll of Example has excellent cleaning capabilities.
  • the present invention can be practicably embodied as mentioned above and the brush roll of the embodied form of the present invention can provide the result of providing the high cleaning capabilities for the strips manufactured in the iron manufacturing industry and besides the meticulous cleaning and brushing without clogging.

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EP02256424A 2002-09-13 2002-09-13 Bürstenwalze Withdrawn EP1397977A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP02256424A EP1397977A1 (de) 2002-09-13 2002-09-13 Bürstenwalze
US10/243,919 US20040049871A1 (en) 2002-09-13 2002-09-16 Brush roll

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP02256424A EP1397977A1 (de) 2002-09-13 2002-09-13 Bürstenwalze
US10/243,919 US20040049871A1 (en) 2002-09-13 2002-09-16 Brush roll

Publications (1)

Publication Number Publication Date
EP1397977A1 true EP1397977A1 (de) 2004-03-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP02256424A Withdrawn EP1397977A1 (de) 2002-09-13 2002-09-13 Bürstenwalze

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EP (1) EP1397977A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100154153A1 (en) * 2008-12-24 2010-06-24 766089 Alberta Ltd. Pipeline pig brush
KR101558382B1 (ko) * 2014-06-16 2015-10-19 현대자동차 주식회사 와이핑 장치

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3969090A (en) * 1973-06-22 1976-07-13 Anderson Corporation Industrial brush
GB2106020A (en) * 1981-09-25 1983-04-07 Avco Corp Deburring method and apparatus
JPH01262805A (ja) * 1988-04-14 1989-10-19 Kazuo Ishikawa 複合ブラシ材
US5177910A (en) * 1989-09-28 1993-01-12 Teijin Limited Striated flexible sheet material for brush and brush structure thereof
JPH09294632A (ja) * 1996-04-30 1997-11-18 Nippon Unit Kk ブラシ用素材
US5737794A (en) * 1992-03-19 1998-04-14 Minnesota Mining And Manufacturing Company Composite abrasive filaments, methods of making same, articles incorporating same, and methods of using said articles
JP2001275755A (ja) * 2000-03-30 2001-10-09 Hotani:Kk ブラシ毛材或いはブリッスル材
US6352471B1 (en) * 1995-11-16 2002-03-05 3M Innovative Properties Company Abrasive brush with filaments having plastic abrasive particles therein

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4586211A (en) * 1985-01-22 1986-05-06 Phillips Dan D Tile surface cleaning apparatus
US5452490A (en) * 1993-07-02 1995-09-26 Royal Appliance Mfg. Co. Brushroll with dual row of bristles

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3969090A (en) * 1973-06-22 1976-07-13 Anderson Corporation Industrial brush
GB2106020A (en) * 1981-09-25 1983-04-07 Avco Corp Deburring method and apparatus
JPH01262805A (ja) * 1988-04-14 1989-10-19 Kazuo Ishikawa 複合ブラシ材
US5177910A (en) * 1989-09-28 1993-01-12 Teijin Limited Striated flexible sheet material for brush and brush structure thereof
US5737794A (en) * 1992-03-19 1998-04-14 Minnesota Mining And Manufacturing Company Composite abrasive filaments, methods of making same, articles incorporating same, and methods of using said articles
US6352471B1 (en) * 1995-11-16 2002-03-05 3M Innovative Properties Company Abrasive brush with filaments having plastic abrasive particles therein
JPH09294632A (ja) * 1996-04-30 1997-11-18 Nippon Unit Kk ブラシ用素材
JP2001275755A (ja) * 2000-03-30 2001-10-09 Hotani:Kk ブラシ毛材或いはブリッスル材

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 014, no. 020 (C - 676) 17 January 1990 (1990-01-17) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 03 27 February 1998 (1998-02-27) *
PATENT ABSTRACTS OF JAPAN vol. 2002, no. 02 2 April 2002 (2002-04-02) *

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