WO1987003180A1 - Procede de fabrication d'un element de brosse avec cadre en plastique - Google Patents

Procede de fabrication d'un element de brosse avec cadre en plastique Download PDF

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Publication number
WO1987003180A1
WO1987003180A1 PCT/FI1986/000134 FI8600134W WO8703180A1 WO 1987003180 A1 WO1987003180 A1 WO 1987003180A1 FI 8600134 W FI8600134 W FI 8600134W WO 8703180 A1 WO8703180 A1 WO 8703180A1
Authority
WO
WIPO (PCT)
Prior art keywords
plastic
brush
fibres
manufacturing
plastic mass
Prior art date
Application number
PCT/FI1986/000134
Other languages
English (en)
Inventor
Mauno Kirkkala
Original Assignee
Mauno Kirkkala
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 Mauno Kirkkala filed Critical Mauno Kirkkala
Priority to DE8686906837T priority Critical patent/DE3679332D1/de
Priority to AT86906837T priority patent/ATE63434T1/de
Publication of WO1987003180A1 publication Critical patent/WO1987003180A1/fr
Priority to DK386587A priority patent/DK159754C/da
Priority to FI882427A priority patent/FI87977C/fi

Links

Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B3/00—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier
    • A46B3/04—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by mouldable materials, e.g. metals, cellulose derivatives, plastics
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • A46D3/04—Machines for inserting or fixing bristles in bodies

Definitions

  • a manufacturing method for the manufacturing of a plastic-framed brush element In present brush elements m backing strips to which the brush fibres are attached are used. They are, howerver, heavy in construction, unbalanced, sometimes open in use so that the fibres detache themselves from the backing part.
  • the frame section is formed of plastic in such a way that a molten plastic strip (3) is sprayed top of the ribbon of joined fibres and a predetermined length of the preform thus formed is pressed between forms (4 5), when a very dimensionally exact, light, and durably constructed brush plate (6) of solid plastic is formed.
  • This invention concerns a method of manufacturing a plastic-framed brush element.
  • Previously brush elements have been manufactured in such a way that the bristle fibres have been melted or glued together at one end to form in this way a 0,5-1,5 cm thick comb-like ribbon.
  • the fibre ribbon that is manufactured by joining together is then pressed into a metal backing part, when a finished product is formed in which the points of the fibres point straight outwards from the metal backing strip.
  • Brushes are usually straight strips or round cylinder-like brush disks in model.
  • This present method includes very many work stages in the manufacture of the metal backing strip, so that the manufacturing time of the product has become unnecessarily great. Also when the brushes are in use the metal backing strips sometimes open and the fibres become detached from it. In cylinder-like models the metal backing strip has shown itself to be unbalanced in construction, so that during brushing even very strong vibration has sometimes appeared in the brushing machine itself.
  • a molten plastic mass is first sprayed on top of the joined brush fibres and that the preform thus created is placed in an open form in such a way that when the forms are closed the molten plastic mass is squeezed into the shape of the form and at the same time fills the gaps between the fibres in the backing strip.
  • Figure 1 shows the spraying of the plastic mass on top of the bristle fibre ribbon in accordance with the invention
  • Figure 2 shows a cross-section of pre-sprayed form with the molten plastic mass prior to the form being closed.
  • the example is from the manufacture of a cylinder-like brush component
  • Figure 3 shows a cross-section when the halves of the form are closed, when the plastic mass distributes itself in accordance with the form forming the solid backing part of a plastic brush sheet.
  • Figure 4 shows a finished brush element.
  • Figure 1 shows the spraying of the plastic mass on top of the brush fibres. From the one end the fibre ribbon 1 manufactured from fibres melted or glued together is transported for example between two turning conveyor belts under nozzle 2, which simultaneously squeezes the- ribbon-like molten plastic mass 3 on top of the fibre ribbon in such a. way that the plastic mass is bent by about 20-30 mm on either side of the fibre ribbon.- The thickness of the molten plastic strip is 2-15 mm depending on the volume of the backing part of the brush component. A length of the preform thus formed is cut as required and bent around the lower part 4 of the form shown in Figure 2. The upper form 5 is pressed against the lower form 3 in. accordance with Figure 3, when the plastic mass is squeezed into the shape of the form at the same time filling the gaps between the fibres in the backing strip and thus the solid plastic backing strip 6 is formed.
  • the fibres (8) are firmly fixed inside the backing strip (6), figure 4.
  • a tooth (7) is formed in it. This can be formed either directly in the form or as above by a reinforcing component added to the preform.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Brushes (AREA)
  • Moulding By Coating Moulds (AREA)
  • Pens And Brushes (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

Dans les éléments de brosse actuels, on fixe les fibres de la brosse à des bandes de support métalliques. Celles-ci sont de construction lourde, présentent un mauvais équilibre, et s'ouvrent parfois lors de l'utilisation de la brosse, de telle sorte que les fibres se détachent de la partie de support. Dans le procédé de fabrication de la présente invention, la section de cadre est formée de plastique de telle façon qu'une bande de plastique fondue (3) est vaporisée sur le dessus du ruban où sont fixées les fibres et une longueur prédéterminée de la préforme ainsi obtenue est comprimée entre les formes (4 et 5), ce qui permet d'obtenir un plateau de brosse en plastique solide, de construction durable, légère et parfaitement dimensionnée.
PCT/FI1986/000134 1985-11-26 1986-11-26 Procede de fabrication d'un element de brosse avec cadre en plastique WO1987003180A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE8686906837T DE3679332D1 (de) 1985-11-26 1986-11-26 Verfahren zur herstellung einer buersteneinheit mit kunststoffrahmen.
AT86906837T ATE63434T1 (de) 1985-11-26 1986-11-26 Verfahren zur herstellung einer buersteneinheit mit kunststoffrahmen.
DK386587A DK159754C (da) 1985-11-26 1987-07-24 Fremgangsmaade til fremstilling af et boersteelement
FI882427A FI87977C (fi) 1985-11-26 1988-05-24 Saett att tillverka ett borstelement med plastram

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI854670A FI854670A (fi) 1985-11-26 1985-11-26 Saett foer framstaellande av borstelement med plaststomme.
FI854670 1985-11-26

Publications (1)

Publication Number Publication Date
WO1987003180A1 true WO1987003180A1 (fr) 1987-06-04

Family

ID=8521742

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI1986/000134 WO1987003180A1 (fr) 1985-11-26 1986-11-26 Procede de fabrication d'un element de brosse avec cadre en plastique

Country Status (5)

Country Link
EP (1) EP0283476B1 (fr)
AU (1) AU6721087A (fr)
DK (1) DK159754C (fr)
FI (2) FI854670A (fr)
WO (1) WO1987003180A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004009338A1 (fr) * 2002-07-23 2004-01-29 Sajakorpi Oy Procede de fabrication de brosse a cassette et brosse a cassette
WO2005034678A1 (fr) * 2003-10-13 2005-04-21 Sajakorpi Oy Procede de production d'un disque de brossage, et disque de brossage correspondant

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI102350B (fi) * 1996-09-03 1998-11-30 Sajakorpi Oy Harjakiekko
PL186681B1 (pl) * 1996-11-11 2004-02-27 Sajakorpi Oy Sposób i urządzenie do wytwarzania pierścienia szczotki

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2655409A (en) * 1947-07-05 1953-10-13 Columbia Protektosite Co Inc Art of and apparatus for molding brushes
US2812214A (en) * 1952-06-21 1957-11-05 Husqvarna Brostfabrik Ab Method and a device for making brush-strips
DE1962926A1 (de) * 1969-02-06 1970-08-20 Christian Stoehr Buerste und Verfahren zu ihrer Herstellung
DE2109972A1 (de) * 1970-03-18 1971-10-07 APA KG Otto Bauder, 7012 Schmiden Bürste und Verfahren zu ihrer Herstellung
US3626509A (en) * 1969-10-08 1971-12-07 James M Rones Disposable mop assembly and method of forming disposable mophead therefor
US4092758A (en) * 1975-08-14 1978-06-06 Newark Brush Company Cast power brush
FR2414889A1 (fr) * 1978-01-24 1979-08-17 Schlegel Uk Ltd Procede de fabrication d'elements de brosse
EP0023844A1 (fr) * 1979-08-07 1981-02-11 Schlegel (Uk) Holdings Limited Eléments de brosse et leur fabrication

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2655409A (en) * 1947-07-05 1953-10-13 Columbia Protektosite Co Inc Art of and apparatus for molding brushes
US2812214A (en) * 1952-06-21 1957-11-05 Husqvarna Brostfabrik Ab Method and a device for making brush-strips
DE1962926A1 (de) * 1969-02-06 1970-08-20 Christian Stoehr Buerste und Verfahren zu ihrer Herstellung
US3626509A (en) * 1969-10-08 1971-12-07 James M Rones Disposable mop assembly and method of forming disposable mophead therefor
DE2109972A1 (de) * 1970-03-18 1971-10-07 APA KG Otto Bauder, 7012 Schmiden Bürste und Verfahren zu ihrer Herstellung
US4092758A (en) * 1975-08-14 1978-06-06 Newark Brush Company Cast power brush
FR2414889A1 (fr) * 1978-01-24 1979-08-17 Schlegel Uk Ltd Procede de fabrication d'elements de brosse
EP0023844A1 (fr) * 1979-08-07 1981-02-11 Schlegel (Uk) Holdings Limited Eléments de brosse et leur fabrication

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004009338A1 (fr) * 2002-07-23 2004-01-29 Sajakorpi Oy Procede de fabrication de brosse a cassette et brosse a cassette
WO2005034678A1 (fr) * 2003-10-13 2005-04-21 Sajakorpi Oy Procede de production d'un disque de brossage, et disque de brossage correspondant

Also Published As

Publication number Publication date
FI882427A (fi) 1988-05-24
DK386587D0 (da) 1987-07-24
DK159754C (da) 1991-07-29
FI87977C (fi) 1993-03-25
FI854670A0 (fi) 1985-11-26
EP0283476B1 (fr) 1991-05-15
FI87977B (fi) 1992-12-15
EP0283476A1 (fr) 1988-09-28
FI882427A0 (fi) 1988-05-24
DK159754B (da) 1990-12-03
DK386587A (da) 1987-07-24
AU6721087A (en) 1987-07-01
FI854670A (fi) 1987-05-27

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