EP0639058B1 - Procede de fabrication de pinceaux au moyen d'une machine et dispositif approprie - Google Patents

Procede de fabrication de pinceaux au moyen d'une machine et dispositif approprie Download PDF

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Publication number
EP0639058B1
EP0639058B1 EP93911744A EP93911744A EP0639058B1 EP 0639058 B1 EP0639058 B1 EP 0639058B1 EP 93911744 A EP93911744 A EP 93911744A EP 93911744 A EP93911744 A EP 93911744A EP 0639058 B1 EP0639058 B1 EP 0639058B1
Authority
EP
European Patent Office
Prior art keywords
bristle bundle
filler member
equipment
upper edge
brush
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 - Lifetime
Application number
EP93911744A
Other languages
German (de)
English (en)
Other versions
EP0639058A1 (fr
Inventor
Hans-Georg KÜHNE
Karl-Heinz Berger
Karl-Heinz Behrends
Frank Jaroszewski
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.)
COLORPRINT MASCHINENBAU and VERTRIEBSGESELLSCHAFT MBH
Original Assignee
COLORPRINT MASCHINENBAU and VERTRIEBSGESELLSCHAFT MBH
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 COLORPRINT MASCHINENBAU and VERTRIEBSGESELLSCHAFT MBH filed Critical COLORPRINT MASCHINENBAU and VERTRIEBSGESELLSCHAFT MBH
Publication of EP0639058A1 publication Critical patent/EP0639058A1/fr
Application granted granted Critical
Publication of EP0639058B1 publication Critical patent/EP0639058B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D3/00—Preparing, i.e. Manufacturing brush bodies
    • 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
    • A46B3/08—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping
    • A46B3/10—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping into rings or the like
    • A46B3/12—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by clamping into rings or the like specially adapted for paint-brushes
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/20—Brushes for applying products to surfaces in general
    • A46B2200/202—Applicator paint brush

Definitions

  • the invention relates to a method according to the preamble of claim 1.
  • profile-shaped sleeves for the manufacture of brushes which, in the case of an essentially cylindrical shape, have a curved bottom corresponding to the free end of the finished brush.
  • profile sleeves can be used for single and small series production, but are not suitable for large series production.
  • Brushes especially high-quality brushes, are still largely manufactured by hand.
  • pig bristles and synthetic bristles are used for paintbrushes and household brushes
  • special natural bristles are used for artist brushes.
  • Badger, weasel or marten hair are also suitable. It must be ensured that the high-quality hair or bristles (for badgers, weasels or martens, the price per kilo is up to DM 20,000) are processed with practically no losses.
  • the brush hair or bristles are combed in a first step aligned so that they have the same "line direction".
  • the bristles aligned in this way are combined into bundles of bristles of the desired extent and are largely further processed by hand in accordance with the current state of the art.
  • an upward tapering filler - usually made of cork - is inserted in the center of the bristle bundle, which creates a cavity in the interior of the bristle bundle, which serves on the one hand as a reservoir for the mass or color to be spread and on the other hand has the task to reduce the required amount of bristles and to ensure that the cord opening strap is fixed.
  • This reduction in the bristle material in the interior of the bristle bundle has no disadvantages, since the bristle ring that is created in this way widens anyway at some distance from the border in such a way that the circular ring (in cross section through the bristle bundle) becomes a closed circle again. On the other hand, a circular ring would also suffice when the paint passed and would have no really disadvantageous consequences.
  • a so-called "preliminary strip” is also provided for paintbrushes, which can be removed almost continuously step by step, so that the brush can still be used at the free end even after the bristle bundle has worn out can be removed by cutting off the supporting strip piece by piece.
  • a preliminary strip usually consists of a helical wrap around the part of the bristle bundle adjacent to the brush head with a twisted cord. The individual spiral layers are given the necessary support among themselves by knotting, gluing or in some other way.
  • the painter then removes one or more layers of the helix mentioned, for which - as already mentioned - a special twisted cord is usually used.
  • the head of the bristle bundle with the filler mentioned above is held together using a suitable binding compound, which is also referred to as "putty", and is connected to the brush head, which consists of a lid and a handle.
  • a suitable binding compound which is also referred to as "putty”
  • the cover and stem are either fitted after the two components have been assembled beforehand, or one after the other. In the case of single-conical handles, assembly must first be carried out with the lid; with double-conical handles, both variants are possible.
  • the invention has for its object to provide a method according to the preamble of claim 1, which ensures a uniform quality of the product with increased output regardless of manual skills of a person.
  • the most important component of a brush is the bristle bundle 10 (or hair bundle). This is provided with a centrally located filler 11 in the course of production. Subsequently, the brush head formed from the filler 11 and the bristle bundle 10 surrounding it is formed to be concave, if necessary, with a flat top. The initially flat upper end 12 of the bristle bundle 10 is thereby formed into a depression 13. The other, free end 14 of the bristle bundle 10, also called the bristle tip or bristle flag, is inevitably given a convex shape. Other designs are also conceivable.
  • the above-mentioned concavely shaped upper end 12 of the bristle bundle 10 is filled with a hardenable binding compound 15, the so-called "putty", which also partially penetrates into the upper part 16 of the bristle bundle 10, solidifies it and also an intimate connection between the bristle bundle 10 and the filler 11.
  • a substance based on a curable epoxy resin with an oily to pasty consistency is preferably used as the binder.
  • the binder 15 must be in the Be able, due to their consistency, to penetrate sufficiently far into the upper part 16 of the bristle bundle 10, since it is intended there to solidify the corresponding part of the bristle bundle 10.
  • the putty also serves to connect the previously described brush head with lid 17 and brush handle 18.
  • the handle of the brush can be single or double conical. In the first case there is a uniform conical course over the entire length of the handle, in the second case the brush handle 18 tapers from both sides, starting from a point approximately at the height of the sleeve 19 of the cover 17 to be attached to it later.
  • the aforementioned lid 17 is connected, which produces the outer end of the bristle bundle 10 and the transition to the brush handle 18 in the finished brush.
  • the individual steps of the method for the mechanized or automated production of a previously described brush are explained below. Reference is made to FIG. 2 for explanation.
  • the bristle bundle 10 of the desired size is gripped in a suitable device and held hanging.
  • two or more separating slides 22 move radially towards the center 23 of the bristle bundle 10.
  • These separating slides have an essentially knife-like shape and lie with their - but blunt "cutting edges" - essentially on a radius of the bristle bundle 10. They can - if two such separating slides 22 are present - also on the "cutting side", each with complementary L-profiles be provided which interlock. In the case of a larger number of such separating slides 22, these can possibly also extend slightly beyond such a radius and be slightly offset in height in relation to one another.
  • the slide gate 22 are expediently arranged at a uniform angular distance from one another.
  • a plurality of separating slides 22 can also be provided, which then, as shown in FIG. 3, create a plurality of openings for a plurality of packing elements 11, which as material 28 are drawn off continuously (continuously or quasi-continuously) from one or more rollers.
  • the cross-sectional area of the upper edge 12 of the bristle bundle 10 - if desired - can be deformed by placing a corresponding profile part in such a way that a concave shape is produced.
  • This design on the upper edge 12 of the bristle bundle 10 creates a convex shape of the bristle bundle 10 at its lower end 14, as is required or desired in practice.
  • Binding mass 15 (putty) entered after a ring, preferably made of plastic or a nickel-iron compound (for paintbrushes), was placed, which comprises the upper edge of the bristle bundle 10, and finally the unit formed from the brush handle 18 and lid 17 put on. After the putty has hardened, the brush is basically finished.
  • the hardening of the binding compound 15 (of the cement) should also take place in the production unit.
  • the finished brushes are temporarily stored in a buffer magazine in a device with a corresponding secured holder, for example on pallets with guide elements for bristle bundles 10 and brush handle 18.
  • the curing time is about one to two hours.
  • the buffer magazine must therefore have a corresponding storage capacity.
  • Paintbrushes with a metal ring can also be machined.
  • the cover 17, which is preferably made of plastic, has three vertical webs on its outer circumferential surface, ie where it later contacts the metal ring, evenly distributed over the circumference. These preferably conical webs enable the cover 17 to be introduced more easily into the cylindrical metal ring.
  • the brush cover, and thus also the brush handle 18 connected to it, is adequately held until the binder 15 hardens via the webs mentioned, which ensure a snug fit or a slight press fit of the cover 17 in the metal ring. The previously existing risk that the brush handle 18 tilts relative to the brush head is thus eliminated.
  • paintbrushes have a support.
  • the place of the later opening act is initially taken by a second ring, a so-called auxiliary ring.
  • this second ring, the auxiliary ring is mechanically advanced by approx. 10 mm (downwards) in order to avoid the undesired flow of the putty beyond the lower edge of the first ring.
  • the complete removal of the auxiliary ring, which is necessary after the putty has hardened, can also be done mechanically.
  • the preliminary strip 24 is then attached. It preferably consists of a twisted cord which is helically wrapped around the bristle bundle 10 below the first ring and solidified in itself by means of suitable connecting means, such as knots, adhesives or the like.
  • the preliminary strip 24 can be removed step by step by the painter, which ensures a sufficient free length of the bristle bundle 10 even when worn at the lower edge of the bristle bundle 10.
  • the filler 11 can be introduced into the bristle bundle 10 in the manner described above.
  • the use of an auxiliary ring is omitted here, because household brushes are made with a plastic ring, in which only an imitation of the opening strip is molded onto the ring instead of the opening strip.
  • the filler 11 which, in addition to cork, can also consist of other materials such as wood, plastic or cardboard, and can also consist of several individual units can be constructed, after the positioned introduction of the continuously supplied material 28 into the bristle bundle 10 can be cut to the appropriate length.
  • the cutting is preferably carried out using a counter-rotating double knife 25, 26 specially developed for this purpose with counterhold 27 for the filler elements 11 (FIG. 3).
  • an oscillating movement can also be superimposed on the actual cutting movement of the double knives 25, 26.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Brushes (AREA)
  • Pens And Brushes (AREA)
  • Coating Apparatus (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Claims (18)

  1. Procédé de fabrication de pinceaux comprenant une pièce intercalaire de remplissage disposée au centre de la partie supérieure du faisceau de poils dont l'extrémité libre présente une structure prédéterminée caractérisé en ce que un faisceau de poils (10) de taille suffisante est maintenu en suspension libre dans la zone de son tiers supérieur environ et reçoit par deux ou plusieurs éléments séparateurs (22) une ou plusieurs couvertures en forme d'entonnoirs orientés vers le haut et en ce que une pièce intercalaire de remplissage (11) est avancée depuis le haut dans l'intérieur du faisceau de poils (10) jusqu'à venir au niveau du bord supérieur (12) dudit faisceau de poils (10).
  2. Procédé selon la revendication 1 caractérisé en ce que le bord supérieur (12) de l'unité composée du faisceau de poils (10) et de la pièce intercalaire de remplissage (11) est ensuite façonné pour présenter une forme concave.
  3. Procédé selon l'une des revendications 1 ou 2 caractérisé en ce que la pièce intercalaire de remplissage (11) constituée en tant que de besoin de plusieurs pièces individuelles, est amenée de façon continue à partir d'un ou plusieurs rouleaux, et, après l'introduction et le positionnement dans le faisceau de poils, est coupée à la longueur souhaitée par un outil à deux lames (25), (26) à mouvement opposé.
  4. Procédé selon la revendication 3 caractérisé en ce que un mouvement d'oscillation peut se superposer au mouvement de découpe de l'outil à deux lames (25), (26).
  5. Procédé selon l'une des revendications 3 ou à 4 caractérisé par un élément de contre-appui (27) disposé du côté de la pièce intercalaire de remplissage (11) opposé au tranchant des lames (25), (26).
  6. Procédé selon l'une des revendications 1 à 5 caractérisé en ce que le bord supérieur (12) de l'unité composée du faisceau de poils (10) et de la pièce intercalaire de remplissage (11) est pourvu d'un anneau et en ce que le creux à l'intérieur dudit anneau est rempli par une masse agglutinante (15) de consistance huileuse ou pâteuse de sorte que ladite masse agglutinante pénètre au moins partiellement dans la partie supérieure (16) du faisceau de poils (10).
  7. Procédé selon la revendication 6 caractérisé par l'utilisation d'un anneau métallique.
  8. Procédé selon les revendications 6 ou 7 caractérisé en ce que un anneau auxiliaire complémentaire est glissé sur le faisceau de poils (10).
  9. Procédé selon l'une des revendications 1 à 8 caractérisé par le montage final du manche (18) avec le chapeau (17).
  10. Procédé selon la revendication 9 caractérisé en ce que les pinceaux finis sont positionnés et maintenus dans un dispositif de guidage pendant le processus de durcissement de la masse agglutinante (15), jusqu'à écoulement du temps de durcissement.
  11. Dispositif pour la mise en oeuvre du procédé selon la revendication 1 caractérisé par
    - une installation pour le maintien en suspension libre du faisceau de poils (10),
    - une installation pour l'ouverture de l'entonnoir dans le faisceau de poils (10) à l'aide de deux ou plusieurs éléments séparateurs (22) orientés et déplaçables vers le centre (23) du faisceau de poils (10),
    - une installation pour l'introduction de la pièce intercalaire de remplissage (11) et sa mise au niveau du bord supérieur (12) du faisceau de poils (10).
  12. Dispositif selon la revendication 11 caractérisé par une installation pour donner la forme souhaitée au bord supérieur (12) de l'unité composée du faisceau de poils (10) et de la pièce intercalaire de remplissage (11).
  13. Dispositif selon l'une des revendications 11 ou 12 caractérisé par une installation pour l'alimentation quasi-continue en matière pour former la pièce intercalaire de remplissage (11) et par un ou plusieurs outils à deux lames (25), (26) à mouvement opposé pour couper la matière amenée pour former la pièce intercalaire de remplissage à la longueur souhaitée.
  14. Dispositif selon la revendication 13 caractérisé en ce que les outils à deux lames (25), (26) effectuent en complément à leur mouvement de coupe un mouvement superposé d'oscillation en direction de la coupe.
  15. Dispositif selon l'une des revendications 13 ou 14 caractérisé par un élément de contre-appui (27) disposé du côté de la pièce intercalaire de remplissage (11) opposé au tranchant des lames.
  16. Dispositif selon l'une des revendications 11 à 15 caractérisé par une installation supplémentaire pour monter le manche (18) et le chapeau (17) du pinceau sur la tête de celui-ci.
  17. Dispositif selon l'une des revendications 11 à 16 caractérisé par une installation supplémentaire pour l'entreposage des produits dans une position garantie pendant le temps de durcissement de la masse agglutinante (15).
  18. Dispositif selon l'une des revendications 11 à 17 caractérisé par une installation supplémentaire pour l'amenée en temps voulu de la masse agglutinante (15) huileuse ou pâteuse vers le bord supérieur (12) de l'unité composée du faisceau de poils (10) et de la pièce intercalaire de remplissage (11).
EP93911744A 1992-05-06 1993-05-06 Procede de fabrication de pinceaux au moyen d'une machine et dispositif approprie Expired - Lifetime EP0639058B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE9206072U DE9206072U1 (fr) 1992-05-06 1992-05-06
DE9206072U 1992-05-06
PCT/DE1993/000415 WO1993021795A1 (fr) 1992-05-06 1993-05-06 Procede de fabrication de pinceaux au moyen d'une machine et dispositif approprie

Publications (2)

Publication Number Publication Date
EP0639058A1 EP0639058A1 (fr) 1995-02-22
EP0639058B1 true EP0639058B1 (fr) 1997-01-22

Family

ID=6879172

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93911744A Expired - Lifetime EP0639058B1 (fr) 1992-05-06 1993-05-06 Procede de fabrication de pinceaux au moyen d'une machine et dispositif approprie

Country Status (4)

Country Link
EP (1) EP0639058B1 (fr)
AT (1) ATE147950T1 (fr)
DE (2) DE9206072U1 (fr)
WO (1) WO1993021795A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1005949C2 (nl) * 1997-05-01 1998-11-03 Brushsafe B V Kwast, alsmede set met een dergelijke kwast en een houder.
WO2001067920A1 (fr) * 2000-03-13 2001-09-20 Iacobelli Daniele Procede et dispositif de fabrication de pinceaux ou analogues
US8308246B2 (en) * 2010-03-19 2012-11-13 Chung Tae Sang Method for manufacturing toothbrush and toothbrush manufactured by the method
US10051953B2 (en) 2014-11-11 2018-08-21 Lg Harris & Co Limited Method of forming a bristle stack for paint brushes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB704590A (en) * 1952-03-25 1954-02-24 Henry Mortimer Improved method of making and securing in their ferrules bristle tufts for brushes
DE3024382A1 (de) * 1980-06-26 1982-01-07 Gustav Ferdinand 1000 Berlin Motzkus Borstenpinsel mit hochgeschuesseltem kopf und profilformhuelse mit profilvordrueckstempel fuer seine handwerkliche oder maschinelle herstellung
DE3025010A1 (de) * 1980-07-02 1982-01-21 Krysta, geb. Reichel, Anni, 8534 Wilhermsdorf Verfahren zur herstellung eines pinsels, pinsel und vorrichtung zur durchfuehrung des verfahrens

Also Published As

Publication number Publication date
EP0639058A1 (fr) 1995-02-22
DE59305272D1 (de) 1997-03-06
ATE147950T1 (de) 1997-02-15
WO1993021795A1 (fr) 1993-11-11
DE9206072U1 (fr) 1992-11-12

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