EP0289489A1 - Procede pour la fabrication d'articles a soies. - Google Patents

Procede pour la fabrication d'articles a soies.

Info

Publication number
EP0289489A1
EP0289489A1 EP86906813A EP86906813A EP0289489A1 EP 0289489 A1 EP0289489 A1 EP 0289489A1 EP 86906813 A EP86906813 A EP 86906813A EP 86906813 A EP86906813 A EP 86906813A EP 0289489 A1 EP0289489 A1 EP 0289489A1
Authority
EP
European Patent Office
Prior art keywords
bristle
bristles
bristle carrier
holes
hole
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.)
Granted
Application number
EP86906813A
Other languages
German (de)
English (en)
Other versions
EP0289489B1 (fr
Inventor
Georg Weihrauch
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.)
Coronet Werke GmbH
Original Assignee
Coronet Werke GmbH
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 Coronet Werke GmbH filed Critical Coronet Werke GmbH
Priority to ES86906813T priority Critical patent/ES2013727B3/es
Publication of EP0289489A1 publication Critical patent/EP0289489A1/fr
Application granted granted Critical
Publication of EP0289489B1 publication Critical patent/EP0289489B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A46B3/06—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by welding together bristles made of metal wires or plastic materials

Definitions

  • the invention relates to a method for producing bristle goods with a bristle carrier which has at least one hole on each side for receiving it. of individual or bundled plastic bristles to form a bristle stock on the opposite sides, and bristle articles produced by this method.
  • bristle goods of the aforementioned type are hand washing brushes or toothbrushes covered on both sides, belts, tapes or disks covered with bristles for technical purposes, in particular for brushing machines or mats provided with bristles on both sides, for example, foot mats.
  • Such bristle products have so far been produced in such a way that in the case of rigid bristle carriers, on the be blind holes on the sides - usually in mutual offset - and the bristles are introduced into these holes, which are then anchored in the holes.
  • a perforated or tissue-like structure is often used and bristles are removed by the open structure threaded and mechanically attached to the bristle holder. The processes are complex in terms of production technology and are expensive.
  • the invention has for its object to provide a method for the production of bristle goods with bristles or bristle goods of this type, which are simple and inexpensive to manufacture, secure anchoring of the bristles in the bristle carrier with any selection of the Permitted material for the bristle carrier.
  • the invention takes the path of the bristles on one side of the bristle carrier colliding directly with the bristles on the other side, as a result of which the melted ones Ends connect to one another in the case of weldable plastics or in the case of non-weldable plastics Press plastics against the perforated wall and this creates a frictional connection.
  • the bristle carrier which does not have to participate in the melt connection itself, but can participate if necessary, is made of any material, for example plastic, wood, metal or the same can exist without the connection of the bristles to one another and to the bristle carrier being adversely affected.
  • projections and / or undercuts and / or roughness for anchoring the bristles in the melted area are provided on the bristle carrier in the area of the holes, for example on the occasion of its manufacture or subsequently produced by hot molding.
  • the provision of protrusions, undercuts or even only roughness on the through holes of the bristle carrier improve the anchoring of the bristles, these measures being effective against pull-out forces in both directions.
  • undercuts or protrusions in terms of production technology is possible without difficulty both with mechanical or thermal manufacture of the holes and with the manufacture of the bristle carrier and the holes by casting, for example injection molding, since everyone is in the clear width the protrusion protruding on both sides of the holes forms an undercut for the bristles facing away from each other, so that in fact only protrusions or roughness are necessary in order to achieve an improved pull-out anchoring.
  • the melt remains on the outside of the bristle carrier to form a supporting bead.
  • a bristle product produced according to the aforementioned method with a bristle holder and plastic bristles arranged on opposite sides in holes in the bristle holder is distinguished according to the invention in that the holes arranged on opposite sides are connected to one another and those from opposite ⁇ overlying sides in the holes, at least until the bristles are brought into mutual contact, are connected to one another by fusing in the contact area. It is preferably provided that the bristle holder has projections and / or undercuts and / or roughness for anchoring the bristles in the region of its holes.
  • the bristle carrier has through-holes and projections projecting inwards therein, the projections being able to be designed as individual or ring-shaped closed lugs, as transverse webs or as a constriction of the through-hole.
  • a modified embodiment is characterized in that the merging holes are arranged on the opposite sides of the bristle carrier in such a way that they are offset from one another in the transition region.
  • the offset of one hole relative to the other creates an undercut for the bristles are created on the opposite side.
  • Staggered holes if they overlap in depth, can lead to the formation of feet with non-weldable bristle material to form feet.
  • the bristle carrier has a ring-shaped elevation projecting above its surface at the opening edge of the holes. This annular increase surrounds the melt displaced when the melted bristle ends are introduced. This measure also makes it possible to make the bristle carrier extremely thin-walled, if necessary flexible, and nevertheless to obtain a sufficiently large depth of the holes for fastening and guiding (lateral support) of the bristles.
  • annular elevation on the inside has an inlet slope for the insertion of the bristle bundles
  • the melting bead formed when the bristle ends are melted can be introduced more easily into the hole. This can be supported by the fact that the holes in the bristle carrier have bevels extending inwards from their opening edge.
  • bristle articles produced according to the invention not only can bristles and bristle carriers consist of different materials, but also the bristles themselves can consist of different plastics, since in the melting range they are pressed against the perforated wall and / or in connection with the Protrusions or roughnesses on the through holes are adequately anchored even if the two materials do not weld to one another. It goes without saying that bristles made of different materials in different configurations and densities can also be arranged in regions on a single bristle carrier.
  • Bet The invention further ifft a process for preparing stellun ⁇ bristle products w ith a bristle carrier with regard ⁇ least a through hole for receiving individual or in bundles combined plastic bristles to form a bristle field on only one side of the bristle carrier.
  • bristle products are known in many embodiments as hand brushes, machine brushes, etc. They are produced in the same way as described above in connection with bristle products which are bristled on both sides of the bristle carrier. With regard to the prior art, reference can also be made to the introductory statements.
  • a simple and inexpensive manufacture and a safe anchoring of the plastic bristles in the bristle carrier with an arbitrary selection of the material for the bristle carrier is feasible according to the invention in that the passage 1 is also provided with at least one projection and / or one rear part, and that the bristles are melted at their end to be fastened in the bristle carrier and the melt is formed after insertion of the bristles into the through hole in the region of the projection or undercut from the rear of the bristle carrier.
  • the bristles can be inserted into the through hole from the back of the bristle carrier with their end of use ahead, melted into the through hole at this end before their other end enters, then completely inserted and then or subsequently the melt is opened the projection or undercut is formed from the back of the bristle carrier.
  • This process variant has the advantage that the bristles have to be moved in only one direction.
  • the invention further relates to bristle articles manufactured according to the aforementioned method, which consist of a bristle carrier and bristles arranged in a through hole thereof.
  • this is characterized in that the through hole protrusions or Having undercuts and that the bristles by Auf ⁇ their melt disposed in the bristle carrier end and molding the melt to the protrusion or the cut Schu ⁇ Borstenträ 'eng are attached.
  • the projection or. Undercut of noses, ring beads or the like protruding into the through hole instead, it is also possible to form the undercut by means of an increase in the diameter of the through hole on the back of the bristle carrier.
  • FIG. 1 is a schematic representation of a
  • FIG. 2 shows a section of an embodiment of a brush
  • a bristle carrier (1) can be seen in longitudinal section in FIG. 1, as is known, for example, for hand-washing brushes with bristle trimmings on both sides.
  • the bristle carrier (1) which can be made of any material, has through holes or bores (2), which are made during the manufacture (injection molding, foaming or the like) or afterwards by drilling, thermoforming or the like can be generated.
  • a bristle bundle (3) is inserted from each side into each through hole (2) of the bristle carrier (1) and is melted at its end (4) beforehand.
  • the bristle bundles (3) preferably sit in a common holder for each side of the bristle carrier (1), so that they can be inserted into the through holes (2) at the same time.
  • the ends (4) of the bristle bundles (3) can be melted by contact heat or by contactless heating.
  • the so-called hot mirror is shown by way of example, in which between the clamped bristle carrier (1) and those seated in the holders, not shown
  • the bristle bundles (3) are introduced until they collide at the melted ends and the melt spreads out in the through hole.
  • the type of anchoring of the bristle bundles in the bristle carrier (1) can take place in various ways, as is described below with the aid of several embodiments.
  • the through-hole (2) in the bristle carrier (1) is designed as a continuous cylindrical bore, possibly provided with a certain surface roughness.
  • This thickening (6) lies non-positively on the wall of the through hole (2), so that the bristle bundles (3) are anchored here.
  • FIG. 5 shows an embodiment which is also suitable for non-weldable material.
  • projections (9) are provided in the through hole (2) in the central region, but at different heights. The offset of the projections (9) allows the melt (10) of each bundle of bristles to flow behind one or part of these projections (9), so that each bundle of bristles (3) is anchored in the bristle holder. 11, several such nose-like projections (9) can be arranged on the inner circumference of the through hole (2).
  • FIG. 6 shows a bristle carrier (1) in the form of a tube (11), in which the bristle bundles (3) turn again after their melted ends converge
  • FIG. 7 shows a similar embodiment with a very thin bristle carrier (1) with sleeve-like guides (12) protruding on both sides, which in turn form a through hole (2) in which the bristle bundles (3) with a thickening (6) are non-positively are anchored.
  • FIG. 8 shows an embodiment in which the bristle carrier (1) 2 has holes (2) introduced or produced from opposite sides, the axes of which are offset from each other, so that an undercut (13) is created.
  • the melt flows behind the undercuts (13), forming a thickening (14), so that each bundle of bristles is anchored in a form-fitting manner.
  • This embodiment is also suitable for bristle material that cannot be welded to one another.
  • a very thin-walled bristle carrier (1) is again provided, which can optionally also be designed to be flexible and flexible.
  • the end of the bristle bundles (3) is melted so far that when the bristle bundles (3) are inserted into the through hole (2) and when they collide, a small amount of melt is accumulated on the outer sides 15 of the bristle carrier (1). which results in a bead (16) after cooling. Because the melt flows together in the central region (17), the bristle bundles (3) are again secured against pull-out forces in both directions.
  • FIG. 10 shows only a detailed view of a bristle carrier (1) with a through hole (2), within which a transverse web (18) is arranged, which ensures the necessary anchoring of the bristle bundles if necessary.
  • the through hole (2) is produced by two mutually offset holes, the bottom (19) of which in each case forms an undercut for the bundle of bristles inserted from the opposite side.
  • the two holes are not offset in depth. Therefore, this embodiment is preferably suitable for Borstenmat 'erial that is weldable together.
  • FIG. 13 an exemplary embodiment is shown in which the through hole (2) has conical walls (20) which have a kind of an! forms slopes for the melt of the bristle bundle. Possibly. the inlet slope can also be extended to a bead (21) projecting beyond the outside of the bristle carrier (1).
  • any plastic can be used for the bristles and that — with the appropriate mechanical anchoring means n — different plastics can also be used for the two sides of the bristle carrier, in order to harden different bristles, for example to achieve on both sides. It is also possible to use bristle bundles of different diameters or cross-sections or with different numbers of bristles and / or bristles on both sides of the bristle carrier.
  • the bristle carrier can be made of any material. It is also possible to use almost any thin bristle carrier, since a very small height is sufficient for the force-locking or positive anchoring, in particular band brushes or the like can also be produced in this way for industrial purposes. In the foregoing, only a few possibilities that the invention offers are shown.
  • FIGS. 14 to 18 show various variants of a method for producing bristle articles with only one-sided bristle stock.
  • the bristle carrier (22) is made of any material. It has one or more through holes (23) which are provided with projections or undercuts (24).
  • the bristles (25) are inserted into the through holes individually or in bundles and melted at their end located in the bristle holder.
  • the melted end (26) is molded onto the projections or undercuts (24) from the rear (27) of the bristle carrier (22).
  • the projection (24) is formed by a type of annular bead which engages in the melted-on end (26) obtained after cooling.
  • the bundle of bristles can either be inserted from the rear 27 of the bristle carrier and, during the insertion movement, be melted at its trailing end before being immersed in the through-hole (23), and the melt can be molded on by means of a die stamping into the through-hole (23).
  • FIG. 15 shows an embodiment in which the undercut is produced by an increase in the diameter (29) of the through hole (23).
  • the melted end (30) is molded onto the undercut (29) by upsetting or pressing , by means of a shaping stamp (31).
  • the embodiment according to FIG. 16 differs from that according to FIG. 14 only in that the melted end (32) is flush with the rear side (27) of the bristle carrier (22) concludes, in which a corresponding form stamp (31) is used here and the bristles (25) are brought into a corresponding position with their melted end (32).
  • the bristle bundle (25) is either inserted into the through hole (23) from the rear side of the bristle carrier (22) or from the front side through the through hole to over the back is led protruding.
  • the bristles by means of a -beispielmik electrically heated punch form are (34) at the projecting end (33) - melted and the melt Is Required to the edge of the through hole (23) rmt ', where it penetrates into a ring groove (34) and at the same time a chamfer (35) at the rear end of the passage! fills (23) so that the melted and hardened end (35) is flush with the back (27) of the bristle carrier (22).
  • forming punch (28 ,.31) can un ⁇ indirectly serve as melting tool, 'but be at least hitzt er ⁇ to the melt does not solidify as quickly ate 1.

Abstract

Articles à soies comportant un support (1) de soies, lequel possède sur des faces opposées au moins un trou (2) destiné à recevoir des soies artificielles (3) individuelles ou réunies en touffes pour former une garniture de soies sur les faces opposées. On réalise lesdits articles en positionnant les trous dans le support (1) de manière telle qu'ils se confondent, que les soies (3) présentées des deux côtés du support (1) soient fondues au niveau de leurs extrémités adjacentes audit support (1) et soient introduites dans les trous opposés jusqu'à l'intérieur des trous.
EP86906813A 1986-11-11 1986-11-11 Procede pour la fabrication d'articles a soies Expired - Lifetime EP0289489B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES86906813T ES2013727B3 (es) 1986-11-11 1986-11-11 Procedimiento para la fabricacion de articulos de cerdas y articulos de cerdas fabricadas por dicho procedimiento.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP1986/000651 WO1988003376A1 (fr) 1986-11-11 1986-11-11 Procede pour la fabrication d'articles a soies

Publications (2)

Publication Number Publication Date
EP0289489A1 true EP0289489A1 (fr) 1988-11-09
EP0289489B1 EP0289489B1 (fr) 1990-02-07

Family

ID=8165155

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86906813A Expired - Lifetime EP0289489B1 (fr) 1986-11-11 1986-11-11 Procede pour la fabrication d'articles a soies

Country Status (6)

Country Link
US (1) US4936633A (fr)
EP (1) EP0289489B1 (fr)
JP (1) JPH01501366A (fr)
DE (2) DE3668765D1 (fr)
ES (1) ES2013727B3 (fr)
WO (1) WO1988003376A1 (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5035468A (en) * 1990-05-11 1991-07-30 James Brown Surgical scrub brush
DE4027108A1 (de) * 1990-08-28 1992-03-05 Schlerf Coronet Werke Verfahren zum verbinden von borstenbuendeln mit einem borstentraeger aus kunststoff und vorrichtung hierfuer
US5224763A (en) * 1991-12-30 1993-07-06 The Procter & Gamble Company Method of fastening bristle tufts to bristle carrier
US5349715A (en) * 1992-09-04 1994-09-27 Tucel Industries, Inc. Brush fabric cleaner
DE19738256C2 (de) * 1997-09-02 1999-09-23 Rueb F A Holding Gmbh Verfahren und Vorrichtung zum Herstellen von Borstenfeldern sowie damit hergestelltes Borstenfeld
US20010003600A1 (en) 1998-07-10 2001-06-14 Gordon G. Guay Method of manufacturing a textured toothbrush bristle
FR2808981B1 (fr) 2000-05-19 2002-12-13 Oreal Applicateur a ame non torsadee
US20030094848A1 (en) * 2001-11-20 2003-05-22 Chih-Yuan Shia Fused filament tuft and fused brush strip
US7930792B2 (en) * 2007-01-19 2011-04-26 Colgate-Palmolive Company Oral care implement
US8806695B2 (en) 2002-08-09 2014-08-19 Colgate-Palmolive Company Oral care implement having flexibly supported cleaning elements extending in opposite directions
AU2016201428B2 (en) * 2003-03-14 2019-04-18 The Gillette Company Llc Toothbrush head
US20050236014A1 (en) * 2004-04-22 2005-10-27 Hach Company System and method for a sonde sensor cleaning system
ES2265286B1 (es) * 2005-07-18 2007-12-01 Dols Industrial De Peluqueria, S.A. "cepillo para el cabello".
US8156599B2 (en) * 2007-10-03 2012-04-17 Colgate-Palmolive Company Oral care implement having a head insert
EP2225966A1 (fr) * 2009-03-04 2010-09-08 Braun GmbH Soie de brosse à dents et son procédé de fabrication

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DE1049823B (fr) * 1959-02-05
DE618031C (de) * 1935-08-31 Erich Hiller Dipl Ing Verfahren zur Herstellung von Buersten und Besen mittels Buerstenstanzmaschinen und endloser Besatzstoffe, wie Wollfaeden, Baumwollgarne u. dgl.
GB527237A (en) * 1938-04-14 1940-10-04 Guillaume Ducart Process for manufacturing articles such, in particular, as brushes and brooms, provided with projecting elements
DE730159C (de) * 1939-04-26 1943-01-07 Kurt Unger Verfahren zur Herstellung von Malerbuersten und Pinseln
GB588576A (en) * 1945-01-05 1947-05-28 Robert Arbuthnott Kinnear Improvements in the manufacture of moulded brushes
US3053575A (en) * 1962-03-21 1962-09-11 Zeilstra Jan Romkes Method for the manufacture of brushware with a metal holder in which the fiber tufts consist of thermoplastic material
US3471202A (en) * 1966-09-12 1969-10-07 John C Lewis Jr Brush machinery and brush constructions
GB1221793A (en) * 1967-12-23 1971-02-10 Workshops For The Blind Brushes
CH546550A (de) * 1971-10-20 1974-03-15 Blankschein Werner Verfahren und vorrichtung zum herstellen von haar- oder borstenbuendeln aus einem haar- oder borstenbund.
DE2335468C3 (de) * 1973-07-12 1980-11-27 Tucel Industries, Inc., Middlebury, Vt. (V.St.A.) Vorrichtung zum Herstellen von Borstenkörpern
CH581455A5 (fr) * 1974-09-04 1976-11-15 Hersche Bruno
DE2812746C2 (de) * 1978-03-23 1985-05-30 Friedrich Schlesinger, Maschinenfabrik, 3558 Frankenberg Maschine zur Herstellung von Bürsten
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EP0149996A3 (fr) * 1984-01-10 1987-10-21 Schlesinger GmbH & Co. Maschinenbau KG Procédé et machine pour fabriquer des brosses
DE3501098A1 (de) * 1985-01-15 1986-07-17 Wolfgang 6149 Rimbach Bickel Besen, buersten oder dergleichen

Non-Patent Citations (1)

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Title
See references of WO8803376A1 *

Also Published As

Publication number Publication date
DE3668765D1 (de) 1990-03-15
ES2013727B3 (es) 1990-06-01
DE8690193U1 (fr) 1988-09-15
JPH01501366A (ja) 1989-05-18
WO1988003376A1 (fr) 1988-05-19
EP0289489B1 (fr) 1990-02-07
US4936633A (en) 1990-06-26

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