EP2632293A1 - Brosse et procédé pour fabriquer une brosse - Google Patents

Brosse et procédé pour fabriquer une brosse

Info

Publication number
EP2632293A1
EP2632293A1 EP10781417.0A EP10781417A EP2632293A1 EP 2632293 A1 EP2632293 A1 EP 2632293A1 EP 10781417 A EP10781417 A EP 10781417A EP 2632293 A1 EP2632293 A1 EP 2632293A1
Authority
EP
European Patent Office
Prior art keywords
bristle carrier
brush
brush body
bristle
material component
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
EP10781417.0A
Other languages
German (de)
English (en)
Other versions
EP2632293B1 (fr
Inventor
Arno Flesch
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.)
Zahoransky GmbH Formen und Werkzeugbau
Original Assignee
Zahoransky GmbH Formen und Werkzeugbau
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=44244368&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2632293(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Zahoransky GmbH Formen und Werkzeugbau filed Critical Zahoransky GmbH Formen und Werkzeugbau
Publication of EP2632293A1 publication Critical patent/EP2632293A1/fr
Application granted granted Critical
Publication of EP2632293B1 publication Critical patent/EP2632293B1/fr
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A46B3/005—Bristle carriers and bristles moulded as a unit
    • 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
    • A46B3/02—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier by pitch, resin, cement, or other adhesives
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0055—Brushes combined with other articles normally separate from the brushing process, e.g. combs, razors, mirrors
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B5/00—Brush bodies; Handles integral with brushware
    • A46B5/002—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions
    • A46B5/0054—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body
    • A46B5/0062—Brush bodies; Handles integral with brushware having articulations, joints or flexible portions designed to allow relative positioning of the head to body being flexible or resilient during use
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/06—Arrangement of mixed bristles or tufts of bristles, e.g. wire, fibre, rubber
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/10—For human or animal care
    • A46B2200/1066—Toothbrush for cleaning the teeth or dentures

Definitions

  • the invention relates to a brush with a brush body and held on a bristle carrier bristle bundles and to a method for their preparation.
  • the bristles are not stuffed into the brush body, but the bristle bundles in the brush body around the plastic material and thus held on the brush body, there is the problem that when spraying the brush body by the high injection pressure liquid plastic material is pushed up by the individual filaments of the bristle bundles or at the bundle edge and this excess plastic material is then visible on the brush surface and the brush is so useless.
  • various devices and methods are already known.
  • CONFIRMATION COPY Brush body is a rigid connection and the bundles of bristles in use can not adapt to the surface to be processed, which would be particularly advantageous in toothbrushes.
  • the solution to this problem according to the invention consists in that the bundles of bristles are embedded with their fastening-side end in the bristle carrier and that an intermediate layer of an additional material component is provided between the brush body and the bristle carrier.
  • the fastening-side ends of the bristle bundles are enclosed by the material of the bristle carrier and the bristle carrier forms a separating layer which holds the intermediate layer and the bristle bundles at a distance.
  • the additional material component thus does not come into contact with the bundles of bristles during injection, as a result of which overspraying in the bristle area is reliably avoided.
  • the fastening-side ends of the bristle bundles can also be melted in and the individual bristle filaments of a bundle of bristles can be connected to one another.
  • the intermediate layer consists of elastic material.
  • the bristle carrier with the bristle bundles is elastic, practically “floating”, attached to the brush body and thus, in the case of a toothbrush when brushing, dodge and adapt to the teeth, allowing a more thorough and gentle cleaning.
  • a kind of suspension is formed for the bristle bundles thus a kind of suspension is formed.
  • bristle carriers It is also possible for a plurality of bristle carriers to be provided on a brush body. Several bristle carriers can be put together to form a larger overall bristle field, whereby different combinations of different bristle carriers are possible in order to be able to easily produce different brushes.
  • the intermediate layer protrudes in the transverse direction to the longitudinal direction of the bristle at least in sections over the outer circumference of the brush body and / or the bristle carrier. This results in a completely or partially around the brush head circumferential pad, which can be used as protection or as an additional functional element, for example, for tongue cleaning. It may also be provided additional functional elements of the additional material component, which are connected to the intermediate layer. These can then be produced in an injection process with the intermediate layer.
  • a tongue scraper or a mucous membrane protection can be provided.
  • lamellar knobs arranged parallel to them can protrude, with which the gums can be massaged when brushing the teeth.
  • the intermediate layer with the brush body and the bristle carrier may each be connected materially.
  • the intermediate layer can also serve as a link to combine two different materials for the brush body and the bristle carrier, which can not be directly connected to each other.
  • the intermediate layer is welded or adhesively bonded to the brush body and the bristle carrier in each case.
  • bristle carrier and / or the brush body serve as spacers in the manufacture of the brush.
  • One element bristle carrier or brush body
  • This ensures a defined position with correct spacing between the two elements.
  • the support elements may be formed tapering. ever according to the degree of hardness of the support elements, the free ends are removed during assembly of bristle carrier and brush body or pressed into the other element. This causes on the one hand a good hold of the two elements together, which can be particularly advantageous if the elements were prefabricated and only after several days of storage, in which slight deformations may result, are connected to each other. On the other hand, creates a tension that presses the brush body and the bristle carrier against the mold surfaces of the mold during injection of the additional material component, whereby a precise positioning of the elements is ensured.
  • the free ends of the support elements of the bristle carrier in each case engage in a receptacle of the brush body and / or the free ends of the support elements of the brush body in each case in a receptacle of the bristle carrier.
  • the high angular accelerations between brush body and bristle carrier can be transmitted better.
  • the receptacles of the bristle carrier and / or of the brush body can each have an undercut and the free ends of the support elements each have a corresponding counterprofiling.
  • the bristle bundles can in particular by encapsulation of their fused mounting ends with the bristle carrier, the is formed by the encapsulation, are connected. However, it is also possible that the bristle bundles are stuffed into a bundle receiving holes having bristle carrier with anchor loops or anchor plate. It is also conceivable gluing or welding the bristle bundles to a prefabricated bristle carrier.
  • the invention is characterized in that an additional material component is introduced as a connecting means between the brush body and the bristle carrier. This results in the finished brush already explained above advantages.
  • the brush body and the bristle carrier are held spaced from each other and the additional material component introduced into the space between the brush body and bristle carrier.
  • the additional material component which usually takes place in the injection molding in the heated state, this fills the gap and thereby forms a material connection between the brush body and bristle carrier.
  • This manufacturing method has the great advantage that both the brush body and the bristle carrier can be previously produced on separate injection molding machines and then the introduction of the additional material component is carried out on a third injection molding machine.
  • Each of these three injection molding machines can be made small and simple, so that the initial costs for a corresponding production device are low and cost-effective production is possible.
  • a very wide variety of prefabricated brush bodies and bristle carriers can be connected to one another at the third injection molding machine with the additional material component, so that a great deal of effort can be made with little effort.
  • tige brush assortment for example, with brush bodies of different colors and handle shape and bristle carriers can be made with differently shaped bristle field.
  • the bristle carrier can be overmolded with the additional material component, and then the bristle carrier provided with the additional material component is overmolded with further material to form the brush body.
  • a further variant of the erf indungswashen method provides that the additional material component is applied to the brush body, that the bristle carrier is applied to the additional material component and that then the brush body and the Borstisnyes each with the additional borrowed material component be verbimden.
  • the bonding of the brush body and the bristle carrier with the additional material component can be effected in particular by melting.
  • Fig. 6 each a cross section of an inventive
  • a generally designated 1 brush has, according to Figures 1 to 6 each have a brush body 2 and bristle bundles 3, the at their connection-side end have a fused holding portion 6 and are held on a bristle carrier 4, on. Both the brush body 2 and the bristle carrier 4 are each an injection molded part of rigid material.
  • an intermediate layer 5 made of an additional, elastic material component is provided between the brush body 2 and the bristle carrier 4.
  • the bristle carrier 4 is not rigidly connected to the brush body 2, but stored practically “floating" so that the bristle bundles 3 evade better when using the trained here as a toothbrush brush 1 and can adapt to the contour of the teeth, creating a more thorough and Gentle cleaning is possible.
  • the fastening-side ends of the bristle bundles 3 are each enclosed by the material of the bristle carrier 4, so that the bristle carrier 4 forms a separating layer which holds the intermediate layer 5 and the bristle bundles 3 at a distance.
  • the additional material component of the intermediate layer 5 thus does not come into contact with the bristle material or the fused holding region 6 of the bristle bundles 3, so that overmolding in the bristle region is avoided when the additional material component of the intermediate layer 5 is injected during the manufacture of the brush 1.
  • the intermediate layer 5 and the bristle carrier 4 are arranged in a trough-like depression of the brush body 2.
  • the elastic material component of the intermediate layer 5 is visible only as a border on the bristle field side, while the side surfaces of the brush body 2 are determined by its material.
  • the elastic extends Material of the intermediate layer 5 to the edge of the brush body 2 and the bristle carrier 4, so that the elastic material of the intermediate layer 5 is laterally visible.
  • the bristle carrier 4 can deflect laterally stronger than in the brush of Figure 1 and move relative to the brush body 2, so that the bristle bundles 3 can even more adapted to the teeth or the surface to be cleaned.
  • the elastic material of the intermediate layer 5 is laterally beyond the bristle carrier 4 and at the free end of the brush body 2 via this.
  • the intermediate layer 5 thus additionally forms a cushion with which the brush 1 can be protected against damage.
  • support elements 7 projecting in the direction of the brush body 2 are provided on the bristle carrier 4 with which the bristle carrier 4 bears against the brush body 2. This enables exact positioning of the bristle carrier 4 and of the brush body 2 relative to each other during insertion into the injection mold for spraying the intermediate layer 5 and a correspondingly accurate spacing of the bristle carrier 4 and the brush body 2 from each other. Due to the tapered support elements 7, these are additionally pressed easily into the material of the brush body 2, as a result of which the hold is further improved.
  • the brush body 2 a plurality of support elements 7 which engage with their free end respectively in a receptacle 8 of the bristle carrier 4 and thus brush body 2 and bristle carrier 4 are also stored at a defined distance from each other.
  • the support elements 7 in the receptacles 8 a bes- Sere power transmission between the brush body 2 and bristle carrier 4 given, which is particularly important for oscillating brush heads rotating electric toothbrushes.
  • the additional material component not only the intermediate layer 5 is sprayed in the brush 1 according to Figure 5, but also additional functional elements in the form of a in the bristle field above Massagenoppe 9a and a tongue scraper 9b on the back of the brush body 2.
  • the additional functional elements are with the intermediate layer 5, so that they can be produced in a common injection molding in a suitably trained mold.
  • the brush 1 according to FIG. 6 also has additional functional elements in the form of a tongue scraper 9b and a mucous membrane protection 9c. The latter is intended to prevent injuries in the mouth during cleaning.
  • support elements 7 are provided on the brush body 2, on which the bristle carrier 4 rests and thus, similar to the brush 1 of FIG. 4, are provided with a defined distance between the support elements 7 on the bristle carrier 4 Brush body 2 and bristle carrier 4 for spraying the intermediate layer 5 is formed.
  • the brushes 1 can each be produced by the bristle carrier 4 carrying the bristle bundles 3 is inserted into an injection molding machine and there first, the additional material component for the intermediate layer 5 and then further material for the formation of the brush body 2 is molded.

Landscapes

  • Brushes (AREA)

Abstract

L'invention concerne une brosse (1) comprenant un corps de brosse (2) et des paquets de poils (3) maintenus sur un support de poils (4), dans laquelle les paquets de poils (3) sont insérés par leur extrémité côté fixation dans le support de poils (4). Une couche intermédiaire (5) à base d'un composant de matériau supplémentaire est disposée entre le corps de brosse (2) et le support de poils (4).
EP10781417.0A 2010-10-25 2010-10-25 Brosse et procédé pour fabriquer une brosse Revoked EP2632293B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2010/006504 WO2012055423A1 (fr) 2010-10-25 2010-10-25 Brosse et procédé pour fabriquer une brosse

Publications (2)

Publication Number Publication Date
EP2632293A1 true EP2632293A1 (fr) 2013-09-04
EP2632293B1 EP2632293B1 (fr) 2016-09-28

Family

ID=44244368

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10781417.0A Revoked EP2632293B1 (fr) 2010-10-25 2010-10-25 Brosse et procédé pour fabriquer une brosse

Country Status (4)

Country Link
US (1) US20130205529A1 (fr)
EP (1) EP2632293B1 (fr)
CN (1) CN202476831U (fr)
WO (1) WO2012055423A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9486059B2 (en) 2012-03-01 2016-11-08 Colgate-Palmolive Company Oral care implement
US20140359955A1 (en) * 2013-06-05 2014-12-11 Acumen Co., Ltd. Toothbrush
JP6629341B2 (ja) * 2015-05-14 2020-01-15 コーニンクレッカ フィリップス エヌ ヴェＫｏｎｉｎｋｌｉｊｋｅ Ｐｈｉｌｉｐｓ Ｎ．Ｖ． ブラシヘッドアセンブリ及び製造方法
EP4233640A3 (fr) 2015-12-01 2023-12-13 Colgate-Palmolive Company Instrument d'hygiène buccale
MX2018007609A (es) 2015-12-28 2018-09-21 Colgate Palmolive Co Cepillo con suministro de fluido.
USD785948S1 (en) 2016-03-02 2017-05-09 Quickie Manufacturing Corporation Broom head with two-toned bristles
CN109330171B (zh) * 2018-11-26 2023-11-14 山东商业职业技术学院 一种复合洗车刷
WO2021012069A1 (fr) * 2019-07-19 2021-01-28 龙昌兄弟股份有限公司 Structure de fixation de tête de brosse à dents et procédé de fixation associé
CN110353401A (zh) * 2019-08-05 2019-10-22 慈溪赛嘉电子有限公司 刷头及刷头制作方法

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Also Published As

Publication number Publication date
CN202476831U (zh) 2012-10-10
EP2632293B1 (fr) 2016-09-28
US20130205529A1 (en) 2013-08-15
WO2012055423A1 (fr) 2012-05-03

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