CA2503778A1 - Toothbrush and process for producing the same - Google Patents

Toothbrush and process for producing the same Download PDF

Info

Publication number
CA2503778A1
CA2503778A1 CA002503778A CA2503778A CA2503778A1 CA 2503778 A1 CA2503778 A1 CA 2503778A1 CA 002503778 A CA002503778 A CA 002503778A CA 2503778 A CA2503778 A CA 2503778A CA 2503778 A1 CA2503778 A1 CA 2503778A1
Authority
CA
Canada
Prior art keywords
carrier element
toothbrush
head part
bristles
front surface
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
CA002503778A
Other languages
French (fr)
Other versions
CA2503778C (en
CA2503778E (en
Inventor
Philipp Pfenniger
Franz Fischer
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.)
Trisa Holding AG
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA2503778E publication Critical patent/CA2503778E/en
Publication of CA2503778A1 publication Critical patent/CA2503778A1/en
Publication of CA2503778C publication Critical patent/CA2503778C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/04—Arranged like in or for toothbrushes
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
    • A46B15/0016—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means
    • A46B15/0032—Arrangements for enhancing monitoring or controlling the brushing process with enhancing means with protrusion for polishing teeth
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B17/00—Accessories for brushes
    • A46B17/08—Other accessories, e.g. scrapers, rubber buffers for preventing damage to furniture
    • 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
    • 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
    • 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
    • A46B5/0025—Brushes with elastically deformable heads that change shape during use
    • A46B5/0029—Head made of soft plastics, rubber or rubber inserts in plastics matrix
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B9/00—Arrangements of the bristles in the brush body
    • A46B9/02—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups
    • A46B9/026—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups where the surface of the brush body or carrier is not in one plane, e.g. not flat
    • 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
    • A46D3/045—Machines for inserting or fixing bristles in bodies for fixing bristles by fusing or gluing to a body
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B15/00—Other brushes; Brushes with additional arrangements
    • A46B15/0002—Arrangements for enhancing monitoring or controlling the brushing process
    • 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
    • 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
    • A46B3/20—Brushes characterised by the way in which the bristles are fixed or joined in or on the brush body or carrier the bristles being fixed or joined in rubber bodies, e.g. in soft rubber
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B7/00—Bristle carriers arranged in the brush body
    • A46B7/06—Bristle carriers arranged in the brush body movably during use, i.e. the normal brushing action causing movement

Abstract

The invention relates to a toothbrush produced by means of an AFT method, said toothbrush comprising a head part and at least one carrier element connected thereto. The front surface of the head part, formed by the surfaces of the at least one carrier element, has a solid shape deviating from a plane and/or is able to adopt one such shape in accordance with the required use. The invention also relates to a method for producing one such toothbrush.

Claims (17)

1. A toothbrush having a head part (1) and at least one carrier element (2) connected thereto, the top surface (4) or the top surfaces of the at least one carrier element (2) defining a front surface (5) of the head part (1), and the at least one carrier element (2) having a rear surface (8) and a plurality of cutouts (6) through which bristle filaments (3) are guided and, for fastening on the carrier element (2), are melted by way of their rear ends (3a), wherein the front surface (5) has a non-planar three-dimensional configuration and/or is capable of assuming such a configuration during intended use.
2. The toothbrush as claimed in claim 1, wherein the carrier element (2) is flexible and the three-dimensional configuration of the front surface (5) is produced in that a coating (11), which is formed from the melted ends of the bristle filaments (3) and at least partially covers the rear surface (8), is made to solidify in a predetermined shape.
3. The toothbrush as claimed in claim 1, wherein the carrier element (2) is flexible and the three-dimensional configuration of the front surface (5) is produced in that the carrier element (2) covered with bristles (3) is inserted, under prestressing, into a cutout (7) in the head part such that it arches.
4. The toothbrush as claimed in one of the preceding claims, wherein the carrier element (2) consists of a hard material with a predetermined thickness which allows deformation of the carrier element (2), preferably of polypropylene with a thickness of not more than 3 mm.
5. The toothbrush as claimed in one of the preceding claims, wherein the carrier element (2) consists at least partially of a soft material.
6. The toothbrush as claimed in claim 5, wherein the carrier element (2) comprises a soft component and a hard component, the periphery of the carrier element (2) consisting at least partially of the hard component.
7. The toothbrush as claimed in claim 5 or 6, wherein the carrier element (2) has a plurality of sleeves (26) which are connected to one another by webs (27) and are intended for accommodating clusters of bristles (3), the sleeves (26) and webs (27) consisting of a hard material, and at least the interspaces between the sleeves (26) and webs (27) being filled with a soft material (28).
8. The toothbrush as claimed in claim 1, wherein the carrier element (2) is dimensionally stable and formed such that its front surface (5) has a non-planar three-dimensional configuration even without the action of external forces.
9. The toothbrush as claimed in one of the preceding claims, wherein at least two carrier elements (2) are provided, these being connected to the head part (1) at different positions such that the common front surface (5) formed by the bristle-carrying top surfaces (4) of the carrier elements (2) has a non-planar configuration.
10. The toothbrush as claimed in one of the preceding claims, wherein arranged on the rear surface of the carrier element (2) is a welding border (10, 10') which is preferably located in a single plane, consists of a hard material and along which the carrier element (2) can be welded to the head part (1).
11. A head part (1) for a toothbrush as claimed in one of the preceding claims, it being possible for the head part (1), for the purpose of producing an exchangeable-head toothbrush, to be exchanged.
12. A process for producing a toothbrush as claimed in one of claims 1 to 10, having the following steps:

- guiding the bristle filaments (3) through the cutouts (6) in the at least one carrier element (2) and connecting them to the carrier element (2) by melting their rear ends (3a) using a hot die (12);
- connecting the at least one carrier element (2) to the head part (1) preferably by means of ultrasonic welding such that the front surface (5) thereof has a non-planar three-dimensional configuration and/or is capable of assuming such a configuration during intended use.
13. The process as claimed in claim 12, wherein a flexible flat carrier element (2) is provided and covered with bristles, a non-planar three-dimensional configuration of the carrier element (2) being produced by the hot die (12) as the rear bristle ends (3a) are melted.
14. The process as claimed in claim 12, wherein a flexible flat carrier element (2) is provided and covered with bristles and then inserted, under prestressing, into a cutout (7) in the head part (1), and connected to the head part (1), such that the carrier element (2) arches.
15. The process as claimed in one of claims 12-14, wherein a carrier element (2) is produced by two-component injection molding from a hard material and a soft material, then covered with bristles and connected to the head part (1), preferably by the hard component of the carrier element (2) being welded ultrasonically to the head part (1).
16. The process as claimed in claim 15, which comprises the operations of injection molding a plurality of sleeves (26), which are connected to one another by webs (27), from the hard material, filling the interspaces between the sleeves (26) and webs (27) with a soft material (28) during the injection-molding process, and introducing clusters of bristles (3) into the sleeves (26).
17. The process as claimed in claim 12, wherein the at least one carrier element (2) with a non-planar top surface (4) is provided and covered with bristles and then connected to the head part (1), preferably by being inserted into a cutout (7) which is adapted into the shape of the carrier element (2) and is located in the head part (1).
CA2503778A 2002-12-19 2003-09-26 Toothbrush and process for producing the same Expired - Fee Related CA2503778C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10259723A DE10259723A1 (en) 2002-12-19 2002-12-19 Toothbrush and process for making it
DE10259723.5 2002-12-19
PCT/EP2003/010748 WO2004056235A1 (en) 2002-12-19 2003-09-26 Toothbrush and method for producing the same

Publications (3)

Publication Number Publication Date
CA2503778E CA2503778E (en) 2004-07-08
CA2503778A1 true CA2503778A1 (en) 2004-07-08
CA2503778C CA2503778C (en) 2012-07-17

Family

ID=32404000

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2503778A Expired - Fee Related CA2503778C (en) 2002-12-19 2003-09-26 Toothbrush and process for producing the same

Country Status (12)

Country Link
US (9) US6988777B2 (en)
EP (3) EP1571945B1 (en)
KR (1) KR101052370B1 (en)
CN (2) CN100475088C (en)
AU (2) AU2003293588B2 (en)
BR (1) BR0317399A (en)
CA (1) CA2503778C (en)
DE (1) DE10259723A1 (en)
HK (1) HK1082393A1 (en)
MX (1) MXPA05005332A (en)
RU (2) RU2334445C2 (en)
WO (1) WO2004056235A1 (en)

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US20140075696A1 (en) 2014-03-20
KR101052370B1 (en) 2011-07-28
US20090193604A1 (en) 2009-08-06
KR20050084431A (en) 2005-08-26
US20130180069A1 (en) 2013-07-18
US20110258797A1 (en) 2011-10-27
AU2003293588A1 (en) 2004-07-14
CN101332012B (en) 2015-01-14
EP2292118A1 (en) 2011-03-09
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RU2008114903A (en) 2009-10-27
US8613123B2 (en) 2013-12-24
US20110010881A1 (en) 2011-01-20
US6988777B2 (en) 2006-01-24
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US20040117934A1 (en) 2004-06-24
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US7549187B2 (en) 2009-06-23
US7774891B2 (en) 2010-08-17
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US7162767B2 (en) 2007-01-16
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US20070094824A1 (en) 2007-05-03
US20060080795A1 (en) 2006-04-20

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