EP0893958A1 - Brosse pour masser la gencive et brosser les dents et procede permettant de produire des soies convenant a une brosse de ce type - Google Patents

Brosse pour masser la gencive et brosser les dents et procede permettant de produire des soies convenant a une brosse de ce type

Info

Publication number
EP0893958A1
EP0893958A1 EP97920666A EP97920666A EP0893958A1 EP 0893958 A1 EP0893958 A1 EP 0893958A1 EP 97920666 A EP97920666 A EP 97920666A EP 97920666 A EP97920666 A EP 97920666A EP 0893958 A1 EP0893958 A1 EP 0893958A1
Authority
EP
European Patent Office
Prior art keywords
bristles
monofilament
bristle
brush
pairs
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
EP97920666A
Other languages
German (de)
English (en)
Other versions
EP0893958B1 (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
Publication of EP0893958A1 publication Critical patent/EP0893958A1/fr
Application granted granted Critical
Publication of EP0893958B1 publication Critical patent/EP0893958B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/02—Bristles details
    • A46D1/0238—Bristles with non-round cross-section
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46D—MANUFACTURE OF BRUSHES
    • A46D1/00—Bristles; Selection of materials for bristles
    • A46D1/08—Preparing uniform tufts of bristles
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
    • D02G1/14—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics using grooved rollers or gear-wheel-type members

Definitions

  • the invention relates to a brush for gum massage and tooth cleaning, consisting of a bristle holder with a handle and bristles made of plastic which are attached to the bristle holder individually or in bundles.
  • Oral hygiene today includes not only tooth cleaning, but also gum massage to prevent gingivitis, periodontal disease, etc.
  • Toothbrushes of a conventional type whether manually or electrically powered, do the job of cleaning teeth adequately, but not that of gum massage, especially if both Effects on a single trajectory should be achieved.
  • the bristle ends are particularly effective for cleaning teeth, especially in the interdental spaces, but are often too aggressive for gum massage, especially if they are not perfectly rounded or are already flattened by use.
  • the pressure and the path of movement should be selected so that the bristles fold over and cause a kind of stroking massage with their outer surface. But they are in this position again much less effective for cleaning teeth and even unsuitable for cleaning interdental spaces.
  • Toothbrushes are also known in practice, the bristles of which are adapted to the different directions when brushing the teeth and massaging the gums. Such a toothbrush has a comparatively hard medium fill and more flexible massage bristles on the outside. This is inevitably a compromise, and it is not readily possible for the user to assign the different bristle areas to the treatment areas assigned to them - tooth or gums. In addition, this compromise is made by reducing one effect at the expense of the other.
  • the invention has for its object to propose a brush for gum massage, which is equally effective in cleaning teeth.
  • the bristles are corrugated transversely to their axis to form pronounced wart-like crests with a short wavelength.
  • the bristle designed according to the invention like any conventional bristle, has a rounded working end, which acts equally for tooth cleaning and for the gum massage, thereby acting as a kind of massage finger.
  • the wart-like crests act in a similar way to the bristle ends, both when cleaning the teeth and when massaging the gums.
  • a corresponding pressure on the bristle stock, in which the bristles fold over several shaft vertices are simultaneously cleaning and / or massaging at each individual bristle in engagement. It is therefore possible to carry out the measures necessary for perfect oral hygiene in one operation with a single device.
  • the bristles are corrugated in two or more planes, which ensures that, regardless of how the bristle turns when cleaning, wart-like crest of the shaft always comes into effect.
  • the wave apexes are more or less rounded, In the case of a cross section deviating from the circular shape, preferred bending planes can be generated on the one hand, and on the other hand the wave crests are more pronounced.
  • the bristles can have an oval cross section, but preferably a polygonal cross section with rounded longitudinal edges.
  • a cross-shaped cross section is particularly suitable as a polygonal cross section.
  • the effect of the bristles designed according to the invention can also be influenced by the geometry of the individual shaft.
  • the wavelength can be 1 to 10 times the bristle diameter, but is advantageously between 1 and 5 times. In a preferred embodiment, the wavelength is less than twice the bristle diameter.
  • the wave height i.e. the distance between the opposite wave crests must be as small as possible. It is preferably 1.2 to 2 times the bristle diameter.
  • the shape of the wave apex is also important, with angular wave apexes being preferred over rounded ones.
  • wire brushes and brushes it is known to corrugate the wire pins used, but the focus here is on reasons of stability and the abrasive effect (US Pat. No. 1,178,179, DE-U-79 06 716).
  • hairpin bristles are known (US Pat. No. 2,511,004) which are made of plastic, but whose shape should come as close as possible to the natural bristle. These bristles have a long-wave profile and are pointed at their ends. They are primarily intended for paintbrushes and paintbrushes. These bristles are produced by starting from an endless monofilament that is constricted at regular intervals by tensile forces.
  • the bristles are then cut, in each case in the region of the constriction, so that a single bristle is formed with two pointed ends.
  • This individual bristle is then passed through pairs of form rollers which are at right angles to one another and are arranged at a distance.
  • the shaping should be carried out with simultaneous application of heat. This is absolutely unacceptable for bristles, because when the bristles are formed from endless monofilaments, the monofilaments are stretched, possibly also thermally stabilized, in order to align the macromolecules and thereby give the bristle the necessary flexibility with sufficient rigidity. These properties are lost in subsequent thermal treatment due to the reorientation.
  • the invention is based on the object of proposing a method for producing the bristles designed according to the invention in which the aforementioned disadvantages are avoided.
  • the method according to the invention is therefore characterized in that a continuous plastic monofilament is passed through the shaping rollers and wound up on a spool behind the shaping rollers, the monofilament being held against rotation by the spools with respect to its axis, and in that the bristles are cut to length wavy endless monofilament.
  • the endless monofilament is preferably drawn off from a spool by means of the form rollers. Instead, however, it is also possible to feed the continuous monofilament to the form rolls after it has been produced in an extruder. The curl takes place without additional heat from the outside.
  • the monofilament is preferably passed between at least two pairs of form rollers lying one behind the other with the smallest possible spacing in order to irreversibly mold the pronounced wave apices.
  • a plurality of endless plastic monofilaments can be drawn from one spool at a distance next to one another by means of the shaping rollers and wound up on a spool behind the shaping rollers, the individual monofilament also being held against rotation with respect to its axis.
  • the endless monofilament is passed between pairs of form rollers of 10 to 20 mm, the center distance of which is approximately the same.
  • Figure 1 is a broken side view of a
  • FIG. 2 shows a schematic view of the the brush on the teeth
  • Figure 3 is an enlarged partial view of a
  • Figure 4 shows a longitudinal section of a corrugated
  • Figure 5 shows a cross section of the bristle
  • FIG. 6 shows a longitudinal section of a bristle with a different wave shape
  • FIG. 7 shows a longitudinal section of a bristle with a wave shape similar to FIG. 4;
  • FIG. 8 shows a longitudinal section of a bristle with a further modified wave shape
  • Figure 13 is a schematic side view of a
  • FIG. 14 is a top view of the form rolls of the device according to FIG. 13.
  • FIG. 1 shows a brush for gum massage and tooth cleaning, which consists of a handle 1, a head 2 serving as a bristle holder and a large number of individual brushes standing bristles 3 is formed.
  • the bristles 3 can optionally also be combined into bundles or packages. All or part of the bristles are wavy with a short wavelength.
  • Your use-side ends 4 can, as in the embodiment shown, the
  • FIG. 3 shows a bristle 3 on an enlarged scale during the use of the brush. It can be seen how the wart-like crests act on the gums in the manner of massage nubs.
  • FIG. 4 shows an enlarged partial view of a bristle 3 which is corrugated uniformly in a sinusoidal manner, so that wart-like wave crests 5 and wave troughs 6 are formed. While the wave crests 5 form the effective working surfaces of the bristle, the wave troughs 6 accommodate dental care products or the like.
  • the bristle according to FIG. 4 can have a cross section according to FIG. 5, that is to say it is corrugated in two mutually perpendicular planes, so that wart-like wave crests 5 extend on the envelope surface of the bristle in the direction of all four coordinates.
  • FIG. 6 shows a bristle with a modified wave shape. The wave flanks run essentially in a straight line and the wart-like wave apexes 5 have a much smaller radius of curvature. In this embodiment, the wavelength corresponds approximately to the bristle diameter, as indicated by the letter "D".
  • FIG. 7 shows a bristle similar to FIG. 4 with a wavelength that corresponds approximately to twice the bristle diameter.
  • FIG. 8 in turn shows a bristle with a relatively elongated shaft and straight flanks 7 and even more pronounced shaft apices 5 with a very small radius of curvature. The wavelength of this bristle is about 4 times the bristle diameter.
  • FIGS. 13 and 14 A device for performing the method according to the invention is indicated schematically in FIGS. 13 and 14. It has a supply spool 10 on which an endless monofilament 11 made of plastic is wound. It also has a collecting coil 12 for receiving the corrugated monofilament 13.
  • the monofilament 11 runs through three form rollers or pairs of form rollers 14, 15 and 16 arranged one behind the other, which are profiled on their circumference in accordance with the desired wave shape (FIGS. 4 to 8).
  • the axes of the pairs of form rollers 14, 15 and 16, of which the axes of at least one pair are driven, are arranged directly one behind the other so that they do not touch each other. They are also rotated against each other by 60 °, as can be seen from FIG. 14.
  • the form rollers preferably have a diameter of 10 to 20 mm and the distance of their axes from each other, as well as the axes of the adjacent pairs of form rollers 14, 15 and 16, is only insignificant, namely about the Monofilament diameter larger. In this way, a corrugated monofilament 13 is obtained, the crest of which lies in three different axial planes of the bristle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Brushes (AREA)
  • Massaging Devices (AREA)

Abstract

L'invention concerne une brosse pour masser la gencive et brosser les dents, qui comprend un porte-soies et un manche et des soies en plastique fixées individuellement ou par touffes sur le porte-soies. Afin d'améliorer l'effet massant, les soies présentent de courtes ondulations perpendiculairement à leur axe et forment des bosses nodulaires saillantes.
EP97920666A 1996-04-17 1997-04-12 Brosse pour masser la gencive et brosser les dents et procede permettant de produire des soies convenant a une brosse de ce type Expired - Lifetime EP0893958B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19615098A DE19615098A1 (de) 1996-04-17 1996-04-17 Bürste zur Zahnfleischmassage und Zahnreinigung und Verfahren zur Herstellung der Borsten einer solchen Bürste
DE19615098 1996-04-17
PCT/EP1997/001839 WO1997038603A1 (fr) 1996-04-17 1997-04-12 Brosse pour masser la gencive et brosser les dents et procede permettant de produire des soies convenant a une brosse de ce type

Publications (2)

Publication Number Publication Date
EP0893958A1 true EP0893958A1 (fr) 1999-02-03
EP0893958B1 EP0893958B1 (fr) 2000-03-29

Family

ID=7791491

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97920666A Expired - Lifetime EP0893958B1 (fr) 1996-04-17 1997-04-12 Brosse pour masser la gencive et brosser les dents et procede permettant de produire des soies convenant a une brosse de ce type

Country Status (22)

Country Link
US (1) US6141818A (fr)
EP (1) EP0893958B1 (fr)
JP (1) JP2001500395A (fr)
KR (1) KR20000005522A (fr)
CN (1) CN1216451A (fr)
AR (1) AR006660A1 (fr)
AT (1) ATE191130T1 (fr)
AU (1) AU712827B2 (fr)
BR (1) BR9708690A (fr)
CA (1) CA2251753A1 (fr)
CZ (1) CZ331098A3 (fr)
DE (2) DE19615098A1 (fr)
ES (1) ES2144858T3 (fr)
ID (1) ID16825A (fr)
IN (1) IN190449B (fr)
NO (1) NO984822L (fr)
PL (1) PL329289A1 (fr)
TR (1) TR199802092T2 (fr)
TW (1) TW344657B (fr)
UA (1) UA47476C2 (fr)
WO (1) WO1997038603A1 (fr)
ZA (1) ZA973234B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018029090A1 (fr) 2016-08-11 2018-02-15 L'oreal Brosse permettant d'appliquer un produit cosmétique, procédé et kit associés

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US6018840A (en) * 1998-03-09 2000-02-01 Gillette Canada Inc. Notched dental hygiene article
US6601257B1 (en) * 1998-10-14 2003-08-05 Connoisseur Products Corp. Jewelry brush with cleaning zones
US6440557B1 (en) 1999-07-08 2002-08-27 E. I. Du Pont De Nemours & Co. Brush filaments
DE10017167A1 (de) * 2000-04-07 2001-10-11 Pedex & Co Gmbh Verfahren und Vorrichtung zur Herstellung von Filamenten aus Kunststoff, insbesondere Kunststoffborsten, und danach hergestellte Borste
AU2003209641A1 (en) * 2002-04-08 2003-10-27 Verifresh Ltd. Gum massager device
FR2841108B1 (fr) * 2002-06-20 2004-07-30 Oreal Applicateur de produit, notamment cosmetique, et procede de fabrication d'un tel applicateur
US7052199B2 (en) * 2002-06-20 2006-05-30 L'oreal S.A. Product applicator and method of producing such an applicator
AU2003263865A1 (en) * 2002-08-19 2004-03-03 Colgate-Palmolive Company Toothbrush
AU2008200513B2 (en) * 2003-03-14 2011-06-02 The Gillette Company Llc Toothbrush head
JP5089029B2 (ja) * 2004-07-26 2012-12-05 インベンテイオ・アクテイエンゲゼルシヤフト 手すり入口を有するエスカレータまたは動く歩道、このようなエスカレータまたは動く歩道の手すり入口、ならびに手すり入口の間隙を低減する方法
DE102005027982B4 (de) * 2005-06-16 2007-09-06 Braun Gmbh Interdentalbürste und Interdentalreiniger
DE102006034405B3 (de) * 2006-07-25 2007-10-31 Joachim Huller Reinigungsbürste
DE102007018766A1 (de) * 2007-04-20 2008-10-23 Braun Gmbh Zahnbürste
DE102008037317A1 (de) * 2008-08-05 2010-02-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zum Texturieren polymerer Monofile
CN102040828A (zh) * 2009-10-26 2011-05-04 杜邦兴达（无锡）单丝有限公司 抗菌组合物、抗菌刷丝及它们的制备方法
US8635734B2 (en) * 2011-02-15 2014-01-28 Hankookin, Inc Toothbrush with bristles of non circular tips
EP2910143B1 (fr) * 2014-02-21 2019-12-18 The Procter and Gamble Company Tête pour un instrument de soin buccal
CN105686339B (zh) * 2016-03-02 2018-10-19 深圳科之美新材料科技有限公司 一种新型化妆刷丝及其制造设备
FR3070839A1 (fr) * 2017-09-12 2019-03-15 L'oreal Applicateur cosmetique

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018029090A1 (fr) 2016-08-11 2018-02-15 L'oreal Brosse permettant d'appliquer un produit cosmétique, procédé et kit associés

Also Published As

Publication number Publication date
ID16825A (id) 1997-11-13
AU2696397A (en) 1997-11-07
IN190449B (fr) 2003-07-26
CZ331098A3 (cs) 1999-02-17
AU712827B2 (en) 1999-11-18
PL329289A1 (en) 1999-03-15
DE59701363D1 (de) 2000-05-04
UA47476C2 (uk) 2002-07-15
WO1997038603A1 (fr) 1997-10-23
TR199802092T2 (xx) 1999-01-18
NO984822D0 (no) 1998-10-15
NO984822L (no) 1998-12-10
ES2144858T3 (es) 2000-06-16
BR9708690A (pt) 1999-08-03
CA2251753A1 (fr) 1997-10-23
AR006660A1 (es) 1999-09-08
US6141818A (en) 2000-11-07
EP0893958B1 (fr) 2000-03-29
DE19615098A1 (de) 1997-10-23
JP2001500395A (ja) 2001-01-16
TW344657B (en) 1998-11-11
KR20000005522A (ko) 2000-01-25
CN1216451A (zh) 1999-05-12
ATE191130T1 (de) 2000-04-15
ZA973234B (en) 1997-11-18

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