EP2856908A1 - Toothbrush head having tip with double structure and toothbrush comprising same - Google Patents
Toothbrush head having tip with double structure and toothbrush comprising same Download PDFInfo
- Publication number
- EP2856908A1 EP2856908A1 EP13801036.8A EP13801036A EP2856908A1 EP 2856908 A1 EP2856908 A1 EP 2856908A1 EP 13801036 A EP13801036 A EP 13801036A EP 2856908 A1 EP2856908 A1 EP 2856908A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- toothbrush
- area
- bristle
- core area
- toothbrush bristle
- 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.)
- Withdrawn
Links
Images
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
-
- 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
- A46B9/00—Arrangements of the bristles in the brush body
- A46B9/005—Arrangements of the bristles in the brush body where the brushing material is not made of bristles, e.g. sponge, rubber or paper
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46D—MANUFACTURE OF BRUSHES
- A46D1/00—Bristles; Selection of materials for bristles
- A46D1/02—Bristles details
- A46D1/023—Bristles with at least a core and at least a partial sheath
Abstract
Description
- The present invention relates to toothbrush bristles and a toothbrush including the same, and to toothbrush bristles each having a tip with a double structure and a toothbrush including the same.
- A typical toothbrush has a plurality of toothbrush bristles fixed to a head connected to a handle. The toothbrush bristles perform functional operations of physically removing dental plaque, or applying cleaning solutions onto teeth so as to chemically brush the teeth, keep the teeth white, eliminate halitosis, and the like. The toothbrush bristle has some degrees of strength, and a fore-end of the toothbrush bristle is configured to be sharp. Therefore, there is a problem in that gums may be damaged by the toothbrush bristle while brushing the teeth using the toothbrush.
- Meanwhile, it is important to manage the gums in order to improve a healthy mouth. Massage, which stimulates gum tissues, is effective in maintaining healthy gums. However, in the case of the toothbrush bristle made of resin such as polyester, there is a great risk that the gums will be damaged by a fore-end of the toothbrush bristle during a massage process.
- Therefore, the present invention has been made in an effort to solve the aforementioned problem, and an object of the present invention is to provide toothbrush bristles capable of softly massaging gums while brushing teeth, and a toothbrush including the toothbrush bristles.
- In addition, an object of the present invention is to provide toothbrush bristles having a smooth surface and excellent water repellency, and a toothbrush including the toothbrush bristles.
- In order to achieve the aforementioned object, according to a first aspect of the present invention there is provided a toothbrush bristle including: a core area which is made of silicone; and a clad area which is formed around the core area, and made of resin having greater rigidity than the silicone.
- Preferably, a tip where the core area is exposed may be formed at an end of the toothbrush bristle.
- Preferably, an end portion of the clad area may be formed to be inclined based on a centerline of the core area.
- Preferably, a stepped area may be formed at an end portion of the clad area.
- Preferably, the resin may be polyester.
- Preferably, a toothbrush including the aforementioned toothbrush bristles may be provided.
- In order to achieve the aforementioned object, according to a second aspect of the present invention there is provided a toothbrush bristle including: a clad area which is made of silicone; and a core area which is formed inside the clad area, and made of resin having greater rigidity than the silicone.
- Preferably, the resin may be any one of polyester, nylon, polypropylene, and polyethylene.
- Preferably, a toothbrush including the aforementioned toothbrush bristles may be provided.
- In order to achieve the aforementioned object, according to a third aspect of the present invention there is provided a toothbrush bristle including: a core area which is made of a first substance including a rubber elastic body; and a clad area which is formed around the core area, and made of a second substance including resin having greater rigidity than the rubber elastic body, in which a tip where the core area is exposed is formed at an end of the toothbrush bristle.
- Preferably, the first substance may be a material made by synthesizing any one of silicone, polyester, polyethylene, and polypropylene with the rubber elastic body.
- Preferably, a length of the tip may be within 0.01 mm to 6 mm.
- Preferably, an end of the clad area may be formed to be inclined based on a centerline of the core area.
- Preferably, the resin may be any one of polyester and nylon.
- Preferably, a toothbrush including the aforementioned toothbrush bristles may be provided.
- According to the toothbrush bristles and the toothbrush including the toothbrush bristles according to the present invention, the clad area (outer layer) is made of a substance including resin, the core area (inner layer) is made of a first substance including a rubber elastic body, and the tip is configured so that the first substance is exposed at an end of the toothbrush bristle which comes into direct contact with gums, thereby providing an advantageous effect of softly massaging the gums while brushing teeth.
- In addition, according to the toothbrush bristles and the toothbrush including the toothbrush bristles according to the present invention, the first substance includes silicone, thereby providing an advantageous effect of increasing wear resistance, surface smoothness, and water repellency.
-
-
FIG. 1 is a view illustrating configurations of toothbrush bristles according to a first exemplary embodiment of the present invention and a toothbrush including the toothbrush bristles. -
FIG. 2 is a view illustrating a core area and a clad area of the toothbrush bristle illustrated inFIG. 1 . -
FIG. 3 is a view illustrating a first modified example of the core area and the clad area of the toothbrush bristle illustrated inFIG. 1 . -
FIG. 4 is a view illustrating a second modified example of the core area and the clad area of the toothbrush bristle illustrated inFIG. 1 . -
FIG. 5 is a view illustrating the core areas that are elastically deformed while coming into contact with the gums. -
FIG. 6 is a view illustrating configurations of toothbrush bristles according to a second exemplary embodiment of the present invention and a toothbrush including the toothbrush bristles. -
FIG. 7 is a view illustrating a core area and a clad area of the toothbrush bristle illustrated inFIG. 6 . - The following references are used in the figures:
- 11: Clad area
- 11a-1: Inclined surface
- 11a-2: Stepped area
- 12: Core area
- 12a: Tip
- Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. First, in denoting reference numerals to constituent elements of respective drawings, it should be noted that the same constituent elements will be designated by the same reference numerals although they are shown in different drawings. Further, hereinafter, an exemplary embodiment of the present invention will be described, but it is obvious that the technical spirit of the present invention is not restricted or limited thereto, but the exemplary embodiment of the present invention may be modified by a person with ordinary skill in the art to be variously carried out.
-
FIG. 1 is a view illustrating configurations of toothbrush bristles according to a first exemplary embodiment of the present invention, and a toothbrush including the toothbrush bristles. -
FIG. 1 clearly illustrates only a main characteristic part for conceptual and clear understanding of the present invention. As a result, various modifications to the illustrations are expected, and the scope of the present invention is not limited to specific shapes illustrated in the drawings. - Referring to
FIG. 1 ,toothbrush bristles 10 according to a first exemplary embodiment of the present invention each include aclad area 11 which includes resin such as polyester, and acore area 12 which is made of silicone. That is, a single bristle of thetoothbrush bristles 10 has a double structure with different materials. The plurality oftoothbrush bristles 10 are fixed to ahead 110 formed at an end portion of ahandle 100. The silicone, which may be mixed in the form of rubber or resin, has soft and flexible characteristics, and is a material having high water repellency or water resistance against water. - The
clad area 11 of thetoothbrush bristle 10 is made of a material that has a greater strength than silicone. Therefore, theclad area 11 may be made of synthetic resin such as polyester. -
FIG. 2 is a view illustrating a core area and a clad area of the toothbrush bristle illustrated inFIG. 1 ,FIG. 3 is a view illustrating a first modified example of the core area and the clad area of the toothbrush bristle illustrated inFIG. 1 , andFIG. 4 is a view illustrating a second modified example of the core area and the clad area of the toothbrush bristle illustrated inFIG. 1 . - Referring to
FIG. 2 , thecore area 12 of thetoothbrush bristle 10 may include a rubber elastic body. The rubber elastic body is a material having a great characteristic that can be deformed by external force and restored to an original shape when the external force is no longer applied. The rubber elastic body is also called an elastomer. - Specifically, the
core area 12 may be made of a first substance including the rubber elastic body. Here, the first substance may be made by synthesizing silicone, polyester, polyethylene, polypropylene and the like with the rubber elastic body. In a case in which silicone is included as a material of thecore area 12, wear resistance, surface smoothness, and water repellency may be improved. - The
clad area 11 of thetoothbrush bristle 10 may be made of a second substance including resin that has a greater strength than the rubber elastic body. Here, the second substance may be any one of polyester and nylon. - The
toothbrush bristle 10 having thecore area 12 and theclad area 11 may be manufactured by a discharge device having a nozzle with a double structure. - Meanwhile, referring to
FIGS. 3 and 4 together, atip 12a is formed at an end of the toothbrush bristle 10. Further, the cladarea 11 is configured to be shorter than thecore area 12 at the end of toothbrush bristle 10 so that thecore area 12 is exposed. In this case, a length of thetip 12a may be within 0.01 mm to 6 mm. More preferably, the length of thetip 12a may be within 0.05 mm to 3 mm. - Here, in a case in which the length of the
tip 12a is smaller than 0.01 mm, an essential function of thetip 12a, which softly massages the gums, deteriorates. In contrast, in a case in which the length of thetip 12a is greater than 6 mm, flexibility of the toothbrush bristle 10 is excessively increased, which causes a problem in that detergency and durability are degraded. - Meanwhile, as the first modified example of the clad
area 11, aninclined surface 11a-1, which is formed to be inclined based on a centerline CL of thecore area 12, may be formed at an end portion of the cladarea 11. In other words, in a case in which the cladarea 11 is formed in an annular shape, the end portion of the cladarea 11 may be formed so that an outer diameter of the cladarea 11 becomes smaller toward the end portion of the cladarea 11. - Meanwhile, as the second modified example of the clad
area 11, a steppedarea 11a-2 may be formed at the end portion of the cladarea 11. - The purpose of the aforementioned configuration is to minimize a level difference between the clad
area 11 and thecore area 12, and allow the toothbrush bristle 10 to softly come into contact with the teeth or gums. - The
tip 12a is formed by processing the toothbrush bristle 10, which is manufactured to have a double structure, into fine bristle. Specifically, thetip 12a may be formed by immersing the toothbrush bristle 10, which is discharged to have a double structure, into an acid or alkali solution, and then tapering the toothbrush bristle 10. In addition, thetip 12a may be formed grinding the toothbrush bristle 10, which is discharged to have a double structure, using a grinder. -
FIG. 5 is a view illustrating the core areas that are elastically deformed while coming into contact with the gums. - Referring to
FIG. 5 , thecore area 12 is elastically deformed while coming into contact with the gums g, thereby softly massaging the gums. -
FIG. 6 is a view illustrating configurations of toothbrush bristles according to a second exemplary embodiment of the present invention and a toothbrush including the toothbrush bristles, andFIG. 7 is a view illustrating a core area and a clad area of the toothbrush bristle illustrated inFIG. 6 . - Referring to
FIGS. 6 and 7 together, toothbrush bristles 20 according to a second exemplary embodiment of the present invention each include a cladarea 21 which is made of silicone, and acore area 22 which is made of resin such as any one of polyester, nylon, polypropylene, and polyethylene. The plurality of toothbrush bristles 20 are fixed to ahead 210 formed at an end portion of ahandle 200. - In the second exemplary embodiment, the clad
area 21 of the toothbrush bristle 20, which corresponds to an outer layer, is made of silicone, and as a result, there are advantages in that a surface of the toothbrush bristle is smoothly formed, and water repellency of the toothbrush bristle is increased. - Although the exemplary embodiment of the present invention has been described for illustrative purposes, those skilled in the art will appreciate that various modifications, changes and substitutions are possible, without departing from the scope and spirit of the invention. Accordingly, the exemplary embodiment disclosed in the present invention and the accompanying drawings are not intended to limit but illustrate the technical spirit of the present invention, and the scope of the technical spirit of the present invention is not limited by the exemplary embodiment and the accompanying drawings. The protection scope of the present invention should be construed based on the following appended claims and it should be appreciated that the technical spirit included within the scope equivalent to the claims belongs to the present invention.
Claims (15)
- A toothbrush bristle comprising:a core area which is made of silicone; anda clad area which is formed around the core area, and made of resin having greater rigidity than the silicone.
- The toothbrush bristle of claim 1, wherein a tip where the core area is exposed is formed at an end of the toothbrush bristle.
- The toothbrush bristle of claim 2, wherein an end portion of the clad area is formed to be inclined based on a centerline of the core area.
- The toothbrush bristle of claim 2, wherein a stepped area is formed at an end portion of the clad area.
- The toothbrush bristle of claim 1, wherein the resin is polyester.
- A toothbrush comprising the toothbrush bristles according to any one of claims 1 to 5.
- A toothbrush bristle comprising:a clad area which is made of silicone; anda core area which is formed inside the clad area, and made of resin having greater rigidity than the silicone.
- The toothbrush bristle of claim 7, wherein the resin is any one of polyester, nylon, polypropylene, and polyethylene.
- A toothbrush comprising the toothbrush bristles according to claim 7 or 8.
- A toothbrush bristle comprising:a core area which is made of a first substance including a rubber elastic body; anda clad area which is formed around the core area, and made of a second substance including resin having greater rigidity than the rubber elastic body,wherein a tip where the core area is exposed is formed at an end of the toothbrush bristle.
- The toothbrush bristle of claim 10, wherein the first substance is a material made by synthesizing any one of silicone, polyester, polyethylene, and polypropylene with the rubber elastic body.
- The toothbrush bristle of claim 10, wherein a length of the tip is within 0.01 mm to 6 mm.
- The toothbrush bristle of claim 10, wherein an end of the clad area is formed to be inclined based on a centerline of the core area.
- The toothbrush bristle of claim 10, wherein the resin is any one of polyester and nylon.
- A toothbrush comprising the toothbrush bristles according to any one of claims 10 to 14.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20120060389 | 2012-06-05 | ||
KR1020120075609A KR20140008710A (en) | 2012-07-11 | 2012-07-11 | Toothbrush having double tube structure and toothbrush comprising the same |
KR1020130052148A KR20130136912A (en) | 2012-06-05 | 2013-05-08 | Toothbrush having tip with double tube structure and toothbrush comprising the same |
PCT/KR2013/004909 WO2013183908A1 (en) | 2012-06-05 | 2013-06-04 | Toothbrush head having tip with double structure and toothbrush comprising same |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2856908A1 true EP2856908A1 (en) | 2015-04-08 |
EP2856908A4 EP2856908A4 (en) | 2016-04-20 |
Family
ID=52408623
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13801036.8A Withdrawn EP2856908A4 (en) | 2012-06-05 | 2013-06-04 | Toothbrush head having tip with double structure and toothbrush comprising same |
Country Status (5)
Country | Link |
---|---|
US (1) | US20150150366A1 (en) |
EP (1) | EP2856908A4 (en) |
JP (1) | JP2015518771A (en) |
CN (1) | CN104334051A (en) |
WO (1) | WO2013183908A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP1517366S (en) * | 2014-07-31 | 2015-02-16 | ||
USD756659S1 (en) * | 2014-12-18 | 2016-05-24 | Anthony Gaston Dalleggio, Jr. | Bamboo toothbrush handle |
EP3622852A1 (en) * | 2018-09-17 | 2020-03-18 | Koninklijke Philips N.V. | Skin care attachment for a personal care appliance |
USD883677S1 (en) | 2018-12-13 | 2020-05-12 | Colgate-Palmolive Company | Toothbrush |
WO2020118602A1 (en) * | 2018-12-13 | 2020-06-18 | Colgate-Palmolive Company | Oral care implement |
USD1024571S1 (en) | 2022-06-17 | 2024-04-30 | Colgate-Palmolive Company | Oral care implement |
USD1024572S1 (en) | 2022-06-24 | 2024-04-30 | Colgate-Palmolive Company | Oral care implement |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6083338U (en) * | 1983-11-04 | 1985-06-08 | ライオン株式会社 | bristles for brush |
DE3528596A1 (en) * | 1985-08-09 | 1987-02-19 | Braun Ag | Tooth brush |
JPH07222624A (en) * | 1994-02-16 | 1995-08-22 | Matsushita Electric Ind Co Ltd | Toothbrush |
US5987688A (en) * | 1995-11-09 | 1999-11-23 | Gillette Canada Inc. | Gum-massaging oral brush |
US5849410A (en) * | 1996-12-12 | 1998-12-15 | E. I. Du Pont De Nemours And Company | Coextruded monofilaments |
WO1998034514A1 (en) * | 1997-02-07 | 1998-08-13 | Smithkline Beecham Consumer Healthcare Gmbh | Toothbrush bristles |
JP4050356B2 (en) * | 1997-05-23 | 2008-02-20 | ジョンソン・エンド・ジョンソン株式会社 | toothbrush |
FR2773962B1 (en) * | 1998-01-26 | 2000-03-03 | Synthelabo | TOOTHBRUSH HAVING GENCIVE MASSAGE RODS |
DE19818345A1 (en) * | 1998-04-24 | 1999-10-28 | Pedex & Co Gmbh | Bristle for brushes, e.g. toothbrushes |
JP2002345560A (en) * | 2001-05-24 | 2002-12-03 | Kao Corp | Toothbrush |
JP2003225122A (en) * | 2002-02-04 | 2003-08-12 | Yanagisawa Katsuhiko | Toothbrush |
US20090013488A1 (en) * | 2005-02-02 | 2009-01-15 | Sunstar Inc. | Toothbrush |
DE102006012004A1 (en) * | 2006-03-16 | 2007-09-20 | Braun Gmbh | Multi-filament bristles for toothbrushes |
JP4992285B2 (en) * | 2006-04-21 | 2012-08-08 | サンスター株式会社 | toothbrush |
JP2008154888A (en) * | 2006-12-26 | 2008-07-10 | Lion Corp | Toothbrush bristle, toothbrush using the same, and method for manufacturing toothbrush bristle |
JP2009228201A (en) * | 2008-02-29 | 2009-10-08 | Toyo Seikan Kaisha Ltd | Functional fiber |
JP5857398B2 (en) * | 2009-11-13 | 2016-02-10 | サンスター株式会社 | toothbrush |
JP2011200352A (en) * | 2010-03-25 | 2011-10-13 | Toray Monofilament Co Ltd | Tapered bristle and brush |
-
2013
- 2013-06-04 EP EP13801036.8A patent/EP2856908A4/en not_active Withdrawn
- 2013-06-04 CN CN201380029147.7A patent/CN104334051A/en active Pending
- 2013-06-04 WO PCT/KR2013/004909 patent/WO2013183908A1/en active Application Filing
- 2013-06-04 US US14/405,761 patent/US20150150366A1/en not_active Abandoned
- 2013-06-04 JP JP2015515937A patent/JP2015518771A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
CN104334051A (en) | 2015-02-04 |
EP2856908A4 (en) | 2016-04-20 |
WO2013183908A1 (en) | 2013-12-12 |
US20150150366A1 (en) | 2015-06-04 |
JP2015518771A (en) | 2015-07-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2856908A1 (en) | Toothbrush head having tip with double structure and toothbrush comprising same | |
US10172440B2 (en) | Toothbrush having tufted bristles and tongue brush bristles emanating from the same surface | |
KR101555295B1 (en) | Functional Toothbrush | |
US9101204B2 (en) | Oral care implement | |
US8635734B2 (en) | Toothbrush with bristles of non circular tips | |
WO1998018364A1 (en) | Toothbrush with combination of bristles, soft cleansing pad, and/or polishing fingers | |
US9532641B2 (en) | L-shaped toothbrush | |
KR20170117258A (en) | Spiral filament and toothbrush using thereof | |
JP5228219B2 (en) | Liquid dentifrice application brush | |
JP2005199035A (en) | Toothbrush | |
WO2015190285A1 (en) | Toothbrush with single tuft | |
KR101481532B1 (en) | U-shaped toothbrush | |
KR102177487B1 (en) | Toothbrush head having flexibility | |
JP2017080191A (en) | Scalp brush | |
JP5387352B2 (en) | Monofilament for toothbrush | |
KR20130136912A (en) | Toothbrush having tip with double tube structure and toothbrush comprising the same | |
JPH1175940A (en) | Toothbrush | |
CN106073141B (en) | Incisor brush head | |
US888138A (en) | Tooth-brush. | |
US11363881B1 (en) | Toothbrush with contoured neck and back fin | |
WO2017170126A1 (en) | Toothbrush | |
KR102284814B1 (en) | A Tooth Brush with a Structure of a Silicone Bristle | |
KR20180093715A (en) | A multi-functional toothbrush | |
KR200481054Y1 (en) | Tooth brush having a segmental head left and right side | |
KR20140008710A (en) | Toothbrush having double tube structure and toothbrush comprising the same |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20141120 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAX | Request for extension of the european patent (deleted) | ||
RA4 | Supplementary search report drawn up and despatched (corrected) |
Effective date: 20160323 |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: A46B 9/04 20060101AFI20160317BHEP Ipc: A46D 1/00 20060101ALI20160317BHEP |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20190103 |