WO2005089591A1 - Toothbrush - Google Patents
Toothbrush Download PDFInfo
- Publication number
- WO2005089591A1 WO2005089591A1 PCT/KR2005/000809 KR2005000809W WO2005089591A1 WO 2005089591 A1 WO2005089591 A1 WO 2005089591A1 KR 2005000809 W KR2005000809 W KR 2005000809W WO 2005089591 A1 WO2005089591 A1 WO 2005089591A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bristle support
- toothbrush
- bristles
- support head
- handle
- Prior art date
Links
Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B7/00—Bristle carriers arranged in the brush body
- A46B7/04—Bristle carriers arranged in the brush body interchangeably removable bristle carriers
-
- 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 present invention relates, in general, to toothbrushes and, more particularly, to a toothbrush which has a structure such that the bristles may be replaced with new ones .
- toothbrushes are used along with toothpaste for cleaning teeth, thus keeping the teeth clean.
- a toothbrush includes a handle part to allow a user to hold the toothbrush, and a head part which is provided on an end of the handle part to support therein a plurality of bristles which is in direct contact with the user's teeth. Three or four rows of bristles are set in the head part in a longitudinal direction.
- bristles placed near an outside edge of the head part of the toothbrush become bent outwards .
- the bent bristles stimulate the user' s gums while brushing the teeth. If this stimulation is repeated over a long period, the user's gums are seriously injured and, as well, the teeth may be damaged.
- toothbrushes that have become useless alter being used for a long period are buried in the ground, serious environmental pollution results.
- an object of the present invention is to provide a toothbrush which has a structure such that deformed bristles may easily be replaced with new ones, and which is made of biodegradable material, thus preventing environment pollution.
- the present invention provides a toothbrush, including: a handle having a predetermined length to allow a user to hold the toothbrush, with an insert hole formed in an end of the handle; a bristle support head, with a protrusion provided on the bristle support head to engage with the insert hole, and a plurality of front bristles made of hard material and set in the bristle support head; and a removable bristle support unit provided in the bristle support head at a predetermined position adjacent to the front bristles, with a plurality of rear bristles made of soft material and set in the removable bristle support unit.
- the handle may be made of resin, and both the bristle support head and the removable bristle support unit may be made of biodegradable resin.
- FIG. 1 is a perspective view of a toothbrush, according "to the present invention
- FIG. 2 is a sectional view of the toothbrush according to the present invention.
- FIG. 1 is a perspective view of a toothbrush, according to the present invention.
- FIG. 2 is a sectional view of the toothbrush according to the present invention.
- the toothbrush of the present invention has a structure such that a front part and a rear part are coupled to each other.
- the rear part of the toothbrush comprises a handle 1 to allow a user to hold the toothbrush when brushing his/her teeth.
- the front part of the toothbrush comprises a bristle support head 3 in which a plurality of bristles that come into contact with the teeth is set.
- the handle 1 has an appropriate length so that the user can easily hold the handle 1.
- An insert hole 5 is formed in an end of the handle 1.
- the handle 1 is streamlined so that the user is able to stably hold the toothbrush when brushing the teeth.
- the bristle support head 3 has a protrusion 7 which engages with the insert hole 5.
- a plurality of front bristles 9, made of relatively hard material, is set in a front end of the bristle support head 3 opposite the protrusion 7.
- the number of bundles of front bristles 9 is 1/5 to 1/3 of the total number of bundles of bristles.
- the toothbrush further includes a removable bristle support unit 12 which is mounted to the bristle support head 3 at a predetermined position in back of the front bristles 9.
- the bristle support head -3 has a recess 13 which is formed at a predetermined position in the bristle support head 3 so that the removable bristle support unit 12 is inserted into the recess 13.
- a coupling hole 15 is formed at a predetermined position in the bottom of the recess 13 ' so that a coupling protrusion 14 provided under the lower surface of the removable bristle support unit 12 is forcibly fitted into the coupling hole 15 of the recess 13.
- both the bristle support head 3 and the removable bristle support unit 12 are replaced with new ones after being used for a long period, they are made of biodegradable resin which is decomposed in general soil within a relatively short period.
- the handle 1 is used semi-permanently, the handle 1 is made of general resin.
- both the bristle support head 3 and the removable bristle support unit 12 can be replaced with new ones after use over a long period, while the handle 1 can be used semipermanently.
- they are made of biodegradable material, thus being easily decomposed by the self- purifying power of the environment.
- the front bristles 9 are made of hard material, the toothbrush of the present invention can easily clean even areas deep inside the mouth.
- the present invention provides a toothbrush which has a structure such that deformed bristles may easily be replaced with new ones, thus being usable semi-permanently, and which is made of biodegradable material, thus preventing environmental pollution.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0508208-0A BRPI0508208A (en) | 2004-03-22 | 2005-03-21 | Toothbrush |
US10/592,764 US20070136968A1 (en) | 2004-03-22 | 2005-03-21 | Toothbrush |
JP2007504879A JP2007530131A (en) | 2004-03-22 | 2005-03-21 | toothbrush |
EP05721965A EP1727444B1 (en) | 2004-03-22 | 2005-03-21 | Toothbrush |
DE602005004388T DE602005004388T2 (en) | 2004-03-22 | 2005-03-21 | TOOTHBRUSH |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20-2004-0007819U KR200354838Y1 (en) | 2004-03-22 | 2004-03-22 | toothbrush |
KR20-2004-0007819 | 2004-03-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005089591A1 true WO2005089591A1 (en) | 2005-09-29 |
Family
ID=34993391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2005/000809 WO2005089591A1 (en) | 2004-03-22 | 2005-03-21 | Toothbrush |
Country Status (9)
Country | Link |
---|---|
US (1) | US20070136968A1 (en) |
EP (1) | EP1727444B1 (en) |
JP (1) | JP2007530131A (en) |
KR (1) | KR200354838Y1 (en) |
CN (1) | CN1953684A (en) |
AT (1) | ATE383791T1 (en) |
BR (1) | BRPI0508208A (en) |
DE (1) | DE602005004388T2 (en) |
WO (1) | WO2005089591A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2891712A1 (en) * | 2005-10-12 | 2007-04-13 | Marcello Riggi | Dual-purpose toothbrush comprises handle with two recesses to receive main brush head and fine spiral brush for cleaning between teeth |
ITBO20090633A1 (en) * | 2009-10-01 | 2011-04-02 | Fili & Forme S R L | PUMP OF PERFECT TYPE |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20100117735A (en) * | 2009-04-27 | 2010-11-04 | 주식회사 진곡홀딩스 | An apparatus for repairing the green for golf |
US20110097684A1 (en) * | 2009-10-22 | 2011-04-28 | Phillip Mark | Biodegradable micro-applicator |
US8448287B2 (en) * | 2010-10-22 | 2013-05-28 | Mcneil-Ppc, Inc. | Replaceable toothbrush head |
US8590095B2 (en) * | 2011-02-10 | 2013-11-26 | Ranir, Llc | Toothbrush with movable head portion |
JP5252330B2 (en) * | 2011-11-25 | 2013-07-31 | 英彌 橋爪 | Toothbrushing method and toothbrush used therefor |
KR101354988B1 (en) * | 2013-07-22 | 2014-01-23 | 김리선 | Biodegradable toothbrush for convenient cleaning |
CN107232747A (en) * | 2017-08-08 | 2017-10-10 | 佛山市顺德区润智电器科技有限公司 | A kind of novel toothbrush |
JP7314440B2 (en) * | 2020-05-18 | 2023-07-26 | 株式会社発明ラボックス | brush |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5058230A (en) * | 1990-06-04 | 1991-10-22 | Milton Hodosh | Toothbrush with replaceable tip portion |
US5224234A (en) * | 1990-01-22 | 1993-07-06 | Arsenault Jeffrey L | Toothbrush with replaceable bristles |
US5864915A (en) * | 1996-10-09 | 1999-02-02 | Ra; Dojin | Toothbrush |
DE19827009A1 (en) * | 1998-06-17 | 1999-12-23 | Coronet Werke Gmbh | Toothbrush with a replaceable brush part |
US6360398B1 (en) * | 1999-01-29 | 2002-03-26 | Georg Wiegner | Toothbrush having an exchangeable bristle plate |
US20030074755A1 (en) * | 2001-10-22 | 2003-04-24 | Ale Hasan Al | Toothbrush with removable brushing members |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1939001A (en) * | 1933-04-18 | 1933-12-12 | Doll Emil | Toothbrush |
US2093383A (en) * | 1935-10-15 | 1937-09-14 | Rudof | Tooth brush |
US4654922A (en) * | 1985-05-28 | 1987-04-07 | Chen Horng Y | Brush with universal joints |
US5613262A (en) * | 1994-07-27 | 1997-03-25 | Choy-Maldonado; Gina N. | Lingual brush |
JP2002028031A (en) * | 2000-07-17 | 2002-01-29 | Yoshinori Nakagawa | Electronic toothbrush and electronic brush |
-
2004
- 2004-03-22 KR KR20-2004-0007819U patent/KR200354838Y1/en not_active IP Right Cessation
-
2005
- 2005-03-21 EP EP05721965A patent/EP1727444B1/en active Active
- 2005-03-21 WO PCT/KR2005/000809 patent/WO2005089591A1/en active IP Right Grant
- 2005-03-21 BR BRPI0508208-0A patent/BRPI0508208A/en not_active IP Right Cessation
- 2005-03-21 JP JP2007504879A patent/JP2007530131A/en active Pending
- 2005-03-21 CN CNA200580009012XA patent/CN1953684A/en active Pending
- 2005-03-21 AT AT05721965T patent/ATE383791T1/en not_active IP Right Cessation
- 2005-03-21 DE DE602005004388T patent/DE602005004388T2/en not_active Expired - Fee Related
- 2005-03-21 US US10/592,764 patent/US20070136968A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5224234A (en) * | 1990-01-22 | 1993-07-06 | Arsenault Jeffrey L | Toothbrush with replaceable bristles |
US5058230A (en) * | 1990-06-04 | 1991-10-22 | Milton Hodosh | Toothbrush with replaceable tip portion |
US5864915A (en) * | 1996-10-09 | 1999-02-02 | Ra; Dojin | Toothbrush |
DE19827009A1 (en) * | 1998-06-17 | 1999-12-23 | Coronet Werke Gmbh | Toothbrush with a replaceable brush part |
US6360398B1 (en) * | 1999-01-29 | 2002-03-26 | Georg Wiegner | Toothbrush having an exchangeable bristle plate |
US20030074755A1 (en) * | 2001-10-22 | 2003-04-24 | Ale Hasan Al | Toothbrush with removable brushing members |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2891712A1 (en) * | 2005-10-12 | 2007-04-13 | Marcello Riggi | Dual-purpose toothbrush comprises handle with two recesses to receive main brush head and fine spiral brush for cleaning between teeth |
ITBO20090633A1 (en) * | 2009-10-01 | 2011-04-02 | Fili & Forme S R L | PUMP OF PERFECT TYPE |
Also Published As
Publication number | Publication date |
---|---|
DE602005004388D1 (en) | 2008-03-06 |
EP1727444B1 (en) | 2008-01-16 |
JP2007530131A (en) | 2007-11-01 |
ATE383791T1 (en) | 2008-02-15 |
DE602005004388T2 (en) | 2009-01-08 |
CN1953684A (en) | 2007-04-25 |
US20070136968A1 (en) | 2007-06-21 |
KR200354838Y1 (en) | 2004-06-30 |
BRPI0508208A (en) | 2007-07-17 |
EP1727444A1 (en) | 2006-12-06 |
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