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JP2021074606A5 - - Google Patents

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Publication number
JP2021074606A5
JP2021074606A5 JP2021018489A JP2021018489A JP2021074606A5 JP 2021074606 A5 JP2021074606 A5 JP 2021074606A5 JP 2021018489 A JP2021018489 A JP 2021018489A JP 2021018489 A JP2021018489 A JP 2021018489A JP 2021074606 A5 JP2021074606 A5 JP 2021074606A5
Authority
JP
Japan
Prior art keywords
deformed
axial direction
flocked surface
neck
head
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
JP2021018489A
Other languages
Japanese (ja)
Other versions
JP7166372B2 (en
JP2021074606A (en
Filing date
Publication date
Application filed filed Critical
Publication of JP2021074606A publication Critical patent/JP2021074606A/en
Publication of JP2021074606A5 publication Critical patent/JP2021074606A5/ja
Application granted granted Critical
Publication of JP7166372B2 publication Critical patent/JP7166372B2/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Claims (5)

軸直方向の先端側に植毛面を有するヘッド部と、
前記ヘッド部より前記軸直方向の後端側に配置されるハンドル部と、
前記ヘッド部と前記ハンドル部を接続するネック部と、
前記植毛面と前記ハンドル部との間に配置され、前記ヘッド部に対する前記軸直方向の荷重により変形する変形部と、
を有し、
前記変形部は、少なくともネック部を含み、
前記ネック部は、ショアＡ硬度が９０以下の軟質樹脂を有して形成され、
前記変形部は、口にくわえたままの状態で乳幼児が転倒した際でも乳幼児の口腔内が損傷することを抑制できるように変形することを特徴とする歯ブラシ。 A head part having a flocked surface on the tip side in the axial direction,
A handle portion arranged on the rear end side in the axial direction from the head portion, and a handle portion.
A neck portion connecting the head portion and the handle portion,
A deformed portion arranged between the flocked surface and the handle portion and deformed by a load in the axial direction with respect to the head portion, and a deformed portion.
Have,
The deformed portion includes at least a neck portion and includes.
The neck portion is formed by having a soft resin having a shore A hardness of 90 or less.
The deformed portion is a toothbrush characterized in that the deformed portion is deformed so as to prevent damage to the oral cavity of the infant even when the infant falls while being held in the mouth. 軸直方向の先端側に植毛面を有するヘッド部と、
前記ヘッド部より前記軸直方向の後端側に配置されるハンドル部と、
前記ヘッド部と前記ハンドル部を接続するネック部と、
前記植毛面と前記ハンドル部との間に配置され、前記ヘッド部に対する前記軸直方向の荷重により変形する変形部と、
を有し、
前記変形部は、少なくともネック部を含み、
前記ネック部は、ショアＡ硬度が９０以下の軟質樹脂を有して形成され、
前記ヘッド部における前記植毛面の前記軸直方向の中央位置と、前記ハンドル部の前記先端側の端部とを、前記植毛面と直交する第１の方向で前記植毛面とは逆側からそれぞれ支持した状態で、前記ネック部の前記軸直方向の中央位置に前記第１の方向で前記植毛面側から前記植毛面とは逆側に１０ｍｍ／ｍｉｎの速度で荷重を付与し前記変形部を５ｍｍ変形させたときの最大荷重は３０Ｎ以下であり、
前記ヘッド部における前記植毛面の前記軸直方向の中央位置と、前記ハンドル部の前記先端側の端部とを、前記軸直方向および前記第１の方向と直交する第２の方向の一方側からそれぞれ支持した状態で、前記ネック部の前記軸直方向の中央位置に前記第２の方向の他方側から前記一方側に１０ｍｍ／ｍｉｎの速度で荷重を付与し前記変形部を５ｍｍ変形させたときの最大荷重は３０Ｎ以下であることを特徴とする歯ブラシ。 A head part having a flocked surface on the tip side in the axial direction,
A handle portion arranged on the rear end side in the axial direction from the head portion, and a handle portion.
A neck portion connecting the head portion and the handle portion,
A deformed portion arranged between the flocked surface and the handle portion and deformed by a load in the axial direction with respect to the head portion, and a deformed portion.
Have,
The deformed portion includes at least a neck portion and includes.
The neck portion is formed by having a soft resin having a shore A hardness of 90 or less.
The central position of the flocked surface in the head portion in the axial direction and the end portion of the handle portion on the tip end side are respectively arranged from the side opposite to the flocked surface in the first direction orthogonal to the flocked surface. In the supported state, a load is applied to the center position of the neck portion in the axial direction from the flocked surface side to the opposite side of the flocked surface in the first direction at a speed of 10 mm / min to deform the deformed portion. The maximum load when deformed by 5 mm is 30 N or less.
The central position of the flocked surface in the head portion in the axial direction and the end portion of the handle portion on the tip end side are one side of the axial direction and the second direction orthogonal to the first direction. A load was applied to the center position of the neck portion in the axial direction from the other side in the second direction to the one side at a speed of 10 mm / min to deform the deformed portion by 5 mm. A toothbrush characterized in that the maximum load at the time is 30 N or less. 前記ハンドル部は、ショアＡ硬度が９０以下の軟質樹脂のみで形成されることを特徴とする請求項１または２に記載の歯ブラシ。 The toothbrush according to claim 1 or 2, wherein the handle portion is formed only of a soft resin having a shore A hardness of 90 or less. 前記変形部の変形は、前記ネック部と前記ハンドル部が連動して曲がることを特徴とする請求項３に記載の歯ブラシ。 The toothbrush according to claim 3, wherein the deformation of the deformed portion bends in conjunction with the neck portion and the handle portion. 前記ネック部は、硬質樹脂で形成された硬質部分を有し、
前記ネック部の前記軸直方向の中央部分における前記軸直方向と直交する面において、前記ネック部の断面積に対する前記硬質部分の断面積の割合は、５％以上、５０％未満である、
請求項１から４のいずれか一項に記載の歯ブラシ。 The neck portion has a hard portion formed of a hard resin and has a hard portion.
The ratio of the cross-sectional area of the hard portion to the cross-sectional area of the neck portion is 5% or more and less than 50% on the plane orthogonal to the axial direction in the central portion of the neck portion in the axial direction.
The toothbrush according to any one of claims 1 to 4.
JP2021018489A 2015-09-25 2021-02-08 toothbrush Active JP7166372B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2015188042 2015-09-25
JP2015188042 2015-09-25
JP2015188040 2015-09-25
JP2015188040 2015-09-25

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2017541541A Division JP6858703B2 (en) 2015-09-25 2016-09-16 toothbrush

Publications (3)

Publication Number Publication Date
JP2021074606A JP2021074606A (en) 2021-05-20
JP2021074606A5 true JP2021074606A5 (en) 2021-11-11
JP7166372B2 JP7166372B2 (en) 2022-11-07

Family

ID=58386524

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2017541541A Active JP6858703B2 (en) 2015-09-25 2016-09-16 toothbrush
JP2021018489A Active JP7166372B2 (en) 2015-09-25 2021-02-08 toothbrush

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP2017541541A Active JP6858703B2 (en) 2015-09-25 2016-09-16 toothbrush

Country Status (5)

Country Link
JP (2) JP6858703B2 (en)
KR (1) KR20180058218A (en)
CN (1) CN108024619B (en)
MY (1) MY192003A (en)
WO (1) WO2017051777A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7085177B2 (en) * 2017-06-07 2022-06-16 ヤマトエスロン株式会社 Toothbrush for infants
JP7349324B2 (en) * 2018-11-02 2023-09-22 アース製薬株式会社 liquid toothpaste application brush
JP7399107B2 (en) 2018-12-27 2023-12-15 ライオン株式会社 toothbrush
JP7370179B2 (en) * 2019-06-28 2023-10-27 ライオン株式会社 toothbrush
CN114025643B (en) * 2019-06-28 2024-06-04 狮王株式会社 Toothbrush with tooth brush
KR20240072014A (en) 2022-11-16 2024-05-23 주식회사 아이투씨브릿지 Toothbrush, Brushing Mechanism for toothbrush, Using Method of toothbrush and Restoring Mechanism

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000070997A1 (en) * 1999-05-24 2000-11-30 Glaxosmithkline Consumer Healthcare Gmbh & Co Kg Toothbrush
US6546583B1 (en) * 2000-07-11 2003-04-15 Bamed Ag Toothbrush
JP2006068361A (en) * 2004-09-03 2006-03-16 Pigeon Corp Toothbrush
JP4558384B2 (en) * 2004-06-15 2010-10-06 ライオン株式会社 toothbrush
JP4802584B2 (en) * 2005-07-21 2011-10-26 サンスター株式会社 Oral cleaning tool and oral cleaning method using the same
JP4943055B2 (en) * 2006-05-09 2012-05-30 ピジョン株式会社 Toothbrush set
JP5468832B2 (en) * 2009-07-07 2014-04-09 花王株式会社 toothbrush
JP2010201197A (en) * 2010-06-14 2010-09-16 Lion Corp Toothbrush
GB201104024D0 (en) 2011-03-09 2011-04-20 Glaxosmithkline Consumer Healt Novel device
US9289055B2 (en) * 2012-07-23 2016-03-22 Jonathan T. Slocum Force sensitive toothbrush
BR112015024810B1 (en) 2013-03-28 2021-08-10 Colgate-Palmolive Company TOOTHBRUSH
JP5824121B1 (en) * 2014-08-01 2015-11-25 合資会社三和歯ブラシ工業所 toothbrush

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