JP2021100576A - 口腔ケア器具用のヘッド及び口腔ケア器具 - Google Patents
口腔ケア器具用のヘッド及び口腔ケア器具 Download PDFInfo
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- A46D1/00—Bristles; Selection of materials for bristles
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Abstract
Description
外径56:0.295mm
チャネルの凹状の湾曲部の半径58:0.01mm
凹状の湾曲部の半径58に対する外径56の比率:29.5
突起部の先細りα:15°
突起部の湾曲部の直径62:0.04mm
半径58に対する直径62の比率:4
内径64:0.1mm。
外径28:0.309mm
凹状の湾曲部の半径30:0.06mm
凹状の湾曲部の半径30に対する外径28の比率:5.15
突起部の先細りα:10°
突起部42の湾曲部の直径42:0.04mm
半径30に対する直径42の比率:0.67
内径70:0.12mm。
ロボット試験:
複数のフィラメント68を備える図4に従った毛束66(毛束の直径:1.7mm)(代表的実施形態1)、複数のフィラメント74を備える図5に従った毛束72(毛束の直径:1.7mm)(代表的実施例2)、複数のフィラメント54を備える図6に従った毛束76(毛束の直径:1.7mm)(代表的実施例3)を、人工歯(タイポドント)上での歯垢の代替除去におけるそれらの有効性に関して、比較した。
図8は、約46%の詰込み率を有する第2のタイプの毛束(毛束の直径:1.7mm)(代表的実施形態4)の「スラリー取り込み質量」を、ダイヤモンド形状のフィラメント(図10を参照)を備え、かつ約80%の詰込み率を有する毛束(毛束の直径:1.7mm)(比較実施例5)の「スラリー取り込み質量」、及び比較実施例2による約77%の詰込み率を有する毛束72の「スラリー取り込み質量」と比較した図を示す。
外径:0.269mm
チャネルの凹状の湾曲部の半径:0.05mm
凹状の湾曲部の半径に対する外径の比率:5.38
突起部の先細りα:14°
突起部の湾曲部の直径:0.029mm
チャネルの凹状の湾曲部の半径に対する、突起部の湾曲部の直径の比率:0.58
内径:0.102mm
長い方の対角線長さ92:0.29mm
短い方の対角線長さ94:0.214mm
代表的実施形態4並びに比較実施例2及び5による毛束を備えるブラシヘッドを、フィラメントが下向きに尖った水平位置にて固定した。練り歯磨きスラリーの皿(練り歯磨き:水=1:3)を、はかりと共に、ブラシヘッド直下に定置させた。このスケールを用いて、皿内のスラリー量を測定した。試験が開始されると、ブラシは100mm/sで下方に移動し、かつスラリー中に2mmの深さで浸液した。次に、ブラシを練り歯磨きスラリー中で5秒間保持して、再び100mm/sで引き上げた。この垂直方向の力を、時間の経過に伴って測定した。
Claims (15)
- 口腔ケア器具(10)用のヘッド(14)であって、前記ヘッド(14)が外側周縁部(98)及び内側部分(100)を有し、前記ヘッド(14)が少なくとも1つの第1のタイプのフィラメントの毛束(96)、及び少なくとも1つの第2のタイプのフィラメントの毛束(16、66)を備え、
前記少なくとも1つの第1のタイプの毛束(96)が前記ヘッド(14)の前記内側部分(100)に配置され、複数のフィラメント(74)を備え、各フィラメント(74)が、長手方向軸線と、前記長手方向軸線に対して実質的に垂直な平面にて延在する、実質的に円形形状の断面領域(102)と、を有し、
前記少なくとも1つの前記第2のタイプの毛束(16、66)が前記ヘッド(14)の前記外側周縁部(98)に配置され、複数のフィラメント(20、68)を備え、各フィラメント(20、68)が、長手方向軸線と、前記長手方向軸線に対して実質的に垂直な平面にて延在する実質的に十字形状の断面領域(22)と、を有し、前記十字形状の断面領域(22)が4つの突起部(24)及び4つのチャネル(26)を有し、前記突起部(24)及びチャネル(26)が交互に配置され、
前記少なくとも1つの前記第2のタイプのフィラメントの毛束(16、66)が、約40%〜約55%の範囲内の詰込み率を有する、口腔ケア器具(10)用のヘッド(14)。 - 前記詰込み率が約45%〜約50%の範囲内である、請求項1に記載のヘッド(14)。
- 複数の前記第1のタイプの毛束(96)が、前記ヘッド(14)の前記内側部分(100)における列に配置され、複数の前記第2のタイプの毛束(16、66)が、前記ヘッド(14)の前記外側周縁部(98)における列に配置される、請求項1又は2に記載のヘッド(14)。
- 前記少なくとも1つの前記第2のタイプの毛束(16、66)の前記フィラメント(20、68)の各チャネル(26)が、隣接しかつ合流する突起部(24)ことにより形成された凹状の湾曲部(34)を有し、前記凹状の湾曲部(34)が半径(30)を有し、前記チャネル(26)の前記凹状の湾曲部(34)の前記半径(30)が約0.025mm〜約0.10mmの範囲内である、請求項1〜3のいずれか一項に記載のヘッド(14)。
- 前記チャネル(26)の前記凹状の湾曲部(34)の前記半径(30)が、約0.03mm〜約0.08mm、好ましくは約0.04mm〜約0.06mmの範囲内である、請求項4に記載のヘッド(14)。
- 前記少なくとも1つの前記第2のタイプの毛束(16、66)の各フィラメント(20、68)の前記断面領域(22)が、約0.15mm〜約0.40mm、好ましくは約0.19mm〜約0.38mm、更に好ましくは約0.22mm〜約0.35mm、より一層更に好ましくは約0.24mm〜約0.31mmの範囲内の外径(28)を有する、請求項1〜5のいずれか一項に記載のヘッド(14)。
- 前記少なくとも1つの前記第2のタイプの毛束(16、66)の各フィラメント(20、68)の前記断面領域(22)が外径(28)を有し、前記少なくとも1つの前記第2のタイプの毛束(16、66)の前記フィラメント(20、68)の各チャネル(26)が、隣接しかつ合流する前記突起部(24)により形成された凹状の湾曲部(34)を有し、前記凹状の湾曲部(34)が半径(30)を有し、前記チャネル(26)の前記凹状の湾曲部(34)の前記半径(30)に対する、前記外径(28)の前記比率が、約2.5〜約12、好ましくは約2.7〜約9の範囲内である、請求項1〜6のいずれか一項に記載のヘッド(14)。
- 前記少なくとも1つの前記第2のタイプの毛束(16、66)の前記フィラメント(20、68)の前記断面領域(22)の各突起部(24)の端が丸められており、それにより湾曲部を形成し、前記湾曲部が直径(42)を有し、前記突起部(24)の前記湾曲部の前記直径(42)が、約0.01mm〜約0.04mmの範囲内、好ましくは約0.018mm〜約0.026mmの範囲内にある、請求項1〜7のいずれか一項に記載のヘッド(14)。
- 前記少なくとも1つの前記第2のタイプの毛束(16、66)のフィラメント(20、68)の前記断面領域(22)の各突起部(24)の端が丸められており、それにより湾曲部を形成し、前記湾曲部が直径(42)を有し、前記少なくとも1つの前記第2のタイプの毛束(16、66)の前記フィラメント(20、68)の各チャネル(26)が、隣接しかつ合流する前記突起部(24)により形成された凹状の湾曲部(34)を有し、前記凹状の湾曲部(34)が半径(30)を有し、前記チャネル(26)の前記湾曲部(34)の前記半径(30)に対する、前記突起部(24)の前記湾曲部の前記直径(42)の前記比率が、約0.2〜約1.5である、請求項1〜8のいずれか一項に記載のヘッド(14)。
- 前記チャネル(26)の前記湾曲部(34)の前記半径(30)に対する、前記突起部(24)の前記湾曲部の前記直径(42)の前記比率が、約0.3〜約1.0、好ましくは約0.5〜約0.7である、請求項9に記載のヘッド(14)。
- 前記少なくとも1つの前記第2のタイプの毛束(16、66)の各フィラメント(20、68)の前記十字形状の断面領域(22)の各突起部(24)が、外向き方向にて先細になっている、請求項1〜10のいずれか一項に記載のヘッド(14)。
- 各突起部24が、約6°〜約25°、好ましくは約8°〜約20°の範囲で画定された角度で、外向き方向にて先細になっている、請求項11に記載のヘッド(14)。
- 前記少なくとも1つの前記第2のタイプの毛束(16、66)の各フィラメント(20、68)が、その長手方向軸線に沿った、実質的に円筒状の部分及び先細部分を備え、前記先細部分が、前記フィラメントの自由端に向かって先細になり、前記円筒状の部分が、請求項1〜12のいずれか一項に記載の断面領域(22)を有する、請求項1〜12のいずれか一項に記載のヘッド(14)。
- 前記第2のタイプの前記毛束(16、66)が、長手方向軸線と、前記長手方向軸線に対して垂直である平面にて延在する断面領域と、を有し、前記第2のタイプの前記毛束(16、66)の前記断面領域が各フィラメント(20、68)の前記断面領域(22)の前記形状に関して拡大した形状を有する様式にて、前記複数のフィラメント(20、68)が配置される、請求項1〜13のいずれか一項に記載のヘッド(14)。
- 請求項1〜14のいずれか一項に記載のヘッド(14)を備える、口腔ケア器具(10)。
Applications Claiming Priority (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16172797.9 | 2016-06-03 | ||
EP16172798.7 | 2016-06-03 | ||
EP16172799.5 | 2016-06-03 | ||
EP16172797.9A EP3251547B1 (en) | 2016-06-03 | 2016-06-03 | Filament for an oral care implement and oral care implement |
EP16172798.7A EP3251548B1 (en) | 2016-06-03 | 2016-06-03 | Filament for an oral care implement and oral care implement |
EP16172799.5A EP3251549B1 (en) | 2016-06-03 | 2016-06-03 | Tuft and head for an oral care implement and oral care implement |
EP16177336.1 | 2016-06-30 | ||
EP16177336.1A EP3251552B1 (en) | 2016-06-03 | 2016-06-30 | Head for an oral care implement and oral care implement |
JP2018562922A JP7086865B2 (ja) | 2016-06-03 | 2017-05-31 | 口腔ケア器具用のヘッド及び口腔ケア器具 |
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JP2018562922A Division JP7086865B2 (ja) | 2016-06-03 | 2017-05-31 | 口腔ケア器具用のヘッド及び口腔ケア器具 |
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