EP2181621A1 - Toothbrush - Google Patents
Toothbrush Download PDFInfo
- Publication number
- EP2181621A1 EP2181621A1 EP08018786A EP08018786A EP2181621A1 EP 2181621 A1 EP2181621 A1 EP 2181621A1 EP 08018786 A EP08018786 A EP 08018786A EP 08018786 A EP08018786 A EP 08018786A EP 2181621 A1 EP2181621 A1 EP 2181621A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- handle
- toothbrush
- recess
- toothbrush according
- recesses
- 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- Withdrawn
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Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B5/00—Brush bodies; Handles integral with brushware
- A46B5/02—Brush bodies; Handles integral with brushware specially shaped for holding by the hand
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B5/00—Brush bodies; Handles integral with brushware
- A46B5/02—Brush bodies; Handles integral with brushware specially shaped for holding by the hand
- A46B5/021—Grips or handles specially adapted to conform to the hand
-
- 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 to a toothbrush having an upper side and an opposite lower side, with a head, on the upper side tooth cleaning elements are provided, with a handle having a recess and with a neck connecting the head to the handle, wherein a longitudinal direction the toothbrush extends from a free end of the handle to the free end of the head.
- the toothbrush has a recess which is formed such that an at least finger-wide recessed grip is formed by the wall sections bounding the recess to the outside.
- the recessed grip is thus not formed by the recess inwardly bounding wall sections, but by the formed in cooperation with the other cross-sectional shape of the outer handle portion outer limiting wall sections of the recess.
- the recessed grip thus formed is formed at least finger width, so that despite reduced material usage through the recess improved handling of the toothbrush is provided by the recessed grip.
- the recessed grip has two raised flanks or abutment shoulders for the finger arranged opposite one another in the longitudinal direction of the toothbrush.
- at least one raised flank or contact shoulder is provided.
- the distance between the flank high points is at least 1 cm.
- At least two, three or four recessed grips are formed by the recesses on the handle.
- the recesses can be delimited from one another by partitions or blended seamlessly without partitions and thus form a common large recess.
- four grips is made possible that the thumb can be safely stored on one side of the toothbrush handle and the remaining four fingers also find around the recess around recessed handles over which the toothbrush can be safely detected by the entire hand.
- the recessed grip is not formed by the inner depth extension of the recess, but by the outwardly bounding wall sections of the recess, in particular in cooperation with the other handle shape.
- the at least one recess is arranged on the side of the handle opposite to the side with the tooth cleaning elements and open only to the underside of the handle, so that the at least one recess limiting grip walls or wall sections in the cross-sectional view, ie 90 ° transverse to the longitudinal direction of the toothbrush, forming an inverted U. Due to the recess on the underside of the toothbrush, which is surrounded on three sides seen in section by walls, a good mold release from the injection mold is unchanged given. Furthermore, the U-structure forms a mechanically rigid structure in the section of the wall sections around the recess, so that the overall strength of the toothbrush is sufficiently strong. So z. B. in recesses that form a mutual breakthrough by the toothbrush head, the flexural rigidity deteriorates greatly, as far as to the same extent as present material in the grip area is saved.
- the side cheeks of the handle form a sidecut.
- the sidecut in combination with the recessed grips thus forms a further improvement of the ergonomics of the toothbrush and variability of the possibilities of use of the toothbrush especially for Asian users.
- the sidecut provides for further material savings even in the outer region of the handle, because only in the end regions of the handle, a cross-sectional widening is provided; - So in the places where the enlarged outer cross section of the handle to improve ergonomics contributes.
- the handle on the top and on the underside adjacent to the neck ever a thumb rest on.
- the thumb rest is formed on the underside in the present case by the recessed grip of the recess.
- the thumb rest has at its edge regions, in particular in the longitudinal direction of the toothbrush on a raised investment structure, so that between these raised flanks or investment structures or shoulders of the thumb rests securely on both sides of the toothbrush and does not slip in use or immersed in the recess.
- the top of the handle on a plurality of finger wide recesses is therefore not smooth but structured with light (a few mm) wells provided, so that even on the top of the handle all fingers, depending on the brushing technique of the user, find a secure support.
- the recesses are in this case made small, because on the back of the wells, the recess is formed in the handle.
- the outline of the underside of the handle describes a concave curvature.
- the end portions of the underside of the handle describe the lowest points of the arc curvature and the approximately central region of the handle underside in side view of the toothbrush describes the high point of the bow curvature.
- the U-shaped handle walls to the top of the handle out, so the handle wall connecting the two U-legs has a thinner wall thickness than the side walls or side legs of the U-section.
- the at least one recess is formed by a cavity in elliptical shape.
- the recesses In a plane parallel to the receiving surface for the tooth cleaning elements on the head, the recesses have an elliptical shape.
- the at least one elliptical cavity is aligned in the handle such that the narrow side adjacent to the side cheeks and the longitudinal sides of the ellipses are aligned with the free ends of the toothbrush.
- a plurality of elliptical cavities are formed by the recesses and open to each other in the longitudinal direction, ie delimited without partitions, so that the individual elliptical cavities or recesses form a common large recess.
- the formation of the recess as an elliptical cavity facilitates the advantageous provision of recessed grips around the recesses around.
- the toothbrush is made of polypropylene.
- the toothbrush is very easy to produce by injection molding.
- the toothbrush can be produced by a one-component injection molding.
- the toothbrush in multi-component injection molding can be produced and possibly also provided with soft components, such as thermoplastic elastomers.
- Fig. 1 shows a perspective view of the top of a toothbrush with a head 1, an adjoining neck 2 and in turn adjoining the neck handle 3.
- the top of the toothbrush has in the region of the head 1 tooth cleaning elements in the form of bristle tufts 4.
- the top of the handle 3 has a thumb rest 5, which is formed as a recess in the surface structure.
- the thumb rest 5 in particular has a contact shoulder 6 in the longitudinal direction of the toothbrush towards the head and a contact shoulder 7 in the longitudinal direction of the toothbrush towards the free end 8 of the handle.
- the thumb rest is, as in particular from the top view of the toothbrush in Fig. 2 emerges elliptical and provided with concentric elliptical corrugations, which also increase the grip in the area of the thumb rest.
- the top of the handle 3 has further only a few millimeters in the structure of the surface of the handle reaching into depressions 9, 10, 11 and 12, which adjoin the thumb rest to the free end 13 and how the thumb rest are formed about finger width in the longitudinal direction.
- the recesses 9, 10, 11 and 12 are also formed substantially elliptical, so that in each case oblique bearing shoulders for the fingers are given to the wells. Notwithstanding the presented elliptical formation of the recesses, these can also have a different geometric shape.
- a significant sidecut 14 of the handle 3 is provided in a plane which is approximately parallel to Borstenbestopfungsebene 17 of the head 1. In this plane, an enlarged outline cross-section 15 is thus provided around the thumb rest 5 and, at the other end of the grip adjacent to the free end 13, an enlarged cross section of the grip 16 is given.
- FIG. 3 A side view of the toothbrush, shows the waist is slightly pronounced in the approximately central area in the side view of the toothbrush.
- the toothbrush has from its handle-side free end 13 to the head-side free end 20 has an approximately s-shaped basic shape.
- the toothbrush top 18 has several abutment shoulders or high points, which delimit the individual ellipses or the finger depressions 5, 9, 10, 11, 12, which are understood therein.
- the toothbrush base 19 has a concave or arcuate curvature towards the center of the handle in the grip area.
- This stronger curvature of the underside of the handle is reproduced by the upper side of the handle less visible to the outside in side view.
- the underside of the handle is curved not only arcuately concave towards the toothbrush interior, but the outline is further formed in side view slightly wavy structured in outline.
- This waveform 23 is due to the different recessed grips on the bottom 19 of the handle 3, because the recessed grips are delimited on the bottom by flanks or shoulders and finally by high points to each other.
- a first recessed grip is formed opposite to the thumb rest 5 on the upper side at the same end adjacent to the neck also on the lower side 19. The thumb or forefinger can thus be received in the grip 24 adjacent to the neck on the underside 19.
- the recessed grip 24 has two oppositely disposed, raised flanks 29, 30 which extend in the longitudinal direction of the toothbrush, in particular along the longitudinal axis AA in FIG Fig. 2 are arranged opposite one another.
- the one flank 29 of the recessed grip 24 is thus arranged adjacent to the neck and prevents slippage of the finger received in the recessed grip towards the neck and the other shoulder or flank 30 of the recessed grip 24 is arranged facing the free end 13.
- further recessed grips 25, 26, 27 and 28 are formed on the underside 19 of the handle 3.
- this handle thus provides five finger recesses on the top of the handle and five corresponding recessed grips on the bottom of the handle. Alternatively, fewer depressions or recessed grips are formed. Due to the large number of recessed grips and the resulting undulating outline structure along the underside of the handle, a particularly good grip of the toothbrush and handling is ensured.
- Fig. 4 shows a longitudinal sectional view through the toothbrush along the line AA in Fig. 2
- recesses 31, 32, 33, 34 and 35 are provided, which are not separated from each other by partitions in this embodiment and thus form a common large recess.
- These recesses 31 to 35 are bounded in the transverse direction by three walls, namely the side cheeks 36 and 37 (see Fig. 5 ) and the inner back 38 of the top of the handle portion 3.
- These three walls form an untwisted U in a sectional plane the perpendicular and transverse to the section line AA in Fig. 2 lies.
- the recesses thus extend over the entire grip area of the toothbrush.
- Fig. 5 and Fig. 6 is formed by the recessed grips 24 to 28 on the underside of the handle not only a waveform with flank high points and concave depressions in the respective recesses around the recess around, but also a waveform in plan view of the recesses 31 to 35, which is due to the respective elliptical shape of the cavity of the recesses.
- the resulting from the shape of the recesses notch is taken from the bottom of the handle so that the outwardly bounding wall sections form fingerumble recessed grips.
- Finger width means in this case approximately at least 1 cm wide in the longitudinal direction of the toothbrush of the recessed grip.
- the length of the recessed grip from one flank high point to the next flank high point of the adjacent recessed grip in the longitudinal direction of the handle varies for the different grip recesses between 10 and 40 mm.
- Each grip on the underside of the handle is designed differently sized, because different amounts of space for the different fingers is needed and the sidecut of the toothbrush handle anyway affects the handle recess width and length.
- the wall thickness of the top of the handle which coincides with the side of the tooth cleaning elements, is thinner in this variant than the wall thickness of the side cheeks 36 and 37 of the handle, so that a certain flexibility of the handle and the brush body in the plane through the section AA in the Fig. 2 is given and a reduced flexibility of the toothbrush in the lateral direction is possible.
- the thinner design of the top of the handle allows the realization of other decorative structures that appear when using a transparent or translucent plastic as a base material for the toothbrush body with a different, lighter density than the other walls of the toothbrush.
- the toothbrush further comprises a tongue cleaner 40 on the head bottom, which is formed by ribs.
- the handle structure shown here can be combined with any desired bristle pattern or tongue cleaner pattern or even without tongue cleaner pattern on the back of the head.
- fewer recessed grips can be formed on the underside of the handle.
- openings are also provided on the upper side of the handle, as long as the associated destabilization of the handle structure is desired.
- the toothbrush is made of polypropylene, but could also be made of a different plastic material. This toothbrush is injected from a plastic component by injection molding. Alternatively, further plastic components, in particular elastomeric plastics can be formed on the head, on the neck or on the grip area according to the multi-component injection molding process.
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- Brushes (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft eine Zahnbürste mit einer Oberseite und einer gegenüberliegenden Unterseite, mit einem Kopf, an dessen Oberseite Zahnreinigungselemente vorgesehen sind, mit einem Griff, der eine Ausnehmung aufweist und mit einem Hals, der den Kopf mit dem Griff verbindet, wobei sich eine Längsrichtung der Zahnbürste von einem freien Ende des Griffes zum freien Ende des Kopfes erstreckt.The present invention relates to a toothbrush having an upper side and an opposite lower side, with a head, on the upper side tooth cleaning elements are provided, with a handle having a recess and with a neck connecting the head to the handle, wherein a longitudinal direction the toothbrush extends from a free end of the handle to the free end of the head.
Aus der
Es ist daher eine Aufgabe der vorliegenden Erfindung, eine Zahnbürste bereitzustellen, die einerseits mit geringem Aufwand unter Einsatz von wenig Kunststoffmaterial herstellbar ist und andererseits für die global kulturell sehr unterschiedlichen Handhabungsweisen einer Zahnbürste angenehm und ergonomisch von Menschen zu benutzen ist.It is therefore an object of the present invention to provide a toothbrush that can be produced on the one hand with little effort using little plastic material and on the other hand for the globally culturally very different ways of handling a toothbrush comfortable and ergonomic to use by people.
Diese Aufgabe wird durch eine Zahnbürste mit den Merkmalen des Anspruchs 1 gelöst. Somit weist die Zahnbürste eine Ausnehmung auf, die derart ausgebildet ist, dass eine zumindest fingerbreite Griffmulde durch die die Ausnehmung nach außen begrenzenden Wandungsabschnitte gebildet ist. Die Griffmulde ist also nicht durch die die Ausnehmung nach innen begrenzenden Wandungsabschnitte gebildet, sondern durch die im Zusammenwirken mit der übrigen Querschnittsform des äußeren Griffbereiches gebildeten äußeren begrenzenden Wandungsabschnitte der Ausnehmung. Die so gebildete Griffmulde ist zumindest fingerbreit ausgebildet, so dass trotz reduzierten Materialeinsatzes durch die Ausnehmung eine verbesserte Handhabung der Zahnbürste durch die Griffmulde bereitgestellt ist.This object is achieved by a toothbrush having the features of claim 1. Thus, the toothbrush has a recess which is formed such that an at least finger-wide recessed grip is formed by the wall sections bounding the recess to the outside. The recessed grip is thus not formed by the recess inwardly bounding wall sections, but by the formed in cooperation with the other cross-sectional shape of the outer handle portion outer limiting wall sections of the recess. The recessed grip thus formed is formed at least finger width, so that despite reduced material usage through the recess improved handling of the toothbrush is provided by the recessed grip.
Weitere vorteilhafte Weiterbildungen der Erfindungen sind in den Unteransprüchen dargestellt.Further advantageous developments of the inventions are shown in the subclaims.
In vorteilhafter Weiterbildung weist die Griffmulde zwei in Längsrichtung der Zahnbürste einander gegenüberliegend angeordnete erhabene Flanken oder Anlageschultern für den Finger auf. In einer Variante ist zumindest eine erhabene Flanke bzw. Anlageschulter bereitgestellt. Somit ist ein Abrutschen des Fingers in Längsrichtung der Zahnbürste zum Kopf hin oder zum gegenüberliegenden freien Ende des Griffes für den in der Griffmulde aufgenommenen Finger verhindert.In an advantageous development, the recessed grip has two raised flanks or abutment shoulders for the finger arranged opposite one another in the longitudinal direction of the toothbrush. In a variant, at least one raised flank or contact shoulder is provided. Thus, a slipping of the finger in the longitudinal direction of the toothbrush to the head or prevents the opposite free end of the handle for the finger received in the grip.
In vorteilhafter Weiterbildung beträgt der Abstand der Flanken-Hochpunkte zumindest 1 cm. Somit ist sichergestellt, dass die Griffmulde etwa fingerbreit ausgebildet ist und ein Finger eines Menschen gut in der Griffmulde aufgenommen werden kann.In an advantageous embodiment, the distance between the flank high points is at least 1 cm. Thus, it is ensured that the recessed grip is formed about fingerbreit and a finger of a human well in the grip can be taken.
In vorteilhafter Weiterbildung der Erfindung sind durch die Ausnehmungen am Griff zumindest zwei, drei oder vier Griffmulden ausgebildet. Die Ausnehmungen können dabei durch Trennwände voneinander abgegrenzt oder ohne Trennwände fließend ineinander übergehen und so eine gemeinsame große Ausnehmung bilden. Durch die Bereitstellung von z. B. vier Griffmulden ist ermöglicht, dass der Daumen auf der einen Seite des Zahnbürstengriffes sicher abgelegt werden kann und die übrigen vier Finger ebenfalls um die Ausnehmung herum Griffmulden vorfinden, über die die Zahnbürste durch die gesamte Hand sicher erfasst werden kann. Wie bereits oben ausgeführt, ist die Griffmulde dabei nicht durch die innere Tiefenerstreckung der Ausnehmung, sondern durch die nach außen begrenzenden Wandungsabschnitte der Ausnehmung, insbesondere im Zusammenwirken mit der übrigen Griffform gebildet.In an advantageous embodiment of the invention, at least two, three or four recessed grips are formed by the recesses on the handle. The recesses can be delimited from one another by partitions or blended seamlessly without partitions and thus form a common large recess. By providing z. B. four grips is made possible that the thumb can be safely stored on one side of the toothbrush handle and the remaining four fingers also find around the recess around recessed handles over which the toothbrush can be safely detected by the entire hand. As already stated above, the recessed grip is not formed by the inner depth extension of the recess, but by the outwardly bounding wall sections of the recess, in particular in cooperation with the other handle shape.
In weiterer vorteilhafter Ausbildung ist die zumindest eine Ausnehmung an der Seite des Griffes gegenüberliegend zu der Seite mit den Zahnreinigungselementen angeordnet und nur zur Unterseite des Griffes hin offen, so dass die die zumindest eine Ausnehmung begrenzenden Griffwände bzw. Wandungsabschnitte in der Querschnittsansicht, also 90° quer zur Längsrichtung der Zahnbürste, ein auf dem Kopf stehendes U bilden. Durch die Ausnehmung auf der Unterseite der Zahnbürste, die nach drei Seiten hin im Schnitt gesehen von Wandungen umgeben ist, ist unverändert eine gute Entformbarkeit der Zahnbürste aus dem Spritzgusswerkzeug gegeben. Ferner bildet die U-Struktur im Schnitt der Wandungsabschnitte um die Ausnehmung herum eine mechanisch biegesteife Struktur, so dass die Gesamtfestigkeit der Zahnbürste ausreichend fest ist. So ist z. B. bei Ausnehmungen, die einen beiderseitigen Durchbruch durch den Zahnbürstenkopf bilden, die Biegesteifigkeit stark verschlechtert, soweit wie im gleichen Maß wie vorliegend Material im Griffbereich einzusparen ist.In a further advantageous embodiment, the at least one recess is arranged on the side of the handle opposite to the side with the tooth cleaning elements and open only to the underside of the handle, so that the at least one recess limiting grip walls or wall sections in the cross-sectional view, ie 90 ° transverse to the longitudinal direction of the toothbrush, forming an inverted U. Due to the recess on the underside of the toothbrush, which is surrounded on three sides seen in section by walls, a good mold release from the injection mold is unchanged given. Furthermore, the U-structure forms a mechanically rigid structure in the section of the wall sections around the recess, so that the overall strength of the toothbrush is sufficiently strong. So z. B. in recesses that form a mutual breakthrough by the toothbrush head, the flexural rigidity deteriorates greatly, as far as to the same extent as present material in the grip area is saved.
In vorteilhafter Weiterbildung bilden die Seitenwangen des Griffes eine Taillierung aus. Die Taillierung in Kombination mit den Griffmulden bildet somit eine weitere Verbesserung der Ergonomie der Zahnbürste und Variabilität der Benutzungsmöglichkeiten der Zahnbürste insbesondere für asiatische Benutzer. Daneben sorgt die Taillierung für eine weitere Materialersparnis auch im Außenbereich des Griffes, weil nur in den Endbereichen des Griffes eine Querschnittsverbreiterung bereitgestellt ist; - also an den Orten, an denen der vergrößerte Außenquerschnitt des Griffes zur Verbesserung der Ergonomie beiträgt.In an advantageous embodiment, the side cheeks of the handle form a sidecut. The sidecut in combination with the recessed grips thus forms a further improvement of the ergonomics of the toothbrush and variability of the possibilities of use of the toothbrush especially for Asian users. In addition, the sidecut provides for further material savings even in the outer region of the handle, because only in the end regions of the handle, a cross-sectional widening is provided; - So in the places where the enlarged outer cross section of the handle to improve ergonomics contributes.
In weiterer vorteilhafter Ausbildung der Erfindung weist der Griff an der Oberseite und an der Unterseite benachbart zum Hals je eine Daumenauflage auf. Dabei ist die Daumenauflage an der Unterseite im vorliegenden Fall durch die Griffmulde der Ausnehmung gebildet. Die Daumenauflage weist an ihren Randbereichen insbesondere in Längsrichtung der Zahnbürste eine erhabene Anlagestruktur auf, so dass zwischen diesen erhabenen Flanken oder Anlagestrukturen oder Schultern der Daumen auf beiden Seiten der Zahnbürste sicher aufliegt und in der Benutzung nicht abrutscht oder in die Ausnehmung eintaucht.In a further advantageous embodiment of the invention, the handle on the top and on the underside adjacent to the neck ever a thumb rest on. In this case, the thumb rest is formed on the underside in the present case by the recessed grip of the recess. The thumb rest has at its edge regions, in particular in the longitudinal direction of the toothbrush on a raised investment structure, so that between these raised flanks or investment structures or shoulders of the thumb rests securely on both sides of the toothbrush and does not slip in use or immersed in the recess.
In weiterer vorteilhafter Ausbildung weist die Oberseite des Griffes mehrere fingerbreite Vertiefungen auf. Die Oberflächenstruktur der Oberseite ist also nicht glatt sondern strukturiert mit leichten (wenigen mm) Vertiefungen versehen, so dass auch auf der Oberseite des Griffes alle Finger, je nach Putztechnik des Benutzers, eine sichere Auflage finden. Die Vertiefungen sind hierbei gering ausgebildet, weil auf der Rückseite der Vertiefungen die Ausnehmung im Griff ausgebildet ist.In a further advantageous embodiment, the top of the handle on a plurality of finger wide recesses. The surface structure of the top is therefore not smooth but structured with light (a few mm) wells provided, so that even on the top of the handle all fingers, depending on the brushing technique of the user, find a secure support. The recesses are in this case made small, because on the back of the wells, the recess is formed in the handle.
In weiterer vorteilhafter Ausbildung beschreibt die Umrisslinie der Unterseite des Griffes eine konkave Krümmung. In Seitenansicht der Zahnbürste ist also die Unterseite des Griffes bogenförmig gekrümmt, wobei die Endabschnitte der Unterseite des Griffes die tiefsten Punkte der Bogenkrümmung beschreiben und der etwa mittlere Bereich der Griffunterseite in Seitenansicht der Zahnbürste den Hochpunkt der Bogenkrümmung beschreibt. Somit wird wiederum Kunststoffmaterial im Griffbereich eingespart, weil die Grundform der Griffunterseite so ausgestaltet ist, dass nur dort Griffwandungen vorgesehen sind, wo dies aus ergonomischen Gründen als notwendig erachtet wird.In a further advantageous embodiment, the outline of the underside of the handle describes a concave curvature. In side view of the toothbrush so the underside of the handle is arcuately curved, the end portions of the underside of the handle describe the lowest points of the arc curvature and the approximately central region of the handle underside in side view of the toothbrush describes the high point of the bow curvature. Thus, plastic material is again saved in the grip area, because the basic shape of the handle base is designed so that only there grip walls are provided, where this is considered necessary for ergonomic reasons.
In weiterer vorteilhafter Ausbildung der Erfindung weisen die U-förmigen Griffwände zur Oberseite des Griffes hin, also weist die die beiden U-Schenkel verbindende Griffwand eine dünnere Wandstärke auf als die Seitenwangen bzw. Seitenschenkel des U-Querschnittes. Somit ist eine erhöhte Biegesteifigkeit in seitlicher Richtung relativ zur Längsrichtung der Zahnbürste gegeben, während die Zahnbürste in Richtung der Erstreckung der Zahnreinigungselemente bzw. Borsten eine erhöhte Flexibilität in der Handhabung zulässt. Daneben entsteht auf diese Weise ein unterschiedlicher dekorativer Effekt der Oberseite relativ zu den Seitenwangen.In a further advantageous embodiment of the invention, the U-shaped handle walls to the top of the handle out, so the handle wall connecting the two U-legs has a thinner wall thickness than the side walls or side legs of the U-section. Thus, an increased bending stiffness in the lateral direction is given relative to the longitudinal direction of the toothbrush, while the toothbrush in the direction of the extension of the teeth cleaning elements or bristles allows increased flexibility in handling. Besides arises in this way a different decorative effect of the top relative to the side walls.
In weiterer vorteilhafter Ausbildung ist die zumindest eine Ausnehmung durch einen Hohlraum in Ellipsenform gebildet. In einer Ebene parallel zur Aufnahmefläche für die Zahnreinigungselemente am Kopf weisen die Ausnehmungen eine elliptische Form auf.In a further advantageous embodiment, the at least one recess is formed by a cavity in elliptical shape. In a plane parallel to the receiving surface for the tooth cleaning elements on the head, the recesses have an elliptical shape.
In weiterer vorteilhafter Ausbildung ist der zumindest eine elliptische Hohlraum derart im Griff ausgerichtet, dass die Schmalseite benachbart zu den Seitenwangen und die Längsseiten der Ellipsen mit den freien Enden der Zahnbürste ausgerichtet sind.In a further advantageous embodiment, the at least one elliptical cavity is aligned in the handle such that the narrow side adjacent to the side cheeks and the longitudinal sides of the ellipses are aligned with the free ends of the toothbrush.
In weiterer vorteilhafter Ausbildung der Erfindung sind mehrere elliptische Hohlräume durch die Ausnehmungen gebildet und in Längsrichtung zueinander offen, also ohne Trennwände abgegrenzt, so dass die einzelnen elliptischen Hohlräume bzw. Ausnehmungen eine gemeinsame große Ausnehmung bilden. Die Ausbildung der Ausnehmung als elliptischen Hohlraum erleichtert dabei die vorteilhafte Bereitstellung von Griffmulden um die Ausnehmungen herum.In a further advantageous embodiment of the invention, a plurality of elliptical cavities are formed by the recesses and open to each other in the longitudinal direction, ie delimited without partitions, so that the individual elliptical cavities or recesses form a common large recess. The formation of the recess as an elliptical cavity facilitates the advantageous provision of recessed grips around the recesses around.
In weiterer vorteilhafter Ausbildung der Erfindung ist die Zahnbürste aus Polypropylen ausgebildet. Somit ist die Zahnbürste sehr einfach im Spritzgießverfahren herstellbar.In a further advantageous embodiment of the invention, the toothbrush is made of polypropylene. Thus, the toothbrush is very easy to produce by injection molding.
Weiterhin ist die Zahnbürste durch ein Einkomponentenspritzgießen herstellbar. Alternativ ist die Zahnbürste im Mehrkomponenten Spritzgießen herstellbar und ggf. auch mit Weichkomponenten, wie thermoplastischen Elastomeren, versehen.Furthermore, the toothbrush can be produced by a one-component injection molding. Alternatively, the toothbrush in multi-component injection molding can be produced and possibly also provided with soft components, such as thermoplastic elastomers.
Diese und weitere Merkmale gehen außer aus den Ansprüchen auch aus der nachfolgenden Beschreibung, den bevorzugten Ausführungsbeispielen und den zugehörigen Zeichnungen hervor, wobei die Merkmale unabhängig von ihrer Zusammenfassung in den Ansprüchen für sich oder in Kombination miteinander Gegenstand der Erfindung bilden können. In den Zeichnungen zeigen:
- Fig. 1
- eine perspektivische Darstellung auf die Oberseite einer Zahnbürste nach der Erfindung,
- Fig. 2
- eine Draufsicht auf die Zahnbürstenoberseite nach
Fig. 1 , - Fig. 3
- eine Seitendarstellung der Zahnbürste nach
Fig. 1 , - Fig. 4
- eine Längsschnittdarstellung durch die Zahnbürste nach
Fig. 1 entlang der Schnittlinie A-A inFig. 2 , - Fig. 5
- eine Draufsicht auf die Zahnbürstenunterseite nach
Fig. 1 und - Fig. 6
- eine perspektivische Darstellung auf die Unterseite der Zahnbürste nach
Fig. 1 .
- Fig. 1
- a perspective view of the top of a toothbrush according to the invention,
- Fig. 2
- a top view of the toothbrush top after
Fig. 1 . - Fig. 3
- a side view of the toothbrush after
Fig. 1 . - Fig. 4
- a longitudinal section through the toothbrush after
Fig. 1 along the section line AA inFig. 2 . - Fig. 5
- a top view of the toothbrush base after
Fig. 1 and - Fig. 6
- a perspective view of the bottom of the toothbrush after
Fig. 1 ,
Wie aus
Wie aus
Die Wandstärke der Oberseite des Griffes, die mit der Seite der Zahnreinigungselemente übereinstimmt, ist in dieser Variante dünner ausgebildet als die Wandstärke der Seitenwangen 36 und 37 des Griffes, so dass eine gewisse Flexibilität des Griffes und des Bürstenkörpers in der Ebene durch den Schnitt A-A in der
Zudem erlaubt die dünnere Ausbildung der Oberseite des Griffes die Realisierung von weiteren dekorativen Strukturen, die bei Verwendung eines transparenten oder transluzenten Kunststoffes als Grundmaterial für den Zahnbürstenkörper mit anderer, hellerer Dichtigkeit erscheinen als die übrigen Wandungen der Zahnbürste.In addition, the thinner design of the top of the handle allows the realization of other decorative structures that appear when using a transparent or translucent plastic as a base material for the toothbrush body with a different, lighter density than the other walls of the toothbrush.
Wie in
Die Zahnbürste ist aus Polypropylen hergestellt, könnte aber auch aus einem anderen Kunststoffmaterial bestehen. Diese Zahnbürste ist aus einer Kunststoffkomponente im Spritzgießverfahren gespritzt. Alternativ sind weitere Kunststoffkomponenten, insbesondere Elastomerkunststoffe am Kopf, am Hals oder am Griffbereich gemäß dem Mehrkomponentenspritzgießverfahren ausbildbar.The toothbrush is made of polypropylene, but could also be made of a different plastic material. This toothbrush is injected from a plastic component by injection molding. Alternatively, further plastic components, in particular elastomeric plastics can be formed on the head, on the neck or on the grip area according to the multi-component injection molding process.
Claims (15)
die Ausnehmung derart ausgebildet ist, dass eine zumindest fingerbreite Griffmulde (24, 25, 26, 27, 28) durch die die Ausnehmung nach außen begrenzenden Wandungsabschnitte (39) gebildet ist.Toothbrush having an upper side (18) and an opposite lower side (19), with a head (1) on the upper side tooth cleaning elements (4) are provided with a handle (3) having a recess (31, 32, 33, 34 , 35) and having a neck (2) which connects the head (1) to the handle (3), wherein a longitudinal direction of the toothbrush extends from a free end (13) of the handle (3) to the free end (20). Of the head
the recess is designed in such a way that an at least finger-wide recessed grip (24, 25, 26, 27, 28) is formed by the wall sections (39) bounding the recess to the outside.
dadurch gekennzeichnet, dass die Griffmulde (24, 25, 26, 27, 28) zwei in Längsrichtung der Zahnbürste einander gegenüberliegend angeordnete erhabene Flanken (29, 30) aufweist.Toothbrush according to claim 1,
characterized in that the recessed grip (24, 25, 26, 27, 28) has two in the longitudinal direction of the toothbrush opposite each other arranged raised edges (29, 30).
dadurch gekennzeichnet, dass
der Abstand der Flanken-Hochpunkte (29, 30) zumindest 1 cm beträgt.Toothbrush according to claim 2,
characterized in that
the distance of the flank high points (29, 30) is at least 1 cm.
dadurch gekennzeichnet, dass zumindest vier Griffmulden (24, 25, 26, 27, 28) durch die Ausnehmungen (31, 32, 33, 34, 35) am Griff (3) ausgebildet sind.Toothbrush according to one of the preceding claims,
characterized in that at least four recessed grips (24, 25, 26, 27, 28) through the recesses (31, 32, 33, 34, 35) are formed on the handle (3).
dadurch gekennzeichnet, dass die zumindest eine Ausnehmung (31) an der Seite (19) des Griffes (3) gegenüberliegend zu der Seite (18) mit den Zahnreinigungselementen (4) angeordnet.und nur zur Unterseite (19) hin offen ist, so dass die die zumindest eine Ausnehmung begrenzenden Griffwände (36, 37, 38) im Querschnitt ein auf dem Kopf stehendes U bilden.Toothbrush according to at least one of the preceding claims,
characterized in that the at least one recess (31) is arranged on the side (19) of the handle (3) opposite the side (18) with the tooth cleaning elements (4) and open only towards the underside (19) so that the gripping walls (36, 37, 38) delimiting the at least one recess form an upside down U in cross section.
dadurch gekennzeichnet, dass
die Seitenwangen des Griffes eine Taillierung (14) bilden.Toothbrush according to at least one of the preceding claims,
characterized in that
the side cheeks of the handle form a sidecut (14).
dadurch gekennzeichnet, dass der Griff an der Oberseite (18) und an der Unterseite (19) benachbart zum Hals (2) je eine Daumenauflage (5, 24) aufweist.Toothbrush according to at least one of the preceding claims,
characterized in that the handle on the upper side (18) and on the underside (19) adjacent to the neck (2) each have a thumb rest (5, 24).
dadurch gekennzeichnet, dass die Oberseite (18) des Griffes (3) mehrere fingerbreite Vertiefungen (8, 9, 10, 11, 12) aufweist.Toothbrush according to at least one of the preceding claims,
characterized in that the upper side (18) of the handle (3) has a plurality of finger-wide recesses (8, 9, 10, 11, 12).
dadurch gekennzeichnet, dass
die Umrisslinie (23) der Unterseite des Griffes eine konkave Krümmung beschreibt.Toothbrush according to at least one of the preceding claims,
characterized in that
the outline (23) of the underside of the handle describes a concave curvature.
dadurch gekennzeichnet, dass die U-förmige Griffwand zur Oberseite (18) des Griffes (3) hin dünnere Wandstärken aufweisen als zu den Seitenwangen hin.Toothbrush according to at least one of the preceding claims,
characterized in that the U-shaped handle wall to the top (18) of the handle (3) have thinner wall thicknesses than to the side cheeks.
dadurch gekennzeichnet, dass die zumindest eine Ausnehmung (31, 32, 33, 34, 35) durch einen Hohlraum in Ellipsen form gebildet ist.Toothbrush according to at least one of the preceding claims,
characterized in that the at least one recess (31, 32, 33, 34, 35) is formed by a cavity in elliptical shape.
dadurch gekennzeichnet, dass die Schmalseite des zumindest einen elliptischen Hohlraums benachbart zu den Seitenwangen (36, 37) und die Längsseiten der Ellipsen mit den freien Enden (13, 20) der Zahnbürste ausgerichtet sind.Toothbrush according to claim 11,
characterized in that the narrow side of the at least one elliptical cavity adjacent to the side cheeks (36, 37) and the long sides of the ellipses are aligned with the free ends (13, 20) of the toothbrush.
dadurch gekennzeichnet, dass
mehrere elliptische Hohlräume durch die Ausnehmungen (31, 32, 33, 34, 35) gebildet und in Längsrichtung zueinander offen sind.Toothbrush according to claim 11 or 12,
characterized in that
a plurality of elliptical cavities formed by the recesses (31, 32, 33, 34, 35) and are open to each other in the longitudinal direction.
dadurch gekennzeichnet, dass
die Zahnbürste aus Polypropylen ausgebildet ist.Toothbrush according to at least one of the preceding claims,
characterized in that
the toothbrush is made of polypropylene.
dadurch gekennzeichnet, dass
die Zahnbürste durch ein Einkomponentenspritzgießen herstellbar ist.Toothbrush according to at least one of the preceding claims,
characterized in that
the toothbrush can be produced by one-component injection molding.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08018786A EP2181621A1 (en) | 2008-10-28 | 2008-10-28 | Toothbrush |
PCT/IB2009/054791 WO2010049901A2 (en) | 2008-10-28 | 2009-10-28 | Toothbrush |
BRPI0920835A BRPI0920835A2 (en) | 2008-10-28 | 2009-10-28 | Toothbrush |
CN2009801417211A CN102186375A (en) | 2008-10-28 | 2009-10-28 | Toothbrush |
US12/828,690 US20100263149A1 (en) | 2008-10-28 | 2010-07-01 | Toothbrush |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08018786A EP2181621A1 (en) | 2008-10-28 | 2008-10-28 | Toothbrush |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2181621A1 true EP2181621A1 (en) | 2010-05-05 |
Family
ID=40512237
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08018786A Withdrawn EP2181621A1 (en) | 2008-10-28 | 2008-10-28 | Toothbrush |
Country Status (5)
Country | Link |
---|---|
US (1) | US20100263149A1 (en) |
EP (1) | EP2181621A1 (en) |
CN (1) | CN102186375A (en) |
BR (1) | BRPI0920835A2 (en) |
WO (1) | WO2010049901A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3804560A1 (en) * | 2019-10-09 | 2021-04-14 | Trisa Holding AG | Oral hygiene agent |
Families Citing this family (37)
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WO2011034982A2 (en) * | 2009-09-17 | 2011-03-24 | Brattesani Steven J | Tooth shade indicator apparatus and method for evaluating tooth shade |
RU2514697C2 (en) * | 2009-12-18 | 2014-05-10 | Колгейт-Палмолив Компани | Device for oral care, having housing located inside handle |
USD676245S1 (en) * | 2010-03-30 | 2013-02-19 | Colgate-Palmolive Company | Oral care implement |
US8997297B2 (en) * | 2010-11-22 | 2015-04-07 | Braun Gmbh | Toothbrush |
JP2012152497A (en) * | 2011-01-28 | 2012-08-16 | Shiiai Medical:Kk | Toothbrush |
US20140230256A1 (en) * | 2013-02-20 | 2014-08-21 | The Gillette Company | Hand held device |
EP3023030B1 (en) * | 2014-11-19 | 2023-11-22 | The Gillette Company LLC | Head for an oral care implement |
EP3023028B1 (en) * | 2014-11-19 | 2023-11-15 | The Gillette Company LLC | Head for an oral care implement |
EP3023029B1 (en) * | 2014-11-19 | 2023-10-11 | The Gillette Company LLC | Head for an oral care implement |
USD780457S1 (en) | 2014-12-23 | 2017-03-07 | Colgate-Palmolive Company | Oral care implement |
CN110338553B (en) | 2014-12-23 | 2021-06-22 | 高露洁-棕榄公司 | Oral care implement having a multi-component handle |
US10743646B2 (en) | 2014-12-23 | 2020-08-18 | Colgate-Palmolive Company | Oral care implement |
US11291293B2 (en) | 2014-12-23 | 2022-04-05 | Colgate-Palmolive Company | Oral care implement |
RU2673769C1 (en) | 2014-12-23 | 2018-11-29 | Колгейт-Палмолив Компани | Oral care implement |
EP3223660B1 (en) | 2014-12-23 | 2019-08-07 | Colgate-Palmolive Company | Oral care implement |
RU2679168C2 (en) | 2014-12-23 | 2019-02-06 | Колгейт-Палмолив Компани | Oral care implement |
US10660430B2 (en) | 2014-12-23 | 2020-05-26 | Colgate-Palmolive Company | Oral care implement having multi-component handle |
AU2014414819B2 (en) | 2014-12-23 | 2018-03-15 | Colgate-Palmolive Company | Oral care implement having multi-component handle |
EP3223656B1 (en) | 2014-12-23 | 2022-06-08 | Colgate-Palmolive Company | Oral care implement |
AU2014414808B2 (en) | 2014-12-23 | 2018-04-12 | Colgate-Palmolive Company | Oral care implement |
AU2014414823B2 (en) | 2014-12-23 | 2018-04-05 | Colgate-Palmolive Company | Oral care implement |
AU364694S (en) * | 2015-03-27 | 2015-10-14 | Colgate Palmolive Co | Oral care implement |
USD762987S1 (en) * | 2015-06-30 | 2016-08-09 | Deotech Korea Co., Ltd. | Toothbrush |
US20170007013A1 (en) * | 2015-07-08 | 2017-01-12 | Marielle Pariseau | Oral hygiene instrument and method |
USD777446S1 (en) | 2015-07-23 | 2017-01-31 | Colgate-Palmolive Company | Oral care implement handle |
USD776937S1 (en) | 2015-07-23 | 2017-01-24 | Colgate-Palmolive Company | Oral care implement |
USD778062S1 (en) * | 2015-08-06 | 2017-02-07 | The Gillette Company Llc | Toothbrush |
EP3387946B1 (en) * | 2017-04-10 | 2023-05-24 | The Gillette Company LLC | Oral care implement and method for manufacturing such oral care implement |
USD882271S1 (en) | 2017-05-17 | 2020-04-28 | The Gillette Company Llc | Toothbrush head |
US10631964B2 (en) | 2017-12-12 | 2020-04-28 | Colgate-Palmolive Company | Oral care implement |
US10709533B2 (en) | 2017-12-12 | 2020-07-14 | Colgate-Palmolive Company | Oral care implement and handle and refill head thereof |
USD846883S1 (en) | 2017-12-12 | 2019-04-30 | Colgate-Palmolive Company | Handle of an oral care implement |
USD891784S1 (en) | 2018-12-18 | 2020-08-04 | Colgate-Palmolive Company | Electric toothbrush handle |
EP3827700A1 (en) * | 2019-11-27 | 2021-06-02 | Trisa Holding AG | Oral care implement |
US11350729B2 (en) * | 2019-12-03 | 2022-06-07 | Colgate-Palmolive Company | Oral care implement |
USD960582S1 (en) | 2020-12-10 | 2022-08-16 | Colgate-Palmolive Company | Oral care refill head |
US11877608B1 (en) * | 2022-12-07 | 2024-01-23 | Carl Stuckey | Hand protecting device and method |
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JP4558384B2 (en) * | 2004-06-15 | 2010-10-06 | ライオン株式会社 | toothbrush |
-
2008
- 2008-10-28 EP EP08018786A patent/EP2181621A1/en not_active Withdrawn
-
2009
- 2009-10-28 WO PCT/IB2009/054791 patent/WO2010049901A2/en active Application Filing
- 2009-10-28 BR BRPI0920835A patent/BRPI0920835A2/en not_active Application Discontinuation
- 2009-10-28 CN CN2009801417211A patent/CN102186375A/en active Pending
-
2010
- 2010-07-01 US US12/828,690 patent/US20100263149A1/en not_active Abandoned
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US5351358A (en) | 1992-08-27 | 1994-10-04 | Larrimore Babatu | Toothbrush |
US5908038A (en) | 1997-06-16 | 1999-06-01 | Chesebrough-Pond's Usa Co. | Unitarily molded toothbrush |
WO2004026162A2 (en) | 2002-09-20 | 2004-04-01 | Colgate-Palmolive Company | Toothbrush with gripping area |
EP1621105A1 (en) | 2004-07-31 | 2006-02-01 | Trisa Holding AG | Toothbrush having cavities |
WO2007025752A1 (en) | 2005-08-31 | 2007-03-08 | Glaxosmithkline Consumer Healthcare Gmbh & Co Kg | Toothbrush |
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---|---|---|---|---|
EP3804560A1 (en) * | 2019-10-09 | 2021-04-14 | Trisa Holding AG | Oral hygiene agent |
WO2021069693A3 (en) * | 2019-10-09 | 2021-07-01 | Trisa Holding Ag | Oral hygiene device |
Also Published As
Publication number | Publication date |
---|---|
US20100263149A1 (en) | 2010-10-21 |
WO2010049901A3 (en) | 2010-07-15 |
BRPI0920835A2 (en) | 2015-12-22 |
CN102186375A (en) | 2011-09-14 |
WO2010049901A2 (en) | 2010-05-06 |
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