EP3172986A1 - Brosse à dent comprenant des éléments de nettoyage des dents disposés en boucle fermée - Google Patents
Brosse à dent comprenant des éléments de nettoyage des dents disposés en boucle fermée Download PDFInfo
- Publication number
- EP3172986A1 EP3172986A1 EP16192176.2A EP16192176A EP3172986A1 EP 3172986 A1 EP3172986 A1 EP 3172986A1 EP 16192176 A EP16192176 A EP 16192176A EP 3172986 A1 EP3172986 A1 EP 3172986A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- par
- row
- elliptical wall
- cleaning elements
- 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
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 207
- 238000011321 prophylaxis Methods 0.000 description 28
- 239000000551 dentifrice Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000007704 transition Effects 0.000 description 7
- 230000001680 brushing effect Effects 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 239000012528 membrane Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 210000004872 soft tissue Anatomy 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000013536 elastomeric material Substances 0.000 description 3
- 239000000806 elastomer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229920005570 flexible polymer Polymers 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920005996 polystyrene-poly(ethylene-butylene)-polystyrene Polymers 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 239000000606 toothpaste Substances 0.000 description 1
- 229940034610 toothpaste Drugs 0.000 description 1
- 238000009732 tufting Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A46—BRUSHWARE
- A46B—BRUSHES
- A46B9/00—Arrangements of the bristles in the brush body
-
- 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
- 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
- A46B9/025—Position or arrangement of bristles in relation to surface of the brush body, e.g. inclined, in rows, in groups the bristles or the tufts being arranged in an angled position relative to each other
-
- 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
- A46B9/028—Bristle profile, the end of the bristle defining a surface other than a single plane or deviating from a simple geometric form, e.g. cylinder, sphere or cone
-
- 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 generally to ansate oral care implements, and specifically to toothbrushes, either manual or powered, that have a handle and a head having cleaning elements for oral cleaning.
- a toothbrush is used to clean the teeth by removing plaque and debris from the tooth surfaces.
- Conventional toothbrushes provided with a flat bristle trim are limited in their ability to conform to the curvature of the teeth, to penetrate into the interproximal areas between the teeth, to sweep away the plaque and debris, and to clean along the gum line. Additionally, such toothbrushes have a limited ability to retain dentifrice for cleaning the teeth.
- the dentifrice typically slips through the tufts of bristles and away from the contact between the bristles and the teeth. As a result, the dentifrice is often spread around the mouth, rather than being concentrated on the contact of the bristles with the teeth. Therefore, the efficiency of the cleaning process is reduced.
- toothbrushes were developed having two or three circular brush sections which are arranged within holders that may be screwed into mating receptacles in the tooth brush handle so that they can be removed and replaced as needed.
- Each brush section contains stiff cleaning elements and is spaced from the other along the longitudinal axis of the handle at a distance less than the thickness of a tooth so that the brush operates on both the lingual (inside) and facial (outside) surfaces of the teeth.
- Another existing toothbrush includes a head containing a flexible, rubber-like prophylaxis polishing cup or "prophy cup” similar to that used by dental personnel to professionally clean teeth.
- This prophy cup is loaded with toothpaste by the user and applied to the teeth.
- the "soft rubber-like prophy cup device follows the contours of teeth more effectively than bristles.”
- a ring of cleaning elements (“bristle tufts") are placed about the periphery of the toothbrush head which co-act with the prophy cups to clean the user's teeth and gums.
- elastomeric prophy cups and bristle tufts have become more common as a way of improving cleaning efficiency and maintaining the dentifrice in place during brushing.
- One example of the combined use and strategic arrangement of elastomeric prophy cups and bristle tufts is a toothbrush having a head portion comprising a plurality of inner loops formed by elastomeric walls. The central inner loop is surrounded by outer loops formed of bristles. A central cleaning element, formed as a bristle tuft, is located within the elastomeric inner loop.
- a toothbrush having a head portion comprising a plurality of soft elastomer prophy cups surrounded by bristle rings.
- a toothbrush exists wherein the centralized prophy cups are formed by groups of densely packed cleaning elements that are surrounded by bristle rings.
- the bristle rings in this toothbrush are also disclosed as having one or more tufts at an inclination.
- the invention can be a toothbrush comprising: a handle: a head connected to the handle, the head having a proximal periphery, a distal periphery, a first surface, a longitudinal axis and a lateral axis; a first set of cleaning elements forming a loop that extends from the distal periphery of the head to the proximal periphery of the head, the first set of cleaning elements comprising: a first par-elliptical wall of cleaning elements located at the distal periphery of the head, the first par-elliptical wall terminating in a first end and a second end; a second par-elliptical wall of cleaning elements located at the proximal periphery of the head, the second par-elliptical wall terminating in a first end and a second end; a first row of cleaning elements extending from the first end of the first par-elliptical wall to the first end of the second par-elliptical wall; and
- the invention can be a toothbrush comprising: a handle: a head connected to the handle, the head having a proximal periphery, a distal periphery, a first surface and a longitudinal axis; a first set of cleaning elements forming a loop that extends from the distal periphery of the head to the proximal periphery of the head, the first set of cleaning elements comprising: a first par-elliptical wall of cleaning elements located at the distal periphery of the head, the first par-elliptical wall terminating in a first end and a second end; a second par-elliptical wall of cleaning elements located at the proximal periphery of the head, the second par-elliptical wall terminating in a first end and a second end; a first row of cleaning elements extending from the first end of the first par-elliptical wall to the first end of the second par-elliptical wall; and a second row of cleaning elements
- the invention can be a toothbrush comprising: a handle: a head connected to the handle, the head having a proximal periphery, a distal periphery, a first surface and a longitudinal axis; a first set of cleaning elements forming a loop that extends from the distal periphery of the head to the proximal periphery of the head, the first set of cleaning elements comprising: a first par-elliptical wall of cleaning elements located at the distal periphery of the head, the first par-elliptical wall terminating in a first end and a second end; a second par-elliptical wall of cleaning elements located at the proximal periphery of the head, the second par-elliptical wall terminating in a first end and a second end; a first arcuate row of cleaning elements extending from the first end of the first par-elliptical wall to the first end of the second par-elliptical wall; and a second ar
- the invention can be a toothbrush comprising: a handle: a head connected to the handle, the head having a proximal periphery, a distal periphery, a first surface and a longitudinal axis; a first set of cleaning elements forming a loop that extends from the distal periphery of the head to the proximal periphery of the head, the first set of cleaning elements comprising: a first par-elliptical wall of cleaning elements located at the distal periphery of the head, the first par-elliptical wall terminating in a first end and a second end; a second par-elliptical wall of cleaning elements located at the proximal periphery of the head, the second par-elliptical wall terminating in a first end and a second end; a first row of cleaning elements extending from the first end of the first par-elliptical wall to the first end of the second par-elliptical wall; and a second row of cleaning elements
- the invention can be a toothbrush comprising: a handle: a head connected to the handle, the head having a proximal periphery, a distal periphery, a first surface and a longitudinal axis; a first set of cleaning elements forming a loop that extends from the distal periphery of the head to the proximal periphery of the head; and wherein a top surface of the loop has a longitudinal side profile comprising a concave section that extends from a peak at a distal-most point of the loop to a transition point at a middle-portion of the loop, and a convex section that extends from the transition point to a proximal-most point of the second par-elliptical wall.
- the invention is discussed in terms of a manual toothbrush incorporating the subject arrangement of cleaning elements.
- the invention could be in the form of other oral care implements including a soft-tissue cleansing implement, a powered toothbrush, or other ansate implement designed for oral care.
- the toothbrush 100 generally comprises a handle 110 and a head 120.
- the handle 110 provides the user with a mechanism by which he/she can readily grip and manipulate the toothbrush 100.
- the handle 110 is generically illustrated and may be formed of many different shapes, sizes, materials and a variety of manufacturing methods that are well-known to those skilled in the art. If desired, the handle 110 may include a suitable textured grip (not shown) made of elastomeric material or can be a multi-part construction. Stated simply, the details of the handle 110 are not limiting of the present invention and, thus, require no further discussion for purposes of the present invention.
- the toothbrush 100 extends from a proximal end 112 to a distal end 113 along a longitudinal axis A-A (illustrated in FIG. 2 ).
- the head 120 is operably connected to the handle 110.
- the head 120 and handle 110 of the toothbrush are preferably formed as a single unitary structure using a molding, milling, machining or other suitable process.
- the handle 110 and head 120 may be formed as separate components which are operably connected at a later stage of the manufacturing process by any suitable technique known in the art, including without limitation thermal welding, a tight-fit assembly, a coupling sleeve, adhesion, or fasteners.
- the head 120 and handle 110 arc of a unitary or multi-piece construction (including connection techniques) is not limiting of the present invention.
- the head 120 generally comprises a front surface 121 and a rear surface 122.
- the front surface 121 and the rear surface 122 of the head 120 can take on a wide variety of shapes and contours, none of which are limiting of the present invention.
- the front and rear surfaces 121, 122 can be planar, contoured or combinations thereof.
- the rear surface 122 may also comprise additional structures for oral cleaning, such as a soft tissue cleanser.
- a soft tissue cleanser is disclosed in U.S. Patent 7,143,462, issued December 5, 2006 to the assignee of the present application, the entirety of which is hereby incorporated by reference.
- the head 120 is normally widened relative to the neck 111 of the handle 110, it could in some constructions simply be a continuous extension or narrowing of the handle 110.
- the head 120 also comprises a distal periphery 124, a first lateral periphery 125, a second later periphery 126, and a proximal periphery 127.
- the distal periphery 124, the first lateral periphery 125 and the second later periphery 126 are bound by a peripheral side surface 123 of the head 120.
- the proximal periphery 127 is defined where the head 120 transitions into the neck 111.
- a collection 130 of cleaning elements are provided on the front surface of the head 120 for cleaning contact with an oral surface, preferably teeth. While the collection 130 of cleaning elements is particularly suited for brushing teeth, the collection 130 of cleaning elements can also be used to clean oral soft tissue, such as a tongue, gums, or cheeks instead of or in addition to teeth. As used herein, the term "cleaning element" is used in a generic sense to refer to any structure that can be used to clean or massage an oral surface through relative surface contact.
- cleaning elements include, without limitation, filament bristles, fiber bristles, nylon bristles, spiral bristles, rubber bristles, elastomeric protrusions, flexible polymer protrusions, co-extruded filaments, flag bristles, crimped bristles, anti-bacterial bristles and combinations thereof and/or structures containing such materials or combinations.
- the collection 130 of cleaning elements of the present invention can be connected to the head 120 in any manner known in the art.
- anchor free tufting AFT
- AFT anchor free tufting
- a plate or membrane is secured to the brush head such as by ultrasonic welding.
- the bristles (or other elastomeric elements) extend through the plate or membrane.
- the free ends of the bristles on one side of the plate or membrane perform the cleaning function.
- the ends of the bristles on the other side of the plate or membrane are melted together by heat to be anchored in place.
- Any suitable form of cleaning elements may be used in the broad practice of this invention.
- the bristles could be mounted to tuft blocks or sections by extending through suitable openings in the tuft blocks so that the base of the bristles is mounted within or below the tuft block.
- the head 120 of the toothbrush comprises a longitudinal axis A-A and a lateral axis C-C.
- the collection 130 of cleaning elements comprises a first set 140 of cleaning elements, a second set 150 of cleaning elements, a third set 160 of cleaning elements, and a plurality of prophylaxis cups 171-173.
- the first set 140 of cleaning elements generally comprises a distal par-elliptical wall 141 of cleaning elements, two arcuate rows 142-143 of cleaning elements, and a proximal par-elliptical wall 144.
- the distal par-elliptical wall 141 is formed by the cleaning elements 141a-b.
- the proximal par-elliptical wall 144 is formed by the cleaning elements 144a-d.
- the first arcuate row 142 is formed by cleaning elements 142a-c while the second arcuate row 143 is formed by cleaning elements 143a-c.
- the second set 150 of cleaning elements are arranged in a row along the lateral periphery 125 of the head 120.
- the third set 160 of cleaning elements are arranged in a row along the lateral periphery 126 of the head 120.
- the row formed by the first set 150 of cleaning elements comprises cleaning elements 150a-e while the row formed by the second set 160 of cleaning elements comprises cleaning elements 160a-e.
- all of the cleaning elements of the distal par-elliptical wall 141, the two arcuate rows 142-143, and the proximal par-elliptical wall 144 are formed by densely packed bristles.
- the invention is not so limited and one, a few, or all of these cleaning elements can be formed of another material, such as an elastomer, etc.
- each of the distal par-elliptical wall 141, the two arcuate rows 142-143, and the proximal par-elliptical wall 144 can be formed by more or less cleaning elements than the illustrated embodiment.
- the distal par-elliptical wall 141, the two arcuate rows 142-143, and the proximal par-elliptical wall 144 be formed as a single cleaning element wall.
- the prophylaxis cup 171 is formed by three arcuate elastomeric wall sections 171a-c.
- the prophylaxis cup 173 is formed by three arcuate elastomeric wall sections 172a-c.
- the central prophylaxis cup 172 is formed by two arcuate elastomeric wall sections 172a-b.
- each of the prophylaxis cups 171-173 can be constructed by more or less sections than the illustrated embodiment and can be constructed of other materials, such as densely packed bristles. Suitable elastomeric materials include any biocompatible resilient material suitable for uses in an oral hygiene apparatus.
- the elastomeric material preferably has a hardness property in the range of A10 to A40 Shore hardness, and preferably A25 Shore hardness.
- One preferred elastomeric material is styrene-ethylene/butylene-styrene block copolymer (SEBS) manufactured by GLS Corporation. Nevertheless, SEBS material from other manufacturers or other materials within and outside the noted hardness range could be used.
- All of the prophylaxis cups 171-173 are arranged within a loop, which is preferably a substantially closed loop, formed by the first set of cleaning elements 140 (which will be discussed in greater detail below).
- the prophylaxis cups 171-173 are also arranged along the longitudinal axis A-A of the head.
- the prophylaxis cup 172 is also located on the lateral axis C-C of the head 120.
- the prophylaxis cup 171 is located within the distal par-elliptical wall 141 and the prophylaxis cup 173 is located within the proximal par-elliptical wall 144.
- the prophylaxis cup 172 is centrally located between the two arcuate rows 142-143.
- An elongated central cleaning element 181-183 is located within each of the prophylaxis cups 171-173 and extends upward from the first surface 121 of the head 120 in a substantially normal manner.
- the central cleaning element 181 is located within the prophylaxis cup 171 and extends along a central axis X-X of the prophylaxis cup 171.
- the central cleaning element 182 is located within the prophylaxis cup 172 and extends along a central axis Y - Y of the prophylaxis cup 172.
- the central cleaning element 183 is located within the prophylaxis cup 173 and extends along a central axis Z-Z of the prophylaxis cup 173.
- Each of the elongated cleaning elements 181-183 is preferably taller than its respective prophylaxis cup 171-173 and extends above its top surface.
- Each of the elongated central cleaning elements 181-183 terminate in a cleaning end that is preferably a cone-like tip.
- the central cleaning elements 181-183 are preferably densely packed bristle tufts but can be elastomeric fingers if desired. In some embodiments of the invention, the elongated cleaning elements 181-183 may be omitted all together.
- a first pair of elongated cleaning elements 191a-b is also located within the substantially closed loop formed by the first set 140 of cleaning elements.
- the first pair of elongated cleaning elements 191a-b is located between the first prophylaxis cup 171 and the second prophylaxis cup 172.
- a second pair of elongated cleaning elements 192a-b is located within the substantially closed loop formed by the first set 140 of cleaning elements.
- the second pair of elongated cleaning elements 192a-b is located between the second prophylaxis cup 172 and the second prophylaxis cup 173
- the distal par-elliptical wall 141 of cleaning elements, the two arcuate rows 142-143 of cleaning elements, and the proximal par-elliptical wall 144 form a substantially closed-loop that extends from the distal periphery 124 of the head 120 to the proximal periphery 127 of the head 120.
- the substantially closed-loop formed by the distal par-elliptical wall 141 of cleaning elements, the two arcuate rows 142-143 of cleaning elements, and the proximal par-elliptical wall 144 is also symmetrically located along the longitudinal axis A-A of the head 120. As best visible in FIG. 7 , the substantially closed-loop resembles a racetrack in shape. Of course, other shapes can be utilized in certain alternative embodiments.
- the distal par-elliptical wall 141 circumferentially extends from a first end 241a to a second end 241b.
- the distal par-elliptical wall 141 circumferentially extends at least 180 degrees, and in the illustrated embodiment extends about 180 degrees.
- the proximal par-elliptical wall 144 circumferentially extends from a first end 244a to a second end 244b.
- the proximal par-elliptical wall 144 circumferentially extends at least 180 degrees, and in the illustrated embodiment extends about 180 degrees.
- the first arcuate row 142 extends from the first end 241a of the distal par-elliptical wall 141 to the first end 244a of the proximal par-elliptical wall 144.
- the second arcuate row 143 extends from the second end 241b of the distal par-elliptical wall 141 to the second end 244a of the proximal par-elliptical wall 144.
- the first and second arcuate rows 142, 143 are arranged on the head 120 so as to be symmetrically located about both the longitudinal axis A-A and the lateral axis C-C of the head.
- the first and second arcuate rows 142, 143 are separated by a distance D that increases with distance from the lateral axis C-C.
- the arcuate rows 142, 143 are arranged so that their convex peripheral surfaces oppose one another.
- the third and second sets 150, 160 of cleaning elements are arranged in rows along the first and second lateral peripheries 125, 126 of the head 120 respectively.
- the cleaning elements 160a-e extend from the first surface 121 of the head 120 at a non-normal angle ⁇ so that the cleaning elements 160a-e extend from the first surface 121 of the head 120 so as to diverge from the second row 143 of cleaning elements (which preferably extend from the first surface 121 at a substantially normal angle).
- the cleaning elements 150a-e extend from the first surface 121 of the head 120 at a non-normal angle ⁇ so that the cleaning elements 150a-e extend from the first surface 121 of the head 120 so as to diverge from the first row 142 of cleaning elements (which preferably extend from the first surface 121 at a substantially normal angle).
- the angle ⁇ is in the range of 1 to 15 degrees, and most preferably 4 degrees.
- a longitudinal channel 165 is formed between the third set 160 of cleaning elements 160a-e and the third row 143 of cleaning elements 143a-c.
- a longitudinal channel 155 is formed between the second set 150 of cleaning elements 150a-e and the second row 142 of cleaning elements 142a-c.
- the longitudinal channels 155, 165 provides a cavity for receiving and retaining dentifrice during oral care.
- the cleaning elements 160a-e of the third set 160 terminate in cleaning ends 161a-e.
- the cleaning ends 161a-e are preferably tapered so as to form a longitudinal edge 162 along the row formed by the third set 160 of cleaning elements 160a-e.
- the cleaning elements 150a-e of the second set 150 terminate in cleaning ends 151a-e.
- the cleaning ends 151a-e are preferably tapered so as to form a second longitudinal edge 152 along the row formed by the third set 150 of cleaning elements 150a-e.
- the tapered and inclined nature of the second and third rows 150, 160 of cleaning elements 150a-e, 160a-e not only affords increased cleaning of the teeth along the gum line during brushing but also provides a means by which to direct dentifrice into those areas.
- the second and third sets 150, 160 of cleaning elements 150a-e, 160a-e are taller than the second and third rows 142, 143 of cleaning elements 142-c, 143a-c respectively. Stated another way, the second and third sets 150, 160 of cleaning elements 150a-e, 160a-e have a height that is greater than the height of the second and third rows 142, 143 of cleaning elements 142-c, 143a-c respectively. As used herein, a height is the normal distance from the first surface 121 of the head 120 to the uppermost portion of the subject element.
- the prophylaxis cup 171 is located within the distal par-elliptical wall 141 and the prophylaxis cup 173 is located within the proximal par-elliptical wall 144.
- an annular channel 195 exists between the prophylaxis cup 171 and the distal par-elliptical wall 141.
- an annular channel 196 exists between the prophylaxis cup 173 and the proximal par-elliptical wall 144.
- These annular channels 195,196 provide cavities for receiving and further retaining dentifrice during oral care.
- the distal-most portion of the first par-elliptical wall 141 extends upward from the first surface 121 of the head 120 in an inclined manner at an angle ⁇ away from the handle 110.
- the angle ⁇ is in the range of 1 to 15 degrees, and most preferably 4 degrees.
- the proximal-most portion of the second par-elliptical wall 144 extends upward from the first surface 121 of the head 120 in an inclined manner at an angle ⁇ toward the handle 110.
- the angle ⁇ is in the range of 1 to 15 degrees, and most preferably 4 degrees.
- FIG. 10 illustrates a simplified longitudinal side profile of the top surface of the substantially closed-loop formed by distal par-elliptical wall 141, the two arcuate rows 142-143, and the proximal par-elliptical wall 144.
- the top surface 149 has a lateral side profile comprising a concave section 40 that extends from a peak P at a distal-most point of the distal par-elliptical wall 141 to a transition point T at a middle-portion of the two arcuate rows 142-143.
- the lateral side profile also comprises a convex section 50 that extends from the transition point T to a proximal-most point F of the second par-elliptical wall 144.
- the longitudinal side profile is essentially a stretched out S-shape.
- the first par-elliptical wall 141 has a first height H1 at the first and second ends 241a,b and a peak height HP at the location where the first par-elliptical wall 144 intersects (or hypothetically would intersect) the longitudinal axis A-A
- the first par-elliptical wall 144 slopes upward from the first height H1 to the peak height HP moving from the first and second ends 241a,b to the location P where the first par-elliptical wall intersects the longitudinal axis A-A.
- the height of the first and second rows 142, 143 slopes downward for first a portion until a height H2 is reached.
- the height of the first and second rows 142, 143 then slopes upward for a second portion until a height H3 is reached.
- the second par-elliptical wall 144 preferably has a height that is greater than the height H2 and less than the peak height HP.
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- Geometry (AREA)
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Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16192176.2A EP3172986B1 (fr) | 2009-12-18 | 2009-12-18 | Brosse à dent comprenant des éléments de nettoyage des dents disposés en boucle fermée |
EP18191588.5A EP3430942B1 (fr) | 2009-12-18 | 2009-12-18 | Brosse à dent comprenant des éléments de nettoyage des dents disposés en boucle fermée |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16192176.2A EP3172986B1 (fr) | 2009-12-18 | 2009-12-18 | Brosse à dent comprenant des éléments de nettoyage des dents disposés en boucle fermée |
PCT/US2009/068647 WO2011084116A1 (fr) | 2009-12-18 | 2009-12-18 | Brosse à dents à aménagement d'éléments de nettoyage en boucle fermée |
EP09795872.2A EP2512289B8 (fr) | 2009-12-18 | 2009-12-18 | Brosse à dent comprenant des éléments de nettoyage des dents disposés en boucle fermée |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09795872.2A Division-Into EP2512289B8 (fr) | 2009-12-18 | 2009-12-18 | Brosse à dent comprenant des éléments de nettoyage des dents disposés en boucle fermée |
EP09795872.2A Division EP2512289B8 (fr) | 2009-12-18 | 2009-12-18 | Brosse à dent comprenant des éléments de nettoyage des dents disposés en boucle fermée |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18191588.5A Division-Into EP3430942B1 (fr) | 2009-12-18 | 2009-12-18 | Brosse à dent comprenant des éléments de nettoyage des dents disposés en boucle fermée |
EP18191588.5A Division EP3430942B1 (fr) | 2009-12-18 | 2009-12-18 | Brosse à dent comprenant des éléments de nettoyage des dents disposés en boucle fermée |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3172986A1 true EP3172986A1 (fr) | 2017-05-31 |
EP3172986B1 EP3172986B1 (fr) | 2018-10-24 |
Family
ID=42352413
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18191588.5A Active EP3430942B1 (fr) | 2009-12-18 | 2009-12-18 | Brosse à dent comprenant des éléments de nettoyage des dents disposés en boucle fermée |
EP09795872.2A Not-in-force EP2512289B8 (fr) | 2009-12-18 | 2009-12-18 | Brosse à dent comprenant des éléments de nettoyage des dents disposés en boucle fermée |
EP16192176.2A Active EP3172986B1 (fr) | 2009-12-18 | 2009-12-18 | Brosse à dent comprenant des éléments de nettoyage des dents disposés en boucle fermée |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18191588.5A Active EP3430942B1 (fr) | 2009-12-18 | 2009-12-18 | Brosse à dent comprenant des éléments de nettoyage des dents disposés en boucle fermée |
EP09795872.2A Not-in-force EP2512289B8 (fr) | 2009-12-18 | 2009-12-18 | Brosse à dent comprenant des éléments de nettoyage des dents disposés en boucle fermée |
Country Status (9)
Country | Link |
---|---|
EP (3) | EP3430942B1 (fr) |
KR (1) | KR101441773B1 (fr) |
CN (1) | CN102933114B (fr) |
AU (1) | AU2009357643B2 (fr) |
BR (1) | BR112012014742B1 (fr) |
CA (2) | CA2919870C (fr) |
MX (1) | MX362091B (fr) |
RU (1) | RU2533089C2 (fr) |
WO (1) | WO2011084116A1 (fr) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD675830S1 (en) | 2009-12-18 | 2013-02-12 | Colgate-Palmolive Company | Toothbrush |
KR200473943Y1 (ko) * | 2012-11-30 | 2014-08-11 | (주)아모레퍼시픽 | 원형패턴 사다리꼴모다발과 원호패턴 사다리꼴모다발의 식모구조를 갖는 칫솔 |
USD749855S1 (en) | 2013-11-05 | 2016-02-23 | Colgate-Palmolive Company | Oral care implement |
US10039370B2 (en) | 2013-11-05 | 2018-08-07 | Colgate-Palmolive Company | Oral care implement |
USD751295S1 (en) | 2013-11-05 | 2016-03-15 | Colgate-Palmolive Company | Oral care implement |
RU2016121454A (ru) | 2013-11-05 | 2017-12-11 | Колгейт-Палмолив Компани | Приспособление для ухода за полостью рта |
WO2015069219A1 (fr) | 2013-11-05 | 2015-05-14 | Colgate-Palmolive Company | Accessoire pour soins buccaux |
USD764804S1 (en) | 2013-11-05 | 2016-08-30 | Colgate-Palmolive Company | Oral care implement |
KR101590244B1 (ko) * | 2014-01-15 | 2016-01-29 | 박상숙 | 칫솔 및 칫솔의 제조 방법 |
EP3223656B1 (fr) * | 2014-12-23 | 2022-06-08 | Colgate-Palmolive Company | Instrument de soin buccal |
WO2019119344A1 (fr) * | 2017-12-21 | 2019-06-27 | World Wide Daily Holdings Company Limited | Brosse à dents |
CN304701695S (fr) | 2017-12-21 | 2018-06-29 | ||
USD898370S1 (en) | 2018-10-09 | 2020-10-13 | World Wide Daily Holdings Company Limited | Toothbrush |
USD898369S1 (en) | 2018-10-09 | 2020-10-13 | World Wide Daily Holdings Company Limited | Toothbrush |
USD897684S1 (en) | 2018-10-09 | 2020-10-06 | World Wide Daily Holdings Company Limited | Toothbrush |
USD897685S1 (en) | 2018-11-16 | 2020-10-06 | World Wide Daily Holdings Company Limited | Toothbrush |
USD898371S1 (en) | 2018-11-16 | 2020-10-13 | World Wide Daily Holdings Company Limited | Toothbrush |
USD897686S1 (en) | 2018-12-14 | 2020-10-06 | World Wide Daily Holdings Company Limited | Toothbrush |
USD927191S1 (en) | 2018-12-14 | 2021-08-10 | World Wide Daily Holdings Company Limited | Toothbrush |
USD897687S1 (en) | 2018-12-14 | 2020-10-06 | World Wide Daily Holdings Company Limited | Toothbrush |
USD898372S1 (en) | 2019-01-10 | 2020-10-13 | World Wide Daily Holdings Company Limited | Toothbrush |
USD906687S1 (en) | 2019-01-10 | 2021-01-05 | World Wide Daily Holdings Company Limited | Toothbrush |
WO2020191518A1 (fr) * | 2019-03-22 | 2020-10-01 | Colgate-Palmolive Company | Instrument de soins buccaux |
EP3858187A1 (fr) * | 2020-01-30 | 2021-08-04 | Gallmetzer, Dietrich | Brosse à dents |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0449655A1 (fr) * | 1990-03-29 | 1991-10-02 | Colgate-Palmolive Company | Brosse à dents |
US20030229959A1 (en) * | 1999-06-11 | 2003-12-18 | Gavney James A. | Multi-directional wiping elements and device using the same |
WO2004026162A2 (fr) * | 2002-09-20 | 2004-04-01 | Colgate-Palmolive Company | Brosse a dent avec zone prehension |
US20050000048A1 (en) * | 2002-09-20 | 2005-01-06 | Colgate-Palmolive Company | Toothbrush |
US7143462B2 (en) | 2002-09-20 | 2006-12-05 | Colgate-Palmolive Company | Oral care implement |
US20080086827A1 (en) * | 2005-10-24 | 2008-04-17 | Kenneth Waguespack | Oral care implement having one or more moving sections |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20020004964A1 (en) * | 1999-12-15 | 2002-01-17 | Luchino Thomas Patrick | Toothbrush with individually embedded bristles |
JP2002325632A (ja) * | 2001-04-27 | 2002-11-12 | Lion Corp | 歯ブラシ |
US20040255416A1 (en) * | 2003-06-20 | 2004-12-23 | Hohlbein Douglas J. | Toothbrush with tongue cleaning member |
US7845042B2 (en) * | 2002-08-09 | 2010-12-07 | Colgate-Palmolive Company | Oral care implement |
KR101082686B1 (ko) * | 2002-08-27 | 2011-11-15 | 콜게이트-파아므올리브캄파니 | 칫솔 |
KR100577105B1 (ko) * | 2004-03-16 | 2006-05-08 | 주식회사 베스트화성 | 기능성 칫솔 |
US8056176B2 (en) * | 2007-01-25 | 2011-11-15 | The Procter & Gamble Company | Toothbrushes |
JP2008302164A (ja) * | 2007-06-05 | 2008-12-18 | Hiroyuki Kubo | S字歯ブラシ |
JP5160955B2 (ja) * | 2008-05-16 | 2013-03-13 | 花王株式会社 | 歯ブラシ |
CN102946758B (zh) * | 2009-12-10 | 2016-07-06 | 博朗有限公司 | 牙刷 |
-
2009
- 2009-12-18 MX MX2012006220A patent/MX362091B/es active IP Right Grant
- 2009-12-18 RU RU2012130387/12A patent/RU2533089C2/ru active
- 2009-12-18 CA CA2919870A patent/CA2919870C/fr active Active
- 2009-12-18 CA CA2781695A patent/CA2781695C/fr active Active
- 2009-12-18 KR KR1020127018896A patent/KR101441773B1/ko not_active IP Right Cessation
- 2009-12-18 AU AU2009357643A patent/AU2009357643B2/en not_active Ceased
- 2009-12-18 EP EP18191588.5A patent/EP3430942B1/fr active Active
- 2009-12-18 BR BR112012014742-0A patent/BR112012014742B1/pt active IP Right Grant
- 2009-12-18 EP EP09795872.2A patent/EP2512289B8/fr not_active Not-in-force
- 2009-12-18 EP EP16192176.2A patent/EP3172986B1/fr active Active
- 2009-12-18 WO PCT/US2009/068647 patent/WO2011084116A1/fr active Application Filing
- 2009-12-18 CN CN200980163026.5A patent/CN102933114B/zh active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0449655A1 (fr) * | 1990-03-29 | 1991-10-02 | Colgate-Palmolive Company | Brosse à dents |
US20030229959A1 (en) * | 1999-06-11 | 2003-12-18 | Gavney James A. | Multi-directional wiping elements and device using the same |
WO2004026162A2 (fr) * | 2002-09-20 | 2004-04-01 | Colgate-Palmolive Company | Brosse a dent avec zone prehension |
US20050000048A1 (en) * | 2002-09-20 | 2005-01-06 | Colgate-Palmolive Company | Toothbrush |
US7143462B2 (en) | 2002-09-20 | 2006-12-05 | Colgate-Palmolive Company | Oral care implement |
US20080086827A1 (en) * | 2005-10-24 | 2008-04-17 | Kenneth Waguespack | Oral care implement having one or more moving sections |
Also Published As
Publication number | Publication date |
---|---|
AU2009357643B2 (en) | 2014-02-27 |
CA2781695C (fr) | 2016-04-19 |
EP2512289A1 (fr) | 2012-10-24 |
BR112012014742B1 (pt) | 2020-10-13 |
KR101441773B1 (ko) | 2014-09-17 |
EP2512289B8 (fr) | 2017-01-11 |
CA2919870C (fr) | 2019-09-17 |
EP3172986B1 (fr) | 2018-10-24 |
CA2919870A1 (fr) | 2011-07-14 |
EP3430942B1 (fr) | 2021-06-23 |
CN102933114B (zh) | 2016-05-25 |
WO2011084116A1 (fr) | 2011-07-14 |
MX2012006220A (es) | 2012-07-03 |
RU2012130387A (ru) | 2014-01-27 |
EP3430942A1 (fr) | 2019-01-23 |
RU2533089C2 (ru) | 2014-11-20 |
MX362091B (es) | 2019-01-07 |
AU2009357643A1 (en) | 2012-06-07 |
BR112012014742A2 (pt) | 2016-04-05 |
CN102933114A (zh) | 2013-02-13 |
EP2512289B1 (fr) | 2016-11-16 |
KR20120084344A (ko) | 2012-07-27 |
CA2781695A1 (fr) | 2011-07-14 |
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