WO2011054354A1 - Brosse - Google Patents

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Publication number
WO2011054354A1
WO2011054354A1 PCT/DE2010/075122 DE2010075122W WO2011054354A1 WO 2011054354 A1 WO2011054354 A1 WO 2011054354A1 DE 2010075122 W DE2010075122 W DE 2010075122W WO 2011054354 A1 WO2011054354 A1 WO 2011054354A1
Authority
WO
WIPO (PCT)
Prior art keywords
brush
reservoir
piston
handle
channel
Prior art date
Application number
PCT/DE2010/075122
Other languages
German (de)
English (en)
Other versions
WO2011054354A8 (fr
Inventor
Lutz Karrenberg
André BUHR
Original Assignee
Lutz Karrenberg
Buhr Andre
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lutz Karrenberg, Buhr Andre filed Critical Lutz Karrenberg
Publication of WO2011054354A1 publication Critical patent/WO2011054354A1/fr
Publication of WO2011054354A8 publication Critical patent/WO2011054354A8/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
    • A46B11/001—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water with integral reservoirs
    • A46B11/0013—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water with integral reservoirs dispensing by gravity or by shaking
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
    • A46B11/0003—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water containing only one dose of substance, e.g. single-use toothbrushes
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
    • A46B11/001—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water with integral reservoirs
    • A46B11/002—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water with integral reservoirs pressurised at moment of use manually or by powered means
    • A46B11/0024—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water with integral reservoirs pressurised at moment of use manually or by powered means with a permanently displaceable pressurising member that remain in position unless actuated, e.g. lead-screw or ratchet mechanisms, toothpaste tube twisting or rolling devices
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
    • A46B11/0072—Details
    • A46B11/0079—Arrangements for preventing undesired leakage or dispensing
    • 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
    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B2200/00—Brushes characterized by their functions, uses or applications
    • A46B2200/20—Brushes for applying products to surfaces in general

Definitions

  • the invention relates to a brush comprising a) a brush head with bristles, a handle with a cavity, c) a piston which is movable in the cavity, a reservoir with paste-like, fluid and / or pulverförmi content, e) a channel which from the reservoir to the brush head and having an outlet opening on the brush head.
  • a brush consists of a base made of wood, metal or plastic, the top of which forms the back of the brush, a brush stocking with corresponding bristles of natural fiber, synthetic fiber, abrasive bristle-penetrated synthetic bristle or metal wire and a handle or a jig.
  • the household brushes are mainly used for cleaning.
  • the brushes are designed differently depending on their application.
  • brushes are also used in the field of physical hygiene, e.g. Used for facial cleansing or brushing. Disposables are playing an increasingly important role as people's mobility increases and they often have to change places of residence for personal or professional reasons. With this change, they are less and less ready to accept compromises in their personal hygiene. Especially when traveling, people do not have unlimited space for their hygiene products. Furthermore, it is easily possible due to the rapid mobility changes that individual utensils or accessories for personal care will be forgotten. Some care and cleaning articles, such as the toothbrush, only work in conjunction with other utensils, such as toothbrushes. the toothpaste, useful. Neither the toothpaste nor the brush alone can be effectively used to clean the teeth.
  • the body consists of flexible bristles, a piston and an elongated chamber filled with a dentifrice. At the end of the chamber a lateral opening is provided, through which the chamber is connected to the flexible bristles. By pushing the piston, the dentifrice is pressed into the area of the bristles.
  • the utility model DE 20 2009 002 104 U1 discloses a travel toothbrush, with a reservoir designed as a handle for dentifrices and a toothbrush style with a bristle area.
  • a flow channel for receiving the dentifrice is formed.
  • a ball which is biased by a spring. The ball closes an outlet hole in the toothed bristle area.
  • the dentifrice passes through the flow channel to the ball, presses it against the spring and thus releases the outlet opening.
  • the dentifrice reaches the bristles. If the pressure on the reservoir is reduced, the spring pushes the ball back against the outlet and the supply of dentifrice to the bristles is interrupted.
  • the utility model G 88 03 338.4 deals with a toothbrush, consisting of a bristle part and designed as a handle container space for toothpaste.
  • the toothbrush is also equipped with a protective cap that fulfills two functions.
  • the protective device on the bristle part, the bristles of the toothbrush protected, on the other hand accidental leakage of toothpaste is prevented by a tube-shaped sleeve in the interior of the Protective device is arranged so that a precise expulsion of the toothpaste is achieved by outlet openings in the bristle area.
  • Toothpaste should come in the form of cartridges used. With the toothbrush, the toothbrush head and insert cartridge are interchangeable at any time.
  • the toothpaste is transported into the brush head with pressure of a cylinder on the insert cartridge. The toothpaste is transported through a passageway to the brush head and exits below the bristles.
  • a problem with such brushes is that when the piston penetrates into the reservoir an overpressure arises. This overpressure may push the paste or liquid from the reservoir in the wrong direction, laterally past the piston or cylinder.
  • the known brushes also have the disadvantage that they are expensive to manufacture and cumbersome to handle.
  • the object of the invention is therefore to avoid the disadvantages of the prior art and to provide a brush with reservoir in which the paste or liquid is not pushed past the side of the piston when the piston of the brush is actuated. It is another object of the invention to provide a brush that is simple in construction and inexpensive to produce. Furthermore, they should be easy to handle and meet the hygienic requirements, the contents of the reservoir does not spoil, for example, by drying out.
  • the invention is based on the principle that the contents of the reservoir, which is arranged as a closed container in the handle, is completed. Destruction, such as drying, of the contents contained therein is thus prevented.
  • the piston which is movably guided in a cavity of the handle, the reservoir opens on two sides.
  • a first opening is first opened one after the other, and a second opening of the storage container is opened during the further advance.
  • the contents for example paste or liquid
  • the second opening of the piston is moved, which pushes the contents of the reservoir from the reservoir out into a channel. The contents are then pushed through the channel to the brush head.
  • a sealing means is provided in the handle for detecting a use of the brush.
  • This measure serves to prevent the brush from being used several times. Especially in the hygienic field, it is necessary to obtain a perfect brush, such as a toothbrush.
  • a suitable sealant is provided.
  • this attachment means consists of a projection on the piston, which projects through an opening of the handle, wherein for actuation of the piston, the projection must be broken.
  • the projection preferably has at least one predetermined breaking point.
  • Another advantage of the invention is that the user always has his own brush with the appropriate content through the combination brush and closed reservoir. For example, when traveling or at the hotel, he does not have to do without his dental care because the brush is quick and easy to use. Even for people with disabilities, who can use, for example, only one hand or one arm, the use of the brush according to the invention is easy and uncomplicated. The user only has to operate the piston with one hand to empty the contents to the brush head. The cleaning process can then begin immediately and without further delay. Conventional brushes with reservoir, often have a cumbersome mechanism for applying the cream on the bristles, which is in most cases only perform with two hands.
  • the reservoir may have pasty, fluid or powdered content.
  • the brush may be used as a toothbrush when the reservoir is filled with toothpaste. If the contents of the reservoir of shoe polish, the brush can also be provided for cleaning shoes. Depending on the detergent so a universal use of the brush is conceivable.
  • the handle consists of a hand and a neck part, wherein the reservoir is arranged in the neck part. This arrangement is particularly advantageous because the handle can be ergonomically shaped and allows a comfortable grip of the brush by the user. An ergonomic design of the handle, as can be found in commercially available toothbrushes without reservoir, is not readily possible in the previously known brushes with reservoir.
  • the reservoir is located in the neck and can be designed differently depending on the size.
  • the piston has a punch for emptying the reservoir.
  • the stamp may be formed in its expression so that it is equal to or smaller than the piston.
  • the stamp may be formed so that it is pushed through the reservoir and thus empties the contents through the channel to the brush head.
  • the stamp but also compress the reservoir and thereby emptying the content to the bristles.
  • the reservoir has a predetermined breaking point in the region of the channel for opening. This has the great advantage that, when the piston is actuated, the plunger empties the reservoir without much effort by the user.
  • the predetermined breaking point can also be arranged at several points of the reservoir.
  • the reservoir on a film can be very thin and flexible. As a result, the reservoir is particularly easy. Furthermore, the film of the ergonomics of the brush can adapt well, so that the reservoir, depending on the configuration of the brush, can take different forms. The film breaks, bursts or is cut when the piston exerts pressure on the reservoir. The content is then released.
  • opening means for opening the storage container are present.
  • the opening means may be arranged on the channel and consist for example of a concave cutting ring.
  • the punch presses the reservoir to the cutting ring. This causes an opening of the reservoir and the stamp then emptied the contents of the reservoir through the channel to the brush head.
  • the opening means can also be additionally arranged on the stamp. The reservoir is then opened by both the opening means on the channel, as well as the punch. The user then requires even less force to open the reservoir.
  • locking means are provided for dosing for the piston.
  • the latching means are formed for example as latching lugs on the piston and engage in recesses on the handle.
  • the latching means may be designed so that a latching takes place only in one direction. For a spontaneous and not wanted by the user emptying the reservoir is excluded.
  • the locking means may for example also be arranged so that the contents of the reservoir when moving the locking means is completely discharged from an initial position to an end position. After use, the brush is then disposed of or recycled.
  • the piston has a screw mechanism with handle.
  • the screw mechanism consists of a rotating device and a disc, which is located on a thread. By rotating the rotating device to rotate the disk, the contents of the reservoir are pressed into the channel, so that the contents emptied to the brush head.
  • the amount of leaking content can be very finely adjusted by the number of turns.
  • the reservoir consists of two separate storage sections. This is particularly beneficial when the brush is needed several times. It can be used with each use of the brush a stock section.
  • the reservoir can also consist of several storage sections. The number of storage sections can correlate with the number of locking means on the piston.
  • the individual stock from sections can also be used for merging substances, such as in a two-component adhesive.
  • an advantageous embodiment of the invention is that the cavity and / or the piston have an electronics.
  • an electronics that indicates the length of the cleaning process in the form of a sound, a light or vibration, is very popular.
  • the duration of the cleaning process can already be fixed or manually set by the user.
  • the channel has a valve at the outlet opening.
  • the valve may be in the form of a ball or by another shut-off unit.
  • the valve has the great advantage that the contents of the reservoir can not dry out when the brush is used several times.
  • the storage container and / or the bristles are exchangeable.
  • the reservoir for example is designed as a cartridge.
  • the cartridge can be provided with different cleaning agents, so that the user only has to insert the respective cartridge into the brush, depending on the area of application of the brush. It is also conceivable that a brush set is offered with appropriate cleaning cartridges that allows the user a universal use of the brush.
  • the brush heads may be different in size, in length and thickness of the bristles or in the nature of the bristles. Depending on the area of application of the brush, the user can select the respective bristle and combine it with the corresponding cartridge and the respective content. If necessary, for example, a sponge or a felt-like body can also be used instead of the brush. Further embodiments and advantages will become apparent from the subject of the dependent claims, as well as the drawings with the accompanying descriptions.
  • Fig. 1 shows a schematic schematic diagram of a cross section of a
  • Brush according to the invention in a first detent position before use.
  • Fig. 2 shows a schematic schematic diagram of a top view of the brush in the first detent position.
  • Fig. 3 shows in a three-dimensional schematic diagram of the brush in the first
  • Fig. 4 shows a schematic schematic diagram of a cross section of the brush in a second detent position in use.
  • Fig. 5 shows a schematic schematic diagram of a top view of the brush in the second detent position.
  • Fig. 6 shows in a three-dimensional schematic diagram of the brush in the second
  • Fig. 7 shows a reservoir
  • Fig. 8 shows a cross section through the reservoir.
  • Fig. 9 shows a brush head.
  • Fig. 10 shows another brush head. shows in a schematic outline sketch in a first section a toothbrush. shows in a three-dimensional representation of the brush head without bristles of the toothbrush according to Figure 11.
  • FIG. 13 shows the toothbrush according to FIG. 11 in a second section.
  • FIG. 14 shows schematically in a three-dimensional representation a piston, as used in a toothbrush according to the invention according to FIG. 11.
  • FIG. 15 shows an enlarged detail of FIG. 14, which shows the approach of FIG.
  • FIG. 16 shows schematically in section a toothbrush according to FIG. 11 in the unused state.
  • Fig. 17 shows schematically in section a toothbrush according to Figure 16 in the used
  • Fig. 18 shows schematically an enlarged detail for an unused
  • Fig. 19 shows schematically an enlarged detail for a used
  • FIG. 1 shows a schematic diagram of a brush 10 according to the invention.
  • the brush 10 consists of a brush head 12 with bristles 14 and a handle 16.
  • the handle 16 is subdivided into a handpiece 28 and a neckpiece 30.
  • the handle 16 has a cavity 18 in which a piston 20 is movably guided up to a stop 34.
  • the piston 20 has locking means 38, which are formed for example as a flexible latching lugs and engage in recesses 39 of the handle 16.
  • the recesses 39 are needed in this embodiment for a first detent position 40 and second detent 42.
  • the piston 20 has a punch 32 at one end. At its other end, the piston 20 has a widening 46.
  • the first detent position 40 is a rest position in which the brush 10 is not used.
  • the second detent 42 is a working position.
  • the piston 20 was actuated to use the brush 10 (see Fig. 4-6).
  • a reservoir 22 is arranged, which is located in a channel 24.
  • the channel 24 is interrupted by opening means 36, for example a cutting ring.
  • Outlet openings 26 provide a connection between channel 24 and Bristles 14 ago.
  • opening means 36 may also be arranged on the punch 32.
  • the reservoir 22 may be provided so that it consists of a film having at one or both ends, which form openings 54, predetermined breaking points.
  • the reservoir 22 may be an integral part of the channel 24, which is closed for example only with a film at an inlet and an outlet opening (not shown here).
  • the reservoir 22 may be present in the form of a replaceable cartridge in the brush 10. The cartridge can also be used with disposable brushes.
  • Fig. 2 shows the brush 10 in a plan view. Corresponding components of Fig. 1 are denoted by the same reference numerals. It can be clearly seen that the bristles 14 have a tab 44, which makes it possible to arrest the bristles 14. Again, as in Fig. 1, the locking means 38 are mounted in the first detent position 40. The first detent position 40 prevents a spontaneous release of the contents of the reservoir 22.
  • the broadening 46 at the end of the piston 20 may be ergonomically shaped depending on the design.
  • Fig. 3 shows in a three-dimensional schematic diagram of the brush 10 in the first detent position 40, obliquely from one side. Corresponding components of Fig. 1 and 2 are therefore also designated here with the same reference numerals. Particularly clearly, the locking positions 40, 42 of the brush 10 can be seen.
  • the flexible locking lugs are designed so that they prevent slipping back of the piston 20.
  • the brush head 12 has a cutout 48, which receives the bristles 14.
  • In the neck portion 30 of the handle 16 of the reservoir 22 is arranged. 4 shows the piston 20 of the brush 10 in the second detent position 42.
  • corresponding components of Fig. 1, 2 and 3 are denoted by the same reference numerals.
  • the locking means 38 fix the piston in the second detent position 42.
  • the punch 32 is thereby pushed completely through the reservoir 22 and the contents of the Reservoir 22 thereby completely emptied.
  • the broadening 46 on the piston terminates flush with the handle 16.
  • FIG. 5 shows the same detent position 42 of the brush 10 in a plan view.
  • the locking lugs 38 designed as detent lugs are located in the second detent position 42.
  • the piston 20 is located in the second detent position 42 on stop 34th
  • Fig. 6 shows the brush 10 in the second detent position 42, wherein the three-dimensional representation clearly shows how the punch 32 is pushed through the reservoir 22.
  • the reservoir 22 is formed for example as a cartridge and thereby takes the punch 32 completely.
  • the reservoir 22 is formed, for example, as a tube with welded openings 54.
  • the openings 54 may also be closed with thin film.
  • the reservoir 22 may also consist as a whole of foil.
  • 8 shows in a schematic schematic diagram a cross section of the reservoir 22.
  • the reservoir 22 consists of a shell 50, which may be formed, for example, as a film or in the form of a cartridge made of plastic.
  • the openings 54 are e.g. closed with foil.
  • the contents 52 of the storage container 22 may be liquid, paste-like or gel-like, fluid, powdery.
  • FIGS. 9 and 10 show examples of bristles 14, such as may be present as replacement bristles in the brush 10.
  • the bristles 14 have at their end a tab 44 to allow easy replacement or removal of the bristle from the brush 10.
  • the bristles 14 may be, for example, natural bristles, plastic bristles which consist of a bundling of individual bristles or bristles of injection molding.
  • the arrangement and number of bristles 14 may vary depending on the application. So can softer bristles 14 for Cleaning sensitive surfaces can be used. Harder bristles 14, on the other hand, are suitable for rough and less sensitive surfaces.
  • the flexible locking lugs of the locking means 38 are pressed against the inside of the handle 16 and the piston 20 is pushed by the first detent position 40 in the direction of the second detent position 42.
  • the punch 32 presses against the reservoir 22, the closure in this embodiment as a cartridge with double-sided film is formed.
  • the reservoir 22 is thereby pushed against the opening means 36.
  • the opening means 36 open the end of the reservoir 22.
  • the plunger 32 empties the contents of the reservoir 22 in the channel 24 to the brush head 12. Through the outlet openings 26 of the contents reaches the bristles 14. Further pushing the punch 32 in the direction brush head 12th until the second detent position 42, effected a complete emptying of the reservoir 22.
  • the piston 20 is then at the stop 34th
  • the brush 10 according to the invention has the great advantage that it consists of only a few components, so that only small costs are incurred in their production. Also wear parts and complicated components are not present in the brush 10. Due to the variability of the reservoir 22 and the bristles 14, the brush 10 is universally applicable. The contents of the reservoir may be filled, for example, with products from the medical, pharmaceutical or cosmetic sector.
  • the brush 10 may be offered in airplanes or hotels, wherever people only have a limited amount of time.
  • the brush 10 can also be installed in vending machines for purchase.
  • the brush 10 may also be offered as a home improvement set with storage containers of various contents and different bristles.
  • the brush 10 for example, as a disposable, find their use. If the individual components of the brush consist of plastic, the brush is completely recyclable without any effort.
  • An embodiment of a fiction, contemporary brush 10 is shown in Fig. 11 in section.
  • the brush 10 is a toothbrush 110.
  • the bristles are omitted for the sake of clarity.
  • the toothbrush 110 consists of a grip part 112, a neck part 114 and a brush head 116.
  • the grip part 112 is formed as a cylindrical housing 118.
  • the neck portion 114 has a cartridge receptacle 120.
  • the cartridge receptacle 120 is formed as a cavity 122 in the neck portion 114 of the toothbrush 110.
  • the housing 118 of the handle portion 112 of the toothbrush 110 receives a piston 124.
  • the piston 124 is slidably provided in the grip part 112. Before the piston 124 is a cartridge 126, which serves as a reservoir.
  • the cartridge 126 is located in the cartridge receptacle 120.
  • the brush head 116 is located adjacent to the neck portion 114. If the brush head 116 is not integrally formed with the neck portion 114 of the brush head 116 can also be attached to the neck portion 114, glued or screwed.
  • the brush head 116 is partially hollow.
  • a channel 128 passes through the brush head 116 and terminates at one end as a wedge-shaped cutting tube 130.
  • This wedge-shaped cutting tube 130 protrudes as an opening means in the cartridge receptacle 120.
  • the channel 128 is not visible in the present figure.
  • the other end of the channel 128 opens into at least one or more outlet openings 132.
  • the piston 124 has on its end face 134 via a punch 136, which serves to empty the cartridge 126.
  • the stamper 136 is designed so that it can completely penetrate the cartridge 126 when the piston 124 is actuated.
  • the piston 124 further includes a projection 138.
  • This projection 138 is arranged so that the piston 124 can not be pushed into the grip part 112 without breaking the projection 138.
  • the protrusion 138 serves as a kind of sealing means to ensure that the cartridge 126 is not accidentally damaged by pushing the piston 124 into the grip part 112. Only by breaking off this projection 138 can the piston 124 be moved in the desired direction in the grip part 112.
  • the projection 138 is therefore provided with a predetermined breaking point on the piston 124.
  • the brush head 116 of the toothbrush 110 can be seen.
  • the brush head 116 consists essentially of a body body 140, a tubular connection part 142 and a bristle surface 144. Again, bristles are not shown here on the bristle surface 144 for the sake of clarity.
  • the outlet openings 132 of the channel 128 are clearly visible.
  • the outlet openings 132 have different diameters. By this measure it is achieved that the content of the cartridge 126 is distributed uniformly on the brush surface 144.
  • the outlet openings 132 become progressively larger in order to obtain a uniform distribution.
  • the body body 140 is hollow in that the channel 128 can be made.
  • the channel 128 ends, as can be clearly seen here, in the wedge-shaped cutting tube 130.
  • the wedge-shaped cutting tube 130 is thereby guided into the cartridge receptacle 120, as shown in the illustration of FIG.
  • FIG. 13 a further section through the toothbrush 110, as shown schematically in FIG. 11, is shown.
  • the same components are therefore designated by corresponding reference numerals.
  • the channel 128 to the outlet openings 132 can be seen particularly clearly.
  • Fig. 14 the piston 124 of the toothbrush 110, as shown in Figure 11, 12 and 13 is shown in whole or in part, shown.
  • the piston 124 has on one side an ergonomic push button 146. With this ergonomic push button 146, the piston 124 can be pushed into the cylindrical housing 118 of the handle portion 112 after the projection 138 has been removed.
  • the piston 124 has a bead-shaped or wedge-shaped thickening 148 on two opposite sides.
  • This wedge-shaped thickening 148 is a component of the opening mechanism 36.
  • This wedge-shaped thickening 148 has the function of pressing the cartridge 116 in a first step against the wedge-shaped cutting tube 130 when the piston 124 is actuated.
  • the wedge-shaped cutting tube 130 then cuts through a front protective film 150.
  • the bead or wedge-shaped thickening 138 of the punch 136 a little on the edge of the cartridge 126, so that the punch 136 can penetrate into the cartridge 126 in a second step.
  • FIG. 15 shows an enlarged detail of FIG. 14. The detail better illustrates the mode of operation of the bead-shaped or wedge-shaped thickening 148.
  • the bead-shaped or wedge-shaped thickening 148 ensures that the entire cartridge 126 is in a first step against the wedge-shaped cutting tube 130 is pressed upon actuation of the piston 124. Only when the cartridge 126 in the cartridge receptacle 120 can no longer be pushed, the resistance, which is formed by the bead or wedge-shaped thickening 148, can be overcome. In that case, the bead-shaped or wedge-shaped thickening 148 widens the cartridge 126 and the stamp 136 can finally penetrate into the cartridge 126 in a second step. In this case, the contents of the cartridge 126 are pushed into the channel 128 to the outlet openings 132. outlet opening
  • FIGS. 16 and 17 the two possible states of the toothbrush 110, namely unused or used in section, are shown.
  • the operation of the brush 10 according to the invention can be explained once again with reference to the embodiment of the toothbrush 110.
  • FIG. 16 shows the toothbrush 110 unused.
  • the cartridge 126 is located in the cartridge receptacle 120.
  • the plunger 136 of the plunger 124 abuts directly against the rear foil of the cartridge 126.
  • the projection 138 is located on the piston 124 and prevents the piston 124 can be pushed into the housing 118 of the handle portion 112.
  • the projection 138 is located above a recess 154 of the piston 124, see Figures 18 and 19.
  • the projection 138 is attached with two webs 156, 158 above the recess 154 corresponding to the enlarged FIG.
  • the webs 146 and 158 have predetermined breaking point 160. If the toothbrush 110 is to be used and the contents of the cartridge 126 are to come into the brush area of the brush head 116, then the projection 138 must first be pressed into the recess 154.
  • the predetermined breaking points 160 of the webs 156 and 158 calculate so that the projection disappears in the recess, as can be seen in the enlargement of Figure 19. This projection 138 acts as a seal 162 to guarantee that the toothbrush 110 is unused.
  • the toothbrush 110 can be used. Then, the piston 124 can be pushed into the housing 118 of the handle part 112. Due to the bead-shaped or wedge-shaped thickening 148, the cartridge 126 is first pressed against the wedge-shaped cutting tube 130, which cuts through the front foil 150 of the cartridge 126. Thereafter, the resistance that the bead or wedge-shaped thickenings 148 form is overcome and the punch 136 can penetrate into the cartridge 126. The contents of the cartridge 126 are pushed into the channel 128 of the brush head 116, as shown in FIG. The contents of the cartridge 126 are finally forced through the outlet openings 132.

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  • Brushes (AREA)

Abstract

Brosse (10) comprenant une tête de brosse (12) dotée de poils (14), un manche (16) doté d'une cavité (18), un piston (20) guidé mobile dans la cavité (18), un réservoir (22) renfermant un fluide pâteux et/ou un contenu pulvérulent, un canal (24) s'étendant du réservoir (22) jusqu'à la tête de brosse (12); la tête de brosse (12) présentant un orifice de sortie (26). Le réservoir (22) est disposé sous la forme d'un contenant fermé dans le manche (16) en amont d'un piston (20). Le réservoir (22) s'ouvre par commande du piston (20) et, par le canal (24), vide le contenu en direction de la tête de brosse (12).
PCT/DE2010/075122 2009-11-05 2010-11-05 Brosse WO2011054354A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202009015065.8 2009-11-05
DE200920015065 DE202009015065U1 (de) 2009-11-05 2009-11-05 Bürste

Publications (2)

Publication Number Publication Date
WO2011054354A1 true WO2011054354A1 (fr) 2011-05-12
WO2011054354A8 WO2011054354A8 (fr) 2012-03-08

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Application Number Title Priority Date Filing Date
PCT/DE2010/075122 WO2011054354A1 (fr) 2009-11-05 2010-11-05 Brosse

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WO (1) WO2011054354A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016121652A1 (de) * 2016-11-11 2018-05-17 Khg Plastics Gmbh Bürste

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4826341A (en) * 1987-09-28 1989-05-02 Kyu Ho Kwak Valve means for toothbrush containing toothpaste dispenser therein
US5039244A (en) * 1990-03-14 1991-08-13 Shuchao Cheng Toothbrush and toothpaste system
GB2301277A (en) * 1995-04-18 1996-12-04 Frank Stewart Burgess Reservoir toothbrush
GB2304553A (en) * 1995-09-06 1997-03-26 Verne Bilson Reservoir toothbrush
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DE202009002104U1 (de) 2009-02-13 2009-04-23 Streicher, Stefan Reisezahnbürste mit Zahncremespender

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DE202004016457U1 (de) 2004-10-25 2005-02-17 Janke, Gerhard Zahnbürste mit Einsatzpatrone und Dosierangabe
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