EP0193299B1 - Brush for applying material in liquid or emulsion form - Google Patents

Brush for applying material in liquid or emulsion form Download PDF

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Publication number
EP0193299B1
EP0193299B1 EP86300810A EP86300810A EP0193299B1 EP 0193299 B1 EP0193299 B1 EP 0193299B1 EP 86300810 A EP86300810 A EP 86300810A EP 86300810 A EP86300810 A EP 86300810A EP 0193299 B1 EP0193299 B1 EP 0193299B1
Authority
EP
European Patent Office
Prior art keywords
rod
valve
container
operational
pipe
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.)
Expired
Application number
EP86300810A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0193299A1 (en
Inventor
Sasuke Endo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Priority claimed from JP60022042A external-priority patent/JPS61181405A/ja
Priority claimed from JP60092877A external-priority patent/JPS61249404A/ja
Application filed by Individual filed Critical Individual
Publication of EP0193299A1 publication Critical patent/EP0193299A1/en
Application granted granted Critical
Publication of EP0193299B1 publication Critical patent/EP0193299B1/en
Expired legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B11/00—Brushes with reservoir or other means for applying substances, e.g. paints, pastes, water
    • 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
    • A46B11/0058—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 metered dosage

Definitions

  • This invention relates to a brush for applying liquid or emulsion material, having a container for containing material such as tooth-brushing material, hair-dye, hair-growth material, hair-dressing material, paints, cleaning material, lubricating oil, etc. in liquid or emulsion form.
  • toothbrushes which contain therein tooth-brushing material in paste or emulsion form and feed the material onto their bristle-planted portions when they are used for tooth-brushing operations.
  • the material contained in their handles is extruded by extrusion members, such as a piston, or others.
  • extrusion members such as a piston, or others.
  • the operation for extruding the material is troublesome, and it is difficult to adjust the piston or others so as to extrude a necessary amount of the material.
  • a toothbrush of the type which contains a tooth-brushing material extrusion mechanism in its handle much space is not allowed for the material.
  • the toothbrush If the toothbrush is made disposable, the material runs out before its bristle-planted portion becomes unusable, and it is inevitable to make the material refillable. Additionally the sealing is not carried out perfectly between the interior of its handle and the bristle-planted portion. Accordingly there has been a case wherein the material flows back into the interior of the handle from its user's mouth during the tooth-brushing operation. As described above, the conventional toothbrushes containing tooth-brushing material have these various drawbacks.
  • a know brush for applying liquid or emulsion material is disclosed in European Patent No. 0123 518.
  • a brush for applying liquid or emulsion material comprising a handle having a container for containing material in liquid or emulsion form and a main body, a rod provided, at its head, with a great number of bristles, a piece of sponge, a piece of rubber or likewise members and a pumping mechanism provided in the handle for sucking the material from the container and feeding the sucked material to the head of the rod, a rear end of the main body of the handle being connected detachably to a mouth of the container, the root portion of the rod being inserted axially slidably into a forward bearing portion of the main body in such a manner that rotation of the rod can be avoided by a rotation-preventing-means, the rod having a material feeding passage extending from the root portion to the head thereof, the pumping mechanism being operated in accordance with axial movements of the rod at the time when the rod is pushed rearward and thereafter
  • a user uses the brush to dye his hair, he pours hair-dye on the bristles from a bottle containing the hair-dye to apply the hair-dye on his hair while rubbing his hair with the brush.
  • liquid or emulsion material such as toothpaste, hair-dye, etc.
  • a brush according to the preamble of claim 1 characterised in that the valve portion is formed substantially centrally in the axial direction of the pipe and in that a rear part of the pipe extends into the suction chamber, a part of the resilient member receiving the rear part of the pipe, therein that an operational bar is provided between the two valve bodies so as to pass through the conduit formed in the operational pipe for controlling open and close movements of the two valve bodies, and that the forward valve body has two valve plates of a circular shape whose peripheral is partially cut to form paths for passing the material and a loop portion for connecting the two valve plates with each other, the loop portion functioning as an elastic portion, the forward end of the operational bar abutting against the rear valve plate of the forward valve body to open the conduit when the rod is pushed rearward.
  • a brush 1 of this invention comprises a handle 2 and a bristle-planted rod 3 inserted in the forward end of the handle 2 slidably axially thereof, the handle 2 housing a pumping mechanism 4 for feeding material such as tooth-brushing material, hair-dye, hair-growth material, hair-dressing material, cleaning material, paints, lubricating oil, etc. in liquid or emulsion form.
  • the handle 2 comprises a combination of a main body 5 and a material container 6 for housing a liquid or emulsion material 24, connected to the handle body 5.
  • the container 6 has a male thread 6A provided in the projected peripheral surface of the forward end thereof, and the main body 5 has a female thread 5A provided in the inside peripheral surface of the rear portion thereof.
  • the body 5 and the container 6 are connected detachably to each other by the screw-engagement of the male thread 6A with the female thread 5A.
  • the bristle-planted rod 3 is formed at its head, in a flat shape of rectangular section like a common brush.
  • the bristles 7 are planted in a bristle-planted surface 3A of the head of the rod 3.
  • the rod 3 has a material passage 8 provided in the interior thereof from the rear end 3B to the bristle-planting surface 3A thereof.
  • the passage 8 opens directly on the bristle-planting surface 3A or is in communication with the planting holes of the respective bristles 7 planted in the bristle-planted surface 3A so that the material 24 can be exuded at the roots of the bristles 7.
  • the rod 3 is slidably inserted at the root portion 3B thereof into the bearing portion 9 of the body 5 so as to keep a sealing function between the root portion 3B and the inside peripherial surface of the bearing portion 9.
  • the bearing portion 9 has a slit 10 extending axially in the peripheral surface of the bearing portion 9.
  • An operational projection 11 is protruded from the outside peripheral surface of the root portion 3B of the rod 3.
  • the projection 11 is engaged slidably with the slit 10 to prevent the rot 3 from rotating about its axis.
  • a slip prevention surface 11 A which is rugged in order to prevent a thumb of a user's hand from slipping thereon.
  • the projection 11 and the slit 10 form rotation-preventing means.
  • the pumping mechanism 4 has an operational pipe 12 which is integrally provided with a valve portion 15 disposed substantially centrally in the axial direction of the pipe at the outer peripheral surface of the pipe 12.
  • the valve portion 15 has front and rear lip portions 15A and 15B, respectively.
  • the front lip portion 15A functions to prevent air and dirty water from entering and permeating into the main body 5 through the sliding portions of the bearing portion 9 while the rear lip portion 15B functions to prevent the material from leaking out.
  • the front surface of the valve portion 15 is adapted to abut against a projection 30 provided on the inner surface of the main body 5 of the handle 2 when the pipe 12 is in a normal position.
  • the front part of the pipe 12 is inserted into a hole 31 formed in the root portion 3B of the rod 3.
  • a forward valve body 19 which has a shape shown in Figs. 8 and 9.
  • the valve body 19 is made of elastic material such as synthetic resin.
  • the valve body 19 has two valve plates 19A and 19B at its front and rear ends, respectively.
  • the valve plate 19A has, in general, a circular shape whose peripheral is partially cut to form four paths 19D for passing the material.
  • Another valve plate 19B of the same shape as the plate 19A has four paths 19D.
  • the two valve plates 19A and 19B are connected to each other by a loop portion 19C mainly functioning as an elastic member.
  • the valve body 19 is accommodated in the hole 31 in a state wherein the peripheral portion of the front valve plate 19A abuts against a step 3C formed on the inner surface of the hole 31.
  • the front face of the operational pipe 12 is provided with an annular projection 12A which engages with the rear valve plate 19B.
  • the pipe 12 is provided in a connecting region of the root portion 3B of the rod 3 and the main body 5 and has a conduit 32 extending in its longitudinal direction in order to feed the material 24 from an airtight suction chamber 21 to the rod 3.
  • the suction chamber 21 is formed between the valve portion 15 of the pipe 12 and a valve seat member 16 fixed to the rear end of the body 5.
  • a ball-shaped rear valve body 20 is accommodated in the valve seat member 16.
  • the rear valve body 20 is made of steel.
  • an operational bar 22 for controlling the movement of the forward valve body 19 and the rear valve body 20.
  • the valve seat member 16 is cup-shaped and its bottom has a suction hole 18.
  • valve seat member 16 On the inner wall of the valve seat member 16 are provided a plurality of ribs 16B.
  • the ribs 16B are disposed at a predetermined distance in the circumferential direction of the valve seat member 16.
  • the ribs 16B form a space 33 for accommodating the rear valve body 20 and each rib 16B has a projection 16C, at its front end, for preventing the valve body 20 from coming out of the space 33.
  • a compression coil spring 17 for urging the pipe 12 forward is provided between the front faces of the ribs 16B and the inner side of the bell-shaped valve portion 15 such that the rear portion of the pipe 12 is received by the coil spring 17.
  • the above operational bar 22 is slender enough not to prevent the material 24 from passing through the conduit 32 of the pipe 12 and is slightly shorter than the distance between the two valve bodies 19 and 20 in a state where the valve body 19 closes the conduit 32 and the valve body 20 closes the suction hole 18 as shown in Fig. 3.
  • the container 6 is provided, at its bottom, with a piston-like movable bottom body 23 which is slidable axially inclose contact with the inner peripheral surface of the container 6.
  • the movable bottom body 23 is made of soft synthetic resin or others and has slide edges 23B and 23C which are expanded in a bell-shape respectively at the forward end and the rear end of a cylindrical portion 23A. The tight contact of the slide edges 23B and 23C with the inside peripheral wall of the container 6 ensures the airtightness so that the emulsified material or liquid material 24 filled in the container 6 may not leak therefrom.
  • a reference numeral 25 indicates a bottom plate for preventing the movable bottom body 23 from dropping off from the rear end of the container 6.
  • the bottom plate 25 is inserted into the peripheral surface of the opened rear end of the container 6.
  • the bottom plate 25 functions as a reinforcement member for preventing the deformation of the container by outside forces in order to keep the close contact of the slide edges 23B and 23C with the inside of the container 6.
  • the bottom plate 25 has, at its center, a projected bar 25A which is projected into the cylindrical portion 23D of the bottom body 23 to restrict the rearward movement of the bottom body 23.
  • the bottom plate 25 is provided with a plurality of air passages 25B for preventing air pressure in a rear space 34 defined by the bottom body 23 and the bottom plate 25 from becoming negative when the bottom plate 25 is moved forward during the use of the brush 1.
  • the handle 2 is held in one hand in the state shown in Fig. 3.
  • the bristle-planted rod 3 is pushed rearward or toward the container 6 by putting a thumb on the operational projection 11, by pushing the tip of the rod 3 with the other hand, or by pressing the tip of the rod 3 against something.
  • the rear portion of the rod 3 is pushed into the handle 2 along the bearing portion 9 as shown in Fig. 4 with the operational pipe 12 being pushed to advance in the handle main body 5.
  • valve portion 15 When the valve portion 15 is slid forward, the front lip portion 15A is forced to expand radially thereby obtaining a close contact with the inner peripheral wall of the body 5. Further, the forward valve body 9 closes the conduit 32. Accordingly, air or dirty water does not enter or permeate into the inside of the suction chamber 21 in a negative pressure condition through gaps of sliding portions of the bearing portion 9. The suction results in a negative pressure in the container 6 to cause the movable bottom body 23 to advance for a short distance in close contact with the inside peripheral wall of the container 6.
  • the rod 3 is again pushed rearward as described above. This time the forward valve body 19 opens the conduit 32 of the pipe 12 and the rear valve body 20 closes the suction hole 18 of the valve seat member 16. The material sucked in the suction chamber 21 is fed into the hole 31 and the material passage 8 of the rod 3 (Fig. 6). Thereafter, the rod 3 is freed from the push, and the material 24 in the suction chamber 21 stops flowing forward and " the material 24 in the container 6 is sucked from the container 6 into the suction chamber 21 of the body 5 (Fig. 7). Similarly as described above this suction causes the movable bottom body 23 in the container 6 to move forward in response to the sucked amount of the material 24.
  • the brush 1 When the brush 1 is initially used, this operation is repeated two or three times to fill the body 5, the conduit 32 and the material passage 8 with the material 24. After this, one push of the rod 3 feeds an amount of the material 24 suitable for one operation onto the bristle-planted surface 3A. Thus, the brush 1 is ready for use. Individually if the amount of the material 24 fed onto the surface 3A is not enough, twice- or more than twice- pushes will be given.
  • the container 6 When the material 24 in the container 6 has run out, the container 6 is unscrewed from the rear end of the body 5, a cap (not shown) screwed on a fresh container 6 at the male thread 6A thereof is disengaged, and the male thread 6A of the fresh container is engaged with the female thread 5A of the body 5. Then immediately the brush 1 can be again used continuously.
  • the opening of the material passage 8 opening on the bristle-planting surface 3A of the rod 3 may become dry during a continuous use, the whole bristles 7 may be covered with a cap 26 as shown by a phantom line in Fig. 1.
  • the operational bar 22 is provided between the forward and rear valve bodies 19 and 21 to control the open-close movements of the two valve bodies 19 and 20.
  • the bar 22 can ensure a reliable alternative movement of the two valve bodies as shown in Figs. 4 to 7. Further, if the length of the bar 22 is properly adjusted, the necessary supply of the material 24 to the surface 3A can be ensured.
  • the forward valve body 19 is an elastic valve member which can shrink and expand by itself, a special coil spring for urging a valve body toward the front opening of the pipe 12 is not necessary thereby to make the construction of a valve mechanism simple.
  • the brush 1 of this invention comprises the bristle-planted rod 3 having the operational projection 11, and by the rod being pushed toward the main body 5, it can feed a cartain amount of the material 24 onto the bristle-planted surface 3A.
  • this makes it possible to use the brush with one touch of operation.
  • one push of the rod 3 feeds a predetermined amount of the material, its users do not need to pay attention to how much the material should be squeezed for one operation as they do with the conventional operation and wasteful use of excessive material can be avoided.
  • the material 24 is fed by simply pushing the rod 3. Accordingly, when the brush is used as a toothbrush, even infants and children can use the brush 1 easily. Additionally the material container 6 is easily detached from the main body 5 and disposable, and economically the main body 5 of the brush can be used for a long time.
  • the movable bottom body 23 moves forward in response to a decrease of the material 24 in the con - tainer 6 when the rod 3 is pushed rearward to feed the material 24 toward the rod 3. This perfectly prevents air from being sucked from the outside into the material 24 in the container 6. It is desirable in terms of hygiene that the material can be fed in a perfectly sealed condition.
  • the brush 1 of this invention comprises a small number of components and can be easily fabricated.
  • a great number of fine or thick bristles for applying the material 24 on the head of the rod 3 are planted a great number of fine or thick bristles for applying the material 24.
  • a piece of sponge, a piece of rubber or a member having a convex-concave surface for applying the material 24 thereon may be attached to the head of the rod 3.

Landscapes

  • Brushes (AREA)
  • Pens And Brushes (AREA)
  • Medicinal Preparation (AREA)
EP86300810A 1985-02-08 1986-02-06 Brush for applying material in liquid or emulsion form Expired EP0193299B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP60022042A JPS61181405A (ja) 1985-02-08 1985-02-08 歯ブラシ
JP22042/85 1985-02-08
JP60092877A JPS61249404A (ja) 1985-04-30 1985-04-30 薬液塗布器
JP92877/85 1985-04-30

Publications (2)

Publication Number Publication Date
EP0193299A1 EP0193299A1 (en) 1986-09-03
EP0193299B1 true EP0193299B1 (en) 1989-11-29

Family

ID=26359203

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86300810A Expired EP0193299B1 (en) 1985-02-08 1986-02-06 Brush for applying material in liquid or emulsion form

Country Status (10)

Country Link
EP (1) EP0193299B1 (zh)
KR (1) KR880001673B1 (zh)
CN (1) CN1012935B (zh)
AU (1) AU588276B2 (zh)
BR (1) BR8600525A (zh)
DE (1) DE3667132D1 (zh)
DK (1) DK160735C (zh)
FI (1) FI84013C (zh)
NO (1) NO860392L (zh)
NZ (1) NZ215055A (zh)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2194728A (en) * 1985-12-23 1988-03-16 Gary Martin Foy Handpump mouthwash/toothbrush unit
EP0290873A3 (en) * 1987-05-13 1989-10-04 Kao Corporation Toothbrush
FR2629322B1 (fr) * 1988-03-29 1992-01-03 Morin Philippe Brosse a dents a reservoir de pate incorpore
NL8900170A (nl) * 1989-01-24 1990-08-16 Douwe Egberts Tabaksfab Doseerhouder.
FR2734695B1 (fr) * 1995-05-29 1997-08-14 Martin Joseph Assemblage compact : brosse a dents + dentifrice liquide
US5871297A (en) * 1997-04-03 1999-02-16 Rogers; Thomas L. Fluid dispenser
JP4726308B2 (ja) 2001-02-16 2011-07-20 三菱鉛筆株式会社 液状体塗布具
US8444416B2 (en) * 2005-04-26 2013-05-21 Braun Gmbh Valves for personal care devices
US7648085B2 (en) 2006-02-22 2010-01-19 Rain Bird Corporation Drip emitter
DE102009014446B4 (de) * 2009-03-23 2013-12-12 Gilltec Gmbh Auftrageinstrument für Dentalmassen und Auftrageeinheit
KR101347047B1 (ko) * 2012-04-23 2014-01-10 주식회사 장유산업 과경 도포기용 솔
WO2014119977A1 (en) * 2013-02-04 2014-08-07 BURBO, Aleksandrs Toothbrush with toothpaste container and dosing trigger
CN105433585A (zh) * 2015-11-24 2016-03-30 无锡普瑞腾传动机械有限公司 一种涂装线自清洁毛刷组件
CN105433588A (zh) * 2015-11-24 2016-03-30 无锡普瑞腾传动机械有限公司 一种涂装线自清洁毛刷
CN106388242B (zh) * 2016-10-13 2018-10-19 广州铁路职业技术学院 一体式牙刷

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3248022A (en) * 1963-06-21 1966-04-26 Valve Corp Of America Atomizer pump
US4082223A (en) * 1975-12-06 1978-04-04 Yoshino Kogyosho Co., Ltd. Trigger type spraying device
DE3467690D1 (en) * 1983-04-20 1988-01-07 Sasuke Endo Toothbrush

Also Published As

Publication number Publication date
FI84013C (fi) 1991-10-10
AU588276B2 (en) 1989-09-14
NZ215055A (en) 1987-03-06
DE3667132D1 (de) 1990-01-04
CN1012935B (zh) 1991-06-26
NO860392L (no) 1986-08-11
DK160735C (da) 1991-09-30
KR880001673B1 (ko) 1988-09-06
FI860495A0 (fi) 1986-02-03
AU5332086A (en) 1986-08-14
KR860006236A (ko) 1986-09-09
EP0193299A1 (en) 1986-09-03
FI84013B (fi) 1991-06-28
BR8600525A (pt) 1986-10-21
CN86101240A (zh) 1986-08-13
DK160735B (da) 1991-04-15
FI860495A (fi) 1986-08-09
DK61186D0 (da) 1986-02-07
DK61186A (da) 1986-08-09

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