CA1115468A - Tooth-brush - Google Patents
Tooth-brushInfo
- Publication number
- CA1115468A CA1115468A CA312,926A CA312926A CA1115468A CA 1115468 A CA1115468 A CA 1115468A CA 312926 A CA312926 A CA 312926A CA 1115468 A CA1115468 A CA 1115468A
- Authority
- CA
- Canada
- Prior art keywords
- opening
- dispensing
- bristle
- handle
- holder 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.)
- Expired
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- Coating Apparatus (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
Dispenser-container brush for paste material, comprising:
a) a stem or handle having a flexible wall, internally hollow reservoir portion, an intermediate zone provided with means for the engagement of a bristle holder head member; and a substantially rigid elongated portion, said elongated portion having a dispensing opening for the paste material;
b) a substantially rigid bristle holder head member, having a bristle arrangement on an outer side or face and comprising an inner cavity of shape and size substantially corresponding to those of said elongated handle portion: a portion for engagement in said means on the intermediate handle portion, and a dispensing hole for the paste material in the face or side provided with said bristles, the position of said dispensing hole being such that the hole can be brought in register with said dispensing opening in the handle.
Dispenser-container brush for paste material, comprising:
a) a stem or handle having a flexible wall, internally hollow reservoir portion, an intermediate zone provided with means for the engagement of a bristle holder head member; and a substantially rigid elongated portion, said elongated portion having a dispensing opening for the paste material;
b) a substantially rigid bristle holder head member, having a bristle arrangement on an outer side or face and comprising an inner cavity of shape and size substantially corresponding to those of said elongated handle portion: a portion for engagement in said means on the intermediate handle portion, and a dispensing hole for the paste material in the face or side provided with said bristles, the position of said dispensing hole being such that the hole can be brought in register with said dispensing opening in the handle.
Description
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This application is concerned with brushes, particularly tooth-brushes, made to include a tooth paste reservoir, the tooth paste being dispensable on bristles as required.
Such brushes as hitherto used have not met a favourable commercial acceptance because of suffering from many disadvantages. As a matter of fact, known brushes of this type are either cumbersome and unhandy, or costly to manufacture, or paste dispensing does not occur in a metered and reliable manner, so that the hands get dirty with paste, or again do not present sufficient hygienics allowances.
10. It is the object of the present application to provide a brush, or tooth-brush, for overcoming the aforesaid disadvantages. Such a brush comprises a flexible container-like handle or stem, adjacent-one end having an opening for dispensing the paste material therein contained; and an internally hollow bristle holder head member for fitting to an end of said handle or stem, and at the bristle base provided with a paste material dispensing hole.
This container handle or stem may be of refillable type with new paste material, or not refillable or disposable type.
Particularly, it is the object of the present application to provide a brush assembly, of a type comprising a paste material containing and dispensing handle, characterized by comprising:
a) a stem or handle having a flexible wall, internally hollow reservoir portion; and intermediate zone with means for engaging a bristle holder head member; and a substantially rigid elongated portion, said elongated portion having a paste material dispensing opening;
b) a substantially rigid bristle holder head member, having a bristle arrangement on an outer face and including an inner cavity of shape and size substantially corresponding to those of said elongated portion of the handle; a portion for engagement in said means on the intermediate portion of the handle, and a paste material dispensing hole in the bristle-fitted face, the position of said dispensing hole being such that the hole can be made to correspond with said dispensing opening in the handle.
. ~.,; .
S4fi~3 According to an embodiment, this dispensing hole can be made to correspond with the dispensing opening through a rotary movement, and according to a further embodiment, the movement for causing said hole to coincide with said opening is a translatory movement.
According to another feature of the present application, a tube housing is provided for the brush, and is of a size suitable for pressure holding thereon.
A brush according to this application is functional, easy to use, completely hygienical and relatively inexpensive.
10. It should be noted that, although the description is related to a tooth-brush and tooth paste, it will be appreciated that by slight modifications a brush according to the present invention could be used for other purposes such as, for example, shoe shining, and the paste material could be another material such as, for example, a semi-liquid shoe polish.
Some preferred embodiment of the subject of the present applica-tion will now be described with reference to the accompanying drawings, in which:
Fig 1 is an exploded, partly sectional view of an embodiment for a brush according to the present application;
20. Fig. 2 is a fragmentary sectional view of a tube housing for the brush;
Fig. 3 is a view similar to that of Fig. 2 with the brush inserted in the housing and part of the bristles therein removed to show the paste dispensing hole;
Fig. 4 is an exploded, partly sectional view of the handle or stem loading end;
Fig. 5 is a cut away view of a tooth paste tube inserted in a handle for reloading;
Fig. 6 is an exploded view of a second type of brush, 30. Fig. 7 is a fragmentary view of the brush shown in Fig. 6 at assembled condition; and Figs. 8 and 9 show a closing or sealing system for the container handle in a disposable non-rechargeable type of brush.
As shown in Fig. 1, a brush comprises a stem or handle designated at 1 and a hristle holder head member designated at 2. This stem includes a handgrip portion 3, which is of frusto-conical configuration in the figure and is internally hollow for providing the tooth paste reservoir.
Said reservoir forming portion 3 is comparatively flexible for the paste .. . . .
. . . ; .
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material to be squeezed out, but should be sufficiently rigid to avoid e~cess bending in use. Said wall may be made of plastics material and possibly long;tudinally ribbed. At one end, or that end corresponding to the major base of the truncated cone in the figure, said reservoir portion 3 has an opening (not shown) for the introduction of the paste material, this opening being closed by a cover system 4 to be described in the following.
Thus, at the opposite side of the reservoir to the plug, the stem has an externally threaded zone 5, and there beyond an elongated internally 10. hollow portion 6, which communicates with the reservoir. Preferably, said portion 6 is frusto-conical and tapers to the farthermost end from the reservoir. Adjacent to such an end and on the conical skirt an opening 7 is provided, communicating the internal hollow with the outside. Preferably, a further opening 8 is provided at a location spaced apart from said opening 7 to thread 5. Along the circumference joining threaded zone 5 and elongated portion 6 a shoulder 9 is preferably provided. The entire stem 1 may be integrally formed, for example of plastics material, or said elongated portion 6 may be made of a more rigid material and joined or connected to portions 3 and 5 20. Bristle holder head member 2 may be of any external shape and on at least one face or side 11 carries a bristle arrangement 12. Internally, said head member 2 has a cavity 13 exactly corresponding as to shape and ; size`to the shape and size of said elongated stem portion 6. At itsconnection location to the stem, head member 2 has an internal thread 14 for meshing with thread 5 on the stem, and between thread zone 14 and cavity 13 a shoulder 15 is provided. On the bristle carrying side or face 11, a through hole 16 (also shown in Fig. 3) is provided and communicates said cavity 13 with the outside. ;^
The cover system 4 for the container handle may be of any known .
30. type. However, the preferred system (Fig. 4) comprises a thread 30 on the r handle end, generally an lnner thread, a cap 31 formed with a thread 32 mating with thread 30, and provided with an outer skirt 33, suitable to arrange about the end of handle 3, and a threaded hole 34 for accomodating the neck of a tooth paste tube for recharging, a plug 36 for closing said threaded hole 34 and preferably carrying means 37 for brush hooking at suspended position.
Skirt 33 perform~ the function of stiffening the wall of handle 3, .
;4fifl when said cap 31 is screwed on or unscrewed from thread 30.
The brush is filled up with paste material by inserting (Fig. 5) the mouth or inlet of a tooth paste tube 40 in said threaded hole 34 of cap 31 applied to handle 3. During this operation, the bristle holder head mRmber is preferably moved away from the stem to allow for air vent through vent opening 8. Then, tube 40 is removed, and the loading hole is closed by plug 36, and the bristle holder head portion is screwed down with thread 14 on thread 5. Thus, the elongated handle portion 6 is fully accomodated withln cavity 13, and vent hole 8 is closed by the wall 10. thereof. The interengagement between said shoulders 15 and 9 prevents casual exiting of paste material possibly escaped into chamber or cavity 13.
The stem dispensing opening 7 may be arranged or not at the dispensing hole 16 of the bristle holder head member 2 and by rotation of the latter the passage from corresponding or opening position to not corresponding or closing position is obtained. Preferably, there will be .
suitable reference marks on head member 2 and stem 1 for easily indicating said opening and/or closing position. When opening 7 and hole 16 are at open position a simple pressure applied to stem portion 3 allows to dispense paste material at the bristle zone 120 When said opening 7 and hole 16 are 20. offset, or at closed position, the paste material is inhibited from exiting neither by casually appiying a pressure on stem reservoir 3 and neither contaminating materials in case present on the brush can enter the reservoir.
When desiring to completely remove the residual tooth paste in the container handle, for example in order to change the type of tooth paste, it is an easy matter to unscrew cap 31 from handle 3, thereby availing of a larger passage for washing and throughly cleaning the brush interior.
Thus, lt will be appreciated that a brush has been provided which is highly reliable, hygienical, easy to use and clean, and yet relatively simple, 30. For use, it is preferred that the brush is kept with its bristle holder head mem~er at the bottom or downward directed~ so that the paste material is always adjacent the dispenslng opening (in order to avoid time wasting operations of squeezing and material loss along the reservoir walls, should the material be accumulated adiacent cover 4). To maintain such an attitude, a housing 20 (Fig. 2) has been designed, which comprises a tubular element having an open end 21 and a closed end 22, in case provided with small holes for the drainage of possihle liquids. The inner . , . , , . ~ . . . . .
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dimensions of this housing 20 are such that the brush can be accomodated therein with the head member to end 22 and engage hy a slight pressure a portion of its stem (Fig. 3). Where the paste material to be dispensed is, for example, shoe-polish, it may be advantegeous also to provide said housing with an externally fiat, umperforated closed bottom, serving as a bearing means.
A modified embodiment of the brush i.s shown in Figs. 6 and 7.
Those elements which are similar to those of the main embodiment have been denoted by the same reference numerals followed by letter a, and those 10. elements that are identical will not be described in detail.
The brush of this embodiment comprises a container handle la, the elongated portion 6a of which is substantially cylindrical. The chamber or cavity 13a of bristle holder head member 2a is also cylindrical. The engagement between said handle la and head member 2a is effected by lugs or projections, such as'5a, provided on the surface of one of the two elements, either the head member or handle, engagi.ng i.n grooves, such as 14a, provided on the opposite face of the other of said two elements.. Grooves 14a are of a shape that a slight mutual sliding i:s allowed between the two elements.
Between th.e end surface of elongated porti.on 6a and the bottom 20. of chamber or cavity 13a a spring 42a is interposed. This spring is for holding head member'2a and handle'la at such a mutual position that said ; dispensing openi.ng 7a will not coi:nci.de wi.th.dispensing hole 16a (or at a position of no exit for the tooth pas.te). For tooth paste exit, the handle has. to he axially moved relative to the head member, by compressing said .~ spri.ng 42a for the time required for causing the des.ired amount to exit ~ by squeezing the handle reservoir portion 3a. In order to cover the circular :~ gap which would exi.st betw:een said bri.s.tle holder head member and stem ~' (Fig. 7) at rest or inoperati.ve position, the bris.tle holder head member is extended by a ci.rcular skirt 50a.
30. A further modified embodi.ment of a brush according to the present application i.s shown in Figs. 8 and 9O In th.i.s case, the brush is a dis.posable type of brush, that is. a hrush that is sold already loaded with paste material and, upon consumption of the charge, has to be thrown away. It is beli.eved th.at this type of hrush is useful in certain cases (for example, as an outfi:t for hotels, hospitals, or for sale as charged with a given brand of tooth paste).
I:n Figs. 8 and 9, there is shown only the reservoir portion 3b of the brus.h. At that end, which in the figure is the lower end, it extends - ~ 1 1 1 5 4 ~3 by a thinner, flexible, bell-like wall 45b, preferably in a bellows shape.
The paste material is charged through the end 46b of this wall, and accordingly such an end is closed, squeezed and in case bent over and sealed, similarly as done for cream and tooth paste tubes. Therefore, it is preferably forced back into reservoir 3b (Fig. 9), so that the reservoir edges has alwa~s a neat and aesthetically pleasant appearance, and may be laid down on a plane. Preferably, but not necessarily, a cover 4b is provided for pressure insertion in the end of reservoir 3b by partially squeezing the bellows wall 45b, said cover 4b carrying hooking or connecting lO. means 37b.
Of course, changes and modifications can be made to the above described assembly, without departing for this from the covering field of the present application.
. - ..., , .. , .. ~.
, . . ... .. .
This application is concerned with brushes, particularly tooth-brushes, made to include a tooth paste reservoir, the tooth paste being dispensable on bristles as required.
Such brushes as hitherto used have not met a favourable commercial acceptance because of suffering from many disadvantages. As a matter of fact, known brushes of this type are either cumbersome and unhandy, or costly to manufacture, or paste dispensing does not occur in a metered and reliable manner, so that the hands get dirty with paste, or again do not present sufficient hygienics allowances.
10. It is the object of the present application to provide a brush, or tooth-brush, for overcoming the aforesaid disadvantages. Such a brush comprises a flexible container-like handle or stem, adjacent-one end having an opening for dispensing the paste material therein contained; and an internally hollow bristle holder head member for fitting to an end of said handle or stem, and at the bristle base provided with a paste material dispensing hole.
This container handle or stem may be of refillable type with new paste material, or not refillable or disposable type.
Particularly, it is the object of the present application to provide a brush assembly, of a type comprising a paste material containing and dispensing handle, characterized by comprising:
a) a stem or handle having a flexible wall, internally hollow reservoir portion; and intermediate zone with means for engaging a bristle holder head member; and a substantially rigid elongated portion, said elongated portion having a paste material dispensing opening;
b) a substantially rigid bristle holder head member, having a bristle arrangement on an outer face and including an inner cavity of shape and size substantially corresponding to those of said elongated portion of the handle; a portion for engagement in said means on the intermediate portion of the handle, and a paste material dispensing hole in the bristle-fitted face, the position of said dispensing hole being such that the hole can be made to correspond with said dispensing opening in the handle.
. ~.,; .
S4fi~3 According to an embodiment, this dispensing hole can be made to correspond with the dispensing opening through a rotary movement, and according to a further embodiment, the movement for causing said hole to coincide with said opening is a translatory movement.
According to another feature of the present application, a tube housing is provided for the brush, and is of a size suitable for pressure holding thereon.
A brush according to this application is functional, easy to use, completely hygienical and relatively inexpensive.
10. It should be noted that, although the description is related to a tooth-brush and tooth paste, it will be appreciated that by slight modifications a brush according to the present invention could be used for other purposes such as, for example, shoe shining, and the paste material could be another material such as, for example, a semi-liquid shoe polish.
Some preferred embodiment of the subject of the present applica-tion will now be described with reference to the accompanying drawings, in which:
Fig 1 is an exploded, partly sectional view of an embodiment for a brush according to the present application;
20. Fig. 2 is a fragmentary sectional view of a tube housing for the brush;
Fig. 3 is a view similar to that of Fig. 2 with the brush inserted in the housing and part of the bristles therein removed to show the paste dispensing hole;
Fig. 4 is an exploded, partly sectional view of the handle or stem loading end;
Fig. 5 is a cut away view of a tooth paste tube inserted in a handle for reloading;
Fig. 6 is an exploded view of a second type of brush, 30. Fig. 7 is a fragmentary view of the brush shown in Fig. 6 at assembled condition; and Figs. 8 and 9 show a closing or sealing system for the container handle in a disposable non-rechargeable type of brush.
As shown in Fig. 1, a brush comprises a stem or handle designated at 1 and a hristle holder head member designated at 2. This stem includes a handgrip portion 3, which is of frusto-conical configuration in the figure and is internally hollow for providing the tooth paste reservoir.
Said reservoir forming portion 3 is comparatively flexible for the paste .. . . .
. . . ; .
1~54fi~
material to be squeezed out, but should be sufficiently rigid to avoid e~cess bending in use. Said wall may be made of plastics material and possibly long;tudinally ribbed. At one end, or that end corresponding to the major base of the truncated cone in the figure, said reservoir portion 3 has an opening (not shown) for the introduction of the paste material, this opening being closed by a cover system 4 to be described in the following.
Thus, at the opposite side of the reservoir to the plug, the stem has an externally threaded zone 5, and there beyond an elongated internally 10. hollow portion 6, which communicates with the reservoir. Preferably, said portion 6 is frusto-conical and tapers to the farthermost end from the reservoir. Adjacent to such an end and on the conical skirt an opening 7 is provided, communicating the internal hollow with the outside. Preferably, a further opening 8 is provided at a location spaced apart from said opening 7 to thread 5. Along the circumference joining threaded zone 5 and elongated portion 6 a shoulder 9 is preferably provided. The entire stem 1 may be integrally formed, for example of plastics material, or said elongated portion 6 may be made of a more rigid material and joined or connected to portions 3 and 5 20. Bristle holder head member 2 may be of any external shape and on at least one face or side 11 carries a bristle arrangement 12. Internally, said head member 2 has a cavity 13 exactly corresponding as to shape and ; size`to the shape and size of said elongated stem portion 6. At itsconnection location to the stem, head member 2 has an internal thread 14 for meshing with thread 5 on the stem, and between thread zone 14 and cavity 13 a shoulder 15 is provided. On the bristle carrying side or face 11, a through hole 16 (also shown in Fig. 3) is provided and communicates said cavity 13 with the outside. ;^
The cover system 4 for the container handle may be of any known .
30. type. However, the preferred system (Fig. 4) comprises a thread 30 on the r handle end, generally an lnner thread, a cap 31 formed with a thread 32 mating with thread 30, and provided with an outer skirt 33, suitable to arrange about the end of handle 3, and a threaded hole 34 for accomodating the neck of a tooth paste tube for recharging, a plug 36 for closing said threaded hole 34 and preferably carrying means 37 for brush hooking at suspended position.
Skirt 33 perform~ the function of stiffening the wall of handle 3, .
;4fifl when said cap 31 is screwed on or unscrewed from thread 30.
The brush is filled up with paste material by inserting (Fig. 5) the mouth or inlet of a tooth paste tube 40 in said threaded hole 34 of cap 31 applied to handle 3. During this operation, the bristle holder head mRmber is preferably moved away from the stem to allow for air vent through vent opening 8. Then, tube 40 is removed, and the loading hole is closed by plug 36, and the bristle holder head portion is screwed down with thread 14 on thread 5. Thus, the elongated handle portion 6 is fully accomodated withln cavity 13, and vent hole 8 is closed by the wall 10. thereof. The interengagement between said shoulders 15 and 9 prevents casual exiting of paste material possibly escaped into chamber or cavity 13.
The stem dispensing opening 7 may be arranged or not at the dispensing hole 16 of the bristle holder head member 2 and by rotation of the latter the passage from corresponding or opening position to not corresponding or closing position is obtained. Preferably, there will be .
suitable reference marks on head member 2 and stem 1 for easily indicating said opening and/or closing position. When opening 7 and hole 16 are at open position a simple pressure applied to stem portion 3 allows to dispense paste material at the bristle zone 120 When said opening 7 and hole 16 are 20. offset, or at closed position, the paste material is inhibited from exiting neither by casually appiying a pressure on stem reservoir 3 and neither contaminating materials in case present on the brush can enter the reservoir.
When desiring to completely remove the residual tooth paste in the container handle, for example in order to change the type of tooth paste, it is an easy matter to unscrew cap 31 from handle 3, thereby availing of a larger passage for washing and throughly cleaning the brush interior.
Thus, lt will be appreciated that a brush has been provided which is highly reliable, hygienical, easy to use and clean, and yet relatively simple, 30. For use, it is preferred that the brush is kept with its bristle holder head mem~er at the bottom or downward directed~ so that the paste material is always adjacent the dispenslng opening (in order to avoid time wasting operations of squeezing and material loss along the reservoir walls, should the material be accumulated adiacent cover 4). To maintain such an attitude, a housing 20 (Fig. 2) has been designed, which comprises a tubular element having an open end 21 and a closed end 22, in case provided with small holes for the drainage of possihle liquids. The inner . , . , , . ~ . . . . .
4t~1~
dimensions of this housing 20 are such that the brush can be accomodated therein with the head member to end 22 and engage hy a slight pressure a portion of its stem (Fig. 3). Where the paste material to be dispensed is, for example, shoe-polish, it may be advantegeous also to provide said housing with an externally fiat, umperforated closed bottom, serving as a bearing means.
A modified embodiment of the brush i.s shown in Figs. 6 and 7.
Those elements which are similar to those of the main embodiment have been denoted by the same reference numerals followed by letter a, and those 10. elements that are identical will not be described in detail.
The brush of this embodiment comprises a container handle la, the elongated portion 6a of which is substantially cylindrical. The chamber or cavity 13a of bristle holder head member 2a is also cylindrical. The engagement between said handle la and head member 2a is effected by lugs or projections, such as'5a, provided on the surface of one of the two elements, either the head member or handle, engagi.ng i.n grooves, such as 14a, provided on the opposite face of the other of said two elements.. Grooves 14a are of a shape that a slight mutual sliding i:s allowed between the two elements.
Between th.e end surface of elongated porti.on 6a and the bottom 20. of chamber or cavity 13a a spring 42a is interposed. This spring is for holding head member'2a and handle'la at such a mutual position that said ; dispensing openi.ng 7a will not coi:nci.de wi.th.dispensing hole 16a (or at a position of no exit for the tooth pas.te). For tooth paste exit, the handle has. to he axially moved relative to the head member, by compressing said .~ spri.ng 42a for the time required for causing the des.ired amount to exit ~ by squeezing the handle reservoir portion 3a. In order to cover the circular :~ gap which would exi.st betw:een said bri.s.tle holder head member and stem ~' (Fig. 7) at rest or inoperati.ve position, the bris.tle holder head member is extended by a ci.rcular skirt 50a.
30. A further modified embodi.ment of a brush according to the present application i.s shown in Figs. 8 and 9O In th.i.s case, the brush is a dis.posable type of brush, that is. a hrush that is sold already loaded with paste material and, upon consumption of the charge, has to be thrown away. It is beli.eved th.at this type of hrush is useful in certain cases (for example, as an outfi:t for hotels, hospitals, or for sale as charged with a given brand of tooth paste).
I:n Figs. 8 and 9, there is shown only the reservoir portion 3b of the brus.h. At that end, which in the figure is the lower end, it extends - ~ 1 1 1 5 4 ~3 by a thinner, flexible, bell-like wall 45b, preferably in a bellows shape.
The paste material is charged through the end 46b of this wall, and accordingly such an end is closed, squeezed and in case bent over and sealed, similarly as done for cream and tooth paste tubes. Therefore, it is preferably forced back into reservoir 3b (Fig. 9), so that the reservoir edges has alwa~s a neat and aesthetically pleasant appearance, and may be laid down on a plane. Preferably, but not necessarily, a cover 4b is provided for pressure insertion in the end of reservoir 3b by partially squeezing the bellows wall 45b, said cover 4b carrying hooking or connecting lO. means 37b.
Of course, changes and modifications can be made to the above described assembly, without departing for this from the covering field of the present application.
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Claims (13)
OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A brush assembly of the type comprising a dispenser container of paste material comprising:
a) a handle having a internally hollow handgrip and reservoir portion, an intermediate zone with engaging means for engaging a bristle-holder head member and an elongated portion, said elongated portion having a dispensing opening for the paste material; and b) a substantially rigid bristle holder head member having a bristle arrangement on an outer face and having an internal cavity of shape and size corresponding to the shape and size of said elongated portion;
a portion for engaging in said engaging means on the intermediate zone; and a dispensing hole for the paste material in the face provided with the bristles, the position of said dispensing hole being such as to be brought to correspond with said dispensing opening in the handle; wherein said elongated portion is secured to said reservoir portion; said reservoir portion has flexible walls; and said reservoir portion and said bristle-holder head are movable, one with respect to the other, between a closing position and a dispensing position; so that said dispensing hole can pro-vide direct communication between the internal cavity and the outside of the face provided with bristles.
a) a handle having a internally hollow handgrip and reservoir portion, an intermediate zone with engaging means for engaging a bristle-holder head member and an elongated portion, said elongated portion having a dispensing opening for the paste material; and b) a substantially rigid bristle holder head member having a bristle arrangement on an outer face and having an internal cavity of shape and size corresponding to the shape and size of said elongated portion;
a portion for engaging in said engaging means on the intermediate zone; and a dispensing hole for the paste material in the face provided with the bristles, the position of said dispensing hole being such as to be brought to correspond with said dispensing opening in the handle; wherein said elongated portion is secured to said reservoir portion; said reservoir portion has flexible walls; and said reservoir portion and said bristle-holder head are movable, one with respect to the other, between a closing position and a dispensing position; so that said dispensing hole can pro-vide direct communication between the internal cavity and the outside of the face provided with bristles.
2. An assembly according to claim 1, wherein said engaging means of the bristle-holder head member on the handle, are such as to allow a mutual rotation for at least a limited arc and said bristle-holder head mem-ber can be moved from a position wherein the dispensing hole is not in regis-ter with the dispensing opening to a position wherein said dispensing hole is in register with said dispensing opening, and vice versa, through a rota-tional movement, said elongated portion and said reservoir portion being of materials having a different flexibility with said elongated portion being relatively rigid and said reservoir portion being sufficiently flexible to be deformable upon squeezing and sufficiently resilient to return to its un-deformed shape after squeezing.
3. An assembly according to claim 1, wherein said engaging means of the bristle-holder head member on the handle are such as to allow a mutual translation, and a spring means is provided between said bristle-holder head member and elongated portion of said handle, so that by an axial movement the bristle-holder head member can be accordingly moved between a position where the dispensing hole is not in register with the dispensing opening, and a position where said dispensing hole is in register with the dispensing opening, and vice versa.
4. An assembly according to claim 1, wherein said handle and bristle-holder head member carry reference means for locating the mutual closed and/or open position for paste material dispensing.
5. An assembly according to claim 1, wherein said handle is rechargeable by a charging opening at the opposite end to the bristle-holder head member, which charging opening is closed by a cover means; the elongated handle portion having a further opening for venting air during a charging operation, this further opening being at a location spaced apart from said dispensing opening to the intermediate zone.
6. An assembly according to claim 5, wherein said charging opening is closed by a cap, also having a charging hole of a diameter less than said opening, said charging hole being closed by a plug.
7. An assembly according to claim 6, wherein said charging opening is provided with a screw thread, on which there engages a mating thread of said cap, the cap being provided with a skirt overlying to the thread, the connection between said plug and cap also being provided by screw threads.
8. An assembly according to claim 7, wherein the size and screw thread of said charging hole in the cap are such that the outlet of a tooth paste tube can be engaged thereby.
9. An assembly according to claim 6, wherein said cap includes means for suspending the brush.
10. An assembly according to claim 1, wherein said brush is disposable, and the opposite handle end to said elongated portion has a foldable flexible bellows extension, suitable to be squeezed and sealed to the end for closing, after filling up with paste material.
11. An assembly according to claim 10, further comprising a cover means for insertion in the handle end carrying the flexible extension, sealed and internally bent over, said cover means having a hooking means.
12. An assembly according to claim 1, further comprising a tube-like housing having such inner dimensions to engage with a brush inserted under slight pressure.
13. A brush assembly comprising;
a dispensing reservoir member, having a flexible generally tubular wall, for paste material;
a substantially rigid bristle-holder head member having a bristle arrangement on an outer face and an internal cavity opening through an end thereof;
an elongated portion extending from an end of said reservoir portion and having a hollow interior communicating with the interior of said reservoir;
a dispensing opening in a side of said elongated portion remote from said reservoir, the shape and size of said elongated portion corres-ponding to the shape and size of said internal cavity;
a dispensing hole extending from said internal cavity to the outer surface of said bristle-holder head amid said bristles, said dispen-sing hole being so located that it can be brought into and out of register with said dispensing opening when said elongated portion is nested in said internal cavity;
the other end of said reservoir portion forming a charging opening;
a closure for said charging opening having holding means engaging one of the inner and outer surfaces of said reservoir portion and a skirt spaced from said holding means and engaging the other of said surfaces; and a vent opening for said reservoir, said vent opening serving to vent air from said container during charging.
a dispensing reservoir member, having a flexible generally tubular wall, for paste material;
a substantially rigid bristle-holder head member having a bristle arrangement on an outer face and an internal cavity opening through an end thereof;
an elongated portion extending from an end of said reservoir portion and having a hollow interior communicating with the interior of said reservoir;
a dispensing opening in a side of said elongated portion remote from said reservoir, the shape and size of said elongated portion corres-ponding to the shape and size of said internal cavity;
a dispensing hole extending from said internal cavity to the outer surface of said bristle-holder head amid said bristles, said dispen-sing hole being so located that it can be brought into and out of register with said dispensing opening when said elongated portion is nested in said internal cavity;
the other end of said reservoir portion forming a charging opening;
a closure for said charging opening having holding means engaging one of the inner and outer surfaces of said reservoir portion and a skirt spaced from said holding means and engaging the other of said surfaces; and a vent opening for said reservoir, said vent opening serving to vent air from said container during charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA312,926A CA1115468A (en) | 1978-10-10 | 1978-10-10 | Tooth-brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA312,926A CA1115468A (en) | 1978-10-10 | 1978-10-10 | Tooth-brush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1115468A true CA1115468A (en) | 1982-01-05 |
Family
ID=4112564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA312,926A Expired CA1115468A (en) | 1978-10-10 | 1978-10-10 | Tooth-brush |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1115468A (en) |
-
1978
- 1978-10-10 CA CA312,926A patent/CA1115468A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |