WO2000078615A2 - A dispenser for a fluid or pasty product, having a retractable dispensing nozzle - Google Patents

A dispenser for a fluid or pasty product, having a retractable dispensing nozzle Download PDF

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Publication number
WO2000078615A2
WO2000078615A2 PCT/IT2000/000238 IT0000238W WO0078615A2 WO 2000078615 A2 WO2000078615 A2 WO 2000078615A2 IT 0000238 W IT0000238 W IT 0000238W WO 0078615 A2 WO0078615 A2 WO 0078615A2
Authority
WO
WIPO (PCT)
Prior art keywords
opening
tube
cover member
end nozzle
dispenser
Prior art date
Application number
PCT/IT2000/000238
Other languages
French (fr)
Other versions
WO2000078615A3 (en
Inventor
Giambattista Apolloni
Giancarlo Brun
Original Assignee
Tecnologia S.A.S. Di Valentino Brazzale & C.
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 Tecnologia S.A.S. Di Valentino Brazzale & C. filed Critical Tecnologia S.A.S. Di Valentino Brazzale & C.
Priority to AU55647/00A priority Critical patent/AU5564700A/en
Publication of WO2000078615A2 publication Critical patent/WO2000078615A2/en
Publication of WO2000078615A3 publication Critical patent/WO2000078615A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2012—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge formed by a rigid spout outlet and an overcap, the spout outlet being either pushed into alignment with, or pushed through an opening in the overcap, upon rotation of the latter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0005—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container

Definitions

  • a dispenser for a fluid or pasty product having a retractable dispensing nozzle
  • the present invention relates to a dispenser for a fluid or pasty product, of the type comprising a reservoir communicating with an outlet duct for the product which leads into an end nozzle, and dispensing means for forcing the product through the outlet duct towards the end nozzle.
  • dispensers of the type indicated above which are used, for example, for creams, toothpastes, food products, and other such products are known.
  • the dispensing nozzle of a dispenser of that type is covered by a plug, by a hinged cover or by other similar means, which are often not easy to use .
  • plugs or covers separable from the body of the dispenser may fall off or be mislaid and they have to be supported somewhere while the dispenser is being used.
  • Hinged covers are often difficult to open without using the fingernails.
  • the object of the invention is therefore to provide a dispenser having a system for closing the dispensing nozzle which is simple, efficient and economical.
  • a further object of the invention is to provide a dispenser that is easy to use .
  • the invention relates to a dispenser of the type indicated in the preamble of the present invention, characterised in that it comprises a hollow member which is rotatable about an axis and which is coupled to the outlet duct, the hollow member being rotatable from a closed position, in which the outlet duct is located inside the hollow member in such a manner that the end nozzle is plugged, to an open or dispensing position, in which the duct projects at least partially out of the hollow member in order to open the end nozzle and to enable product to be discharged from the reservoir through the duct and the end nozzle by operation of the dispensing means .
  • Figure 1 is an exploded perspective view of the component members of a preferred embodiment of a dispenser according to the invention
  • Figure 2 is a perspective view of the dispenser of Figure 1 in the closed position
  • Figure 3 is a perspective view of the dispenser of Figure 2 in the open or dispensing position.
  • a dispenser for fluid or pasty products which is preferably, although this is not to constitute a limitation, of a manual type, comprises a preferably cylindrical piston-like base 10 comprising a pressing wall 11 and a peripheral shell 12 mounted slidably in a sealed manner inside a jacket 13 of a container cylinder 14.
  • a circular opening 16 In an upper wall 15 of the container cylinder 14 is a circular opening 16 inside which is rotatably mounted a shank 17 of a duct body 18, from which a tube 19 terminating with a head 20 extends transversely.
  • the circular opening 16 is arranged in such a manner that it is spaced radially from the centre of a circular track 23 which is formed in the upper region of the container cylinder 14 and in which engages the peripheral edge 24 of a hollow cover member 25 covering the duct body 18.
  • a projection 28, the function of which will become clear in the course of the present description, is formed on the upper wall 15 of the container cylinder 14, near the opening 27.
  • An opening 27 through which the tube 19 is inserted is formed in the peripheral shell 26 of the cover member 25.
  • the opening 27 preferably has smaller dimensions than those of the head 20 of the tube 19.
  • the head 20 and the opening 27 complement one another and are frustoconical .
  • the head 20 is secured to the tube 19 after the latter has been inserted into the opening 27.
  • the head 20 and the tube 19 integral with one another, making sure, however, that the tube 19 is secured to the duct body 18 after introducing the former into the opening 27.
  • the shank 17 is inserted into the circular opening 16 of the container cylinder 14 which is then covered by the cover member 25 mounted rotatably on the track 23.
  • the container cylinder 14 is filled with a fluid or pasty product to be dispensed and is closed at the bottom by the piston-like base 10.
  • the opening 27 in the cover member 25 is located substantially in a position radially opposite the circular opening 16 in which the shank 17 of the duct body 18 is inserted.
  • the length of the tube 19 is such that, when the dispenser is in the closed position, the head 20 is located in the opening 27. In that position, the end nozzle 22 is closed by the peripheral wall 26 of the cover member 25.
  • An alternative or additional system for closing and maintaining the dispenser in the closed position may be provided for by the interference of the head 20 with the circular opening 27 formed in the cover 26.
  • the tube 19 is slightly shorter than the above-mentioned distance, in order to reach and pass the above-mentioned dead centre, it is necessary to exert a slight force sufficient for the resilient deformation of the tube 19 or the cover 26 at the location of the opening 27 on which the head 20 of the tube 19 bears. This resilient reac- tion and the force, even though slight, necessary to overcome it are sufficient to prevent accidental and inadvertent rotation of the cover 26 in the opening direction.
  • An alternative or additional means of locking the cover 26 in the open and/or closed position can be provided by forming on the cover 26 at least one tooth or projection capable of snapping into a respective seat formed at a predetermined position on the container cylinder 14.
  • the seat may be formed on the cover 26 and the projection may be formed on the container cylinder.
  • Other systems of locking the dispenser in the open and/or closed position can of course be found without any effort by an expert who has understood the principle of the present invention.
  • Various alternative systems may also be provided for holding the cover 26 on the container cylinder 14.
  • a projecting ring capable of snapping into an annular groove formed in the container cylinder near to or at the location of the circular track 23.
  • Alternatives to that system may be constituted by known fastening systems for two members rotating relative to one another, such as a coupling in which a bolt or pin placed on the cover 26 interferes with an annular shoulder formed on the container cylinder near to or at the location of the circular track 23.

Abstract

A dispenser for a fluid or pasty product comprises a reservoir (14) communicating with an outlet duct (19) for the product which leads into an end nozzle (22). The dispenser also comprises dispensing means for forcing the product through the outlet duct (19) towards the end nozzle (22), and also a hollow member (25) which is rotatable about an axis and which is coupled to the outlet duct (19). The hollow member (25) is rotatable from a closed position to an open or dispensing position in order to enable product to be discharged from the reservoir through the duct (19) and the end nozzle (22) by operation of the dispensing means.

Description

A dispenser for a fluid or pasty product, having a retractable dispensing nozzle
The present invention relates to a dispenser for a fluid or pasty product, of the type comprising a reservoir communicating with an outlet duct for the product which leads into an end nozzle, and dispensing means for forcing the product through the outlet duct towards the end nozzle.
Various dispensers of the type indicated above which are used, for example, for creams, toothpastes, food products, and other such products are known. Normally, the dispensing nozzle of a dispenser of that type is covered by a plug, by a hinged cover or by other similar means, which are often not easy to use . Purely to give some example of the poor practicality of using dispensers of known type, it is necessary merely to consider that plugs or covers separable from the body of the dispenser may fall off or be mislaid and they have to be supported somewhere while the dispenser is being used. Hinged covers, on the other hand, are often difficult to open without using the fingernails. Those and many other disadvantages of the closure systems of dispensers or, at any rate, of containers of known type for fluid or pasty products have encouraged the present applicant to search for a system which overcomes the above-mentioned disadvantages.
The object of the invention is therefore to provide a dispenser having a system for closing the dispensing nozzle which is simple, efficient and economical. A further object of the invention is to provide a dispenser that is easy to use . In order to achieve the objects indicated above, the invention relates to a dispenser of the type indicated in the preamble of the present invention, characterised in that it comprises a hollow member which is rotatable about an axis and which is coupled to the outlet duct, the hollow member being rotatable from a closed position, in which the outlet duct is located inside the hollow member in such a manner that the end nozzle is plugged, to an open or dispensing position, in which the duct projects at least partially out of the hollow member in order to open the end nozzle and to enable product to be discharged from the reservoir through the duct and the end nozzle by operation of the dispensing means .
Further features and advantages will emerge from the following detailed description of a preferred embodiment, with reference to the appended drawings, which are given purely by way of non- limiting example, in which:
Figure 1 is an exploded perspective view of the component members of a preferred embodiment of a dispenser according to the invention,
Figure 2 is a perspective view of the dispenser of Figure 1 in the closed position, and
Figure 3 is a perspective view of the dispenser of Figure 2 in the open or dispensing position.
Referring now to the drawings, a dispenser for fluid or pasty products, which is preferably, although this is not to constitute a limitation, of a manual type, comprises a preferably cylindrical piston-like base 10 comprising a pressing wall 11 and a peripheral shell 12 mounted slidably in a sealed manner inside a jacket 13 of a container cylinder 14. In an upper wall 15 of the container cylinder 14 is a circular opening 16 inside which is rotatably mounted a shank 17 of a duct body 18, from which a tube 19 terminating with a head 20 extends transversely.
A continuous cavity which, starting from a mouth 21 in the shank 17, leads into an end nozzle 22, which is preferably positioned near the head 20 and is directed downwards, is formed inside the shank 17, the duct body 18 and the tube 19. The circular opening 16 is arranged in such a manner that it is spaced radially from the centre of a circular track 23 which is formed in the upper region of the container cylinder 14 and in which engages the peripheral edge 24 of a hollow cover member 25 covering the duct body 18. A projection 28, the function of which will become clear in the course of the present description, is formed on the upper wall 15 of the container cylinder 14, near the opening 27.
An opening 27 through which the tube 19 is inserted is formed in the peripheral shell 26 of the cover member 25. The opening 27 preferably has smaller dimensions than those of the head 20 of the tube 19. In the case illustrated in the drawings, the head 20 and the opening 27 complement one another and are frustoconical .
In the production of the dispenser illustrated in the drawings, the head 20 is secured to the tube 19 after the latter has been inserted into the opening 27. Alternatively, it is possible to make the head 20 and the tube 19 integral with one another, making sure, however, that the tube 19 is secured to the duct body 18 after introducing the former into the opening 27. The shank 17 is inserted into the circular opening 16 of the container cylinder 14 which is then covered by the cover member 25 mounted rotatably on the track 23.
The container cylinder 14 is filled with a fluid or pasty product to be dispensed and is closed at the bottom by the piston-like base 10.
In the closed position of the dispenser shown in Figure 2, the opening 27 in the cover member 25 is located substantially in a position radially opposite the circular opening 16 in which the shank 17 of the duct body 18 is inserted. The length of the tube 19 is such that, when the dispenser is in the closed position, the head 20 is located in the opening 27. In that position, the end nozzle 22 is closed by the peripheral wall 26 of the cover member 25.
In order to bring the dispenser into the open or dispensing position, it is necessary only to rotate the cover member 25 on the track 23, in the direction indicated by the arrow A in Figure 2. During the rotational movement, the distance between the opening 27 in the cover member 25 and the duct body 18 is reduced, owing to the eccentric position of the opening 16 relative to the circular track 23. During the rotational movement, the cover member 25 causes the tube 19 to rotate as well, the tube coming out of the opening 27 in proportion to the degree of rotation of the cover member 25. The rotation of the cover member 25 in the opening direction is limited by the position of the projection 28, with which the tube 19 collides during its rotation about the axis of the circular opening 16 in which the shank 17 is fitted. In the position of maximum opening of the dispenser, illustrated in Figure 3, the end nozzle 22 projects out of the cover member 25 and is directed downwards. At that point, it is necessary only to exert pressure on the cover member 25 in the direction of arrow B to cause the pressing wall 11 of the piston- like base 10 to be pushed onto the product contained in the container cylinder 14 and to cause the product consequently to be discharged from the nozzle 22, as indicated by the arrow C, after passing through the continuous cavity formed inside the shank 17, the duct body 18 and the tube 19.
An alternative or additional system for closing and maintaining the dispenser in the closed position may be provided for by the interference of the head 20 with the circular opening 27 formed in the cover 26. Owing to the eccentric positioning of the circular opening 16 relative to the circular track 23, in the closed position the tube 19 passes, although only slightly, the position of maximum distance, that is to say, the dead centre position, between the opening 16 formed in the container cylinder 14 and the opening 27 in the cover 26. If the tube 19 is slightly shorter than the above-mentioned distance, in order to reach and pass the above-mentioned dead centre, it is necessary to exert a slight force sufficient for the resilient deformation of the tube 19 or the cover 26 at the location of the opening 27 on which the head 20 of the tube 19 bears. This resilient reac- tion and the force, even though slight, necessary to overcome it are sufficient to prevent accidental and inadvertent rotation of the cover 26 in the opening direction.
An alternative or additional means of locking the cover 26 in the open and/or closed position can be provided by forming on the cover 26 at least one tooth or projection capable of snapping into a respective seat formed at a predetermined position on the container cylinder 14. Naturally, the seat may be formed on the cover 26 and the projection may be formed on the container cylinder. Other systems of locking the dispenser in the open and/or closed position can of course be found without any effort by an expert who has understood the principle of the present invention. Various alternative systems may also be provided for holding the cover 26 on the container cylinder 14. One possibility which may be mentioned here purely by way of non-limiting example is to form, on the inner edge of the cover 26, a projecting ring capable of snapping into an annular groove formed in the container cylinder near to or at the location of the circular track 23. Alternatives to that system may be constituted by known fastening systems for two members rotating relative to one another, such as a coupling in which a bolt or pin placed on the cover 26 interferes with an annular shoulder formed on the container cylinder near to or at the location of the circular track 23.
Naturally, the principle of the invention remaining the same, the embodiments and the details of construction may be varied widely with respect to those described and illus- trated without thereby departing from the scope of the present invention.

Claims

1. A dispenser for a fluid or pasty product, of the type comprising a reservoir (14) communicating with an outlet duct (19) for the product which leads into an end nozzle (22), and dispensing means for forcing the product through the outlet duct (19) towards the end nozzle (22), characterised in that it comprises a hollow member (25) which is coupled to the outlet duct (19) , the hollow member (25) being movable from a closed position, in which the outlet duct
(19) is located inside the hollow member (25) in such a manner that the end nozzle (22) is plugged, to an open or dispensing position, in which the duct (19) projects at least partially out of the hollow member (25) in order to open the end nozzle (22) and to enable product to be discharged from the reservoir (14) through the duct (19) and the end nozzle
(22) by operation of the dispensing means.
2. A dispenser according to claim 1, characterised in that the hollow member (25) is rotatable about an axis and rotatable from said closed position to said open position.
3. A dispenser according to claim 1, characterised in that the dispensing means comprise a piston- like base (10) which is slidable in a sealed manner in a jacket (13) of the reservoir (14 ) .
4. A dispenser according to claim 1, characterised in that it comprises : a container cylinder (14) having circular guide means (23) and an upper wall (15) having a circular opening (16) which is eccentric relative to the guide means (23), a duct body (18) having a hollow cylindrical shank (17) mounted rotatably in the circular opening (16) , a dispensing tube (19) having one end secured to the body (18), an end nozzle (22) being formed at the other end of the dispensing tube (19) in the vicinity of a head (20) , the tube (19) being arranged transversely relative to the axis of rotation of the duct body (18) in the circular opening (16) , a cover member (25) mounted rotatably on the circular guide means (23) and comprising a peripheral wall (26) having an opening (27) through which the tube (19) extends, rotation of the cover member (25) on the circular guide means (23) causing, selectively, the opening (27) of the cover member (25) to approach the circular opening (16) in the container cylinder (14) and at least part of the tube (19) to project accordingly from the cover member (25) .
5. A dispenser according to claim 4, characterised in that the container cylinder (14) comprises an abutment member
(28) which interferes with the tube (19) to limit the rotation of the cover member (25) in the opening direction.
6. A dispenser according to claim 4, characterised in that the head (20) and the opening (27) in the cover member (25) complement one another and are frustoconical .
7. A dispenser according to claim 4, characterised in that, in the closed position, the end nozzle (22) is closed by the peripheral wall (26) of the cover member (25) .
PCT/IT2000/000238 1999-06-18 2000-06-09 A dispenser for a fluid or pasty product, having a retractable dispensing nozzle WO2000078615A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU55647/00A AU5564700A (en) 1999-06-18 2000-06-09 A dispenser for a fluid or pasty product, having a retractable dispensing nozzle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO99A000334 1999-06-18
IT1999BO000334A IT1310398B1 (en) 1999-06-18 1999-06-18 DISPENSER FOR A FLUID OR PASTY PRODUCT WITH DISAPPEARING DISPENSING NOZZLE.

Publications (2)

Publication Number Publication Date
WO2000078615A2 true WO2000078615A2 (en) 2000-12-28
WO2000078615A3 WO2000078615A3 (en) 2002-10-10

Family

ID=11344063

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IT2000/000238 WO2000078615A2 (en) 1999-06-18 2000-06-09 A dispenser for a fluid or pasty product, having a retractable dispensing nozzle

Country Status (3)

Country Link
AU (1) AU5564700A (en)
IT (1) IT1310398B1 (en)
WO (1) WO2000078615A2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2826245A1 (en) * 2001-06-25 2002-12-27 Airlessystems Fluid cosmetic sample dispenser comprises container with ring engaging internal surface forming stop for piston and dispensing head having outlet channel
KR100814319B1 (en) 2007-08-27 2008-03-18 (주)연우 Nozzle retractable dispenser
WO2009063517A1 (en) * 2007-11-16 2009-05-22 Emsar S.P.A. Dispensing head for dispensers of fluid products

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2095844A5 (en) * 1970-06-09 1972-02-11 Beecham Group Ltd
WO1990014897A1 (en) * 1989-06-05 1990-12-13 Anchor Hocking Corporation Pump dispenser package
FR2674508A1 (en) * 1991-03-26 1992-10-02 Prigent Henri Pouring-reducing stopper for liquids
US5337918A (en) * 1993-09-21 1994-08-16 Wang Ching Chen Water bottle with a hidden suction straw

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2095844A5 (en) * 1970-06-09 1972-02-11 Beecham Group Ltd
WO1990014897A1 (en) * 1989-06-05 1990-12-13 Anchor Hocking Corporation Pump dispenser package
FR2674508A1 (en) * 1991-03-26 1992-10-02 Prigent Henri Pouring-reducing stopper for liquids
US5337918A (en) * 1993-09-21 1994-08-16 Wang Ching Chen Water bottle with a hidden suction straw

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2826245A1 (en) * 2001-06-25 2002-12-27 Airlessystems Fluid cosmetic sample dispenser comprises container with ring engaging internal surface forming stop for piston and dispensing head having outlet channel
KR100814319B1 (en) 2007-08-27 2008-03-18 (주)연우 Nozzle retractable dispenser
WO2009028783A1 (en) * 2007-08-27 2009-03-05 Yonwoo Co., Ltd, Nozzle retractable dispenser
US8152026B2 (en) 2007-08-27 2012-04-10 Yonwoo Co., Ltd. Nozzle retractable dispenser
WO2009063517A1 (en) * 2007-11-16 2009-05-22 Emsar S.P.A. Dispensing head for dispensers of fluid products

Also Published As

Publication number Publication date
ITBO990334A0 (en) 1999-06-18
WO2000078615A3 (en) 2002-10-10
ITBO990334A1 (en) 2000-12-18
IT1310398B1 (en) 2002-02-13
AU5564700A (en) 2001-01-09

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