EP0693435B1 - Dispositif verseur anti-goutte - Google Patents
Dispositif verseur anti-goutte Download PDFInfo
- Publication number
- EP0693435B1 EP0693435B1 EP95420194A EP95420194A EP0693435B1 EP 0693435 B1 EP0693435 B1 EP 0693435B1 EP 95420194 A EP95420194 A EP 95420194A EP 95420194 A EP95420194 A EP 95420194A EP 0693435 B1 EP0693435 B1 EP 0693435B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pouring
- spout
- container
- pouring device
- emerging
- 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 - Lifetime
Links
- 239000012263 liquid product Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 28
- 238000000605 extraction Methods 0.000 description 9
- 239000012530 fluid Substances 0.000 description 8
- 238000003475 lamination Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 230000005499 meniscus Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 201000005569 Gout Diseases 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
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
- B65D47/40—Closures with filling and discharging, or with discharging, devices with drip catchers or drip-preventing means
Definitions
- the present invention relates to closing devices in material plastic, used on various containers for various liquids, food or not. More precisely, it relates to the plugging of containers making use internal pressure to extract the contents from a pouring orifice or outlet, such as those with pump or flexible walls on which the user can apply a pressure.
- a capillary channel is provided formed in the thickness of the wall of the spout and opening out at the natural place of formation of the drop, so to involve the phenomenon of " ascent in the capillary tubes " to aspirate the drop and return it inside the container.
- the present invention aims to respond to the problem still unsolved so satisfactory, the elimination of the formation of the last drop of a liquid extracted from the outlet or pourer of a container, more particularly with internal extraction pressure, whatever the diameter of this orifice.
- the object of the invention can be used on all containers intended to contain liquid or semi-pasty products, whether food or not and whose extraction is ensured by an internal relative pressurization.
- the invention finds a preferred, but not limiting, application to containers with flexible walls, such than those frequently used in the domestic sector.
- the invention relates to an anti-drip pouring device for pressure extraction, of the type comprising a spout of general shape tubular having an outlet orifice bordered by a opened lip and taking birth from an upstream throttle connecting it to the container, such a device being characterized in that at least one through hole is formed in the wall of the spout in a region of the latter as close as possible to the constriction.
- ⁇ P is however reduced by the depression, certainly relative, but nevertheless existing, which settles in the container during the extraction. This results in a slow speed flow which imposes a large passage section 3 of the pouring element 2 , generally of the order of a few cm 2 . Under these conditions, the flow is always laminar, even in the case of liquids with very low viscosity.
- FIG. 2 makes it possible to understand the phenomenon of rupture of the liquid film, caused by the surface tension forces, as soon as the thickness of the layer of liquid becomes insufficient at the level of the part 4 .
- FIG. 2 illustrates the case of a liquid which does not wet the wall of the pouring element 2 .
- the volume of the drop remaining attached to the pouring spout is then proportional to the length X separating the part 4 of the end lip 5 defining the outlet edge of the pouring element.
- the lamination of the fluid is no longer carried out at the outlet of the pouring element, but at the level of the smallest passage section, as shown in 6 in the figure. 3 and which is generally extended by a pouring spout 7 of larger section and of more or less length, such a pouring spout finding its use in the geometric requirements for forming and adapting a closure cap.
- the maximum lamination point where the liquid film breaks is located at the constriction 6 , that is to say at the base of the pouring spout 7 which is responsible for the retention of a volume of liquid V 0 .
- the phenomenon to be considered here is that of the risk of automatic emptying of the liquid retained by a phenomenon of entrainment by the mass of liquid supplied by the pouring element.
- the object of the invention is to propose means making it possible precisely to avoid the retention of liquid in the volume V 0 and its automatic emptying after the flow, initiated by relative internal pressure, has ceased.
- These means consist, as shown in Figure 4 , in at least one through hole 9 formed in the wall of the spout 7 in a region located as close as possible to the constriction 6 , so as to eliminate the depression resulting from the cancellation of the liquid flow in the spout 7 when the internal relative pressure ceases.
- the pouring spout 7 is advantageously of cylindrical, even cylindro-conical tubular shape, and then receives the pressurized liquid from the flared side of the cone.
- the outlet or spout of the spout 7 is defined by the opposite extreme edge which is advantageously, but not necessarily, provided with a thin, open lip, 10 , the distance d between the throttle 6 and the lip 10 being able be arbitrary, or even limited to the direct connection of said lip with the constriction 6 .
- the hole (s) 9 have a diameter preferably between 0.5 and 1.5 mm and, in the event of plurality, are advantageously drilled along one or more straight planes transverse to the axis x-x ' spout 7 . In such a case, an implantation of the holes in alignment or staggered from one straight plane to another can be indifferently retained.
- the holes 9 can be described as recompression or more precisely as balanced pressure restoration orifices on either side of the throttle 6 .
- a flow restrictor can advantageously be integrated inside the spout.
- FIG. 5 shows an industrial embodiment of a pouring element or device, preferably but not exclusively of the stretchable type, adaptable to a container, not shown, using a relative internal pressure for extracting the liquid fluid which it contains.
- Such an element or device designated by the general reference 20 comprises a base 21 for adaptation on a container.
- the base 21 is extended by a stretching bellows 22 , itself extended by a neck 23 , preferably externally threaded, to allow the adaptation of a screwed closure cap 24 .
- the neck 23 constitutes by itself the constriction 6 which has been discussed previously.
- the neck 23 has, at the end, the lip 10 capable of cooperating with the internal face of the plug 24 .
- two diametrically opposite holes 9 are provided in the connection part between the lip 10 and the constriction formed by the neck 23 .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Basic Packing Technique (AREA)
- Cartons (AREA)
- Apparatus For Making Beverages (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Description
h = 5 cm et ρ = 1 g/cm3, d'où ΔP ∼ 100 Pascals (10-3 bar).
Claims (7)
- Dispositif verseur anti-goutte pour récipients à extraction du produit liquide qu'il contient par pression interne relative, du type comprenant un bec verseur (20) de forme générale tubulaire possédant un orifice de sortie bordé par une lèvre épanouie (10) et prenant naissance à partir d'un étranglement (23) reliant ledit bec verseur au récipient
caractérisé en ce qu'au moins un trou débouchant (9) est ménagé dans la paroi du bec verseur dans une région de ce dernier la plus proche possible de l'étranglement. - Dispositif verseur selon la revendication 1, caractérisé en ce que des trous débouchants sont ménagés selon au moins un même plan droit transversal par rapport à l'axe (x-x') du bec verseur.
- Dispositif verseur selon la revendication 1 ou 2, caractérisé en ce que des trous débouchants sont ménagés sur toute la longueur utile du bec verseur.
- Dispositif verseur selon l'une des revendications 1 à 3, caractérisé en ce que chaque trou présente un diamètre compris entre 0,5 et 1,5 mm.
- Dispositif verseur selon l'une des revendications 1 à 4, caractérisé en ce que les trous débouchants (9) sont pratiqués en alignement selon plusieurs plans droits transversaux successifs.
- Dispositif verseur selon l'une des revendications 1 à 4, caractérisé en ce que les trous débouchants (9) sont pratiqués en quinconce pour deux plans droits transversaux successifs.
- Dispositif verseur selon l'une des revendications 1 à 6, caractérisé en ce qu'il comprendune base (21) de liaison avec un récipient,un col (23) prolongeant la base et définissant un étranglement 6,une lèvre (10) prolongeant directement le col (23)et, au moins, un trou débouchant (9) situé dans la partie de raccordement entre le col et la lèvre.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9408876A FR2722481B1 (fr) | 1994-07-12 | 1994-07-12 | Dispositif verseur anti-goutte. |
FR9408876 | 1994-07-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0693435A1 EP0693435A1 (fr) | 1996-01-24 |
EP0693435B1 true EP0693435B1 (fr) | 1998-04-15 |
Family
ID=9465494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95420194A Expired - Lifetime EP0693435B1 (fr) | 1994-07-12 | 1995-07-12 | Dispositif verseur anti-goutte |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0693435B1 (fr) |
CN (1) | CN1121028A (fr) |
AT (1) | ATE165065T1 (fr) |
BR (1) | BR9503264A (fr) |
DE (1) | DE69502058T2 (fr) |
ES (1) | ES2114286T3 (fr) |
FR (1) | FR2722481B1 (fr) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE605555C (de) * | 1936-01-03 | Ernst Carl Baehni | Tropfen verhuetender Ausgiesser fuer Flaschen | |
US1878996A (en) * | 1931-01-19 | 1932-09-27 | Firm Porzellanfabrik Weiden Ge | Dripless spout for pouring vessels of ceramic material |
FR1000051A (fr) * | 1949-10-11 | 1952-02-07 | Tube verseur adaptable à des embouchures de récipients de dimensions différentes | |
FR1027269A (fr) * | 1950-11-07 | 1953-05-11 | Appareil versant les liquides sans baver | |
IT8322185V0 (it) * | 1983-06-22 | 1983-06-22 | Victor Wassilieff | Dispositivo di chiusura per contenitori di fluidi. |
EP0386290A1 (fr) * | 1989-03-08 | 1990-09-12 | Hsien-Chang Lin | Capuchon empêchant l'écoulement de gouttes |
-
1994
- 1994-07-12 FR FR9408876A patent/FR2722481B1/fr not_active Expired - Fee Related
-
1995
- 1995-07-10 BR BR9503264A patent/BR9503264A/pt not_active Application Discontinuation
- 1995-07-11 CN CN95109147.6A patent/CN1121028A/zh active Pending
- 1995-07-12 DE DE69502058T patent/DE69502058T2/de not_active Expired - Fee Related
- 1995-07-12 AT AT95420194T patent/ATE165065T1/de not_active IP Right Cessation
- 1995-07-12 EP EP95420194A patent/EP0693435B1/fr not_active Expired - Lifetime
- 1995-07-12 ES ES95420194T patent/ES2114286T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
BR9503264A (pt) | 1996-07-09 |
FR2722481B1 (fr) | 1996-10-11 |
DE69502058T2 (de) | 1998-08-06 |
EP0693435A1 (fr) | 1996-01-24 |
ATE165065T1 (de) | 1998-05-15 |
CN1121028A (zh) | 1996-04-24 |
DE69502058D1 (de) | 1998-05-20 |
ES2114286T3 (es) | 1998-05-16 |
FR2722481A1 (fr) | 1996-01-19 |
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