EP1490271A1 - Ventilvorrichtung für die öffnung eines behälters mit rückbelüftungsmechanik - Google Patents
Ventilvorrichtung für die öffnung eines behälters mit rückbelüftungsmechanikInfo
- Publication number
- EP1490271A1 EP1490271A1 EP02732509A EP02732509A EP1490271A1 EP 1490271 A1 EP1490271 A1 EP 1490271A1 EP 02732509 A EP02732509 A EP 02732509A EP 02732509 A EP02732509 A EP 02732509A EP 1490271 A1 EP1490271 A1 EP 1490271A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- valve
- opening
- valve device
- pressure difference
- 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.)
- Granted
Links
- 238000005273 aeration Methods 0.000 title abstract 3
- 238000009423 ventilation Methods 0.000 claims description 23
- 239000000126 substance Substances 0.000 description 19
- 238000011109 contamination Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 239000002453 shampoo Substances 0.000 description 5
- 235000013305 food Nutrition 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 230000009969 flowable effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- 241000219198 Brassica Species 0.000 description 2
- 235000003351 Brassica cretica Nutrition 0.000 description 2
- 235000003343 Brassica rupestris Nutrition 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- QKSKPIVNLNLAAV-UHFFFAOYSA-N bis(2-chloroethyl) sulfide Chemical compound ClCCSCCCl QKSKPIVNLNLAAV-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000002538 fungal effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000006210 lotion Substances 0.000 description 2
- 235000010746 mayonnaise Nutrition 0.000 description 2
- 239000008268 mayonnaise Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 235000010460 mustard Nutrition 0.000 description 2
- 235000013580 sausages Nutrition 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 239000005711 Benzoic acid Substances 0.000 description 1
- 240000008415 Lactuca sativa Species 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 235000010323 ascorbic acid Nutrition 0.000 description 1
- 229960005070 ascorbic acid Drugs 0.000 description 1
- 239000011668 ascorbic acid Substances 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 235000008429 bread Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000002989 correction material Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 239000002781 deodorant agent Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000012907 honey Nutrition 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 235000015094 jam Nutrition 0.000 description 1
- 235000008960 ketchup Nutrition 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000007922 nasal spray Substances 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 150000002826 nitrites Chemical class 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 235000012045 salad Nutrition 0.000 description 1
- 235000015067 sauces Nutrition 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 210000004243 sweat Anatomy 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
- B65D1/32—Containers adapted to be temporarily deformed by external pressure to expel contents
-
- 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
- B65D47/2018—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
- B65D47/2093—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure slide valve type
-
- 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
- B65D51/00—Closures not otherwise provided for
- B65D51/16—Closures not otherwise provided for with means for venting air or gas
- B65D51/1633—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element
- B65D51/1644—Closures not otherwise provided for with means for venting air or gas whereby venting occurs by automatic opening of the closure, container or other element the element being a valve
Definitions
- Valve device for opening a container with back ventilation mechanism
- the invention relates to a valve device for arrangement in the region of an opening of a container and for the metered discharge of a medium from the container.
- this product residue is usually contaminated with splash water, since it is used at the sink or in the shower.
- the shampoo residues around the pouring opening have been stripped off by hand and then sweat, skin residues or other substances are also sucked into the skin.
- nasal sprays that are sold in elastic bottles. With this application it is possible that viral nasal secretions can get into the bottle.
- care lotions or sun milk or oil it is also possible that other substances besides air (sand, sea water, washing
- Patent-he ⁇ 200-257B.doc Substances are sucked back into the container after the product has been applied to the skin.
- a special application is the use of massage heads to apply a shower product and massage the skin.
- substances are detached from the skin during massaging and sucked into the opening of the massage head.
- the problem of contamination of the container contents arises, for example, when applying mayonnaise to salads or sausage bread or mustard to sausage.
- the substances sucked back can often contain bacteria, viruses or fungal germs. This makes it possible for bacteria and fungal germs in particular to multiply in the contents and thereby make them unsavory, inedible or, in extreme cases, even toxic.
- closures with relatively small openings and favorable geometry in combination with these substances usually ensures that the problem is kept within reasonable limits.
- Favorable geometry means that the closure is designed so that contact with the skin or other contaminated surfaces is made more difficult.
- Airless systems usually have a pump and a container with a variable volume, for example a drag piston or inner bag (delivery by compressed air). These systems are also suitable for multi-chamber systems. The increased effort usually creates much higher costs than an elastic plastic bottle. In addition, the residual emptying of these systems is usually very bad.
- Systems with pumps use a standpipe to convey the substance out of the bottle. The volume is equalized by air that enters the bottle through a separate channel. Most of the time, the duct is attached so that it is only open when the pump is activated. This means that this channel is closed in the idle state of the pump (mostly by the pump piston itself) and that this provides a further safeguard against contamination with foreign substances.
- valves are usually designed in such a way that the flow of the applied substance is cut off when the corresponding application pressure is not reached, because the valve snaps back suddenly and closes the opening. This behavior ensures that the dispensing opening is only slightly contaminated and that there is therefore less suction.
- WO 00/06460 describes a valve device for a container, which is attached in the region of the opening for the metered discharge of a medium.
- WO 00/07899 and WO 00/07900 show valve systems which work with diaphragms.
- WO 00/48921 shows a valve with a two-way function, in which the outlet of a liquid and the inlet of air is ensured by opening both routes simultaneously.
- the object of the invention is to provide a valve device for a container, which ensures that the contents of the container are dispensed, enables back ventilation and prevents the once dispensed product from flowing back into the container.
- the main claim relates to a valve device for arrangement in the region of an opening of a container and for the metered discharge of a medium from the container, with a first valve (outlet valve) which seals the container opening for the medium as long as a pressure difference between the container interior and the container exterior is smaller as a first predetermined limit value, and which opens the container opening for the medium if the pressure difference between the container interior and the container exterior is greater than the first predetermined limit value, and with a second valve (ventilation valve) which opens the container opening for back ventilation, as long as a pressure difference between the interior of the container and the exterior of the container is less than a second predetermined limit value, and which seals the opening of the container for back ventilation if the pressure difference between the interior of the container and the container outer is greater than the second predetermined limit, one of the valves being integrated in the other of the valves.
- a first valve outlet valve
- first predetermined limit value which opens the container opening for the medium if the pressure difference between the container interior and the container exterior is greater
- the pressure difference between the inside and outside of the container is defined as the inside pressure minus the outside pressure of the container in the correct mathematical, ie signed values.
- the specification in the mathematical, signed values also applies to the specification of the first and the second specified limit value.
- a negative value is essentially selected for the second predetermined limit value.
- the first valve is therefore advantageously closed as long as a pressure difference in the interior of the container, possibly in the form of a slight overpressure, is smaller than a first predetermined limit value with respect to the exterior of the container, and opened when the excess pressure is greater than the first predetermined limit value.
- the second is accordingly Valve opened when the inside of the container is opposite the outside of the container and, if possible, closed when this underpressure is not present. In order to achieve a negative pressure in the interior of the container, the second predetermined limit value is therefore less than zero.
- the second valve being integrated in the first valve (outlet valve).
- the outlet valve is a piston valve, irrespective of this, but particularly cheaply, but in combination, it has proven useful if the ventilation valve is a poppet valve.
- the first valve (outlet valve) is integrated into the second valve (ventilation valve).
- the ventilation valve is advantageously a piston valve and / or the outlet valve is a poppet valve.
- FIG. 1 container for flowable substances with a hinged lid closure with the valve device according to the invention
- FIG. 2 outlet path of the product in the container from FIG. 1
- FIG. 3 airway during the back ventilation in the container from FIG. 1
- Figure 1 shows a container consisting of a container body 3, a container insert 17 with the valve device according to the invention and an attachment 2, and with a container opening, wherein the container opening can also be closed by a lid 1.
- the valve device comprising a piston valve comprising a piston 5, which is designed to move up and down in the piston channel 51 formed by a cylinder 16, and a poppet valve 6 integrated in the piston 5.
- a spring 11 in the embodiment shown a spiral spring , causes the piston to rest on a stop 7 when no external pressure is exerted on the container body 3, that is to say when the pressure difference between the container interior and the container exterior is less than a first predetermined limit value.
- the piston valve is closed for the exit of a medium from the inside of the piston, the outlet opening 10 located in the cylinder 16 forming the wall of the piston channel 51 is closed.
- This outlet opening 10 represents part of the container opening.
- a value falls below a second predetermined limit value between the inside of the container and the outside of the container, which may be identical to the first limit value, but preferably smaller, in particular negative, the poppet valve 6 is opened. In particular, this is the case when the pressure inside the container is lower than the pressure on the outside of the container.
- the piston 5 in the cylinder 16 is moved against the spring 11 until the outlet opening 10 is cleared laterally in the wall of the cylinder 16 (see also FIG. 1a) ).
- the product can then enter the outlet channel 4 through this outlet opening 10.
- a plurality of outlet openings can also be provided in the wall of the cylinder 16 in order to increase the discharge quantity.
- the lid 1 is preferably designed as a hinged lid. This is movably attached to an attachment 2 of the container body 3 via a hinge 12.
- the outlet duct 4 can be opened by lifting the cover 1, thereby pulling a sealing mandrel 9 out of the outlet duct 4.
- the ventilation path is optimized with regard to contamination through a constructive design, contamination is very difficult.
- the path of the incoming air during the rear ventilation runs under the supports 13 and through the latching parts 14 and 15 for the attachment 2, which are permeable to air due to small interruptions not shown.
- the attachment 2 is fastened on the container body 3 by a system of locking parts (locking hooks 14 and snap hooks 15).
- locking hooks 14 and snap hooks 15 the state of the art offers further advantageous possibilities (threads, snap-in tapes, crimping, etc.).
- the container insert 17 containing the outlet channel 4 is held by the container body 3 via supports 13 and sealed off by a sealing lip 8.
- a sealing lip 8 Various designs are possible for the design of this seal (barrel, cone, lamellae, cylinder). Inserting a sealing ring or a washer is advantageous.
- Figure 1a shows the discharge process by the inventive valve device when the pressure inside the container increases.
- the piston 5 is displaced upwards and compresses the spring 11.
- the poppet valve is closed.
- the outlet path through the outlet opening 10 represented by the strong arrow is continuous.
- the path of the inflowing air in the back-ventilation process is outlined by a strong arrow in FIG. 1b.
- the air passes through passages in the area of the latching parts 14 and 15, then passages in the area of the supports 13 and penetrates through the opened poppet valve 6 into the interior of the container.
- the poppet valve 6 can advantageously be designed such that it closes again after pressure equalization between the interior of the container and the exterior of the container. An additional penetration of contaminants is then avoided.
- This type of closure allows, for example, an applicator to be integrated and safely excluded that substances can get back into the container from the application surface.
- a reversed piston valve (the opening 10 now serves as a ventilation opening) can be used as a ventilation valve, which has a poppet valve (passage can be switched from the inside to the outside).
- the inventive valve device or one of its embodiments is constructed in such a way that a product once it has been dispensed cannot flow back from the applicator surface into the container. They are therefore suitable for containers for flowable substances of all kinds, but also offer great advantages for containers which are intended to dispose of perishable substances or which have to meet high hygienic requirements.
- valve device is outstandingly suitable for the conventional container closures and applicators.
- containers for washing and care substances shampoo, shower gel, sun milk, care lotion, etc. Due to the almost excluded contamination of the contents, the proportion of preserving and stabilizing substances can be greatly reduced.
- valve device is in the food sector, for example for jam, honey, ketchup and mayonnaise, mustard, sauces and such foods.
- valve device By integrating the back-venting valve into the dispensing valve system, it is possible to ensure high accuracy and precision in the injection molding process usually used for the production of such objects.
- the quality of the product increases.
- the valve device can advantageously also be produced in one piece, as a result of which the number of production steps can be reduced, the production price can be reduced and the accuracy of fit and the functionality can be improved.
- valve for ventilation can also be integrated into the bottle body instead of in the piston.
- a piston valve can also be used for ventilation and the outlet can be designed with a poppet valve.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Closures For Containers (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Control And Other Processes For Unpacking Of Materials (AREA)
Description
Claims
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP2002/003152 WO2003080462A1 (de) | 2002-03-21 | 2002-03-21 | Ventilvorrichtung für die öffnung eines behälters mit rückbelüftungsmechanik |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1490271A1 true EP1490271A1 (de) | 2004-12-29 |
| EP1490271B1 EP1490271B1 (de) | 2005-10-12 |
Family
ID=28051710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02732509A Expired - Lifetime EP1490271B1 (de) | 2002-03-21 | 2002-03-21 | Ventilvorrichtung für die öffnung eines behälters mit rückbelüftungsmechanik |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1490271B1 (de) |
| AT (1) | ATE306438T1 (de) |
| DE (1) | DE50204565D1 (de) |
| ES (1) | ES2249578T3 (de) |
| WO (1) | WO2003080462A1 (de) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3319836A (en) * | 1966-03-14 | 1967-05-16 | Colgate Palmolive Co | Spill-proof bottle closure |
| US4057177A (en) * | 1977-01-18 | 1977-11-08 | Laauwe Robert H | Valved squeeze bottle for viscous products |
| DE3324097A1 (de) * | 1983-07-05 | 1985-01-24 | Marsteller & Killmann GmbH & Co KG, 4300 Essen | Flasche oder aehnlicher behaelter, insbesondere zur aufnahme von leicht brennbaren fluessigkeiten mit einem schraubverschluss |
| DE9311617U1 (de) * | 1993-08-05 | 1994-09-15 | Wolff, Ernst, 33330 Gütersloh | Verschluß für Behälter mit flüssigem oder pastenförmigem Inhalt |
| ATE225743T1 (de) * | 1998-08-03 | 2002-10-15 | Veresk Biosystems Ltd | Behälterventil |
| DE10109062A1 (de) * | 2001-02-24 | 2002-09-05 | Beiersdorf Ag | Ventilvorrichtung für die Öffnung eines Behälters mit Rückbelüftungsmechanik |
-
2002
- 2002-03-21 AT AT02732509T patent/ATE306438T1/de not_active IP Right Cessation
- 2002-03-21 DE DE50204565T patent/DE50204565D1/de not_active Expired - Fee Related
- 2002-03-21 ES ES02732509T patent/ES2249578T3/es not_active Expired - Lifetime
- 2002-03-21 WO PCT/EP2002/003152 patent/WO2003080462A1/de not_active Ceased
- 2002-03-21 EP EP02732509A patent/EP1490271B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO03080462A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003080462A1 (de) | 2003-10-02 |
| DE50204565D1 (de) | 2006-02-23 |
| EP1490271B1 (de) | 2005-10-12 |
| ES2249578T3 (es) | 2006-04-01 |
| ATE306438T1 (de) | 2005-10-15 |
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