EP1167842A2 - Soupape pour récipient sous pression - Google Patents

Soupape pour récipient sous pression Download PDF

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Publication number
EP1167842A2
EP1167842A2 EP01114073A EP01114073A EP1167842A2 EP 1167842 A2 EP1167842 A2 EP 1167842A2 EP 01114073 A EP01114073 A EP 01114073A EP 01114073 A EP01114073 A EP 01114073A EP 1167842 A2 EP1167842 A2 EP 1167842A2
Authority
EP
European Patent Office
Prior art keywords
valve
pressure container
container according
pressure
sealing element
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.)
Withdrawn
Application number
EP01114073A
Other languages
German (de)
English (en)
Other versions
EP1167842A3 (fr
Inventor
Ingo Rackwitz
Sepp Juch
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomas GmbH
Original Assignee
Thomas GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE20017879U external-priority patent/DE20017879U1/de
Application filed by Thomas GmbH filed Critical Thomas GmbH
Publication of EP1167842A2 publication Critical patent/EP1167842A2/fr
Publication of EP1167842A3 publication Critical patent/EP1167842A3/fr
Withdrawn legal-status Critical Current

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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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant

Definitions

  • the invention is concerned with a pressure container, in particular in the form of a can, for storage and metered delivery viscous, more viscous and pressurized products with a lockable valve.
  • Such pressure containers are for storage and dosed Dispensing of liquids to be atomized, for example known as spray cans, with a pressure valve on the top is provided that a connection after depressing between the pressurized inside of the can and one Atomizing valve.
  • a pressure valve On the top is provided that a connection after depressing between the pressurized inside of the can and one Atomizing valve.
  • a very small opening cross section is sufficient to to ensure a satisfactory outflow. Is too it is possible with such spray cans, with a pressure filling with 10 bar, for example, the actual valve Upstream pressure reducing valve to keep the operating forces low to keep.
  • problems with such pressure containers with one usually fill volume below a liter and integrated valve occur when viscous, higher viscosity products, such as B. ice cream, sauces or technical products such as B.
  • the object of the present invention is a To create a pressure vessel with an integrated valve that too when absorbing viscous or higher viscosity products valve that is easier to operate.
  • the object is achieved in that the valve designed as a rotary valve and between one the pressure container pressure-tight and an open Issue position is adjustable.
  • the twist lock makes it possible, despite an opening cross-section of the valve, for example 10-15 mm, the operating forces to be kept low because the can pressure is not a moment can exert on the rotatable valve body. Also at a comparatively high internal pressure of the container from for example 10 bar as it is used to expel the viscous or higher viscosity products may be necessary no higher forces diminishing the ease of use.
  • valve against the force of a return spring in its dispensing position is adjustable.
  • the return spring serves to return the valve automatically after releasing it returned to its closed position to prevent undesired excess delivery of product content from the container to avoid.
  • the return spring enables actuation characteristics of the valve with increasing resistance in the opening direction, as the consumers of pressure valves know with conventional spray cans, causing incorrect operation be avoided.
  • the valve has a valve insert, which rotates in a shape in the container wall or recorded in a component rigidly connected to the container is, with at least one inlet opening in the Valve insert in the dispensing position in or overlapping overlapping position with an outlet opening in the component or the container wall.
  • the Valve insert in a correspondingly deep-drawn valve plate be included, it being conceivable that at least an inlet opening of the valve insert in a cylindrical Outer surface and the outlet opening from the container in a cylindrical wall of the valve plate form or alternatively the at least one inlet opening of the valve insert in the circular end face eccentrically and accordingly the outlet opening from the interior of the container eccentric in the circular bottom surface of the valve plate.
  • valve insert in the valve plate of a container, the manufacturing costs to be kept low, since only a comparatively small one Number of components necessary to implement the dispensing valve is.
  • the cross-sectional diameter of the passage opening of the valve insert preferably made of plastic is expediently the viscosity of the in the container adapted product to be included and lies in many Use cases, such as B. when filling with frozen Ice cream, approximately in the range of 10 mm, if one Entry opening is provided.
  • the cross section of the Inlet opening due to the spatial requirements of the valve plate not easily enlarged, it can be expanded of the passage cross-section make sense, at least another inlet opening in the valve insert, for example diametrically opposite the first inlet opening, to provide and also the valve with accordingly to provide at least one further outlet opening. So you can have a sufficient passage cross-section with two inlet openings with one enlarged to approximately 15 mm Diameter of the passage opening of the valve insert is reached become.
  • the diameter can be two entry openings, also smaller or larger than 15 mm, z. B. 10 mm, and smaller or at an inlet opening be larger than 10 mm, e.g. B. 15 mm.
  • valve insert in the valve plate is preferred secured by the fact that in the cylindrical wall of the valve disc radially inward-facing formations are provided, for example in the form of a circumferential Beading or several individual shapes distributed over the circumference. Such forms can be done after assembly the valve insert in the valve plate without much effort produce. However, it is also conceivable that the axial hold of the Valve insert in the valve plate with the help of a separate, component connected to the valve plate or the container ensure, for example, with a the edge of the Valve plates overlapping and connected to this, z. B. latched closing cover.
  • a return spring is preferably a particularly suitable one Coil spring is provided, one of which has a wire end on the valve element and their other wire end on one with the container connected component, for example the valve plate, is set.
  • the setting on the valve plate can, for example by a molding or by a separately component to be attached, whereby the component or the shape also a rotary stop for the valve insert can be trained.
  • a sealing element is preferably provided, the associated outlet opening in the closed position of the container against the corresponding inlet opening in seals the valve core.
  • this sealing element or another sealing element in the Issue position the passage cross-section between the two Openings against the space between the valve insert and seal the container.
  • each opening trained sealing element provided on the one hand in the Closed position against the inlet opening of the valve insert the outlet opening of the container and the rest of the Space between the valve insert and the container or seals the valve plate against the interior of the container.
  • a preferred embodiment of the sealing element provides that this is fixed to the valve insert and an oval Basic shape with two circumferentially adjacent, has circular openings.
  • the commitment to Venfil use can with the help of appropriately trained grooves respectively.
  • Such a design of the sealing element allows for comparatively easy to manufacture all necessary To make seals.
  • sealing lips for System on the wall of the container or the valve plate provided, with two further sealing lips the two circular Connect the sealing lips at a distance from their diameter.
  • the two straight, the two circular sealing lips tangentially connecting sealing lips have the task in a transition position between the closed position and the dispensing position of the valve penetration of the viscous Contents in the gap between the valve insert and the to prevent fixed wall.
  • sealing lips are asymmetrical in cross section with their contact edges designed to point towards the enclosed opening are.
  • the invention also relates to a valve disk which is used for Formation of a pressure container according to the invention with the Rotary valve is pre-assembled.
  • Fig. 1 is a valve 10 for use on a pressure vessel for the admission preferably viscous, more viscous Products shown.
  • the valve consists essentially a valve insert 12 and a valve disk 14, which has a flange at its edge 16 with which it pressure-tight with the help of a sealing washer against an essential cylindrical container housing is sealable.
  • the valve plate 14 made of sheet metal or aluminum is deep-drawn into a cup and has a cylindrical shape Wall area 18 via a circular outlet opening 20, through which the container content to the valve insert 12th can reach.
  • the valve insert 12 is divided into a tubular upper one Section 22 and a cylindrical thickened guide section 24, whose outer diameter is essentially the inner diameter of the cylindrical wall region 18 of the valve disk 14 corresponds.
  • the valve insert is on the inside 12 via an outlet channel 26 with a cross section of approximately 10 mm, in the area of the guide section 24 bends at a right angle and in the area of an entry opening 28 allows a side inlet.
  • a sealing element 32 is accommodated in the valve insert 12 its exact shape and function will be discussed later becomes.
  • the sealing element 32 acts as a seal with the surface of the valve plate 14 together.
  • a segment-like recess 46 allows in the end region of the guide section 24 a turning of the valve insert from the closed position (see Fig. 2 and 3) in the delivery position (see Fig. 1), in which the outlet opening 20 is in the valve plate 14 covers with the inlet opening 28 of the valve insert 12.
  • the stop 44 limits directly or indirectly in both Positions the rotational movement of the valve insert 12, wherein instead of a separate component for forming the stop 44 a corresponding shape is provided in the valve plate can be.
  • valve plate 14 is a sleeve 48 in the area the cylindrical wall 18 of the valve plate is fixed, one axial hold for the guide section 24 represents and prevents its emergence from the valve plate.
  • the separate holding element 48 for example is glued to the valve plate, can also Embodiment of the valve plate 14 according to FIG. 7 with a inward bead 49 in the area of the wall 18 of the Valve plates 14 may be provided which provide the axial support for the guide section 24 of the valve insert 12 against coming out represents.
  • the sealing element 32 is shown in detail. It consists of a one-piece oval body 50, which has a first circular opening 52 and a second has circular opening 54, which is based on the installation position in the groove 30 of the valve insert 12 in the circumferential direction are adjacent.
  • the sealing element 32 consists of a suitable elastomer.
  • the cross-sectional shape of the sealing element results from the in Fig. 5 shown longitudinal section of the sealing element 32.
  • Um the two openings 52, 54 have the sealing element 32 a first to rest on the inner wall of the valve plate 14 or second circular sealing lip 56 or 58, the asymmetrically formed contact edges 60, 62 to each Point out openings 52, 54.
  • Between the two circular ones Sealing lips 56, 58 are two rectilinear sealing lips 64, 66 formed, the distance equal to the diameter of the openings 52, 54 and which corresponds to the space between the two circular sealing lips 56, 58 tangential to the sealing lips Limit 56, 58 adjacent.
  • the space between the rectilinear sealing lips 64, 66 and the circular sealing lips 56, 58 can be filled in or open.
  • Fig. 6 is the installation and the sealing effect of the sealing element shown as an enlarged detail of FIG. 1.
  • the Sealing element in the undeformed state can also be seen that the sealing lip in the area of the contact edge 62 elastically through the wall of the valve plate 14 is pressed inside, so that a particularly good system and thus give a good sealing effect.
  • the glasses-like design of the sealing element ensures that the area between the guide section 24 and the wall of the valve plate 14 largely protected from the ingress of filling material in the container is so that without, for example, an O-ring over the Circumference of the outer surface of the guide portion 24 a good Sealing effect is achieved and the operating forces cannot increase by penetrating material.
  • the tubular upper section 22 can be used for relief a lever 70 or the like is arranged during the opening process be connected to the pipe section 22, for example, is glued, for example.
  • valve 110 shows a further embodiment of a valve 110 shown, which in turn essentially consists of one in one Valve plate 114 seated valve insert 112, wherein the valve plate 114 has an edge 116 with a flange.
  • the valve plate 114 has in its wall region 118 however, over two diametrically opposed circular ones Outlet openings 120, 121.
  • the valve insert accordingly 112 in its cylindrical thickened guide section 124 via two inlet openings 128, 129, which with the outlet openings 120, 121 are brought into alignment can, with suitably formed grooves 130 in the valve insert 112 sealing elements 32 are included, their shape and function as in the previously described embodiment corresponding sealing elements 32 corresponds.
  • one the inlet opening of the previously described embodiment is the diameter of the outlet channel 126 corresponding to the overall enlarged cross sectional entry area expanded to approximately 15 mm so that with this described embodiment with otherwise the same Pressure ratios an increased volume flow is made possible which is an advantage for very tough materials, for example can be.
  • the embodiment shown in Figs. 8 and 9 also shows differences in the axial locking of the Valve insert 112 on the valve plate 114 and the position the coil spring 136 also provided as a return spring on.
  • Valve insert 112 on the valve disk Due to the different way of determining the Valve insert 112 on the valve disk also results different assembly process. While at the in Fig. 1-3 embodiment shown first of the valve insert 112 is pre-assembled with the valve plate 114 and this then by flanging the edge 116 with the container is connected to that shown in Figs. 8 and 9 Valve 110 first of all valve plate 114 with the can body connected and finally the pre-assembled valve insert 112 with the help of the closing cover 148 on the flanged Edge 116 of the assembled valve plate 114 locked.
  • valve insert is designed 112 basically independent of the choice of fastening, d. H. a valve insert with two inlet openings can also with the help of a bead or a holding element to be anchored in the valve plate during use with only an entrance opening with one of course Closing cover according to FIGS. 8 and 9 fixed on the valve plate can be. If the outer circumference of the guide section 124 of the valve insert 112 is sufficient to also to provide appropriate sealing elements, three or four entry openings can be provided, for example with reduced diameter.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
EP01114073A 2000-06-26 2001-06-09 Soupape pour récipient sous pression Withdrawn EP1167842A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE20010793U 2000-06-26
DE20010793 2000-06-26
DE20017879U 2000-10-18
DE20017879U DE20017879U1 (de) 2000-06-26 2000-10-18 Druckbehältnis mit verschließbarem Ventil

Publications (2)

Publication Number Publication Date
EP1167842A2 true EP1167842A2 (fr) 2002-01-02
EP1167842A3 EP1167842A3 (fr) 2002-12-11

Family

ID=26056339

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01114073A Withdrawn EP1167842A3 (fr) 2000-06-26 2001-06-09 Soupape pour récipient sous pression

Country Status (1)

Country Link
EP (1) EP1167842A3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003068632A1 (fr) 2002-02-13 2003-08-21 Thomas Gmbh Contenant sous pression pour substances visqueuses
BE1016138A3 (nl) * 2002-11-25 2006-04-04 Cruysberghs Rudiger Cilindervormige verpakking.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101561051B (zh) * 2008-04-18 2010-12-08 陈振明 水龙头复合结构

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1537284A (en) * 1922-03-09 1925-05-12 Hiram J Ayers Draw-off valve for ice-cream apparatus
US3540694A (en) * 1968-01-05 1970-11-17 Cornelius Co Dispensing valve assembly
US4421297A (en) * 1981-11-02 1983-12-20 Pongrass Robert G Self-closing fluid dispensing valves
GB2202032B (en) * 1987-03-09 1990-09-26 Craig Med Prod Ltd Tap for drainage bag
FR2756347B1 (fr) * 1996-11-27 2000-04-14 Marcon Christian Vanne a boisseau cylindrique

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003068632A1 (fr) 2002-02-13 2003-08-21 Thomas Gmbh Contenant sous pression pour substances visqueuses
US7278557B2 (en) 2002-02-13 2007-10-09 Nestec S.A. Pressure container for viscous substances
BE1016138A3 (nl) * 2002-11-25 2006-04-04 Cruysberghs Rudiger Cilindervormige verpakking.

Also Published As

Publication number Publication date
EP1167842A3 (fr) 2002-12-11

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