EP3044123B1 - Soupape pour matière solide - Google Patents

Soupape pour matière solide Download PDF

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Publication number
EP3044123B1
EP3044123B1 EP14783551.6A EP14783551A EP3044123B1 EP 3044123 B1 EP3044123 B1 EP 3044123B1 EP 14783551 A EP14783551 A EP 14783551A EP 3044123 B1 EP3044123 B1 EP 3044123B1
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EP
European Patent Office
Prior art keywords
valve
stem
solids
valve body
sealing
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.)
Active
Application number
EP14783551.6A
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German (de)
English (en)
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EP3044123A1 (fr
Inventor
Mihály RIDEG
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.)
FAZEKAS, GABOR
WERNER HANS JUERGEN
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Individual
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Priority to PL14783551T priority Critical patent/PL3044123T3/pl
Publication of EP3044123A1 publication Critical patent/EP3044123A1/fr
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Publication of EP3044123B1 publication Critical patent/EP3044123B1/fr
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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
    • B65D83/44—Valves specially adapted therefor; Regulating devices
    • B65D83/48—Lift valves, e.g. operated by push action
    • 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
    • B65D83/75—Aerosol containers not provided for in groups B65D83/16 - B65D83/74
    • B65D83/752—Aerosol containers not provided for in groups B65D83/16 - B65D83/74 characterised by the use of specific products or propellants
    • 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
    • B65D83/28—Nozzles, nozzle fittings or accessories specially adapted therefor
    • 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
    • B65D83/68—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them

Definitions

  • the invention relates to a solids valve for pressure cans, in particular for the application of assembly foams, with a valve body arranged in a valve plate, a stem guided in a central recess of the valve body with at least one inlet opening for the pressure can contents which can be released by actuating the stem, and at least one outlet opening, one elastic element acting on the stem and between valve disk and valve body and between sealing elements acting between valve body and stem.
  • the solids valves can be used in particular for the application of assembly and sealing foams from aerosol cans, but are generally suitable for all types of aerosol cans from which materials with a solids content are applied, for example also for the application of paint, adhesive, sealants and cleaning agents .
  • Assembly foams in particular polyurethane foams and foams made of comparable materials, have found a large field of application in technology. They are used in construction to fasten elements such as window frames, door frames and other prefabricated parts, to close openings and to foam cavities and pockets. They are widely used for heat and sound insulation. They are also suitable for preventing condensation with subsequent corrosion in cavities filled with it.
  • Prepolymers contained in a pressure vessel are mostly used for foam formation, which often harden through the action of moisture, in particular atmospheric moisture. After the mixture of blowing agent and foaming agent has been released, a reaction takes place between the prepolymer and the moisture contained in the air. This leads to the formation of a permanent foam. Depending on the moisture content of the air, curing takes place in a more or less short time. If the air humidity is high, curing takes only a few minutes. The same applies to silane-terminated polyurethane foams. Two-component foams also contain a separate crosslinker component in the pressure cell.
  • a sealing problem also arises in the area of the application aid for the stem.
  • a sealing problem is often less than optimal sealing fit of a seal arranged on the application aid or on the stem. If the seal is arranged on the stem, this is often also caused by the movement of the stem when the valve is actuated. If the seal provided on the stem is too hard, the sealing effect is lacking. However, if it is soft for an optimal sealing effect, this counteracts the valve actuation for the can activation.
  • the DE 44 43 287 A1 describes a valve arrangement in which the stem is made integrally from an inner hard and an outer soft part.
  • Poppet valves are known in which the valve closure element is connected via a helical spring to a holding part as an abutment.
  • the holding part protrudes freely into the interior of the pressure vessel.
  • the spring is inserted between the holding part and the valve closure element and ensures its tight fit on the valve plate.
  • the holding part and spring are fully accessible for the media to be dispensed.
  • This mixture of propellant and prepolymer leaves the pressure container when the valve closure element is actuated and reaches the area of the spring and its holding part.
  • the pressure on the valve closure element decreases, the spring presses it again against the valve plate, so that no further mixture can escape. Mixture that is still in the valve chamber is discharged by the propellant.
  • poppet valves with spring mechanism are well suited for connection to spray guns. However, they have the disadvantage that sooner or later the function of the spring is impaired or even blocked, because moisture diffuses into the valve mechanism and leads to polymer formation in the spring area. As a result, the pressure vessel can either no longer be emptied in a controlled manner or becomes leaky and blows off in an uncontrolled manner.
  • sealing sections are provided on the circumference of the valve closure element. These have at least one elastically deformable, disk-shaped section which protrudes radially from the closure element and rests against the valve seat under deformation.
  • the sealing and closing element are made of one cast and consequently from one and the same material. For the deformation, these elements require a certain elasticity, which on the other hand limits the contact forces and reduces the tightness.
  • the object of the invention is therefore to provide a valve which avoids the disadvantages of conventional valves described above. It is intended to protect against the ingress of moisture into the valve area in the pressure vessel. At the same time, application aids such as spray guns must be able to be connected. It should have a simple structure and ensure high operational reliability. In particular, the valve should have an optimized sealing seat in the region of the outlet opening of the stem.
  • the invention proposes, starting from the valve of the type mentioned, that the stem has a sealing sleeve for sealing against a dispensing aid, which is arranged in the region of the outlet opening and is anchored in a circumferential recess in the stem, the sleeve consisting of two Parts consist of two-component injection molding, the upper part of which is made of a thermoplastic elastomer and the lower part of which is made of hard thermoplastic.
  • the valve enables the pressure can to be connected to a conventional spray gun without any problems.
  • the valve according to the invention has, with the sealing elements acting between the valve body and stem, and the elastic element, which is at least partially designed as a molded body, two independent sealing elements which make it more difficult to introduce moisture into the valve and at the same time ensure a secure sealing seat on the receptacle of an application aid.
  • can side and “valve side”, as used in the description and the claims, mean, in an alignment along the central axis of a pressure can, the end of a part facing the pressure can (can side) or that pointing out of the can End of a part (valve side).
  • the solids valve for pressure cans has a conventional valve plate which has a circular central recess.
  • the valve disk generally has a trough-shaped profile between the recess and the outer edge with a raised inner edge on which the valve body is fixed.
  • valve body itself can be injection molded onto the valve plate in a manner known per se, ie the raised inner edge of the valve plate is located inside the valve body.
  • valve body is adapted to the shape of the valve plate has a rising edge which engages over the inner edge of the valve plate with an outwardly pointing projection.
  • the Valve body on an outward-facing area that picks up the contour of the valve plate and clings closely to it.
  • the projection which points outwards and extends over the inner edge of the valve plate, secures the valve body on the valve plate.
  • An edge encircling the outside of the valve body on the can side can be provided to stabilize the shape, as can a further edge further inside, approximately at the level of the edge rising on the valve side.
  • valve body has concentrically circumferential sealing lips in the contact area with the valve plate, which bring about an additional seal.
  • sealing lips are preferably arranged in such a way that they act on an inwardly rounded region of the valve plate at the foot of the rising inner edge.
  • the valve body has a central recess in which the stem of the valve is guided. At the edge of this central recess on the can side there is at least one concentrically circumferential sealing lip which acts against a sealing seat arranged on the stem.
  • the valve body preferably has at least two sealing lips in this area.
  • the sealing seat of the stem is a concentric extension with a conical or curved outer profile arranged at the can end of the stem. When the valve is closed (the stem is in the rest position), the sealing lips act against this concentric enlargement and close off the inlet openings provided on the stem at the end on the can side against the inside of the can.
  • the valve body expediently has two or more sealing lips which act in this manner and are oriented essentially parallel to one another and parallel to the course of the stem on the sealing seat of the stem.
  • the stem of the solids valve according to the invention is arranged movably in the central recess of the valve body.
  • the valve body guides the stem with its inner wall abutting the outer wall of the stem and enables vertical actuation.
  • the stem In the rest position, the stem is in an upper position, in which the sealing lips of the valve body seal against the sealing seat on the stem (rest position).
  • the sealing effect of the sealing lips against the sealing seat ceases and the inlet openings for the prepolymer arranged at the end of the stem on the can side are freely accessible from the inside of the can (working position).
  • the stem has in particular an upper outlet opening, which enables the prepolymer / propellant gas mixture to exit freely in the working position.
  • the valve according to the invention has an elastic element that enables the valve to be reset from the working position to the rest position.
  • This elastic element can be a rubber-elastic element on the one hand, but also a spring element on the other. In the case of a spring element, this is preferably arranged in the stem area outside the pressure cell.
  • the elastic element can also consist of a combination of a conventional coil spring and a rubber-elastic material that acts against the valve body.
  • the elastic element is supported with its rubber-elastic part on the can end, preferably in a concentric extension of a central recess in the valve body.
  • the rubber-elastic material is, for example, a thermoplastic elastomer.
  • the elastic element is supported with its spring part, for example on the underside of the sealing sleeve, and at the end on the can side in a circumferential recess of the rubber-elastic part.
  • the elastic element fulfills two functions. On the one hand, this is the spring function to return the stem to the rest position.
  • rubber-elastic means that the element, like rubber, develops a restoring force.
  • the elastic element can serve as a sealing element. This sealing effect occurs in the can-side area of the elastic element between the valve body and stem; here the foam leakage is prevented, especially when the valve is open between the valve body and the stem guided therein.
  • the elastic element is supported on the can side on the valve body and on the valve side on the sealing sleeve or on the stem. Pressing in the stem leads to compression of the elastic element and thus to an intensification of the sealing effect in the area of the valve body.
  • the elastic element has at least one molded part consisting of a rubber-elastic material, but can also be an overall molded part made of such a rubber-elastic material.
  • a preferred material for this is a plastic, in particular a thermoplastic elastomer (TPE), which enables the production by injection molding.
  • TPE thermoplastic elastomer
  • the elastic element can also consist of several parts, as stated.
  • the elastic element concentrically surrounds the stem of the solids valve according to the invention.
  • the elastic element consists of a one-piece molded part, it is expedient to provide a groove or recess in the can-side area all around in the inner wall, which is intended to accommodate displaced volume when the elastic element is compressed.
  • This groove or recess is expediently surrounded by two adjacent beads, which are supported against the stem and, in particular, bring about an increased sealing effect when compressing the elastic element.
  • the elastic element has an upper helical spring, which is either integrated into a rubber-elastic element or reinforces it. Integrated means that the coil spring is completely or partially injected into the rubber-elastic element or is permanently connected to it in some other way.
  • the elastic element can therefore consist of two or more parts, one of which is such a helical spring.
  • the coil spring is one made of a common spring steel.
  • the valve body and stem are expediently made from a polyalkylene, for example from polypropylene.
  • the sealing sleeve which serves to seal the valve or the pressure cell against a dispensing aid, is formed in two parts.
  • the lower part on the can side consists of a hard, thermoplastic material, while the upper part consists of a soft, rubber-elastic material, in particular a thermoplastic elastomer.
  • the upper part on the valve side provides the sealing effect with respect to the application aid, in particular with respect to a spray gun.
  • the two parts of the sealing sleeve are made in one piece by 2K injection molding (dual injection molding), so that they form a unit.
  • the hard thermoplastic part can provide a firm fit on the stem, while the soft rubber-elastic part brings about the sealing effect without being released from the seat under compression or being pushed over the hard part.
  • the hard thermoplastic part is fitted into a circumferential recess or groove in the stem.
  • Preferred materials for the hard thermoplastic part are polyalkylenes, for example polyethylene or polypropylene, and polyoxymethylene.
  • the hard thermoplastic part of the sealing sleeve expediently also serves as an abutment for the elastic element, in particular for a helical spring, which engages in a circumferential groove arranged there.
  • This groove is surrounded by a circumferential edge and serves as a receptacle for the valve-side end of the coil spring.
  • the lower hard part of the sealing sleeve has a vertically circumferential concentric projection, which is bordered by the upper rubber-elastic part.
  • the rubber-elastic part is thus supported and stabilized on the inside by a hard thermoplastic core. This measure can also improve the fit of the rubber-elastic part of the sealing sleeve on the lower hard part and prevents detachment.
  • the sealing collar can have a chamfer running around the upper edge in the rubber-elastic part in order to better adapt it to the receptacle of a spray gun or other dispensing aid.
  • a sealing collar manufactured in a two-component injection molding process with an upper rubber-elastic and a lower hard thermoplastic In addition to the improved sealing effect, part has the advantage that it can be used as a resilient bearing for a coil spring.
  • the elastic element necessary for the valve reset if it consists solely of a rubber-elastic material, is in many cases not sufficient to reliably close the pressure cell again after use. In this case, the introduction of a spring element, for example in the form of a coil spring, is required.
  • the attachment of such a spring element at the can end of the valve can, however, be problematic because of the already mentioned tendency towards the incorporation of polymers.
  • the lower hard part of the sealing sleeve now enables the arrangement of a coil spring on the valve outside the pressure cell.
  • the invention further relates to a sealing sleeve of the type described here for use on the stem of a pressure valve.
  • Figure 1 shows in section the dome part of an aerosol can with a crimped solids valve according to the invention.
  • the solids valve is crimped onto the dome of the can via the valve plate 1, the valve plate with its crimp edge 15 reaching over and around the upper edge of the can dome.
  • the valve disk 1 itself has a central recess around which a channel-shaped or trough-shaped central part 11 rotates. On the inside, the valve plate is delimited by the rising edge 12, on the outside the tub rises to the Crimean rim 15.
  • valve body 2 Inside the valve plate 1 is the valve body 2, in the central round recess of which the valve stem 3 is guided.
  • the valve body 1 is fixed via a rising edge 24 with an outwardly projecting projection 25 on the rising inner edge 12 of the valve plate 1; an outwardly facing round surface 26 nestles against the underside of the trough 11 of the valve plate 1.
  • the shape of the valve body 2 is stabilized by the outer edge 26 encircling the can side.
  • the valve body 2 has the necessary sealing means in order to ensure the tightness of the valve with respect to the valve disk 1 around the stem 3.
  • the foot 31 serves as a sealing seat and is a concentric extension of the stem 3. In the rest or closed position of the stem shown here, the sealing lips 23 act against the foot 31 and prevent the contents of the can from entering the inlet opening 33 ( Fig. 6 ) of the stem 3.
  • the valve body 2 On the valve side, ie facing outwards, the valve body 2 has a concentric recess 27 which adjoins the rising edge 24 and serves to receive the foot part 41 of the rubber-elastic part 4.
  • the stem 3 is guided in the central recess 21 of the valve body 2 and has a central bore 34 which is closed at the bottom and serves as an outlet channel for the contents of the can.
  • the stem 3 On the can side, the stem 3 has at least one lateral opening 33 which serves as an inlet opening for the can contents. In the illustrated rest position of the valve, this inlet opening 33 is closed by the sealing action of the lips 23 of the valve body 2 against the sealing seat 31 of the stem. When the valve 3 is pressed in, the lips 23 lose their sealing effect and the contents of the can can enter and exit the channel 34 via the inlet opening 33.
  • the stem 3 generally has at least two inlet openings 33.
  • the stem 3 has a circumferential recess 32 in which a sealing collar 5 is fixed.
  • the sealing sleeve 5 consists of an upper rubber-elastic part 5a, which consists of a thermoplastic elastomer and a lower part 5b, which is made of a hard thermoplastic. The lower hard part is fitted into the recess 32 of the stem 3.
  • the upper part 5a and the lower 5b of the sealing sleeve 5 are firmly connected to one another by two-component injection molding.
  • a vertically running concentric projection 51 of the hard part 5b of the sealing sleeve 5 projects into the rubber-elastic part 5a. This means that this projection 51 is surrounded on the inside and outside with rubber-elastic material.
  • a chamfer 52 in the area of the upper edge of the sealing sleeve 5 serves to adapt to the contours of a dispensing aid.
  • the elastic element consists on the one hand of the rubber-elastic part 4 and on the other hand of the helical spring 43, which is supported at the can end in a circumferential groove 44 of the rubber-elastic part 4 and at the upper end against a projection 53 of the lower part 5b of the sealing sleeve 5.
  • the sealing sleeve is thus on the one hand abutment of the elastic element and on the other hand part of the sealing system for application aid.
  • valve body 2 has a vertically running and circumferential apron 28 which has a plurality of openings 29 through which the foaming agent to be discharged can pass.
  • Fig. 2 shows the valve body 2 with its rising edge 24 and the projection 25 pointing outwards.
  • the valve body has the sealing lips 22 which act against the valve disk 1 (not shown).
  • the shirt 28 projecting downward and having the openings 29, which facilitate the entry of the foaming agent, can be clearly seen.
  • the sealing lip 23, which acts against the foot 31 of the stem 3, can also be seen.
  • Fig. 3 shows the stem 3 of Figure 1 with the inlet openings 33 and reinforcing ribs 33 'in the lower region.
  • the foot 31 of the stem 3 has a conically widening part 35.
  • the sealing lips 23 of the valve body 2 act on the one hand against the conically widening part 35 and also against the foot 31 of the stem 3.
  • Fig. 4 shows the rubber-elastic part 4 of the elastic element.
  • the circumferential projection 41 can be seen, which is supported in the groove 27 of the valve body 2.
  • the rubber-elastic element 4 and the valve body 2 represent separate parts which are movable relative to one another, which improves the sealing effect.
  • Fig. 5 shows the sealing sleeve 5 with its upper rubber-elastic part 5a and the lower, hard part 5b.
  • the rubber-elastic part 5a has a chamfer 52 at the end region, the hard part 5b a circumferential projection 53, against which the in Figure 1 coil spring 43 supports.
  • the arrow marks the dividing line between the rubber-elastic part 5a and hard part 5b.
  • Fig. 6 shows a section Fig. 1 from a 45 ° offset angle.
  • the inlet openings 33 in the stem 3 and the reinforcing ribs 33 ′ arranged between the inlet openings 33, which meet in the center of the stem 3, can be seen.

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  • 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)

Claims (11)

  1. Soupape pour matières solides pour des boîtes sous pression, en particulier pour la distribution de mousses de montage, comprenant un corps de soupape (2) disposé dans un plateau de soupape (1), une tige (3) guidée dans un évidement central (21) du corps de soupape (2), avec au moins une ouverture d'entrée (33) pouvant être ouverte par actionnement de la tige (3) pour le contenu de la boîte sous pression, et au moins une ouverture de sortie, un élément élastique (4) agissant sur la tige (3) et des éléments d'étanchéité (22, 23) agissant entre le plateau de soupape (1) et le corps de soupape (2) ainsi qu'entre le corps de soupape (2) et la tige (3), la tige (3) présentant un manchon d'étanchéité (5) pour l'étanchéité vis-à-vis d'un auxiliaire de distribution qui est disposé dans la région de l'ouverture de sortie et qui est ancré dans un renfoncement périphérique (32) de la tige (3), et le manchon (5) se composant de deux parties (5a, 5b),
    caractérisée en ce que
    les deux parties du manchon sont assemblées l'une à l'autre par moulage par injection à deux composants, la partie supérieure (5a) du manchon se composant d'un élastomère thermoplastique et la partie inférieure (5b) du manchon se composant d'un thermoplastique dur.
  2. Soupape pour matières solides selon la revendication 1, caractérisée en ce que la partie inférieure dure du manchon (5a, 5b) se compose de polyoxyméthylène (POM), de polypropylène (PP) ou de polyéthylène (PE).
  3. Soupape pour matières solides selon la revendication 1 ou 2, caractérisée en ce que le manchon d'étanchéité (5) est ajusté avec sa partie inférieure dure (5b) dans le renfoncement périphérique (32).
  4. Soupape pour matières solides selon l'une quelconque des revendications 1 à 3, caractérisée en ce que la partie inférieure dure (5b) du manchon d'étanchéité (5) présente une saillie concentrique (51) s'étendant verticalement qui est enchâssée par la partie élastomère supérieure (5a) .
  5. Soupape pour matières solides selon l'une quelconque des revendications précédentes, caractérisée en ce que le manchon d'étanchéité (5) présente au niveau de la partie supérieure (5a) un biseau extérieur périphérique (52).
  6. Soupape pour matières solides selon l'une quelconque des revendications précédentes, caractérisée en ce que le manchon d'étanchéité (5) présente au niveau de sa partie inférieure dure (5b) un bord périphérique (42) qui sert de butée pour un ressort hélicoïdal (43) qui s'appuie pour sa part contre l'élément élastique (4).
  7. Soupape pour matières solides selon l'une quelconque des revendications précédentes, caractérisée en ce que le plateau de soupape (1) présente une portion centrale (11) avec un profil en forme de cuvette et un bord intérieur relevé (12) contre laquelle est fixé le corps de soupape (2) .
  8. Soupape pour matières solides selon l'une quelconque des revendications précédentes, caractérisée en ce que le corps de soupape (2) présente un bord relevé (24) qui s'engage avec une saillie (25) tournée vers l'extérieur par-dessus le bord intérieur (12) du plateau de soupape (1).
  9. Soupape pour matières solides selon l'une quelconque des revendications précédentes, caractérisée en ce que le corps de soupape (2) présente du côté de la boîte un bord (26) périphérique concentrique extérieur stabilisant la forme.
  10. Soupape pour matières solides selon l'une quelconque des revendications précédentes, caractérisée en ce que l'élément élastique (4) s'appuie du côté de la boîte dans un élargissement concentrique (27) de l'évidement central (21) du corps de soupape (2).
  11. Boîte sous pression, en particulier pour la distribution de mousses de montage, comprenant une soupape pour matières solides selon l'une quelconque des revendications précédentes.
EP14783551.6A 2013-09-09 2014-09-09 Soupape pour matière solide Active EP3044123B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL14783551T PL3044123T3 (pl) 2013-09-09 2014-09-09 Zawór do substancji stałych

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201310014788 DE102013014788A1 (de) 2013-09-09 2013-09-09 Feststoffventil
PCT/EP2014/069158 WO2015032963A1 (fr) 2013-09-09 2014-09-09 Soupape en matière solide

Publications (2)

Publication Number Publication Date
EP3044123A1 EP3044123A1 (fr) 2016-07-20
EP3044123B1 true EP3044123B1 (fr) 2020-03-18

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ID=51690349

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14783551.6A Active EP3044123B1 (fr) 2013-09-09 2014-09-09 Soupape pour matière solide

Country Status (4)

Country Link
EP (1) EP3044123B1 (fr)
DE (1) DE102013014788A1 (fr)
PL (1) PL3044123T3 (fr)
WO (1) WO2015032963A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH712324A1 (de) 2016-04-07 2017-10-13 Promotrend Ag Ventil für Druckmittelbehälter.
DE102018113356A1 (de) 2018-06-05 2019-12-05 Gábor Fazekas Beutelventil
BE1026617B1 (nl) 2018-12-20 2020-04-08 Soudal Verbeterde vulling van drijfgas in polyurethaan spuitbussen
BE1026905B1 (nl) 2018-12-20 2020-07-22 Soudal Verbeterde vulling van vloeistoffen in polyurethaan spuitbussen
BE1027892B1 (nl) 2019-12-20 2021-07-26 Soudal Verbeterde vulkop voor de vulling van een vloeistof in bussen
BE1027902B1 (nl) 2019-12-20 2021-07-26 Soudal Verbeterd Vulstation voor het Vullen van Vloeistoffen in Bussen

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DE102007040296A1 (de) 2007-08-24 2009-02-26 Fazekas, Gàbor Feststoffventil

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PL3044123T3 (pl) 2020-09-07
WO2015032963A1 (fr) 2015-03-12
DE102013014788A1 (de) 2015-03-12

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