EP2013115B1 - Récipient sous pression à manchon interne - Google Patents

Récipient sous pression à manchon interne Download PDF

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Publication number
EP2013115B1
EP2013115B1 EP07724566A EP07724566A EP2013115B1 EP 2013115 B1 EP2013115 B1 EP 2013115B1 EP 07724566 A EP07724566 A EP 07724566A EP 07724566 A EP07724566 A EP 07724566A EP 2013115 B1 EP2013115 B1 EP 2013115B1
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EP
European Patent Office
Prior art keywords
inner sleeve
base
plunger
closure
dispenser
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
EP07724566A
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German (de)
English (en)
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EP2013115A1 (fr
EP2013115B9 (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.)
Werner Hans Juergen
Original Assignee
Werner Hans Juergen
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Filing date
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Application filed by Werner Hans Juergen filed Critical Werner Hans Juergen
Priority to PL07724566T priority Critical patent/PL2013115T3/pl
Publication of EP2013115A1 publication Critical patent/EP2013115A1/fr
Application granted granted Critical
Publication of EP2013115B1 publication Critical patent/EP2013115B1/fr
Publication of EP2013115B9 publication Critical patent/EP2013115B9/fr
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    • 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
    • B65D83/682—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them the products being first separated, but finally mixed, e.g. in a dispensing head
    • B65D83/687—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them the products being first separated, but finally mixed, e.g. in a dispensing head the products being totally mixed on, or prior to, first use, e.g. by breaking an ampoule containing one of the products

Definitions

  • the invention relates to a pressure cell with a frame, a valve disposed in a dome, a bottom and an inner sleeve disposed on the bottom, wherein the inner sleeve a cylindrical sleeve wall, a closure, a bottom element and a slidably disposed in the inner sleeve and with its end through the Floor element protruding plunger and the bottom element has a guide for the plunger and a holding part, which is guided through the bottom of the pressure cell and fixed thereto.
  • the plunger cooperates with a release element arranged outside the pressure box.
  • the invention relates in particular to pressurized cans for two-component aerosol systems, as used, for example, for two-component assembly foam systems.
  • Such pressure cans in addition to the main component, which is required for the manufacture and application of polyurethane foams or paints, in the inner sleeve to a second component, which reacts with the main component to the finished product, the actual foam or paint.
  • the invention can also be used for other two-component formulations, for example in surface technology and for adhesives.
  • the substances contained in the pressure vessels are usually liquid and consist of a prepolymer, customary additives and the liquid under pressure propellant gas, which is required for discharging the contents of the pressure vessel and as a foaming agent.
  • the other component is in one Inner sleeve is present in a relatively small amount and usually consists of a fast-reacting with the main component compound in polyurethane prepolymers with reactive isocyanate groups, for example, a crosslinker in the form of a hydroxy compound or an amine, optionally together with catalysts.
  • the component in the inner sleeve is used to influence the curing and quality of the product, usually to accelerate the curing.
  • the second component is introduced into the pressure cell shortly before the can contents are dispensed by opening the inner container and mixed therein by shaking. The finished mixture must then be applied within a defined time to prevent the curing of the prepolymer in the can.
  • a pressure cell is known with a formed by forming a metal molded part one-piece bottom, in which is provided in a recess of the externally threaded neck of an additional container and with the aid of a screwed on the outside nut under deformation of an O-ring seal between a shoulder of the Additional container and the inner edge of the bottom recess is braced.
  • the guided in turn by a piston-shaped seal in the interior of the additional container and sealed rod is designed as a shaft which rotates in the 1925 hereerhals and is supported inside on this. If the shaft is driven from the outside, this leads to the positive engagement of its inner end with the lid of the additional container, which is thereby pressed against the internal pressure in the outer space of the can.
  • the starting point of the invention is the WO 85/00157 A1 , which describes a pressure cell for dispensing two-component Schaumsentnem. Inside this pressure box, a second component receiving additional container is arranged.
  • the auxiliary container has a lid which can be blasted over a guided through the bottom of the pressure cell into the interior of the additional container rod.
  • the rod is movably mounted within the additional container and guided by a seal arranged in the bottom plate of the can bottom.
  • Both pressure sockets according to the prior art require a relatively complex construction or assembly.
  • the container suffers according to DE 82 27 229 U under the relatively complicated mechanics. Although the breaking off of the lid against the relatively large internal pressure of the container is forced by the rotational movement of the rod, this is relatively laborious and requires a great deal of effort for the sealing system.
  • both pressure sockets according to the prior art system-related sealing problems which is based on the - after filling with propellant gas - automatically building pressure difference between the outer space and the inner sleeve.
  • This also contributes to the fact that the inner sleeve can not be filled without air and sealed.
  • this pressure difference is essentially due to the fact that the outer prepolymer penetrates into the inner sleeve. While slow, this process is small in volume and does not interfere with the actual chemical reaction that leads to curing.
  • a problem is the reaction product, which deposits in the area of the seals and in particular in the area of the lid and leads to sticking and hardening.
  • the cover of the inner sleeve of a 2-component pressure cell is hydraulically blasted off.
  • the inner sleeve contents is pressurized with a stamp from the outside, whereby the pressure propagates through the inner sleeve space towards the cover and breaks it off.
  • the problem of the pressure difference between inner tube content and outer space content is solved by allowing the outer space content to enter the space of the inner sleeve below the stamp and to provide pressure equalization via the plunger.
  • hardening reactions occurring here on the lid and stamp also lead to a bond which, after a certain period of storage, makes it difficult or impossible to break off the lid.
  • the invention is therefore based on the object, the pressure cell according to WO 85/00157 A1 or according to DE 102 60 117 educate so that the parts of the inner sleeve can be easily assembled to a captive and absolutely tight unit.
  • the sealing problem occurring between the outer space of the pressure cell and the inner sleeve due to the pressure difference which is necessarily occurring should be defused and finally a reliable separation of the closure of the inner sleeve can be achieved.
  • Such cans are made of tinplate or aluminum; in tinplate cans the can bottom is crimped to the frame and usually has still a central bottom plate which receives the inner sleeve, aluminum cans frame and bottom are made in one piece, wherein the inner sleeve is fixed in a central recess of the bottom.
  • closure side is understood to mean that side of a part which faces the inner container closure.
  • bottom side is that end which points away from the closure side. In general, therefore, “bottom side” refers to the end of a part that faces the bottom of the can, but only as long as this part or end is inside the pressure cell.
  • An essential element for the maintenance of the functionality of the inner sleeve is their equipment with a yielding membrane, which - after filling the inner sleeve with the second component under atmospheric pressure - ensures that the pressure difference between the interior of the inner sleeve and the inner space of the pressure cell, which substantially the filling with the propellant gas is determined is compensated.
  • the filling of the inner sleeve with the second component is never 100%; There is always a certain amount of compressible gas.
  • the elastic membrane or film is suitable to yield under the pressure of the propellant gas in the pressure can interior and to bring about pressure equalization.
  • this yielding zone is an elastically formed wall segment which is characterized, for example, by a significantly smaller wall thickness.
  • the wall may preferably have a window, which is sealed with an elastic film or membrane.
  • Suitable for this example are plastic films, including metallized plastic films. Such plastic films can be applied for example by ultrasonic welding.
  • yielding is referred to in this context a property that allows a significant yielding of the sealing film under the external pressure, without this ruptures or leaking.
  • the sealing film is dimensioned such that it has "fabric reserve" in the region of the window, for example a drape of folds or a bulge which allows the sealing film to be enveloped or bulged under pressure from the outside into the interior of the inner sleeve.
  • the yielding zone can be arranged on the end side of the inner sleeve.
  • the end face can be glued or sealed, for example, with a film, wherein the end-side sealing film is formed analogous to the film used for the sealing of the window. Again, it is preferably an ultrasonically welded metallized plastic film.
  • This end-side sealing film can be connected in any suitable manner with the end face of the sleeve wall, for example by gluing or Enduktionssch spaen.
  • the front-side closure of the sleeve may be a conventional closure, which is pressed out of the inner sleeve by the plunger.
  • the inner sleeve for pressure equalization on a sealed with sealing film window.
  • the inner sleeve may also have such a sealing foil on the front side as a closure.
  • the end-side sealing film is connected via a locking ring with the sleeve wall, for example by ultrasonic welding.
  • the sealing film may have previously been bonded to this closure ring by gluing, welding or otherwise.
  • a further preferred embodiment has, in addition to the closure ring, a retaining ring, which in turn is connected to the sealing film.
  • This retaining ring is in turn connected via a membrane or an annular web to the closure in such a way that this membrane or web completely ruptures under the action of a force exerted on the retaining ring.
  • This force can be exerted for example via a crown, which is plugged by means of a recording on the plunger of the trigger mechanism and acts with its edge on the retaining ring.
  • the relatively tight connection of the sealing film in the retaining ring prevents the film over the opening of the open inner sleeve lays or in front of the valve. Likewise, the ejected rigid crown can not interfere with the exit of the sleeve contents into the siphon and the pressurized can contents into the valve.
  • the construction of the closure of locking ring, annular web, retaining ring and inner sealing foil which has the necessary elasticity or fabric reserve for pressure equalization, has manufacturing advantages in that a prefabrication of the closure and the subsequent welding of the finished closure with the inner sleeve is possible.
  • the crown is designed as a cutting crown, which is suitable for cutting the sealing film on the end face of the inner sleeve.
  • the sealing film is stretched over the end region of the inner sleeve or within the closure ring; Too much elasticity is more of a hindrance to cutting the film with the teeth of the cutting bit.
  • the cutting bit preferably has a toothed ring which, after the inner sleeve has been triggered, first perforates the foil and then, starting from the perforations, cuts open, separates and holds it within the toothed rim.
  • the cutting crown is designed so that it is pushed out after the release of the inner sleeve with the captured seal foil cutout from the inner sleeve and enters the outer space of the pressure cell.
  • the cutting crown is provided with the ring gear on the bottom side with a receptacle into which engages the closure end of the plunger. In this way, the composite of the two parts is secured, as long as they are in the closed inner sleeve.
  • the ram arranged in the inner sleeve is substantially rod-shaped, so that it offers as little resistance as possible to the inner sleeve contents during outflow. It may have lateral guide elements which produce a defined distance from the inner sleeve wall, for example in the form of rods or spokes or spokes connected to the ram rings. It is essential that the ram construction does not hinder the exit of the sleeve contents into the outside space.
  • the plunger is subdivided into a rod-shaped plunger element, which is located in the interior of the inner sleeve, and a bottom-side trigger member which extends through the sleeve bottom and bottom of the can through to the outside and there establishes the connection to the trigger element.
  • a rod-shaped plunger element which is located in the interior of the inner sleeve
  • a bottom-side trigger member which extends through the sleeve bottom and bottom of the can through to the outside and there establishes the connection to the trigger element.
  • the plunger element at its bottom end or the trigger part on the closure side have a receptacle in which engages the end of the other part.
  • a limiting element is necessary, which is arranged for example as an extension in the trigger part of the plunger and cooperates with a in the leadership of the inner container inside circumferential projection.
  • the plunger In the resting state of the pressure cell, the plunger is then with its limiting element on the projection. After triggering the can, the plunger moves towards the inner sleeve closure, but returns under the pressure prevailing in the pressure cell to its original position.
  • the sealing of the inner sleeve in the region of the bottom element is expediently brought about by the fact that the limiting element has an elastic seal. It can also be designed as a seal overall.
  • the limiting element on its periphery circumferentially on sealing lips, which act against the inner surface of the guide. It is understood that the guide in the region in which the extension is effective with the sealing element, has a larger cross section than in the region which passes through the bottom of the can and represents the actual guide.
  • the guide is thus extended on the closure side to the diameter of the limiting element.
  • the inner sleeve has on the bottom side on the bottom element next to the guide on a holding part.
  • Guide and holding part protrude through the bottom of the can through to the outside, wherein the guide has the function of receiving and guiding the plunger and in particular its trigger part and the holding part assumes the holding function for the inner sleeve.
  • the holding part surrounds the guide concentric at least over part of its length. In general, the holding part protrudes on the bottom side beyond the guide.
  • the cylindrical sleeve wall can have one or more areas that are less rigid and yield elastically under pressure. This is for internal pressure equalization in the system; the inner sleeves are filled and closed under normal conditions. Since an air-free filling and closing is not possible, with a rigid inner sleeve pressure equalization can only be done via penetrating from the outer space in the inner sleeve material. This tendency for subsequent filling can be compensated by the elastic configuration of one or more regions of the inner sleeve. Care must be taken to ensure that the pressure-giving areas do not conflict with the guides of the ram.
  • metallized films or induction films are used as the sealing film.
  • Induction films can be welded by induction on the object to be sealed and are usually composed of several layers of plastic and metal foils.
  • Induction films are particularly widespread in the food industry, but are also used for sealing containers with water-pulling or flammable liquids.
  • metallic films which can be welded by ultrasound.
  • the inner sleeve is preferably made of plastic. Particularly suitable are polypropylene, but also polyamide grades which better withstand the aromatic solvents frequently used in two-component paints.
  • the inner sleeve is fixed to the bottom of the pressure cell.
  • the plunger or the triggering part of the plunger protrude through the bottom element of the plunger and out of the bottom of the can.
  • the bottom end of the plunger engages frictionally in the recording of a triggering element, which is triggered by hand.
  • the trigger element is, for example, a release button, which causes the release of the inner sleeve and the release of the inner sleeve contents when actuated.
  • the holding part of the bottom element can on the bottom side - outside the pressure cell - have a thread on which a thumbscrew can be screwed as a triggering element.
  • the trigger element is provided with the receptacle into which the bottom end of the plunger or trigger part protrudes.
  • the inner sleeve In pressure cans made of tinplate, the inner sleeve is usually fixed to a base plate, which in turn is crimped into the bottom of the can.
  • a base plate which in turn is crimped into the bottom of the can.
  • the inner sleeve is thereby clamped in the bottom plate, wherein an outer circumferential region of the bottom element and the projection serve as an abutment.
  • sealing lips are provided in this content salaried area, which act against the inside of the bottom plate. But it is also readily possible to inject the holding part to the bottom plate.
  • the inner sleeve is clamped in a recess of the pressure box bottom.
  • the inner sleeve with its holding part through guided this recess and secured with a retaining element, such as a clamping ring, on the underside of the box on the holding part.
  • the holding part can have, for example, a circumferential groove for fixing the clamping ring. The tightness is preferably ensured by a sealing washer between bottom of the can and bottom element of the inner sleeve.
  • a fixing that serves to fix a pedestal, but also to guide the trigger element.
  • a fixing element is for example approximately bell-shaped or hemispherical and is anchored, for example via the above-mentioned clamping ring or the like in the region of the recess.
  • the pressure cell according to the invention may have a base, which serves in particular to surround the triggering element and enclose that an unwanted triggering is difficult and to increase the stability.
  • a base which serves in particular to surround the triggering element and enclose that an unwanted triggering is difficult and to increase the stability.
  • bottom of the base can be plugged onto the Krimpwülste or seams, in the case of a trailed soil in aluminum cans, the base is usually attached to the above-mentioned fixing.
  • FIG. 1 shows the closure end of an embodiment of an inner sleeve, as used in the invention.
  • the inner sleeve 5 has a cylindrical outer wall 6, which is closed at the end with a closure 7.
  • the closure 7 is connected via a closure ring 7a with the end face 6a of the wall 6 of the inner sleeve.
  • the connection is a welded connection, suitably produced by ultrasonic welding.
  • the closure 7 further consists of a retaining ring 7b, which is connected via a membrane or an annular web 7c with the locking ring 7a.
  • the diaphragm 7c is designed to rupture from the inside of the inner sleeve upon application of force to the retaining ring 7b; For this purpose, a thickness of 0.20 mm is generally sufficient for polypropylene as a material.
  • the sealing film 17 is, for example, a metallized plastic film, such as polypropylene, the made in one piece with the rings 7a and 7b and then metallized.
  • a plunger 9 is arranged, which ends in a receptacle 9 a.
  • this recording 9a projects a projection 14 of the crown 13, which can be moved over the plunger 9 in the direction of the closure 7.
  • the edge of the crown 13 acts against the underside of the retaining ring 7b of the cover 7 such that upon actuation of the plunger 9, the crown 13 is pressed against the retaining ring 7b, which leads to the rupture of the membrane 7c between the rings 7a and 7b and to the expulsion of the separated part of the lid 7 with the sealing film 17 and the crown 13 in the pressure can interior.
  • FIG. 1 shows the inner sleeve 5 in a pressureless state with corrugated sealing film.
  • FIG. 1a shows the inner sleeve with pressure-tight sealing film 17,
  • FIG. 1b the opened inner sleeve with ejected crown 13 and detached membrane 17 together with retaining ring 7b.
  • FIG. 2 shows a sectional view of the lower part of a pressure cell 1 according to the invention with inserted inner sleeve 5.
  • the pressure cell itself is shown with the lower part of its frame 2 and the vaulted bottom 3.
  • the vaulted bottom 3 is crimped to the lower end of the frame 2.
  • the bottom plate 4 In the center of the bottom 3 is the bottom plate 4, which is crimped in a conventional manner with the bottom 3.
  • the bottom plate 4 has a complex curved shape with an outward - ie to the outside of the pressure cell facing - inner edge 4a, a flat central part 4b and also outwardly facing outer edge on which merges into the Krimpnaht with the bottom 3.
  • the inner sleeve 5 which consists essentially of a frame 6, serving as a closure, here stretched sealing film 17 and a bottom element 8.
  • the bottom element 8 has a guide 10 in the center and a holding part 11 in the outward-pointing (bottom-side) region.
  • the bottom element 8 itself has on the bottom side an outer circumferential circular recess 8a, which is located on the flat central portion 4b of the Floor plate 4 is supported. Below the recess 8a, the holding part 11 connects, which has a circumferential projection 11b which extends substantially parallel to the recess 8a.
  • the outwardly facing inner edge 4a of the bottom plate 4 engages behind the projection 11b of the holding part 11 and fixed in this way the inner sleeve 5 in its position in the center of the bottom plate. 4
  • circumferential sealing lips 11c which act against the outwardly directed portion 4a of the bottom plate and seal the pressure cell to the outside.
  • the plunger 9 itself consists of a plunger element 9c and a trigger part 9d.
  • the trigger part 9d is located in the guide 10 of the bottom element 8 and is mounted with its closure-side end in a bottom-side receptacle 9e of the plunger element 9c.
  • guide rods 9b At the bottom and at the closure end of the plunger element 9c are guide rods 9b, which ensure the central position of the plunger 9 in the inner sleeve.
  • the plunger 9 engages in a receptacle 14 of the cutting bit 13.
  • the cutting crown 13 itself has approximately the shape of a spoked wheel and is provided on the rim with a sprocket.
  • the sprocket is suitable to puncture the sealing film 17 after triggering the plunger and cut in a circle.
  • the cut-out foil circle is then held within the seal crown and repelled into the outer space of the pressure cell. A sealing film floating freely in the outer space could cause the valve access to be blocked.
  • the sealing film 17 is glued or welded on the end face 6a of the sleeve frame 6. It consists of an induction film, ie a metallized plastic film, which can be welded to an opening via an induction process in a manner known per se. Such induction films are particularly suitable because of their metallization, hermetically sealed cavities, ie gas and solvent tight.
  • the inner sleeve 5 as shown in FIG. 2 has a window 16 that is closed with a sealing film 17.
  • the sealing film 17 is set elastically, ie, it can yield under the pressure prevailing in the outer space of the pressure cell and cause a pressure equalization. Since it is practically not possible to fill and close the inner sleeve without air or gas inclusions, such a compensation mechanism is useful and necessary, in particular to prevent pressure equalization via a diffusing material from the outside space. This is especially true for aerosol cans containing solvents with high creep or penetration for plastics.
  • the trigger part 9d of the plunger 9 is mounted in the guide 10 of the bottom element 8. It has approximately in the middle of a limiting element 9g that rests on an internally circumferential projection 15 of the guide 10 and prevents the trigger member is pushed out of the sleeve under the pressure prevailing in the pressure cell.
  • the limiting element 9g has a collar with sealing lips 12, which acts against the inner wall of the guide 10 in its closure-side region. It is understood that the guide 10 in this area 10a has an expanded cross section corresponding to the cross section of the limiting element 9e.
  • the guide 10 In the bottom part of the guide 10, d. H. bottom side to the projection 15, the guide 10 has a smaller cross section, which corresponds to the cross section of the bottom end 9f of the trigger part 9d.
  • the trigger part 9d emerges from the inner sleeve 5 and pressure cell 1 and protrudes into the cavity formed by the bottom of the can 3 in order to frictionally engage with its bottom end 9f in the receptacle 21 of the trigger element 20.
  • the holding part 11 of the bottom element 8 projects from the recess 8a through the bottom plate 4 in the space formed by the bottom of the can 3.
  • This travel limit can be done on the one hand on the lower end of the holding part 11 and the bottom of the release button 20, on the other hand on the upper (shutter side) end of the receptacle 21 and the bottom end of the guide 10, as in the case shown.
  • a base 24 which engages around the Crimean rim between the frame 2 and the bottom of the can 3 and is fixed thereto form fit.
  • the base 24 has a central recess in which the release button protrudes.
  • the foot 24 protects the one hand, the trigger button 20 against unwanted operation and increases the other the stability of the pressure cell.
  • the holding member 11 is provided in the region of its bottom end with a thread 11a, which is irrelevant in the embodiment shown, but allows a variant of the trigger mechanism, in which the trigger member 9d is driven by means of a thumb screw in the inner sleeve.
  • This embodiment is in FIG. 3 shown.
  • the inner sleeve can be used for both variants.
  • the embodiment according to FIG. 3 differs from the according to FIG. 2 only in the trigger mechanism in the bottom area of the pressure box, which includes a turntable. Construction and function of the inner sleeve are otherwise as in FIG. 2 shown and described.
  • FIG. 3 protrudes the trigger part 9 d with its bottom end 9 f in the receptacle 21 of the turntable 20, which is equipped in this case with a sleeve 26 with internal thread, which cooperates with the external thread 11 a of the holding part 10.
  • the sleeve 26 In unausquentem state, the sleeve 26 is in a lower position relative to the holding part 10.
  • the wing 25 By operation of the wing 25, the sleeve 26 can be further screwed up on the holding part 10 and takes over the recording 21, the trigger part 9d.
  • the plunger 9 acts on the cutting crown 13, which cuts the film 17 circular and is ejected with the film in the outer space of the pressure cell 1.
  • the advantage of this embodiment is that the plunger is fixed in the retracted position and in this way a "falling back" of the cutting crown with the cut-out part of the sealing film 17 is reliably prevented in the upper opening of the inner sleeve 5.
  • the pressure box also here has a base 24 which surrounds the trigger mechanism and protects against external impact.
  • the base 24 is naturally tuned to the dimension of the trigger element 20. It is understood that instead of a single-wing screw 20, a two-leaf screw can be used.
  • FIG. 4 shows a variant of the invention, which is adapted to a pressure box with raised bottom 3.
  • the pressure cell 1 with its frame 2 merges seamlessly into the bottom 3, which has a central recess 3a into which the holding part 11 of the inner sleeve 5 is inserted.
  • a clamping ring 18 fixes the sleeve 5 below the bottom 3 in the region of the recess 3a.
  • the pressure cell in the bottom region on a bell-shaped fixing element 23 which is held with the clamping ring 18 in its position immediately adjacent to the bottom element 3 concentric with the recess 3a.
  • the fixing element 23 serves to fix the base 24, which can not be attached directly to the box for lack of crimping.
  • the fixing serves as an outer guide for the release button 20, which acts in the same way on the plunger 9, as in FIG. 2 shown. It is understood that this variant can be provided with a turntable release.
  • FIG. 5 shows a further variant of the closure end of an inner sleeve, as used in the invention.
  • the inner sleeve has a cylindrical outer wall 6, which has the closure 7 on the front side.
  • the closure 7 is connected via a closure ring 7a to the end face 6a of the wall 6 connected to the inner sleeve.
  • the connection is a welded connection, suitably produced by ultrasonic welding.
  • the closure 7 consists of a retaining ring 7b, which is connected via a membrane or annular web 7c with the locking ring 7a.
  • the diaphragm 7c is designed so that the force acting on the retaining ring 7b tears it out of the interior of the inner sleeve.
  • the crown 13 has on the bottom side an extension 14, which, as in FIG. 1 shown in a receptacle of the plunger 9 ends.
  • FIG. 6 shows a detail of the representation of FIG. 5 to clarify the interaction of closure 7 and crown 13.
  • the closure ring 7a and the retaining ring 7b are connected to each other via the membrane 7c, which has a dividing line T as a weakened zone in the illustrated case.
  • T is the dividing line along which the retaining ring tears off the locking ring when the crown 13 moves in the direction of the sealing foil 17.
  • a circumferential projection V on the crown 13 serves to assist the tearing and severing process by acting against the lower edge 7d of the retaining ring 7b when the deployment is initiated by the upward movement of the crown 13. *** "
  • FIG. 7 shows a pressure cell according to the invention with the bottom portion and the inserted inner sleeve after the triggering.
  • Crown 13 and sealing film 17 with retaining ring 7b are already outside of the inner sleeve 5, the locking ring 7a remains on the front side of the sleeve wall 6.
  • the crown 13 has a pointing to the bottom side extension 14 with lateral guide rods 14b, via a recording with the plunger 9 interacts.

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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)
  • Nozzles (AREA)

Claims (15)

  1. Récipient sous pression (1) pour systèmes aérosols bicomposants, en particulier pour systèmes de mousse de montage bicomposants, avec un corps (2), une vanne placée dans un dôme, un fond (3) et un manchon intérieur (5) placé sur le fond (3), dans lequel le manchon intérieur (5) est muni d'une paroi (6) de manchon cylindrique, d'une fermeture (7), d' un élément de fond (8) ainsi que d' un poinçon (9) placé mobile dans le manchon intérieur (5) et formant saillie avec son extrémité (9f) à travers l'élément de fond (8), et l'élément de fond (8) présente un guidage (10) pour le poinçon (9) et une partie de maintien (11) qui passe à travers le fond (3) du récipient sous pression (1) et y est fixée, le poinçon (9) coopérant avec un élément déclencheur (20) placé à l'extérieur du récipient sous pression,
    caractérisé en ce que le manchon intérieur (5) présente au moins une zone flexible pour la compensation de pression entre l'intérieur du récipient et l'espace du manchon, sous la forme d'une feuille de scellement (17) qui présente une réserve de matière sous la forme d'un plissement ou d'un bosselage, qui permet à la feuille de scellement (17) de se courber sous l'effet de la pression de l'extérieur vers l'espace intérieur du manchon intérieur (5).
  2. Récipient sous pression selon la revendication 1, caractérisé en ce que la zone flexible est formée par une feuille de scellement appliquée sur la face frontale (6a) de la paroi (6) du manchon.
  3. Récipient sous pression selon la revendication 1 ou 2, caractérisé en ce que la feuille de scellement (17) est une feuille en matière plastique métallisée ou une feuille composite plastique/métal.
  4. Récipient sous pression selon l'une des revendications 2 ou 3, caractérisé en ce que le poinçon (9) est relié de manière amovible à une couronne (13) qui présente, côté fond, un logement (14) pour l'extrémité (9a) du poinçon côté fermeture.
  5. Récipient sous pression selon la revendication 4, caractérisé en ce que la fermeture (7) présente une bague de fermeture (7a) qui est soudée sur la face frontale (6a) de la paroi (6) du manchon et dans laquelle est placée la feuille de scellement souple.
  6. Récipient sous pression selon la revendication 5, caractérisé en ce que la fermeture (7) présente, à l'intérieur de la bague de fermeture (7a), une bague de maintien (7b) qui est reliée à la bague de fermeture par une jonction annulaire à barre (7c), la couronne (13) agissant en cas de déclenchement sur la bague de maintien (7b) pour la séparer de la bague de fermeture.
  7. Récipient sous pression selon la revendication 5 ou 6, caractérisé en ce que la paroi (6) du manchon est soudée par ultrasons frontalement (6a) à la bague de fermeture (7a).
  8. Récipient sous pression selon l'une des revendications précédentes, caractérisé en ce que le poinçon (9) est divisé en un élément de poinçon (9c) en forme de barreau et une partie de déclenchement (9d) côté fond.
  9. Récipient sous pression selon la revendication 8, caractérisé en ce que la partie de déclenchement (9d) côté fond s'engage dans un logement (9e) côté fond de l'élément de poinçon (9c) en forme de barreau.
  10. Récipient sous pression selon l'une des revendications précédentes, caractérisé en ce que le poinçon (9) présente un élément de limitation (9g) qui coopère avec un gradin (15) s'étendant côté intérieur dans le guidage (10).
  11. Récipient sous pression selon la revendication 10, caractérisé en ce que le guidage (10) s'élargit, côté fermeture, jusqu'au diamètre de l'élément de limitation (9e).
  12. Récipient sous pression selon la revendication 11, caractérisé en ce que l'élément de limitation (9e) présente un joint élastique (12) qui agit contre la paroi intérieure de la partie élargie du guidage (10).
  13. Récipient sous pression selon l'une des revendications précédentes, caractérisé en ce que la partie de maintien (11) présente, de manière périphérique, une saillie concentrique (11b) derrière laquelle s'engage un bord intérieur d'un disque de fond (4) tourné vers l'extérieur, disque qui est serti, avec son bord extérieur, au fond (3) du récipient.
  14. Récipient sous pression selon la revendication 13, caractérisé en ce que des lèvres d'étanchéité (11c), disposées côté fermeture par rapport à la saillie (11b) et s'étendant de manière concentrique, coopèrent avec le bord intérieur tourné vers l'extérieur du disque de fond (4) du fond (3) du récipient.
  15. Récipient sous pression selon l'une des revendications 1 à 12, caractérisé en ce que le manchon intérieur (5) est serré avec l'élément de maintien (11) dans un évidement (3a) du fond (3) du récipient.
EP07724566A 2006-04-25 2007-04-25 Récipient sous pression à manchon interne Active EP2013115B9 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07724566T PL2013115T3 (pl) 2006-04-25 2007-04-25 Pojemnik ciśnieniowy z nabojem

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006018986 2006-04-25
DE102006056280A DE102006056280A1 (de) 2006-04-25 2006-11-29 Druckdose mit Innenhülse
PCT/EP2007/003636 WO2007122001A1 (fr) 2006-04-25 2007-04-25 Récipient sous pression à manchon interne

Publications (3)

Publication Number Publication Date
EP2013115A1 EP2013115A1 (fr) 2009-01-14
EP2013115B1 true EP2013115B1 (fr) 2011-11-16
EP2013115B9 EP2013115B9 (fr) 2012-04-04

Family

ID=38480482

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Application Number Title Priority Date Filing Date
EP07724566A Active EP2013115B9 (fr) 2006-04-25 2007-04-25 Récipient sous pression à manchon interne

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EP (1) EP2013115B9 (fr)
AT (1) ATE533704T1 (fr)
DE (1) DE102006056280A1 (fr)
PL (1) PL2013115T3 (fr)
WO (1) WO2007122001A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016009235A1 (fr) 2014-07-18 2016-01-21 FAZEKAS, Gábor Joint d'étanchéité et procédé de fabrication pour ce dernier
US9926129B2 (en) 2014-12-10 2018-03-27 Orientus Industry Sdn. Bhd. Single hole single action aerosol can

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102502061B (zh) * 2011-12-28 2014-12-03 德晋（香港）控股有限公司 泡沫泵
ES2698364T3 (es) * 2014-07-11 2019-02-04 Fazekas Gabor Dispositivo de almacenamiento, recipiente dotado del mismo y procedimiento de fabricación del dispositivo de almacenamiento
CN105966781A (zh) * 2016-07-06 2016-09-28 中国人民解放军第七五医院 一种半自动混合双组份喷罐
DE102019113778A1 (de) 2019-05-23 2020-11-26 Gábor Fazekas Druckdose mit Innenhülse

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Publication number Priority date Publication date Assignee Title
DE3322811C2 (de) 1983-06-24 1996-12-12 Miczka Silvia Behälter, insbesondere Druckdose zum Ausbringen von ein- oder mehrkomponentigen Substanzen
JPS60158073A (ja) * 1984-01-26 1985-08-19 株式会社柏化学工業 混合型エアゾ−ル用容器
DE3405065A1 (de) * 1984-02-13 1985-08-22 F.P.D. Future Patents Development Co. S.A., Luxemburg/Luxembourg Vorrichtung zum herstellen und verspruehen einer aus wenigstens zwei komponenten, z. b. fluessigkeiten, und einem treibgas bestehenden mischung
US4641765A (en) * 1984-10-05 1987-02-10 Diamond George B Expandable pressurized barrier container
US5167347A (en) * 1991-04-22 1992-12-01 Clairol Incorporated Multi-fluid mixing and automatic metering dispenser
JP4290297B2 (ja) * 1999-12-17 2009-07-01 エア・ウォーター・ゾル株式会社 混合型エアゾール用容器
DE20209319U1 (de) * 2002-06-15 2002-11-07 Bueka Chemie Gmbh Reaktionsmittelbehälter für Schaumstoffkartuschen
DE10260117A1 (de) 2002-12-19 2004-07-01 Peter Kwasny Gmbh Druckdose zum Mischen und Ausbringen zweikomponentiger Werkstoffe
DE102004024777A1 (de) * 2004-05-17 2005-12-15 Fazekas, Gàbor Druckdose mit Innenhülse

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016009235A1 (fr) 2014-07-18 2016-01-21 FAZEKAS, Gábor Joint d'étanchéité et procédé de fabrication pour ce dernier
US9926129B2 (en) 2014-12-10 2018-03-27 Orientus Industry Sdn. Bhd. Single hole single action aerosol can

Also Published As

Publication number Publication date
WO2007122001A1 (fr) 2007-11-01
EP2013115A1 (fr) 2009-01-14
EP2013115B9 (fr) 2012-04-04
DE102006056280A1 (de) 2007-10-31
PL2013115T3 (pl) 2012-08-31
ATE533704T1 (de) 2011-12-15

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