EP0845299B1 - Outlet nozzle for pressurized fluid including a flexible membrane sealing the nozzle outlet channel - Google Patents

Outlet nozzle for pressurized fluid including a flexible membrane sealing the nozzle outlet channel Download PDF

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Publication number
EP0845299B1
EP0845299B1 EP97500208A EP97500208A EP0845299B1 EP 0845299 B1 EP0845299 B1 EP 0845299B1 EP 97500208 A EP97500208 A EP 97500208A EP 97500208 A EP97500208 A EP 97500208A EP 0845299 B1 EP0845299 B1 EP 0845299B1
Authority
EP
European Patent Office
Prior art keywords
membrane
outlet
face
insert
nozzle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP97500208A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0845299A3 (en
EP0845299A2 (en
Inventor
Daniel Osvaldo Portugués
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.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Publication of EP0845299A2 publication Critical patent/EP0845299A2/en
Publication of EP0845299A3 publication Critical patent/EP0845299A3/en
Application granted granted Critical
Publication of EP0845299B1 publication Critical patent/EP0845299B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0072—A valve member forming part of an outlet opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/0064—Lift valves
    • B05B11/0067—Lift valves having a valve seat located downstream the valve element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
    • B05B1/3431—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
    • B05B1/3436—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a plane perpendicular to the outlet axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
    • B05B1/3431—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
    • B05B1/3452—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the cooperating elements being movable, e.g. adjustable relative to one another
    • B05B1/3457—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the cooperating elements being movable, e.g. adjustable relative to one another in response to liquid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
    • B05B1/3405—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl
    • B05B1/341—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3468—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with means for controlling the flow of liquid entering or leaving the swirl chamber
    • B05B1/3473—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with means for controlling the flow of liquid entering or leaving the swirl chamber in response to liquid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
    • B05B11/0005—Components or details
    • B05B11/0062—Outlet valves actuated by the pressure of the fluid to be sprayed
    • B05B11/007—Outlet valves actuated by the pressure of the fluid to be sprayed being opened by deformation of a sealing element made of resiliently deformable material, e.g. flaps, skirts, duck-bill valves

Definitions

  • the present invention refers to the improvements in the outlet nozzles of a pressurized fluid including a flexible membrane sealing the nozzle outlet channel.
  • the present invention refers to improvements in the flexible membranes capable to selectively adjust the hermetic seal in the outlet nozzles of a pressurized fluid, the nozzles of this type being capable to deliver: a spray mist, a sprinkling operation, a gel discreet metering, a distribution of a discreet mass of a cream or pasty liquid, a drop or a gas outlet or a liquid blast, as a function of the nozzle design and of the outcome sought after.
  • Non-exhaustive and simply illustrative examples of these functions are given in the aerosol containers or packages provided with a pump, capable of causing inside, a positive pressure and to deliver the liquid like a fine sprinkling, such as a perfume, etc.
  • the aerosol packages and the packages provided with a pump or a pumping element to distribute its content are extensively known. These packages deliver its content by means of a pump operation or with a gas keeping the content under a positive pressure.
  • the content is allowed to go out; by defining the content, a content column within the package communicating with the outlet head and hence to the atmosphere.
  • the content is distributed through an outlet nozzle.
  • the nozzles include small partition walls perpendicular to the direction of the axis of the outgoing fluid flow provided with a small hole; the partition wall inside face mark the boundaries of the front face of a small chamber within which and from a side clearance, the pressurized fluid arrives.
  • This clearance and said chamber is, at least, achieved with a channel communicating said clearance with said chamber.
  • This channel can be provided with an annular distributor or rather with one or more channels radially or eccentrically relative to the partition wall center being coincident with the outlet hole, so a vortex effect is provided allowing (for instance) the best performance of the sprinkling mist.
  • the partition wall is achieved by means of an inserable part at the nozzle end.
  • the problem facing the manufacturers and users of these arrangements and packages is to provide an effective sealing for the action of the outside atmosphere as relative to the package's content making up said content column; a seal prevents the air contacting said column.
  • the package sealing is achieved in a separated position as relative to said nozzle outlet hole.
  • This seal given as an example of a valve sealing, is located generally inwardly from the nozzle, at an intermediate path, between the own container and at times, is also polymerized by the extended air contact.
  • the content is a lacquer, such as a hair fixing lacquer
  • the lacquer drying is caused within the path, between the nozzle and the valve sealing; an action which puts out the package.
  • this path has a length that can be mostly relevant, this problem as a function of the content features, shows several aspects that have to be overcome.
  • a head structure having basically a coupling for a connecting pipe communicating the outlet head with an internal housing, wherein a coaxial part is located at the housing contiguous to the hole, and defining at least, a side clearance which distributes the liquid and delivers it to a rechamber to which the fluid arrives by means of the already cited channels and when the rechamber is already flown, with or without a rotative motion, the liquid is thrown outside through the nozzle.
  • the improvements in the membrane of the outlet nozzle of a pressurized fluid comprises a flexibly resilient membrane interposed between the outlet partition wall and the remainder of the distributing head by defining a directly sealing relation against the walls of the path of the outlet hole, said package being incorporable to the arrangement of the distributors tip, without forcibly altering its component parts.
  • this nozzle has a plate with an outlet hole communicating with an outlet duct, said plate having a collecting channel and eventually forming an outlet vortex of the propelled fluid, the plate being retained by an insert defining laterally, at least, a path for said package content, characterized in that a flexibly resilient membrane is interposed between the internal face of said plate and the face of the opposed insert, said membrane having at the central part of it an active face leaning against the internal face of the central plate, a dome-flared shaped projection defining, at the membrane opposite face, an additional recess; said membrane being pressed against the plate internal face by said insert, and a hermetic seal is determined at its two respective faces in the areas of the so-squeezed membrane; said dome-flared projection is sealed against the internal walls of the outlet channels defining an annular seal with it, while being selectively movable by the content pressure incident against the membrane active face and said membrane forming against the insert face
  • outlet plate being (1a) the outlet hole and (1b) the outlet channel communicating the plate external face with the plate internal face (1c).
  • This internal face (1c) may have, at least, one of the channels (1a) communicating with the collecting chamber (1g) at its inside end, with the annular distributor (1e) at the other end.
  • This distributor (1e) communicates with the paths (2a) of the insert (2); the arrows of figure 2 showing the forward direction of the pressurized content.
  • the present invention is characterized for having a flexible and resilient membrane (3) pressed at its lower face (3a) (see figure 4) by the insert (2), whereas at its upper face (3b) is pressed against the free surfaces or faces (1) (see figure 1) which are limiting the channels (1a).
  • the pressure which is pushed against said faces (3a) and (3b) of the membrane (3) is conveniently higher than the fluid pressure raising from the channels (2a-1d) to prevent undesirable leakages.
  • the membrane (3) which at its central parts of its upper surface or face (3b) defines its active face and is leaning against the central plate internal face has a dome-flared projection (3c), defining in the membrane opposite face, an additional recess or cavity (3d) facing the free surface (2b) of the insert (2) (see figure 4).
  • This dome (3c) seats, at least, with a part of its surface against the outlet channel (1b) with a relation of hermetic seal at its resting position and is originated against the insert face (2b) and the cavity (3d) of the face (3a), while the chamber (3e) is matching with the recess (3d).
  • This chamber (3e) is full of air and hermetical at its perimeter by the pressure of the insert wall (2b) against (3a).
  • the fluid to be distributed goes forward to the channels (2a), as already said, under pressure from the tank or reservoir, it goes then into the distributor (1g) and penetrates into the channels (1d). There smoothly presses against the dome-flared projection (3c) distorting it towards the insert face (2b), i.e. compressing the air contained in the housing or chamber (3e)
  • the membrane for one thing, is by itself flexibly resilient, it does return to its original position when just the fluid positive pressure ceases pushing and for another thing, the membrane returns being aided by the air pressure within this chamner (3e).
  • Figure 3 allows to see a possible distribution of said membrane
  • figure 4 illustrates a differentiated wall-thicked membrane (3f) with a dome of less decreasing resistance
  • the left-hand part of the same figure shows a section of the constant membrane (3), however, with a face (2c) of the insert (2) having a depression opposing the cavity (3d).

Landscapes

  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Bag Frames (AREA)
  • Reciprocating Pumps (AREA)
EP97500208A 1996-11-29 1997-11-28 Outlet nozzle for pressurized fluid including a flexible membrane sealing the nozzle outlet channel Expired - Lifetime EP0845299B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AR10542396 1996-11-29
ARP960105423 AR001305A1 (es) 1996-11-29 1996-11-29 Mejoras en boquillas, de salida de un fluido a presión que incluye una membrana flexible, obturadoradel canal de salida de dicha boquilla.

Publications (3)

Publication Number Publication Date
EP0845299A2 EP0845299A2 (en) 1998-06-03
EP0845299A3 EP0845299A3 (en) 1999-01-13
EP0845299B1 true EP0845299B1 (en) 2003-05-21

Family

ID=36955974

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97500208A Expired - Lifetime EP0845299B1 (en) 1996-11-29 1997-11-28 Outlet nozzle for pressurized fluid including a flexible membrane sealing the nozzle outlet channel

Country Status (6)

Country Link
EP (1) EP0845299B1 (es)
AR (1) AR001305A1 (es)
AT (1) ATE240787T1 (es)
BR (1) BR9705594A (es)
DE (1) DE69722142T2 (es)
ES (1) ES2200142T3 (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2792552B1 (fr) 1999-04-20 2002-04-19 Valois Sa Tete de pulverisation de produit fluide comportant un obturateur ameliore
DE19919461A1 (de) * 1999-04-29 2000-11-02 Elias Russegger Verschließbare Düse
EP1331036A1 (en) * 2002-01-24 2003-07-30 Daniel Osvaldo Portugués A flexible membrane as an outlet channel stopper
GB0305583D0 (en) 2003-03-11 2003-04-16 Glaxo Group Ltd A fluid dispensing device
GB0309354D0 (en) 2003-04-24 2003-06-04 Glaxo Group Ltd Nozzle for a nasal inhaler
DE102012212466A1 (de) * 2012-07-17 2014-01-23 Siemens Aktiengesellschaft Luftkanalsystem für ein Schienenfahrzeug des Personenverkehrs
ES2940738B2 (es) * 2021-11-10 2023-09-12 Decam Tech Solutions 2000 S L Sistema antigoteo de boquilla con membrana

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2524348A1 (fr) * 1982-03-30 1983-10-07 Ramis Michel Vaporisateur pompe

Also Published As

Publication number Publication date
ES2200142T3 (es) 2004-03-01
DE69722142T2 (de) 2004-04-08
ATE240787T1 (de) 2003-06-15
EP0845299A3 (en) 1999-01-13
DE69722142D1 (de) 2003-06-26
AR001305A1 (es) 1997-10-08
BR9705594A (pt) 1999-09-08
EP0845299A2 (en) 1998-06-03

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