EP1742855B1 - Tete de pulverisation pour l'atomisation d'un fluide - Google Patents

Tete de pulverisation pour l'atomisation d'un fluide Download PDF

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Publication number
EP1742855B1
EP1742855B1 EP05716022A EP05716022A EP1742855B1 EP 1742855 B1 EP1742855 B1 EP 1742855B1 EP 05716022 A EP05716022 A EP 05716022A EP 05716022 A EP05716022 A EP 05716022A EP 1742855 B1 EP1742855 B1 EP 1742855B1
Authority
EP
European Patent Office
Prior art keywords
holding
spray head
section
duct
holding element
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP05716022A
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German (de)
English (en)
Other versions
EP1742855A1 (fr
Inventor
Rüdiger Belau
Lutz Maske
Campbell Patrick
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.)
Boehringer Ingelheim Microparts GmbH
Original Assignee
Boehringer Ingelheim Microparts GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Boehringer Ingelheim Microparts GmbH filed Critical Boehringer Ingelheim Microparts GmbH
Publication of EP1742855A1 publication Critical patent/EP1742855A1/fr
Application granted granted Critical
Publication of EP1742855B1 publication Critical patent/EP1742855B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B65D83/16—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 characterised by the actuating means
    • B65D83/20—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 characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
    • B65D83/205—Actuator caps, or peripheral actuator skirts, attachable to the aerosol container
    • B65D83/206—Actuator caps, or peripheral actuator skirts, attachable to the aerosol container comprising a cantilevered actuator element, e.g. a lever pivoting about a living hinge

Definitions

  • the invention relates to a spray head for atomizing a medium having the features of the preamble of claim 1.
  • a spray head is placed on a spray can and triggered by a simple pressure on an actuating mechanism, so that the medium is discharged in a spray.
  • a valve is known in which the medium is atomized by a capillary tube without a nozzle or atomized.
  • the known valve is designed for flow rates of 0.5 g / s to 0.01 g / s.
  • the WO 03/051522 A1 describes how to dimension the capillary tube of the valve in order to spray the atomized medium. Result of the use of the capillary tube is that at atmospheric pressure only a volume ratio of 1:50 to 1: 5000 for the ratio of medium to propellant gas is required. Thus, little propellant is needed and the spray can be designed with a small volume.
  • nozzle-free atomization of liquid media by means of a capillary tube has been known for decades ( US 2,592,808 A ).
  • a Sprühkopfisson a holding device having an inlet opening, an adjoining, closed channel portion and an adjoining bent by 90 ° holding portion.
  • the holding device also includes an actuating element of the spray head body, which forms the complementary component to the holding section.
  • the channel element designed as a capillary tube is nozzle-less and leads to a nebulization of the medium by the transport in the capillary tube and the exit from the same.
  • the actuator and the holding portion are pressed by a tension spring up against a stop. Thereby, the actuator and the holding portion are held in abutment against each other. Only in this way is the channel element fixed in the holding section. This has mounting technical disadvantages because it must be mounted under the pressure of a tension spring practically. These difficulties in assembly strike particularly because a designed as a capillary channel element is damaged quickly irreparable. The reject rate during assembly of such a spray head should be high.
  • the teaching is based on the problem of optimizing the known, previously explained spray head assembly technology.
  • the described construction with at least one clamping element allows the channel element, in particular the capillary tube, to be fixed in advance in the holding section of the holding element, ie to be clamped or latched, and thus to handle the channel element together with the holding element during assembly without it is damaged. It is also possible to first mount the retaining element. Then, the channel element can be easily inserted into the channel portion of the support member and then jammed or locked in the holding section. Also in this respect, therefore, a prefixing takes place.
  • the teaching of the invention is realized in that the holding portion has at least one pair of jaws comprising the channel member.
  • the channel element protrudes at the upper end over the holding portion, as it is already the case at the starting point.
  • the holding section has at least one opening on a side facing away from the bend.
  • the retaining element preferably has a closed channel section running in the longitudinal direction of the spray head body into which the channel element is inserted. Furthermore, the retaining element preferably has a cylindrical receiving portion for a seat of a valve. Conveniently, the channel portion has one or more circumferential retaining projections, which clamp the channel element without reducing its inner diameter.
  • the holding element additionally has a projection which has a rear wall running in the longitudinal direction of the spray head body, which is arranged approximately in the region of the holding section.
  • the rear wall has at the side facing away from the outlet opening a recess which is bounded laterally by walls facing away from the outlet opening.
  • the spray head body has a projection facing the retaining element, which bears flat against the rear wall of the projection in the recess on the side walls.
  • the spray head body has at least one second projection, which rests against the rear wall on the side facing the outlet opening.
  • the spray head body has at least one contact surface, which bears against the retaining element. The force is transmitted from the actuating element via the holding element to the valve via the contact surface.
  • the spray head body preferably has connecting means which hold the retaining element in this.
  • the connecting means have two mutually facing projections with projecting lugs, which engage behind the holding element near the outlet opening of the channel element.
  • the connecting means are preferably designed as snap means, so that the holding element can snap into the SprühkopfMech with the inserted channel element.
  • Fig. 1 shows a cross-section through the spray head according to the invention with a spray head body 10, a holding member 12 and a channel member 14.
  • the spray head body 10 has a mounting ring 16 with inwardly projecting projections 18 with which the mounting ring 16 to a spray container (not shown) can be attached.
  • the spray head body 10 further has an actuating element 20 with an actuating trough 22.
  • the holding element 12 has an inlet opening 24, a subsequent channel section 26 and a subsequent holding section 28.
  • the holding section 28 is bent by 90 ° and is additionally supported by a wall 30.
  • the holding element 12 also has a projection 32 with a rear wall 34 (see also Fig. 2 to 5 ).
  • the projection 32 is open on its side facing the actuating recess 22 side.
  • a channel element 14 Inserted into the holding element 12 is a channel element 14 in the form of a capillary tube.
  • the capillary tube 14 is used for atomization of the mixture of medium and blowing agent, wherein the mixture may have further constituents.
  • the capillary tube 14 is not necessarily made of the same plastic material as the support member 12 and / or the spray head body 10, but may be made of a softer and more flexible material.
  • FIG. 3 shows the holding member 12 with the channel portion 26.
  • the channel portion 26 has in the region of the inlet opening 24 a portion having a retaining projection 36 for receiving a valve seat.
  • the retaining projection 36 is followed by a cylindrical holding section 38. Subsequently, the diameter widened in a portion 39 and is subsequently limited by a holding portion 40 which widens conically on the side facing away from the inlet opening 24 side.
  • the channel portion 26 further has a receiving region 42 for the capillary tube 14.
  • the capillary tube 14 is in the inserted state on the projection 36.
  • the end facing away from the inlet opening 24 of the channel portion 26 has a conical extension 46, to which the projection 32 connects to a rear wall 34.
  • the approach 32 has approximately cuboid shape, cf. Fig. 4 wherein the rear wall 34 is bounded by two side walls 35 to form a recess. In the inserted state, the capillary tube 14 is guided through the projection 32.
  • the holding portion 28 is then angled at approximately 90 ° to the conical extension 46. How out Fig. 5 it can be seen, the holding portion 28 is formed open at the side facing away from the bend, wherein a recess for receiving the channel member 14 forms with a rounded base. Spaced apart from one another, three clamping elements 50 extending in the longitudinal direction of the holding element 12 are provided in the holding section 28 in the form of projections which hold the inserted capillary tube 14 in the holding section 28 by longitudinal ribs 51.
  • Fig. 6 the spray head body 10 is in the cut Fig. 1 shown in perspective.
  • the projection 52 projecting into the spray head body 10 and abutting against the rear wall 34 is cut centrally.
  • the projection 52 is connected at the rear to a wall 53 projecting from the spray head body 10 in the longitudinal direction of the holding portion 28.
  • a projection 54 visible at the outlet opening which extends like the wall 53 in the direction of the holding portion 28 and in Fig. 8 is shown from the front.
  • a second projection 55 Adjacent to the projection 52, a second projection 55 is provided which extends parallel to the first projection 52, but is shorter.
  • the projection 52 has a wedge-shaped in cross-section. In the assembled state, the rear wall 34 is located between the projections 52 and 55, whereby the holding member 12 is held securely even when actuated.
  • Fig. 8 shows a detailed view in the region of the outlet opening 62 with a slot 63.
  • Snap tabs 56 define a partially circular opening.
  • the retaining element 12 is snapped and held in the region of the holding portion 28 near the outlet opening between the snap lugs 56.
  • Lead 54 (see. FIGS. 6, 7 ) abuts the channel element 14 from above.
  • Slit 63 facilitates, on the one hand, the mounting of the retaining element 12 and, on the other hand, allows viscous media to flow back to a droplet forming at the opening of the channel element 14 and not to dry in the channel element 14.
  • Fig. 7 shows a section through the spray head body 10.
  • two spaced-apart projections 58 are provided, each having on their sides facing each other contact surfaces 60 in the form of a paragraph.
  • the projection 52 protrudes beyond the projection 32 and rests flat against the rear wall 34.
  • the projection 58 has two locking elements 59, each with a contact surface 60, which bear against the side wall of the projection 32.
  • a force is exerted on the actuating recess 22. Via the projection 58 and the contact surface 60, the force is transmitted to the projection 32 and presses the retaining element 12 onto the valve.
  • the locking elements 59 hold the retaining element laterally.
  • the Valve opens and the mixture of medium and propellant gas enters the capillary tube 14, where the medium to be applied is atomized. Via the outlet opening 62, the current exits and the medium is sprayed. Once the force is no longer exerted on the actuating trough 22, the valve closes and the spraying process is completed.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Nozzles (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Claims (10)

  1. Gicleur pour l'atomisation d'un fluide en utilisant un gaz propulseur mis sous pression, comprenant
    un corps de gicleur (10) qui présente un anneau de fixation (16) et un élément de commande (20) relié en mobilité avec le premier cité,
    un élément de retenue (12) qui présente une ouverture d'entrée (24), une section en forme de canal (26) qui s'y raccorde et une section de retenue (28), et
    un élément en forme de canal (14) qui présente une ouverture de sortie (62) pour le fluide et qui présente, dans au moins une section, un diamètre tel que le fluide à évacuer est soumis à une atomisation dans le courant du gaz propulseur,
    dans lequel l'élément en forme de canal (14) représente de préférence un tuyau flexible capillaire ou un tube capillaire et/ou présente, sur toute sa longueur, un diamètre constant,
    dans lequel l'élément en forme de canal (14) est disposé dans la section de retenue (28) de l'élément de retenue (12) et, de préférence, est cintré en formant un angle d'environ 90° dans la section de retenue (28) de l'élément de retenue (12), et
    dans lequel, de préférence, l'élément de retenue (12) est relié au corps de gicleur (10) ;
    caractérisé en ce que
    l'élément de retenue (12) présente, au moins dans la section de retenue (28), en particulier à l'extrémité supérieure de cette dernière, au moins un élément de serrage (50) pour le maintien par serrage ou par encliquetage de l'élément en forme de canal (14) sur l'élément de retenue (12).
  2. Gicleur selon la revendication 1, caractérisé en ce que l'élément de retenue (12) présente, dans la section de retenue (28), au moins une paire de mâchoires de serrage (50) qui enserrent l'élément en forme de canal (14).
  3. Gicleur selon la revendication 1 ou 2, caractérisé en ce que l'élément en forme de canal (14), à son extrémité supérieure, fait saillie au-delà de la section de retenue (28), et/ou en ce que la section de retenue (28) présente, sur son côté opposé au cintrage, au moins une ouverture de passage.
  4. Gicleur selon l'une quelconque des revendications 1 à 3, caractérisé en ce que la section en forme de canal (26) est fermée et l'élément en forme de canal (14) est inséré dans la section fermée en forme de canal (26) s'étendant dans la direction longitudinale du corps de gicleur (10), et/ou en ce que l'élément de retenue (12) présente une section de réception pour un siège d'une soupape.
  5. Gicleur selon la revendication 4, caractérisé en ce que la section en forme de canal (26) présente au moins une saillie de retenue cylindrique (36), en particulier dans lequel une saillie de retenue (36) vient se placer en position adjacente à la section de réception, une deuxième saillie de retenue (40) venant se placer à l'écart de la première saillie de retenue (36).
  6. Gicleur selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'élément de retenue (12) présente un épaulement (32) comprenant une paroi dorsale (34) s'étendant dans la direction longitudinale du corps de gicleur (10), en particulier dans lequel la paroi dorsale (34) présente, sur son côté se détournant de l'ouverture de sortie (62), un renfoncement qui est délimité latéralement par des parois (35) s'étendant dans la direction longitudinale.
  7. Gicleur selon la revendication 6, caractérisé en ce que le corps de gicleur (10) présente au moins une saillie (52) tournée vers l'élément de retenue (12), qui vient se disposer à plat contre la paroi dorsale (34) de l'épaulement (32) et dans le renfoncement contre les parois latérales, en particulier dans lequel le corps de gicleur (10) présente une deuxième saillie (55) tournée vers l'élément de retenue (12), qui vient s'appliquer contre la paroi dorsale (34) du côté tourné vers l'ouverture de sortie (62).
  8. Gicleur selon la revendication 6 ou 7, caractérisé en ce que le corps de gicleur (10) présente une surface d'appui (60) qui vient s'appliquer contre l'épaulement (32) de l'élément de retenue (12).
  9. Gicleur selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le corps de gicleur (10) présente des moyens de liaison (54, 56) pour l'élément de retenue (12).
  10. Gicleur selon la revendication 9, caractérisé en ce que les moyens de liaison (54, 56) présentent deux saillies tournées l'une vers l'autre comprenant des nez saillants (56), qui viennent saisir l'élément de retenue (12) par l'arrière à proximité de l'ouverture de sortie (62) de l'élément en forme de canal (14), en particulier dans lequel l'élément de retenue (12) vient s'insérer par encliquetage dans les moyens de liaison (54, 56).
EP05716022A 2004-05-05 2005-03-14 Tete de pulverisation pour l'atomisation d'un fluide Active EP1742855B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004022131A DE102004022131A1 (de) 2004-05-05 2004-05-05 Sprühkopf zum Atomisieren eines Mediums
PCT/EP2005/002676 WO2005108240A1 (fr) 2004-05-05 2005-03-14 Tete de pulverisation pour l'atomisation d'un fluide

Publications (2)

Publication Number Publication Date
EP1742855A1 EP1742855A1 (fr) 2007-01-17
EP1742855B1 true EP1742855B1 (fr) 2009-06-24

Family

ID=34962331

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05716022A Active EP1742855B1 (fr) 2004-05-05 2005-03-14 Tete de pulverisation pour l'atomisation d'un fluide

Country Status (13)

Country Link
US (1) US7967224B2 (fr)
EP (1) EP1742855B1 (fr)
CN (1) CN100513275C (fr)
AT (1) ATE434576T1 (fr)
AU (1) AU2005240264A1 (fr)
BR (1) BRPI0510672B1 (fr)
CA (1) CA2563568A1 (fr)
DE (2) DE102004022131A1 (fr)
ES (1) ES2327756T3 (fr)
IL (1) IL179027A (fr)
MX (1) MXPA06012711A (fr)
WO (1) WO2005108240A1 (fr)
ZA (1) ZA200608912B (fr)

Families Citing this family (20)

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US8344056B1 (en) 2007-04-04 2013-01-01 Homax Products, Inc. Aerosol dispensing systems, methods, and compositions for repairing interior structure surfaces
US9382060B1 (en) 2007-04-05 2016-07-05 Homax Products, Inc. Spray texture material compositions, systems, and methods with accelerated dry times
EP2130787A1 (fr) * 2008-06-04 2009-12-09 Somova Srl. Tête de vaporisation et dispositif de distribution
USD648216S1 (en) 2010-01-14 2011-11-08 S.C. Johnson & Son, Inc. Actuator nozzle for a diffusion device
USD657242S1 (en) 2010-01-14 2012-04-10 S.C. Johnson & Son, Inc. Container with nozzle
US8164209B2 (en) 2010-04-21 2012-04-24 William Rovinsky Method and apparatus for creating internal directional underwater falls and generating electrical energy therefrom
US9156042B2 (en) 2011-07-29 2015-10-13 Homax Products, Inc. Systems and methods for dispensing texture material using dual flow adjustment
US9248457B2 (en) 2011-07-29 2016-02-02 Homax Products, Inc. Systems and methods for dispensing texture material using dual flow adjustment
FR2982850B1 (fr) * 2011-11-17 2015-07-24 Rexam Dispensing Sys Tete de distribution pour un systeme de distribution d’un produit sous pression
US9156602B1 (en) 2012-05-17 2015-10-13 Homax Products, Inc. Actuators for dispensers for texture material
US9260237B2 (en) 2012-12-18 2016-02-16 Precision Valve Corporation Cap for dispensing liquids or gels
US9435120B2 (en) * 2013-03-13 2016-09-06 Homax Products, Inc. Acoustic ceiling popcorn texture materials, systems, and methods
CA2859537C (fr) 2013-08-19 2019-10-29 Homax Products, Inc. Materiaux, systemes et procedes de texture pour plafond
EP2995575B1 (fr) * 2014-09-10 2020-04-29 Albea do Brasil Embalagens Ltda. Bouton poussoir pour un système de distribution sous pression d'un produit
USD787326S1 (en) 2014-12-09 2017-05-23 Ppg Architectural Finishes, Inc. Cap with actuator
US10589920B2 (en) 2016-09-15 2020-03-17 Precision Valve Corporation System and method for a dispenser to generate different sprays
US11130143B2 (en) 2016-09-15 2021-09-28 Precision Valve Corporation System and method for dispensing different sprays
CN106492379A (zh) * 2016-12-16 2017-03-15 国网湖南省电力公司 一种手提式恒压细水雾灭火器
US10370176B2 (en) * 2017-09-12 2019-08-06 Wd-40 Company Child resistant aerosol actuator
FR3092091B1 (fr) 2019-01-25 2021-08-13 Lindal France Diffuseur pour récipient sous pression

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US3189232A (en) 1962-10-22 1965-06-15 Park Plastics Co Inc Dispenser for an aerosol container
US3233783A (en) * 1963-02-26 1966-02-08 Graviner Manufacturing Co Fluid containers
US3515316A (en) * 1968-02-21 1970-06-02 Scovill Manufacturing Co Actuator for aerosol valves
US3698604A (en) * 1969-10-02 1972-10-17 Gillette Co Dispensing control structure for pressurized dispensing package
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Also Published As

Publication number Publication date
CN1950270A (zh) 2007-04-18
CA2563568A1 (fr) 2005-11-17
IL179027A (en) 2010-05-31
BRPI0510672A (pt) 2007-12-26
MXPA06012711A (es) 2007-02-14
US20080164345A1 (en) 2008-07-10
WO2005108240A8 (fr) 2007-12-21
ES2327756T3 (es) 2009-11-03
CN100513275C (zh) 2009-07-15
BRPI0510672B1 (pt) 2018-05-29
WO2005108240A1 (fr) 2005-11-17
ZA200608912B (en) 2008-08-27
IL179027A0 (en) 2007-03-08
DE102004022131A1 (de) 2005-11-24
ATE434576T1 (de) 2009-07-15
EP1742855A1 (fr) 2007-01-17
AU2005240264A1 (en) 2005-11-17
US7967224B2 (en) 2011-06-28
DE502005007571D1 (de) 2009-08-06

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