EP1509333B1 - Embout pour la pulverisation d un produit - Google Patents

Embout pour la pulverisation d un produit Download PDF

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Publication number
EP1509333B1
EP1509333B1 EP03757118A EP03757118A EP1509333B1 EP 1509333 B1 EP1509333 B1 EP 1509333B1 EP 03757118 A EP03757118 A EP 03757118A EP 03757118 A EP03757118 A EP 03757118A EP 1509333 B1 EP1509333 B1 EP 1509333B1
Authority
EP
European Patent Office
Prior art keywords
channel
core
wall
axial
nozzle according
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
EP03757118A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1509333A1 (fr
Inventor
Jean-Louis Bougamont
Christophe Roy
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.)
Silgan Dispensing Systems Le Treport SAS
Original Assignee
Rexam Dispensing Systems SAS
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
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Application filed by Rexam Dispensing Systems SAS filed Critical Rexam Dispensing Systems SAS
Publication of EP1509333A1 publication Critical patent/EP1509333A1/fr
Application granted granted Critical
Publication of EP1509333B1 publication Critical patent/EP1509333B1/fr
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
    • 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
    • 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

Definitions

  • the present invention relates to a tip for spraying a product, comprising a cylindroconic body having an axial channel whose first end is delimited by a transverse wall which has a spray orifice and whose second end is able to communicate with a reservoir.
  • the nozzle further comprising an axial core disposed in the channel, the first end of which is opposite said transverse wall and delimits therewith a spray chamber and the second end of which is situated on the side of the second end of the channel, a communication between said second end and the spray chamber being formed between the core and the channel wall.
  • Knuckles of this type which serve, for example, for the projection, in a nasal orifice, of a liquid pharmaceutical product.
  • the outlet of the pressure tank is for example formed by the stem of a valve or a pump on which the second end of the channel can be fitted so that pressing on the tip causes the release, in this channel , the product contained in the tank.
  • the presence of the core makes it possible on the one hand to reduce the dead volume inside the channel, which makes it possible, during actuation of the nozzle, to very rapidly increase the pressure in this channel in order to effectively expel the nozzle. product from the tank. This also makes it possible to avoid stagnation in the channel of a large quantity of product that could be tainted.
  • the core serves to delimit the spray chamber, with the transverse wall of the body.
  • this spraying chamber must be precise because it often determines the quality of the spraying of the product. For example, a vortex motion may be sought during spraying, in which case the product must enter the expulsion chamber in a current vortex, the vortex component being preserved during the expulsion of the product through the spray orifice.
  • the core be positioned accurately with respect to the channel and, in particular, with respect to the transverse wall of the body, so as to precisely define the geometry of the spray chamber.
  • the core is an elongated piece and its length may vary depending on manufacturing tolerances. A variation in the length can lead to a poor positioning of the core and thus affect the quality of the spray.
  • EP-A-0 534 088 describes a mouthpiece according to the preamble of claim 1.
  • the invention aims to overcome these disadvantages by improving the positioning of the core with respect to the channel in which it is located.
  • This annular space delimited in the channel allows the introduction of a connecting rod to the reservoir (in particular the stem of a valve or a pump), in the channel and around the second end of the core.
  • the second end of the channel is plugged onto the tubular connecting rod to the reservoir and the second end of the core is engaged in said rod.
  • the core is normally inserted into the channel of the cylindroconic body being pushed towards the transverse wall of the first end of the channel, from the second end of the latter.
  • the hooking edge of the fastening collar means being turned towards the second end of the core, this thrust is not prevented. It is only when the kernel reaches its final position that its progression in the channel stops. In this final position, the core is hooked inside the channel by the hooking edge of the collar means and the second end of the core is in axial contact with the inner periphery of the rod and at least one groove of circulation is provided between said second end and said inner periphery. It is therefore well positioned for the first use of the tip. In addition, it is perfectly maintained in place, so that the position does not vary during the multiple uses of the tip, and the quality of the spray remains unchanged over time.
  • the means forming a catch flange are made to preserve the communication between the second end of the channel and the spray chamber.
  • the spraying chamber is formed by a cavity delimited between the transverse wall of the body and the first end of the core abutting against this wall, this cavity comprising at least one non-radial groove formed in the first end of the core or the transverse wall.
  • the hooking flange means are formed of at least one annular flange sector delimited by a groove.
  • the communication between the second end of the channel and the spray chamber is formed by a spacing between the channel wall and the core.
  • This communication also includes the aforementioned groove.
  • the collar means have several sectors, so as to provide at least two or three grooves, which are equidistant angularly so as to maintain the homogeneity of the product distribution from the reservoir to the spray chamber.
  • the channel has a hooking section, with which the collar cooperates and in which the diametral dimensions of the channel are smaller than the diametral dimensions of the collar, and an introductory section, which extends between the section and the second end of the channel and wherein the diametrical dimensions of the channel are at least substantially equal to those of the collar.
  • the core is introduced into the channel by the second end of the latter.
  • the progression of the core is easy. It is only when the collar reaches the region of the attachment section that this progression becomes more difficult, and the collar clings naturally.
  • the core has axial bearing means which cooperate with the channel wall.
  • the core has at least one radial projecting cylinder sector delimited by a groove.
  • the aforementioned annular collar sector is formed by a shoulder located at the end of the cylinder sector which is turned towards the second end of the core.
  • These axial bearing means promote the alignment of the longitudinal axis of the core and that of the channel.
  • the core is chamfered at its second end.
  • This chamfer forms a ramp which, when said tubular rod is introduced into the aforementioned annular space, promotes this introduction.
  • the wall of the channel has a shoulder in the vicinity of the second end of said channel and the core extends towards the second end of the channel, beyond this shoulder.
  • This shoulder serves in particular to define the position of the outlet tube of the tank inside the channel.
  • the tip shown in Figure 1 comprises a cylindroconic body 10 which has an axial channel 12. This channel is surrounded by a cylindroconic skirt 14, with which it is formed in one piece to form the body 10. An interior space 16 is arranged between the wall 13 of the channel 12 and the skirt 14.
  • the first end 12A of the channel is delimited by a transverse wall 18 which has a spray orifice 20.
  • this transverse wall 18 is formed in one piece with the body 10.
  • the second end 12B of the channel is open, which allows it to communicate with a reservoir containing the product to be sprayed.
  • the channel is arranged vertically, and that its first and second ends 12A and 12B are respectively the upper and lower ends.
  • the lower end 12B of the channel is fitted on a tubular rod 22 for connection to the reservoir.
  • this rod may be that of a valve valve associated with a reservoir being under pressure or a pump.
  • the position of this rod in the channel is delimited by a shoulder 13A, which has the wall 13 of the channel, on its inner periphery and with which the free end 22A of the rod 22 cooperates in abutment.
  • This rod itself has, on its outer periphery, a shoulder 22B that could be used to delimit the position of maximum penetration of the rod in the channel, by cooperation between said shoulder 22B and the free end of the wall 13 .
  • the skirt 14 Towards its lower end, the skirt 14 has bearing surfaces 14A (for example formed on fins or on a flange) which make it possible to push the nozzle downwards to actuate the valve and thus deliver the product contained in the reservoir .
  • bearing surfaces 14A for example formed on fins or on a flange
  • An axial core 24 is disposed in the channel 22.
  • the upper end 24A of this core is located facing the inner face of the transverse wall 18 above. Its lower end 24B is located in the vicinity of the lower end 12B of the channel.
  • the core comprises means forming a latching collar which keep it hooked inside the channel by cooperation with the inner periphery of the wall 13 of the latter.
  • these flange means are formed by three annular flange sectors 26 separated from one another by grooves 27.
  • each of these collar sectors has a hooking edge 28 which is turned towards the lower end 24B of the core.
  • the fastening edges cooperate with the inner face of the wall 13 of the channel in order to oppose a displacement of the core downwards once this is put in place in the channel.
  • the core 24 is made of a harder material than the body 10.
  • the core is molded polypropylene, while the body is molded polyethylene.
  • the core is also retained with respect to a displacement in the direction F, once it has reached its final position, by cooperation of its upper end 24A in abutment with the inner face 18A of the transverse wall 18.
  • the flange means 26 are in a portion of the channel which forms a hooking portion 12C. Indeed, at this point, the diametral dimensions of the channel are smaller than those of the collar means, as clearly shown in FIG.
  • the core generally has the shape of a cylinder with a circular section, its diameter varying in the region of the flange sectors and, optionally, at its lower end 24B.
  • the channel further comprises an introduction section 12D in which its diametrical dimensions are at least substantially equal to those of the collar means.
  • This introduction section extends from the lower end of the channel to the attachment portion 12C.
  • the collar means are located in the vicinity of the upper end 24A of the core, which they are spaced a length L corresponding for example to about a third or a quarter of the total length of this core.
  • the channel 12 has an upper portion 12E, which extends from the hooking portion 12C to the upper end of this channel and which has diametrical dimensions still slightly reduced compared to those of the hooking section.
  • a communication is provided between the core and the channel wall to allow the flow of liquid exiting the valve stem 22 to the spray chamber 21 which is provided between the upper end 24A of the core and the wall 18.
  • annular space 11 is formed between the core and the inner wall of the channel.
  • the aforementioned grooves 27 establish the continuity of the communication in this space, in the region of these collar means.
  • the core 24 has axial bearing means which in this case are arranged between the collar and the upper end 24A of the core. They thus cooperate with the wall of the channel, in the region of the attachment portion 12C. These means are formed by at least one cylindrical sector 30 projecting radially, delimited by a groove.
  • each annular flange sector 26 is formed by a shoulder which is located at the end of a cylinder sector 30 facing the second end 24B of the core.
  • the axial span means formed by the sectors 30 delimit, on the core, axial wall portions which rest against the inner face of the wall 13 of the core, and whose axial length I forms an axial bearing length between the core and the canal.
  • additional means of axial reach described below, can be provided.
  • the chamber 21 is delimited between the upper end 24A of the core and the wall 18. As can be seen in FIG. 5, this cavity comprises non-radial grooves 21A which, in this case, are formed on the internal face of the wall 18. Although it is not visible on the section of Figure 5, it is indicated in this figure the position of the spray orifice 21, and it is understood that the sprayed product, which enters the chamber 21 through the ends of the grooves 21A in communication with the annular space formed between the core and the channel, is animated in this chamber of a swirling motion which allows a swirling spray through the orifice 21.
  • the core is correctly positioned thanks to the presence of the means forming the attachment flange which retain it vis-à-vis a tearing movement outside the channel, and that of the means of scope previously defined.
  • FIG. 1 Another feature of the invention ensures a good positioning of the core. Indeed, as seen in Figure 1, an annular space is delimited in the channel around the lower end portion 24B of the core. The upper end of the tubular rod 22 can be inserted into this annular space, and it can thus be seen that this end section 24B is inserted into this rod 22.
  • this end section 24B has a reduced diameter and has axial fins 25 projecting its maximum diameter diameters to the diameter of the core. These fins cooperate with the inner periphery of the tubular rod 22, so as to align the axis of the core with that of this rod.
  • these fins form axial bearing means between the core and the inner periphery of the rod, while the circulation grooves 23 are arranged between them and this inner periphery so as to allow communication between the reservoir and the canal.
  • the rod 22 In this case, its lower end is chamfered.
  • the fins have chamfers 23 '.
  • Figure 6 differs from that of Figure 1 by the conformation of the lower end portion 124B of its core 24 by that of the tubular rod 122. Indeed, the diameter D of the core is unchanged in its portion lower end 124B with respect to its current portion. This portion 124B, however, is engaged in the rod 122 and is in axial contact with the inner periphery of this rod. Circulation grooves are formed by grooves 123 of the inner periphery of this rod, the ribs 123 'formed between these grooves cooperating with the periphery of the core, to achieve the aforementioned axial bearing contact.
  • the position of the core inside the channel is perfectly maintained.
  • the axes of this core and the channel can be perfectly aligned, which allows to have the upper face 24A of the core, which is generally perpendicular to its axis, in an optimal position of support against the underside of the wall 18.
  • the partial closure of the channels 21A made by the upper face of the core is correctly performed, without angular positioning defect of the core relative to the channel. In this way, the swirling motion is perfectly assured.
  • the core is wedged in the channel, but it is by the attachment edge of the collar means and not the valve stem that it is retained vis-à-vis a downward movement.
  • the rod is also in abutment cooperation with the body of the tip, a push on the tip to spray the product contained in the reservoir exerts itself directly on the valve stem, without axially soliciting the core.

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)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
EP03757118A 2002-06-06 2003-06-06 Embout pour la pulverisation d un produit Expired - Lifetime EP1509333B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0206947A FR2840549B1 (fr) 2002-06-06 2002-06-06 Embout pour la pulverisation d'un produit
FR0206947 2002-06-06
PCT/FR2003/001701 WO2003103847A1 (fr) 2002-06-06 2003-06-06 Embout pour la pulverisation d'un produit

Publications (2)

Publication Number Publication Date
EP1509333A1 EP1509333A1 (fr) 2005-03-02
EP1509333B1 true EP1509333B1 (fr) 2006-10-11

Family

ID=29559002

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03757118A Expired - Lifetime EP1509333B1 (fr) 2002-06-06 2003-06-06 Embout pour la pulverisation d un produit

Country Status (13)

Country Link
US (1) US20060138254A1 (es)
EP (1) EP1509333B1 (es)
JP (1) JP2005528214A (es)
CN (1) CN1326625C (es)
AT (1) ATE342131T1 (es)
AU (1) AU2003251112A1 (es)
BR (1) BR0311698A (es)
CA (1) CA2488383A1 (es)
DE (1) DE60309024T2 (es)
ES (1) ES2274270T3 (es)
FR (1) FR2840549B1 (es)
MX (1) MXPA04012046A (es)
WO (1) WO2003103847A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2912071B1 (fr) 2007-02-05 2011-03-18 De La Mer Laboratoire Embout de pulverisation,container unidose pulverisateur et kit de pulverisation unidose.
JP5419562B2 (ja) * 2009-06-30 2014-02-19 株式会社吉野工業所 噴霧ノズル
IT201600080879A1 (it) * 2016-08-01 2018-02-01 Giorgio Mezzoli Erogatore

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2547737B1 (fr) * 1983-06-24 1988-04-08 Valois Sa Embout-poussoir pour pulverisateur medical
US5257726A (en) * 1985-08-14 1993-11-02 Ing. Erich Pfeiffer Gmbh & Co. Kg Dispenser for flowable media
JP2922935B2 (ja) * 1989-08-11 1999-07-26 東興薬品工業株式会社 粘稠液用鼻孔内噴霧容器の使捨てアダプタ
DE4005529A1 (de) * 1990-02-22 1991-08-29 Pfeiffer Erich Gmbh & Co Kg Austragkopf fuer medien
DE4008068A1 (de) * 1990-03-14 1991-09-19 Pfeiffer Erich Gmbh & Co Kg Austragvorrichtung fuer medien
IT1244803B (it) * 1990-11-21 1994-09-05 Promo Pack S A Erogatore-spruzzatore monodose per la somministrazione endonasale di medicamenti liquidi.
IT1249600B (it) * 1991-02-21 1995-03-09 Elettro Plastica Spa Erogatore nasale di sostanze farmaceutiche nebulizzate
IT1251865B (it) * 1991-09-24 1995-05-26 Elettro Plastica Spa Erogatore nasale di sostanze farmaceutiche sotto pressione
US5431155A (en) * 1992-06-03 1995-07-11 Elettro Plastica S.P.A. Single-dose nasal dispenser for atomized liquid drugs
FR2771012B1 (fr) * 1997-11-17 2000-03-10 Sofab Pulverisateur nasal
CN1349856A (zh) * 2000-10-19 2002-05-22 上海华薪工贸有限公司 复合型喷雾泵

Also Published As

Publication number Publication date
ATE342131T1 (de) 2006-11-15
MXPA04012046A (es) 2005-03-07
AU2003251112A1 (en) 2003-12-22
EP1509333A1 (fr) 2005-03-02
WO2003103847A1 (fr) 2003-12-18
FR2840549B1 (fr) 2005-03-11
CN1326625C (zh) 2007-07-18
CN1658975A (zh) 2005-08-24
FR2840549A1 (fr) 2003-12-12
DE60309024T2 (de) 2007-05-10
CA2488383A1 (en) 2003-12-18
DE60309024D1 (de) 2006-11-23
BR0311698A (pt) 2005-03-22
JP2005528214A (ja) 2005-09-22
ES2274270T3 (es) 2007-05-16
US20060138254A1 (en) 2006-06-29

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