EP1054820A1 - Tete de distribution de pompe ou de valve - Google Patents
Tete de distribution de pompe ou de valveInfo
- Publication number
- EP1054820A1 EP1054820A1 EP99901653A EP99901653A EP1054820A1 EP 1054820 A1 EP1054820 A1 EP 1054820A1 EP 99901653 A EP99901653 A EP 99901653A EP 99901653 A EP99901653 A EP 99901653A EP 1054820 A1 EP1054820 A1 EP 1054820A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- overcap
- spray head
- nozzle
- head
- dispensing
- 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.)
- Granted
Links
- 239000007921 spray Substances 0.000 claims abstract description 24
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 239000004033 plastic Substances 0.000 claims description 13
- 229920003023 plastic Polymers 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 3
- 230000035515 penetration Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 description 21
- 238000005507 spraying Methods 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 2
- DHKHKXVYLBGOIT-UHFFFAOYSA-N acetaldehyde Diethyl Acetal Natural products CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 2
- 125000002777 acetyl group Chemical class [H]C([H])([H])C(*)=O 0.000 description 2
- 239000000975 dye Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002991 molded plastic Substances 0.000 description 2
- 239000002304 perfume Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000001835 viscera Anatomy 0.000 description 1
Classifications
-
- 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 for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
- B65D83/16—Actuating means
- B65D83/20—Actuator caps
Definitions
- the present invention relates to a dispensing head intended to be mounted on the valve stem of a fluid dispensing device, such as a pump or a valve.
- the dispensing head serves as an actuating member which is acted on with a finger to actuate the pump or the valve.
- the fluid is discharged from the pump or the valve through the valve stem on which the spray head is mounted.
- the dispensing head includes a dispensing orifice which communicates with the valve stem via an outlet conduit.
- the dispensing head can incorporate a nozzle allowing spraying of the liquid.
- a conventional spray head is shown in Figure 1 and designated as a whole by the reference numeral 10.
- the head 10 comprises a body 2 which has a cylindrical shape. At its upper end, the coips 2 forms a wall 27 which is pressed using a finger to actuate the pump or the valve.
- the body 2 defines a peripheral skirt 28 which extends from the wall 27 downwards over a certain height.
- the height of this peripheral skirt 28 is partly determined by the stroke height of the valve stem of the pump or of the valve on which the head is mounted. Indeed, for aesthetic reasons, the skirt 28 must extend to the level of the pump fixing ring or the valve on the container in order to hide the valve stem.
- the peripheral skirt 28 of the dispensing head 10 engages above the fixing ring.
- the height of the peripheral skirt 28 is therefore directly dependent on the type of pump or valve on which the spray head 10 is mounted.
- the coips 2 is provided with a housing 21 for receiving the upper end of the valve stem.
- This housing 21 communicates with one or more outlet conduits 22.
- This or these conduit (s) 22 opens (s) into an annular space formed around a core 23 produced integrally in the body 2.
- the housing thus formed by this annular space is intended to receive a nozzle 4 which is forcibly engaged in this annular space.
- the nozzle 4 comprises a orifice distribution, and in the case of a fluid product such as perfume, the nozzle 4 may further comprise spraying means such as a swirl chamber connected by tangential swirl channels connecting the duct 22.
- a conventional dispensing head comprises a housing for receiving the valve stem, an outlet opening connecting said housing, a pushing surface which is pressed with the finger and a peripheral skirt for masking the valve stem.
- This kind of dispensing head is generally made of molded plastic.
- the mold necessary for the manufacture of such a dispensing head essentially comprises three parts, namely a lower core which defines the interior of the dispensing head and in particular the housing for the valve stem, an upper shell which defines the part outer surface of the head, in particular the bearing surface and the outer wall of the peripheral skirt, and a pin insertable through the upper shell to define the annular space for the reception of the nozzle and the conduit 22 which communicates the housing with the sprinkler.
- the spindle is inserted horizontally through the upper shell while the joint plane of the mold is defined at the lower end of the peripheral skirt 28. It is therefore understood that the height of the peripheral skirt 28 cannot be adjusted.
- the dispensing head is made of plastic
- this shrinkage phenomenon is often visible at the level of the upper bearing face of the head in the zone corresponding to the housing and to the duct. This shrinkage phenomenon negatively affects the aesthetic appearance of the distribution head.
- Another object of the present invention is therefore to alleviate the visible effects of this shrinkage phenomenon.
- the color of the dispensing head matches that of the fixing ring or the container. In this case, it is necessary to color the plastic material constituting the dispensing head. Since the dyes used to tint plastic are expensive products, the cost of a colored dispensing head is affected.
- the present invention also aims to be able to produce colored dispensing heads at a reduced cost.
- the subject of the present invention is a dispensing head intended to be mounted on the valve stem of a fluid dispensing device such as a pump or a valve, said spraying head comprising a body provided with 'A housing intended for the reception of the valve stem, of at least one conduit communicating said housing with a dispensing orifice, the body being fixedly received in an over-cap which covers it, leaving the housing free.
- the overcap which can be made of metal but preferably of plastic, solves all the problems of the prior art in one go, as much related to the height of the peripheral skirt, to the phenomenon of shrinkage as well as to the head color.
- the height of the peripheral skirt it is easier and less expensive to vary the height of the overcap rather than that of the head coips because the mold necessary to make the overcap is much simpler.
- the head body therefore becomes a standard element for a given head diameter, regardless of the height of the head.
- a single body mold is sufficient for a head of a given diameter.
- the document FR-1 482 900 certainly describes a pusher provided with a cap which covers internal organs of the pusher defining a valve.
- the cap is therefore slidably mounted axially on the cover.
- the element for maintaining the cap on the hood is the nozzle which projects from the skirt of the cap.
- the opening through which the nozzle projects is oversized to allow the cap to slide.
- the cap, in this pusher has only one function of actuating wall of the valve to keep it closed until the pressure is released. The sliding characteristic is therefore essential to the operation of this pusher.
- the dispensing orifice is formed by a nozzle attached to the body, the overcap being provided with a simple opening for the passage of the nozzle when it is mounted on the body.
- the dispensing orifice is formed in the overcap.
- the head may include spraying means in the form of a swirl chamber centered on the dispensing orifice and supplied by at least two tangential swirl channels connecting said at least one conduit.
- the swirl chamber and the channels can be formed in the nozzle.
- the swirl chamber and channels can be formed in the body.
- the overcap fulfills an additional function, namely that of the dispensing orifice.
- the body and the over-cap comprise orientation means for determining the orientation of the over-cap with respect to the coips during their assembly so that the spray orifice is centered during assembly with respect to the axis. from the swirl chamber.
- the overcap internally forms a penetration and orientation needle cooperating with a recess of corresponding shape formed in the body. The orientation of the overcap on the body is thus automatically imposed during assembly.
- FIG. 1 is a cross-sectional view of a dispensing head according to the prior art
- Figure 2 is a cross-sectional view through a dispensing head according to a first embodiment of the present invention
- - Figure 3 is a cross-sectional view of the nozzle used in the dispensing head of Figure 2
- Figure 4 is a plan view of the interior of the nozzle of Figure 3
- Figure 5 is a view in cross section of a dispensing head according to a second embodiment of the present invention
- - Figure 6 is a plan view of the part of the body of the dispensing head forming the spraying means
- Figure 7 is a plan view of the interior of the overcap at the dispensing orifice.
- the dispensing head 1 of the present invention comprises three constituent elements, namely a body 2, an overcap 3 and a nozzle 4. These three elements are preferably made of molded plastic, although the overcap 3 can also be made of metal.
- the body 2 can for example be molded from polypropylene and the overcap 3 and the nozzle 4 from a harder plastic, for example acetal.
- the body 2 is of a completely conventional design similar to that of the spray head of the prior art shown in Figure 1. Therefore, the body 2 forms a axial central housing 21 for receiving the upper end of the valve stem of the pump or of the valve on which the head 1 is mounted.
- This housing 21 communicates via an outlet channel 22 with an annular space 224 defined around a core 23 having an annular end surface 24 perfectly flat.
- the annular space 224 as can be seen in FIG. 2, is intended for reception by snap-fitting of a nozzle 4, the details of which will be described below with reference to FIG. 3.
- the coips 2 forms an annular upper surface 27 and a peripheral flange 28 which extends downwards on the entire periphery of the coips 2.
- annular flange 28 is pierced with a hole.
- the essential difference with the body of a conventional dispensing head lies in the length of the peripheral skirt which is reduced here to a peripheral flange 28.
- FIG. 4 show on an enlarged scale the nozzle 4 used in the spray head 1 of Figure 2.
- the nozzle 4 is a completely conventional nozzle in the form of a small bucket the bottom 41 of which is pierced with a dispensing orifice 45.
- This dispensing orifice 45 communicates with a recess 47 which forms, in combination with the flat annular end wall 24 of the core 23, a swirl chamber 47.
- the bottom 41 is further provided with other recesses 46 three in number as can be seen in FIG. 4, which make the swirl chamber 47 communicate with the internal periphery of the nozzle 4.
- the nozzle can be made of acetal and the body 2 of polypropylene so that the nozzle 4 slightly deforms the flat end wall 24 of the core 23 and thus produces a good seal.
- the cylindrical wall 42 of the nozzle is provided with snap notches 43 which cooperate with the body 2 by interference of material due to the difference in hardness of the plastics used to make them. This provides a stable and solid positioning of the nozzle on the body.
- the body 2 is coated with the overcap 3 which covers the upper end wall 27 and the peripheral flange 28 leaving the housing 21 free.
- the internal wall of the overcap 3 follows the shape of the body 2 at the level of its peripheral flange 28 and its upper surface 27 as can be seen in FIG. 2. It is therefore important that the internal ribs of the overcaps correspond precisely to the outer ribs of the body 2. It will thus be possible to force the body 2 inside the overcap without the need to use other means to block the body 2 at the interior of the over-cap 3. The body 2 is thus fixedly received in the over-cap 3. As can be seen in FIG.
- the over-cap is in the form of a simple cylindrical cup with a bottom defining the annular surface upper thrust 31 which is acted on using a finger and a peripheral wall defining a peripheral skirt 32 which fulfills the same function as that of the head of the prior art shown in FIG. apsule 3 has a perfectly uniform wall thickness so that no shrinkage phenomenon can affect it. It can also be carried out using colored plastic.
- the overcap 3 has at its peripheral skirt 32 an opening 33 intended for the passage of the nozzle 4 during its mounting on the body 2.
- the overcap 3 must have an opening allowing the passage of the nozzle 4.
- the mounting of the dispensing head of the invention can be carried out with a conventional machine once the body is engaged in the overcap. It is easily understood that it is easy to vary the height of the dispensing head 1 by using a different height overcap. It is therefore not necessary to touch the body 2 which in no way determines the height of the head. Because of its simplicity, the overcap 3 can be easily produced at a lower cost with different heights. On the other hand, given that the body 2 no longer constitutes a visible element, it does not matter that it is affected by aesthetic defects such as shrinkage phenomena.
- FIGS. 5 to 7 describe a second particularly advantageous embodiment.
- the advantage of this spray head lies in the fact that it only consists of two elements, namely the coips 2 and the overcap 3.
- the function of the nozzle is here fulfilled in combination by the coips 2 and the overcap 3.
- the swirl chamber 25 and the swirl channels 26 are formed on the end wall 24 of the core 23 formed by the coips 2.
- it is acts of a particular embodiment implementing two swirl channels 26 connected to two symmetrical lateral conduits 22 which open into the housing 21. This configuration allows a completely symmetrical supply of the swirl channels 26.
- the chamber 25 and the channels 26 are formed in the attached nozzle, in this embodiment, the chamber and the channels are formed directly on the coips 2.
- the wall used e to isolate the channels 26 from one another and complete the chamber 25 is formed by the overcap 3.
- this closing wall must be pierced with an orifice distribution 35 which communicates the swirl chamber 25 with the outside.
- the overcap 3 can form downstream of the spray orifice 35 a directional spray cone 36.
- this embodiment considerably reduces the height of the nozzle and therefore the total height of the head.
- orientation means making it possible to precisely determine the orientation of the overcap 3 relative to the body 2.
- these orientation means are in the form of a penetration and orientation needle 37 which cooperate with a recess 29 of corresponding shape formed in the body 2.
- This needle 37 can be provided at the level of the spray orifice 35.
- This needle 37 is in the form of a extra wall thickness made at the peripheral skirt 32. As its name indicates, this needle 37 defines a point oriented downwards which is intended to cooperate with the recess 29 formed in the body 2 and which has a corresponding shape . As can be seen in FIG.
- the core 23 with its end wall 24 in which the chamber 25 and the channels 26 are formed is situated at the level of this recess 29.
- this needle 37 and this recess 29 thus ensuring perfect orientation and therefore centering of the dispensing orifice 35 relative to the swirl chamber 25.
- the body then has a core whose end wall is perfectly flat, as in the first embodiment. Thanks to the overcap, it is possible to vary the height of the spray head at a lower cost, and to improve the aesthetics of the head by eliminating all problems linked to the phenomenon of shrinkage and by reducing the costs associated with coloring. plastic.
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)
- Closures For Containers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9801216 | 1998-02-03 | ||
| FR9801216A FR2774367B1 (fr) | 1998-02-03 | 1998-02-03 | Tete de distribution de pompe ou de valve |
| PCT/FR1999/000178 WO1999039992A1 (fr) | 1998-02-03 | 1999-01-29 | Tete de distribution de pompe ou de valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1054820A1 true EP1054820A1 (fr) | 2000-11-29 |
| EP1054820B1 EP1054820B1 (fr) | 2002-06-19 |
Family
ID=9522521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99901653A Expired - Lifetime EP1054820B1 (fr) | 1998-02-03 | 1999-01-29 | Tete de pulverisation de pompe ou de valve |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6533196B1 (fr) |
| EP (1) | EP1054820B1 (fr) |
| DE (1) | DE69901880T2 (fr) |
| ES (1) | ES2178376T3 (fr) |
| FR (1) | FR2774367B1 (fr) |
| WO (1) | WO1999039992A1 (fr) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2828821B1 (fr) * | 2001-08-23 | 2004-01-23 | Valois Sa | Tete de distribution pour distributeur de produit fluide |
| FR2851483B1 (fr) * | 2003-02-20 | 2005-05-13 | Valois Sas | Tete de distribution |
| ITRM20030046U1 (it) * | 2003-03-04 | 2004-09-05 | Emsar Spa | Copertura per tasto erogatore di micropompe nebulizzatrici o dispensat rici. |
| DE10323603A1 (de) * | 2003-05-20 | 2004-12-30 | Ing. Erich Pfeiffer Gmbh | Dosiervorrichtung mit einer Pumpeinrichtung |
| FR2858567B1 (fr) * | 2003-08-04 | 2006-03-03 | Valois Sas | Tete de pulverisation de produit fluide |
| FR2860771B1 (fr) | 2003-10-09 | 2006-03-03 | Valois Sas | Tete de distribution de produit fluide et procede de fabrication d'une telle tete |
| DE102005024612A1 (de) * | 2005-05-25 | 2006-11-30 | Wella Ag | Sprühkopf mit einem Düseneinsatzteil |
| US7300001B2 (en) * | 2005-09-02 | 2007-11-27 | Roy Kuo | Pump-dispensing atomizer |
| FR2917652B1 (fr) * | 2007-06-19 | 2009-09-11 | Rexam Dispensing Systems Sas | Buse de pulverisation comprenant des rainures axiales d'alimentation equilibree de la chambre tourbillonnaire |
| US9999895B2 (en) | 2014-08-06 | 2018-06-19 | S. C. Johnson & Son, Inc. | Spray inserts |
| ES2764084T3 (es) * | 2016-07-29 | 2020-06-02 | Aptar Radolfzell Gmbh | Dispensador de líquido con un cabezal de descarga |
| DE102016114456A1 (de) * | 2016-08-04 | 2018-02-08 | Rpc Bramlage Gmbh | Fingerspraypumpe sowie Düsenkopf für eine Sprühpumpe |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1482900A (fr) * | 1966-03-21 | 1967-06-02 | Reboul Sofra | Bouton-poussoir diffuseur-doseur pour valve aérosol |
| US3703994A (en) * | 1971-07-06 | 1972-11-28 | Gillette Co | Adjustable spray rate actuator |
| US5593094A (en) * | 1995-02-07 | 1997-01-14 | Calmar Inc. | Pump sprayer having variable discharge |
| US5676311A (en) * | 1995-08-08 | 1997-10-14 | Chesebrough-Pond's Usa Co., Division Of Conopco, Inc. | Actuator for spray valve |
-
1998
- 1998-02-03 FR FR9801216A patent/FR2774367B1/fr not_active Expired - Fee Related
-
1999
- 1999-01-29 WO PCT/FR1999/000178 patent/WO1999039992A1/fr not_active Ceased
- 1999-01-29 ES ES99901653T patent/ES2178376T3/es not_active Expired - Lifetime
- 1999-01-29 US US09/601,504 patent/US6533196B1/en not_active Expired - Fee Related
- 1999-01-29 DE DE69901880T patent/DE69901880T2/de not_active Expired - Lifetime
- 1999-01-29 EP EP99901653A patent/EP1054820B1/fr not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9939992A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2774367B1 (fr) | 2000-03-24 |
| DE69901880T2 (de) | 2003-02-20 |
| WO1999039992A1 (fr) | 1999-08-12 |
| US6533196B1 (en) | 2003-03-18 |
| ES2178376T3 (es) | 2002-12-16 |
| EP1054820B1 (fr) | 2002-06-19 |
| DE69901880D1 (de) | 2002-07-25 |
| FR2774367A1 (fr) | 1999-08-06 |
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