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
  • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
  • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
  • B05B11/1088—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle the pump being a double-acting pump
• • 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
  • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
  • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
  • B05B11/1001—Piston pumps
• • 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
  • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
  • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
  • B05B11/1001—Piston pumps
  • B05B11/1015—Piston pumps actuated without substantial movement of the nozzle in the direction of the pressure stroke
• • 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
  • B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
  • B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
  • B05B11/109—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle the dispensing stroke being affected by the stored energy of a spring

Definitions

• the present invention relates to a dispenser with peripheral delivery mode intended to be mounted on a container of high viscosity liquid products, such as gels, creams, pastes ...
• dispensers comprising a pump mounted on the neck of a container and delivering the product via an axial passage formed in particular by a nozzle tube.
• the present invention aims to solve this technical problem satisfactorily.
• a distributor characterized in that it comprises a bowl provided, at its lower part, with an inlet orifice equipped with a valve and closed at its part. upper by a piston returned to the high position by a spring and delimiting with the internal wall of the bowl, a metering chamber, the wall of said chamber comprising an annular zone, in whole or in part elastically deformable to release under the effect of pressure generated in the chamber a product discharge passage opening peripherally to the outside.
• the upper edge of the bowl is fixed on a flange connecting with the neck of the container.
• the internal face of said collar has a groove delimited, on the radially external side, by a ring in which is engaged and locked the upper edge of the bowl.
• said flange is frustoconical by being inclined towards the center and its inner edge forms a high stop for the piston thereby ensuring its retention in the bowl.
• the external face of the piston is provided with a central stud forming a pusher.
• the bowl has ribs extending along the lower part of its internal side wall over a height sufficient to allow the escape of air upon priming by forced deformation of the piston.
• the internal face of the piston includes a central sleeve ensuring both the coaxial guide of the spring and the end of travel stop against the bottom of the bowl.
• the dispenser of the invention comprises, where appropriate, a vent made in the form of a cutout of the upper edge of the bowl.
• said elastically deformable annular zone is produced on the periphery of the piston by being made up of a flexible lip whose free end is in the closed position, in sealed abutment against the internal lateral wall of the bowl.
• the external face of the piston is provided, at the junction with said lip, with stiffening elements.
• said elastically deformable annular zone is located on the side wall of the bowl by being made up of peripheral thinning, capable of being elastically deformed by the rigid edge of the piston.
• the rigid edge of the piston has a lateral flank provided with a projection intended to bear against the deformable lateral wall of the bowl.
• said elastically deformable zone is located on the side wall of the bowl, and consists of a peripheral part produced with a flexible elastomer material possibly different from the rigid material constituting the other parts of the bowl.
• said elastically deformable annular zone consists of a flexible lip carried, on the one hand, by the lower end of a central cylinder secured to the piston and projecting inside the metering chamber and cooperating, on the other hand, with a peripheral scraping element fixed on the internal face of the piston.
• the product discharge passage is formed from the lip, the enclosure delimited around the central cylinder by said scraper element, on the one hand, and the lip, on the other hand, then by a network of vertical conduits formed around the periphery of said cylinder and communicating, at their lower end with said enclosure and at their upper end with a network of transverse conduits leading to the outside.
• said lip is inclined relative to the axis of the dispenser and bears in the closed position on the radially inner edge of the scraper element.
• the dispenser of the present invention is more particularly intended for viscous products for which it offers an original and aesthetic delivery method.
• This dispenser which has a simple structure, and therefore easy to make and assemble.
• Figures la and lb show sectional views of a first embodiment of the dispenser of the invention, respectively in the closed position and in the open position;
• FIG. 2a and 2b show sectional views of a second embodiment of the dispenser of the invention, respectively in the closed position and in the open position;
• FIG. 3a and 3b show sectional views of a third embodiment of the dispenser of the invention, respectively in the closed and open position.
• the dispenser shown in section in Figures la and lb is intended to be mounted on a container (not shown) of viscous liquid products.
• This dispenser comprises a bowl 1 provided at its lower part with an inlet orifice 10 extended here downwards, by a dip tube 10a which is intended to protrude inside the container.
• the inlet 10 is equipped with a valve 11 produced here in the form of a ball 11a resting on a seat 11b.
• the bowl 1 is closed at its upper part by a piston 2, returned to the high position by a spring 3, and delimiting with the internal wall of the bowl 1 a metering chamber 12.
• an annular zone of the wall of the chamber 12 is, in whole or in part, elastically deformable to release, under the effect of the piston 2, a passage for discharging the product, opening out from peripheral way outside.
• the deformable annular zone is produced on the periphery of the piston 2 by being made up of a flexible lip 21, the free end 21a of which is in the closed position, in sealed contact against the wall. internal lateral lb of bowl 1 (see figure la). In the free state, the peripheral flexible lip 21 is inclined upwards with an angle ⁇ close to 45 ° relative to the plane of the central part 23 of the piston 2 on the internal face of which the spring 3 bears.
• the external face 2b of the piston 2 is provided, at the junction between the central flat part 23 and the peripheral lip 21, with stiffening elements 24.
• the upper edge 1a of the bowl 1 is fixed to a flange 4 connecting with the neck of the container (not shown).
• the internal face of the collar 4 has a groove 40, delimited on the radially outer side by a ring 41 in which the upper edge 1a of the bowl 1 is engaged and locked.
• the collar 4 is preferably frustoconical by being inclined towards the center of the dispenser, and its inner edge 4a forms a high stop for the piston 2, thus ensuring its retention in the bowl 1.
• the groove 40 is delimited on the radially inner side by an annular ring 42 carried by the inner edge 4a of the flange 4, and bearing, in the closed position, on the outer face 2b piston 2.
• the external face 2b of the piston 2 is provided with a central stud 5 forming a pusher on which the user manually presses to obtain delivery of the product.
• the stud is produced in one piece with the piston 2 or in the form of an attached part then glued or welded.
• the collar 4 thus forms a cup in the center of which is placed a product nut.
• the lip 21 then returns elastically to its initial sealing position while the piston 2 rises under the action of the spring 3, by opening the valve 11. A dose of product is thus drawn into the container via the inlet 10 and comes to fill the chamber 12. The distributor is then ready for a new use.
• the lower part of the bowl 1 consists of a flat bottom ld provided with the inlet orifice 10 and which is connected to the side wall lb by a frustoconical flank le.
• the bowl 1 has ribs 13 extending along the lower part of its internal lateral wall 1a and over a height sufficient to allow the escape of air upon priming by forced deformation of the piston 2.
• the internal face 2a of the piston 2 comprises a central sleeve 22 ensuring both the coaxial guiding of the spring with the axis X of the distributor and the end of travel stop against the bottom ld of the bowl.
• the height of the sleeve 22 is therefore determined by taking into account the position and the height of the ribs 13.
• the embodiment of the dispenser represented in FIGS. 1a and 1b comprises a vent 14 produced in the form of a cutout 14a of the upper edge la of the bowl 1. This cutout 14a makes the metering chamber 12 communicate with the opening phase. outside.
• Figures 2a and 2b show a second embodiment of the dispenser of the invention.
• the elastically deformable annular zone of the wall of the chamber 12 is located on the side wall 1b of the bowl 1, being made up of peripheral thinning 15 capable of being elastically deformed by the rigid edge 20 of the piston 2.
• the rigid edge 20 comprises a lateral flank provided with an annular projection 20a intended to come into deforming abutment against the internal lateral wall of the bowl 1.
• the peripheral thinning operations 15 are here in the form of cavities or grooves produced in hollow on the external face of the side wall 1b. At the level of the thinnings 15, the side wall lb deforms outwards under the pressure of the product, thereby freeing a passage P between the projection 20a of the piston 2 and the internal face of the thinning 15.
• the radially inner edge 4a of the collar 4 comes to bear directly against the external face 2b of the piston 2 in the high position.
• the elastically deformable annular zone is also located on the side wall 1b of the bowl 1 but it is here constituted by a peripheral part, produced with a flexible elastomer material, possibly different from the rigid material constituted by the bowl .
• This arrangement can be achieved for example by means of a bi-injection molding process.
• the elastically deformable annular zone of the wall of the chamber 12- consists of a flexible lip 26 carried by the lower end of a central cylinder 28 secured to the piston 2 and protruding inside said chamber. The lip 26 cooperates with a peripheral scraping element 6 fixed on the internal face 2a of the piston 2.
• the passage P for the discharge of the product consists, from the chamber 12 and from the lip 26, of the enclosure 12a delimited around the cylinder 28 by the scraping element 6, on the one hand, and the lip 26, on the other hand, then by a network of vertical conduits 27 formed around the periphery of the cylinder 28.
• the conduits 27 communicate, at their lower end with the enclosure 12a and at their upper end with a network of transverse conduits 29 opening to the outside on the periphery of the central stud 5.
• the lip 26 is inclined relative to the axis X of the distributor and rests, in the closed position of the enclosure 12a, on the radially inner edge 6a of the scraper element 6.
• the pressure generated in the chamber 12 by the descent of the piston 2 causes the bending towards the top of the lip 26 and the opening of the enclosure 12a.
• the seal is permanently ensured between the side edge 20 of the piston 2 and the side wall lb of the bowl l.

Landscapes

• Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
• Closures For Containers (AREA)
• Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
• Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
• Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
• Iron Core Of Rotating Electric Machines (AREA)
• Control And Other Processes For Unpacking Of Materials (AREA)
• Reciprocating Pumps (AREA)

Applications Claiming Priority (3)

Publications (2)

Family

ID=9531292

Family Applications (1)

Country Status (15)

Families Citing this family (16)

Family Cites Families (6)

• 1998
  • 1998-10-07 FR FR9812556A patent/FR2784358B1/fr not_active Expired - Fee Related
• 1999
  • 1999-10-05 CA CA002346383A patent/CA2346383A1/fr not_active Abandoned
  • 1999-10-05 AT AT99970070T patent/ATE247039T1/de not_active IP Right Cessation
  • 1999-10-05 AU AU59891/99A patent/AU5989199A/en not_active Abandoned
  • 1999-10-05 DK DK99970070T patent/DK1127013T3/da active
  • 1999-10-05 EP EP99970070A patent/EP1127013B1/de not_active Expired - Lifetime
  • 1999-10-05 JP JP2000574429A patent/JP2002526347A/ja active Pending
  • 1999-10-05 US US09/821,458 patent/US6334552B1/en not_active Expired - Fee Related
  • 1999-10-05 WO PCT/FR1999/002370 patent/WO2000020294A1/fr not_active Ceased
  • 1999-10-05 PT PT99970070T patent/PT1127013E/pt unknown
  • 1999-10-05 ES ES99970070T patent/ES2205942T3/es not_active Expired - Lifetime
  • 1999-10-05 DE DE69910417T patent/DE69910417T2/de not_active Expired - Lifetime
  • 1999-10-05 CN CNB998118702A patent/CN1207174C/zh not_active Expired - Fee Related
  • 1999-10-05 BR BR9914462-0A patent/BR9914462A/pt not_active IP Right Cessation
  • 1999-10-05 HK HK02102004.8A patent/HK1040226B/zh not_active IP Right Cessation

Non-Patent Citations (1)

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