EP0099401A1 - Godet de montage d'un aerosol - Google Patents

Godet de montage d'un aerosol

Info

Publication number
EP0099401A1
EP0099401A1 EP19830900763 EP83900763A EP0099401A1 EP 0099401 A1 EP0099401 A1 EP 0099401A1 EP 19830900763 EP19830900763 EP 19830900763 EP 83900763 A EP83900763 A EP 83900763A EP 0099401 A1 EP0099401 A1 EP 0099401A1
Authority
EP
European Patent Office
Prior art keywords
mounting cup
aerosol
mounting
set forth
assembly
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.)
Withdrawn
Application number
EP19830900763
Other languages
German (de)
English (en)
Inventor
Michael G. Knickerbocker
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.)
VALOIS VALVES AEROSOLS
Original Assignee
VALOIS VALVES AEROSOLS
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 VALOIS VALVES AEROSOLS filed Critical VALOIS VALVES AEROSOLS
Publication of EP0099401A1 publication Critical patent/EP0099401A1/fr
Withdrawn legal-status Critical Current

Links

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
    • B65D83/38—Details of the container body

Definitions

  • This invention relates to an aerosol assembly and a method of fabricating it.
  • the aerosol industry has undergone dramatic and substantial changes since the birth of the industry many decades ago. It has been a constant desire of the aerosol industry to increase the reliability of the aerosol devices while simultaneously reducing the manufacturing and the consumer costs of the aerosol device.
  • Each individual part of the aerosol device has been investigated in an attempt to reduce the part cost as well as - the cost of assembly of the aerosol device.
  • the time required to fabricate each individual part as well as time required to fabricate the device has been investigated in a continuing attempt to further reduce the cost of aerosol devices. If a single step in the assembly process can be accomplished in a shorter period of time, a substantial reduction in overall cost will be realized by the increase in production.
  • the aerosol mounting cup is fabricated by first stamping a sheet material through a progressive die to form the mounting cup turret with a central through aperture and peripheral sealing rim for sealing with an annular bead disposed on the aerosol container.
  • the stamped mounting cups are oriented for enabling a solvent based gasket material to be poured into the rim of the mounting cup .
  • the solvent based gasket material is allowed to set at room -temperature for approximately one hour and is then progressively passed through three curing ovens.
  • the three progressive ovens are typically set at 150°C , 250°C and 350°C,
  • the mounting cup is placed in each oven for approximately one hour in order to remove the solvent totally from the solvent based gasket material and to leave a solvent residue of rubber to effect the seal between the mounting cup and the aerosol container.
  • the heated mounting cups are allowed to cool to proper handling temperature prior to assembly with the aerosol valve and dip tube.
  • this prior art process requires approximately four and one-half hours of time for each mounting cup to provide a suitable coating for sealing with the aerosol container.
  • the solvent based gasket material is allowed to flow into the mounting cup rim, the resultant solid residue of rubber is irregular in thickness and may result in a defective seal between the mounting cup and the aerosol container.
  • Patent 3 , 417 ,117 illustrates a sealing gasket for an aerosol mounting cup formed by positioning ' a circular band of heat-shrinkable material over a portion of the skirt of the mounting cup. The mounting cup is then heated to shrink the band of material into frictional contact with the skirt of the mounting cup .
  • U. S. Patent 3 ,443, 006 pertains to a method of making a gasketed closure element by swelling a band of gasket material and positioning the band of gasket material about the skirt of the mounting cup. The band of gasket material is then allowed to return to a normal condition to be in frictional engagement with the mounting cup skirt.
  • Others in the prior art have utilized electrostatic spraying of paints on other coatings, but such processes have not been applied to the application of sealing gaskets.
  • Another object of this invention is to provide an improved seal between an aerosol container and a mounting cup incorporating the deposition of a uniform thickness of plastic material on a sealing surface which may be readily cured into a resilient sealing material to provide a fluid tight seal between the mounting cup and the aerosol container .
  • Another object of this invention is to provide an improved seal between an aerosol container and a mounting cup incorporating the deposition of a preferentially thicker coating of plastic material on a sealing surface with a preferentially thinner coating of plastic material on the remainder of the mounting cup.
  • Another object of this invention is to provide an improved seal between an aerosol container and a mounting cup wherein the time required to cure the deposited resilient gasket material is substantially less than the time required to liberate the solvent of a solvent based gasket material of the prior art.
  • Another object of this invention is to provide an improved seal between an aerosol container and a mounting cup wherein a resilient plastic gasket material is electrostatically sprayed onto the mounting cup to provide a uniform or preferential coating on the sealing surface .
  • Another object of this invention is to provide an improved seal between an aerosol container and a mounting cup wherein a resilient plastic material is shrink wrapped onto the mounting cup to provide a uniform thickness on the sealing surface.
  • Another object of this invention is to provide an improved seal between an aerosol container and a mounting cup wherein a resilient gasket material is deposited on the entire internal area of the mounting cup for providing a fluid tight seal between the mounting cup and the aerosol container as well as protecting the mounting cup 2 , 0 from the product internal the aerosol container.
  • Another object of this invention is to provide an improved seal between an aerosol container and a mounting cup which may be colored to provide an integral color code for the mounting cup.
  • Another object of this invention is to provide an improved seal ⁇ _5 between an aerosol container and a mounting cup which substantially reduces the cost of fabrication of aerosol assemblies.
  • Another object of this invention is to provide a method of fabricating an aerosol valve and mounting cup through the use of electrostatically spraying an individual mounting cup with a resilient
  • Another object of this invention is to provide a method for applying, a sealing gasket material to a sealing surface between a mounting cup and an aerosol container incorporating electrostatically
  • Another object of this invention is to provide a method of fabricating an aerosol valve and mounting cup through the use of shrink wrapping an individual mounting cup with a sheet material and 30 prior to receiving the aerosol valve within the mounting cup
  • Another object of this invention is to provide a method for applying a sealing gasket material to a sealing surface between a mounting cup and an aerosol container incorporating the use of a preheated plastic material vacuum applied to the sealing surface to
  • the invention may be incorporated into an improved aerosol assembly for an aerosol container having container sealing means disposed about an upper opening in the aerosol container.
  • the invention comprises a mounting cup having a mounting cup sealing means extending about the. periphery thereof.
  • a valve assembly is disposed in the mounting cup for providing fluid communication between the interior of the aerosol container and the exterior of the aerosol container.
  • a sealing gasket is applied on one of the sealing means for providing a fluid tight seal when the mounting cup is secured to the aerosol container.
  • the sealing gasket is electrostatically applied on one of the sealing means .
  • the aerosol container includes a container sealing bead disposed about the periphery of an opening in the aerosol container.
  • a rim is disposed about the periphery of the mounting cup for cooperation with the bead of the aerosol container .
  • the sealing gasket is electrostatically disposed on the interior of the mounting cup rim for sealing engagement with the bead of the aerosol container.
  • the sealing gasket may be electrostatically disposed upon the entire interior surface of the mounting cup for providing a seal
  • the sealing gasket may be electrostatically disposed upon the entire interior and exterior surface of the mounting cup for- protecting the interior and exterior surfaces thereof.
  • the sealing gasket comprises a heat sensitive plastic material disposed on one of said sealing means.
  • the sealing gasket is disposed on the mounting cup sealing means.
  • the aerosol container includes a mounting bead disposed on the periphery of an opening in the aerosol container.
  • the mounting cup includes a rim disposed about the periphery thereof for cooperation with the mounting bead of the aerosol container.
  • the sealing gasket may be disposed upon the entire interior surface of the mounting cup for providing a seal between the mounting cup and the aerosol container and for further protecting • the interior of the mounting cup form the substance internal the container.
  • the heat sensitive plastic material preferably comprises a longitudinally extending sheet which is preheated and applied to the interior surface of the mounting cup by the application of a partial vacuum under the longitudinally extending sheet.
  • the coating may be applied to provide a preferential thicker coating on the mounting cup rim relative to the remainder of the mounting cup.
  • the sealing gasket may be colored to provide an integral color code for the mounting cup .
  • the invention also comprises the method of fabricating an aerosol valve and mounting cup assembly and the method of fabricating an aerosol dispenser comprising the step of stamping the mounting cup from a metallic sheet material.
  • the method includes the steps of orienting the mounting cups on a surface into a preferred orientation, covering .the mounting cup on the surface with a resilient coating and securing the aerosol valve to the coated mounting cup.
  • said method includes the step of electrostatically spraying the mounting cup with a resilient coating , preferably from a plastic material. Heat is applied to the resilient coating to cure the coating upon the mounting cup .
  • the mounting cup is cooled and the aerosol valve is then secured to the electrostatically coated mounting cup .
  • the aerosol dispenser is further fabricated in the conventional manner.
  • a heat sensitive plastic material is heated to a sufficient temperature to allow the heat sensitive plastic material to be pliable.
  • the preheated plastic material is placed upon the mounting cups disposed- on the surface and a partial vacuum is applied to the underside of the preheated plastic sheet material to secure the plastic sheet material to the mounting cups.
  • the individual mounting cups are cut from the sheet material and the aerosol valves are secured thereto in a conventional manner.
  • Fig. 1 is a side sectional view of a conventional mounting cup and aerosol valve assembly
  • SUBSTITU Fig. 2 is a partial side sectional view showing the fluid tight seal between a conventional aerosol valve assembly and an aerosol container;
  • Fig. 3 is a side sectional view of a mounting cup and aerosol 5 valve assembly in accordance with the present invention.
  • Fig. 4 is a side sectional view of a second embodiment of a mounting cup and aerosol valve assembly in accordance with the present invention.
  • Fig. 5 illustrates a prior art process for fabricating the 10 mounting cup shown in Fig. 1;
  • Fig. 6 illustrates the improved method of forming the mounting cup as shown in Fig. 3 in accordance with the present invention
  • Figs. 7-9 illustrate various steps in the electrostatic coating of the mounting cup shown in Fig. 3;
  • "15 Fig. 10 is a side sectional view of a third embodiment of a mounting cup incorporating a preferential coating thickness;
  • Fig. 11 is a side sectional view illustrating the geometry of electrostatic spraying to provide the preferential coating thickness to the mounting cup shown in Fig. 10.
  • 20 Fig. 12 illustrates a second improved method of forming .the mounting cup as shown in Fig. 3 in accordance with the present invention;
  • Figs. 13-15 illustrate various steps in a first process of applying a preheated plastic material to the mounting cup in accordance with 25 the present invention.
  • Fig. 16-18 illustrate various steps in a second process of applying a preheated plastic material to the mounting cup in accordance with the present invention.
  • Fig. 1 illustrates a side sectional view of a prior art aerosol mounting cup and valve assembly 10 which should be well known to
  • the assembly comprises a mounting cup 12
  • the turret 14 receives an aerosol valve assembly which may be of various designs to operate between an interior surface 17 and an exterior surface 18.
  • a valve body 19 communicates with the interior of the aerosol container through a dip tube 20.
  • a valve 22 is biased by a spring 24 into sealing engagement with a sealing gasket 26 for controlling the flow of product and propellant through a metering orifice 28 communicating to a valve stem aperture 30.
  • the mounting rim 16 is provided with a sealing gasket 32 which is generally a solvent-based rubber material which forms a seal with a bead 34 of an aerosol container 36 as shown more fully in Fig. 2.
  • a sealing gasket 32 which is generally a solvent-based rubber material which forms a seal with a bead 34 of an aerosol container 36 as shown more fully in Fig. 2.
  • the mounting cup rim 16 is inserted on " the aerosol container bead 34 with the mounting cup rim being deformed at 38 to form a fluid tight seal through the coating 32 on the mounting cup rim 16.
  • Fig. 3 illustrates a mounting cup and aerosol valve assembly 10A in accordance with the present invention.
  • the sealing gasket 32A extends along the entire interior surface 17 of the mounting cup 12A in addition to being applied thereto in an entirely distinct manner.
  • the sealing gasket material 32A may optionally be applied to the exterior surface 18 of the mounting cup 12B of the aerosol assembly 10B as shown by coating 32B in Fig . 4.
  • Fig. 5 illustrates the steps in the formation of the mounting cup 12 shown in Fig. 1 under a prior art practice.
  • the formed mounting cups 12 are passed through an orienter 46 • which orients the mounting cups 12 such that the interior surface 17 is face up enabling an applicator 48 to apply a solvent based gasket material 32 to flow into the mounting cup rim 16. After the initial coating of the gasket material 32 , the mounting cups 12 are allowed to remain at an ambient temperature station 50 for a period of approximately one hour. The mounting cups 12 are then passed through progressive ovens 51 , 52 and 53 which respectively have
  • OMPI temperatures of approximately 150°C, 250°C and 350°C.
  • the mounting cups 12 remain in each of the ovens 51-53 for a period of one hour prior to being removed and cooled in position 54. After cooling, the mounting cups 12 may be fabricated in a conventional manner as should be well known to those skilled in the art.
  • Fig. 6 illustrates the step in the formation of the mounting cup 12 A shown in Fig. 3 under the first embodiment of the present invention.
  • the ribbon of roll stock 41 is disposed on a drum 42 to be passed through a series of progressive dies 44 to form the contour of the mounting cup 12 A shown in Fig. 3..
  • the formed mounting cups 12A are passed through an orienter 46A which orients the mounting cups such that the interior surface 17 A is face up and placed upon conveyor 60 which is preferably a dielectric material as shown in Figs. 7-9.
  • the conveyor 60 is shown as an endless conveyor disposed between drive rollers 62 and 64 to automatically move the mounting cups 12A through an electrostatic coating device 66.
  • the conveyor 60 includes a recess 68 for receiving the contour of the mounting cup 12A and to limit the coating to only the interior surface 17A of the mounting cup 12 A. It should be appreciated by those skilled in the art that numerous other types of conveyors may be utilized to coat selective portions of the mounting cup 12A or to reorient the mounting cup to coat both the exterior and interior surfaces 17A and 18A of the mounting cup 12 A as shown in Fig. 4.
  • An electrical conductor 70 is preferably spring biased into electrical contact to the mounting cup 12A as shown in Figs. 7-9.
  • the electrical connector 70 is preferably connected to the positive side of the electrostatic coating apparatus 66 shown in Fig. 6 with the negative side of the power supply being connected to the electrostatic spray nozzles 72 in Fig. 6.
  • the mounting cups 12 A are passed through the electrostatic coating apparatus 66 with charged particulate plastic material being sprayed from nozzles 72 to be attracted to the mounting cups 12 A by virtue of electrostatic attraction as shown more clearly in Fig. 8.
  • the mounting cups are discharged along a conveyor 74 powered by rollers 76 and 78.
  • the electrostatically coated mounting cups 12A are passed into a curing oven 80 for approximately 6 minutes at 218.5°C .
  • the curing oven melts the particulate plastic material into a continuous resilient gasket and protective coating .
  • the completed mounting cups 12 A are removed on conveyor 82 powered by rollers 78 and 84.
  • the prior art system shown in Fig. 5 required approximately four and one-half hours per mounting cup
  • the new process shown in Fig. 6 requires a total of approximately 8 minutes and provides a superior and more uniform coated sealing gasket 32A than heretofore realized in the prior art.
  • the electrostatic coating not only provides a sealing gasket to the rim 16 but ' also provides a protective coating to the interior surface 17 A and, if it is desired, including the inner edge of the central aperture in the mounting cup turret to protect the mounting cup from the product and propellant internal the aerosol container and any corrosive effects. Since the gasket material is deposited and cured subsequent to the fabrication of the mounting cup 12 A, the resilient sealing gasket is not stressed as in one of the prior art processes. Various materials may be used to coat the mounting cups 12A including polyethylene,” polypropylene, vinyl, nylon, acetate or other powdered plastic materials. The further advantage of the process resides in the short period of time required in the oven 80.
  • a continuous process oven may be used to melt the plastic powder to form the coating 32 A on the mounting cup 12 A.
  • the mounting cups 12 A may be coated on the interior and exterior surface 17 and 18 to provide a protective coating or a color coding depending upon the particular application of the mounting cup 12A in the aerosol industry.
  • various types of electrostatic spraying and orienting devices 46 may be utilized to accomplish the desired coating of the mounting cup 12 A.
  • the resilient plastic gasket coating 32A has a thickness between 0.25 mm and 0.762 mm.
  • E SHEET container This invention provides less coating damage than the precoated prior art process wherein a rolled stock is unrolled and epoxy coated with a gasket material. The coated stock is rerolled prior to stamping in a progressive die. Further, since the coating efficiency of the electrostatic process is higher than any other process heretofore utilized in the aerosol industry, the resultant cost of the coating is substantially less than the prior art. The process further eliminates the problem of solvent evaporation into the atmosphere which may adversely effect the environment.
  • Figs . 10 and 11 illustrate a variation of the embodiment shown in
  • the combined sealing gasket and . protective coating is preferentially disposed about the interior surface 17B of the mounting cup 12 B shown in Fig. 10.
  • the coating has a greater thickness in the rim 16 as illustrated by the thickness of the coating 32B as opposed to the adjacent areas 32C of the mounting cup 12B .
  • Coating areas 32D and 32E have a greater thickness than the adjacent areas 32F.
  • the preferential coating thickness as shown in Fig . 10 provides a thickness of material at 32B sufficient to provide a proper seal with the aerosol container while simultaneously minimizing the amount of material utilized for coating the entire interior surface 17B of the mounting cup 12B .
  • Fig . 11 illustrates the preferred method of forming the preferential coated mounting cup shown in Fig. 10.
  • the electrostatic head 100 includes a static chamber 104 having a discharge opening 102 which produces a static charge on the " plastic particles 106 as the particles are sprayed therethrough. Accordingly, an electrostatic power source is not required when utilizing this type of electrostatic spraying device.
  • electrostatic spraying device as used in this specification contemplates the use of both electrostatic spraying with an electrostatic power source as well as electrostatic spraying without the use of an electrostatic power source.
  • the sprayhead 100 is affixed to face in a downward direction to utilize the force of gravity (G) as indicated by the arrow 108 with the mounting cup 12B disposed on the conveyor 160 as shown, with the interior surface 17B facing upwardly with rim 16 located in recess
  • the force of gravity as illustrated by the arrow 108 acting on the particles 106 , provides a preferential increase in thickness in areas 32B , 32D and 32E in Fig. 10.
  • the spraying process is adjusted to enable the thickness of the coating 32B to be sufficient to provide a suitable seal with an aerosol container at rim 16. Accordingly, the coating thickness is preferentially thinner in areas that do not function as sealing surfaces but function as a protective coating such as 32C and 32F.
  • the ' preferential coating . thickness substantially reduces the cost and increases the reliability of the electrostatically sprayed plastic material by utilizing the force of gravity during the electrostatic spraying process.
  • the preferentially coated mounting cups 12B may then be" processed in the manner as set forth in Fig. 6.
  • the prior art mounting cup gasket typically uses a precoated steel having 0.227 kg of tin plate to 45.4 kg of steel. " This material can be secured with the tin plate on either one or plural sides.
  • the use of the coated mounting cup as shown in Fig . 3 eliminates the need for a tin coating on the interior surface 17 while the embodiment of Fig. 4 eliminates the need for tin coating, thus further reducing the cost of the materials. Accordingly, black plate steel may be utilized in lieu of tin plated steel, depending upon the process utilized under this invention.
  • Fig. 12 illustrates the steps in the formation of the mounting cup
  • a ribbon of roll stock 141 is disposed on a drum 142 and is passed through a series of progressive dies 144 to form the contour of the mounting cup 112 A.
  • the formed mounting cups 112 A are passed through an orienter 146 A which orients the mounting cups 112A on a perforated surface 160A with the interior surface 117A being disposed face up as shown in Fig . 13.
  • the perforated surface 160A includes a plurality of conduits 164 communicating with a vacuum line 166 connected to a vacuum pump (not shown) .
  • a plastic sheet 132A is preheated in a vacuum station 162 and laid over the interior surfaces 117A of the mounting cups 112A located on the perforated surface 160 A as shown in Fig. 14.
  • a vacuum is drawn on line 166 as shown by the arrows in Fig. 15 whereby the preheated plastic material 132A is bonded to the mounting cup 112A.
  • the mounting cup 112A is preferably provided with a lip aperture 170 enabling the vacuum to draw the sheet material 132A into the interior of the mounting cup rim 116 as shown in Fig. 15. Since the seal between the aerosol bead 34 (Fig. 2) and the mounting cup rim 116 is provided in the region 172, the rim aperture 170 does not affect the seal therebetween.
  • the sheet material 132A comprising the plurality of mounting cups 112A are transferred to a die cut station 168A wherein the individual mounting cups and gaskets 132A are severed from the plastic sheet.
  • the die cut station 168 A may also punch an aperture 174 in the sheet material 132A for accommodating the valve stem 123 as shown in Fig. 15.
  • the several mounting cups 112A are received by a conveyor 170A powered by rollers 172 and 174 for transfer for final assembly.
  • Figs. 16-18 illustrate alternate steps in the formation of a mounting cup 12 A shown in Fig. 3 under the present invention.
  • the mounting cup is fabricated in a manner similar to that shown in Fig. 12 . with the additional steps shown in Figs. 16-18.
  • the mounting cups 112A are passed through an orienter 146A which orients the mounting cups 112A on a perforated surface 160A having an indentation 161 for locating the mounting cups thereon.
  • the perforated surface includes a plurality of conduits 164 communicating with the vacuum line 166 connected to a vacuum pump as was herebefore described.
  • a plastic sheet 132 A is preheated in the vacuum station 162 and is laid over the interior surface 117A of the mounting cups 112A located on the perforated surface 160A as shown i Fig. 16.
  • a vacuum is drawn on line 166 as shown by the arrows in Fig. 18 whereby the preheated plastic material is drawn into the recesses of the mounting cup.
  • the use of the die 180 punches aperture
  • the annular portion 184 insures that the sheet material 132A is bonded -to the interior of cup rim 116 as shown in Fig. 18.
  • the use of the die 180 may be used independent of the rim aperture 170 as shown in Figs. 13-15 or may be used in combination therewith, depending upon the particular application and plastic used.
  • suitable materials include polyethylene, acetate, vinyl, polypropylene or other plastic materials.
  • the plastic has a thickness of 0.254 mm to 0.508 mm.
  • the coating provides a sealing gasket to the rim 116 of the mounting cup in addition to providing a protective coating to the interior surface 117A of the mounting cup 112A.
  • the present process reduces the prior art four and one-half hours fabrication time of coating a mounting cup to approximately 10 minutes. The substantial reduction in time and expense results in a substantial savings of the fabrication costs of the . mounting cup to the aerosol industry.
  • the liberation of undesired solvents over the prior art provides a reduction of undesired chemicals from the atmosphere which may, in some cases, produce an undesired environmental impact.

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)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

Un conteneur d'aérosol (36) possède un bourrelet d'étanchéité (34) disposé autour d'une ouverture supérieure dans le conteneur (36). Un godet de montage (12) possède un rebord d'étanchéité (16) s'étendant autour de sa périphérie. Une soupape (10) est disposée dans le godet (12) pour assurer la communication du fluide entre l'intérieur et l'extérieur du conteneur. Dans un mode de réalisation, un joint d'étanchéité (32A) est appliqué électrostatiquement sur l'un des bourrelets d'étanchéité pour assurer un joint étanche au fluide entre le godet (12) et le conteneur (36). Dans un autre mode de réalisation, un joint d'étanchéité (132A) est appliqué sur l'un des bourrelets d'étanchéité par un procédé d'enroulement par retrait. L'invention comprend des procédés d'application d'un matériau élastique, électrostatiquement ou par un procédé d'enroulement par retrait pour créer le joint entre le godet de montage et le conteneur. Un mode particulier de réalisation consiste en une combinaison d'un joint d'étanchéité et d'un revêtement protecteur pour le godet de montage avec une épaisseur de revêtement uniforme ou préférentielle.
EP19830900763 1982-01-20 1983-01-19 Godet de montage d'un aerosol Withdrawn EP0099401A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US34107282A 1982-01-20 1982-01-20
US341072 1982-01-20
US42553782A 1982-09-28 1982-09-28
US425537 1982-09-28

Publications (1)

Publication Number Publication Date
EP0099401A1 true EP0099401A1 (fr) 1984-02-01

Family

ID=26992366

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19830900763 Withdrawn EP0099401A1 (fr) 1982-01-20 1983-01-19 Godet de montage d'un aerosol

Country Status (3)

Country Link
EP (1) EP0099401A1 (fr)
CA (1) CA1194005A (fr)
WO (1) WO1983002437A1 (fr)

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CA1232581A (fr) * 1982-09-28 1988-02-09 Michael G. Knickerbocker Monture pour valve aerosol
IT1223451B (it) * 1987-11-24 1990-09-19 Coster Tecnologie Speciali Spa Procedimento per ottenere fondelli metallici protetti per valvole per aerosol e simili
ES2112863T3 (es) * 1990-07-18 1998-04-16 Precision Valve Corp Junta multicapa para cierre de envase de aerosol.
US5881929A (en) * 1997-04-25 1999-03-16 Summit Packaging Systems, Inc. Plastic coated mounting cup for spray button seal
US6161599A (en) * 1999-04-15 2000-12-19 Summit Packaging Systems, Inc, Actuator with a longitudinal filling passageway communicating with each formed internal compartment
US6152190A (en) * 1999-04-15 2000-11-28 Summit Packaging Systems, Inc. Actuator with resilient annular skirt for improved seal during button-on-filling process

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FR2450758B1 (fr) * 1979-03-08 1986-01-17 Valois Sa Dispositif de montage de valve dans un recipient aerosol

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Also Published As

Publication number Publication date
WO1983002437A1 (fr) 1983-07-21
CA1194005A (fr) 1985-09-24

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