US3720376A - Method of attaching innermost of two containers to a dispensing valve carried by the outermost container - Google Patents

Method of attaching innermost of two containers to a dispensing valve carried by the outermost container Download PDF

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Publication number
US3720376A
US3720376A US00154417A US3720376DA US3720376A US 3720376 A US3720376 A US 3720376A US 00154417 A US00154417 A US 00154417A US 3720376D A US3720376D A US 3720376DA US 3720376 A US3720376 A US 3720376A
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US
United States
Prior art keywords
spout
neck
inner container
valve
cup
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
US00154417A
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English (en)
Inventor
B Morane
P Alexandre
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LOreal SA
Original Assignee
LOreal SA
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Filing date
Publication date
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Publication of US3720376A publication Critical patent/US3720376A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers for dispensing liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant
    • B65D83/68—Dispensing two or more contents
    • B65D83/682—Dispensing two or more contents initially separated and subsequently mixed

Definitions

  • ABSTRACT Valve in outer jacket carries depending cup having bottom with annular projection and lateral projection on its side walls. This cup is ultrasonically welded to a connecting member having an annular seat into which the neck of the inner container is screwed and cemented,
  • the inside of the outer jacket which holds one of the products be coated and that both the inside and outside of an inner container attached to the dispensing valve of the outer jacket be similarly coated.
  • This valve is adapted to simultaneously dispense the product enclosed in the outer jacket and the product enclosed in the inner container.
  • the inner con tainer be made of metallic sheet material such as a thin sheet of aluminum for example, sandwiched between two plastic sheets, such as polyethylene. It has been found in these two cases that difficulties are encountered in making a fluid-tight seal between the inside of the inner container and the inside of the outer jacket. These difficulties are encountered principally in the area in which the inner container is connected to the dispensing valve carried by the outer jacket.
  • the present invention is accordingly directed to a new method of attaching the neck of the inner container within a pressurized jacket to the lower cup of the dispensing valve of the outer jacket, and is essentially characterized by the fact that a plastic connecting spout, preferably of the acetal type, is heat sealed in a fluid-tight manner to the lower cup of the valve, which valve is likewise made of a plastic material, preferably acetaL'Said.
  • spout comprisesv a central passageway in which. the lower cup of the valve is seated and heat sealecLThisv spout also comprises an annular seat encircling said passageway into which the neck of the-interior container may be screwed.
  • the neck of the interior container is adhesively secured to the annular peripheral seatby a fluid resin containing a setting agent.
  • the a dispensing valve of the pressurized container is first mounted'onametallic cap which supports it.
  • the lower cup of the valve comprisesan'annular projection on its base, which base is inserted into the central passageway of the connecting spout,'and a peripheraliprojection mounted on the lateral wall of the base.
  • the central passageway in the spout has a bottom adapted to come in contact with the, annular ring on the base of the lower cup of the valve.
  • the bottoms of the spout and the lower cup are centrally pierced to permit the passage of the. product contained in the inner container through the dispensing valve.
  • the lower cup of the valve and the connecting spout are ultrasonically welded together.
  • the ultrasonic welding is produced by means of a vibrating electrode called a sonatrode, the volume of which is equal to about times the volume of the connecting spout.
  • the neck of the inner container is not seated in the spout during this welding.
  • the ultrasonic waves applied during the welding have a frequency between 19,000 and 21,000 cycles per second.
  • the sonatrode is applied to the bottom of the spout against which the annular projection from the base of the lower cup of the valve rests, said valve being supported in order to support the weight of the sonatrode but not being laterally gripped.
  • the neck by means of which the inner container is attached inside the peripheral annular seat of the connecting spout has male threads on its outer wall and the connecting spout has corresponding female threads on its inner wall.
  • the neck of the inner container is attached to the connecting spout by means of an adhesive of the epoxy type having a bis-phenol base, sold under the trademark Araldite 201 by the Societe CIBA, and mixed in a suitable quantity with a polyamide setting agent.
  • the quantity of adhesive spread on the neck of the inner container to insure its connection to the connecting spout is between 0.15 and 0.25 grams for a neck having an outer diameter of about 15 mm.
  • the wall of the central passageway of the connecting spout which comes in contact with the inner wall of the neck of the inner container is slightly conical so as to decrease the width of the annular peripheral seat in the spout as this wall approaches the top of the neck.
  • the ultrasonic welding between the connecting spout and the lower cup of the valve is perfectly fluid tight.
  • the process according to the invention as described produces a seal not only along the annular projection on the base of the valve, but also along the peripheral projection from the lateral wall of the lower cup of the valve.
  • neither the spout nor the valve are in any way damaged.
  • a further object of the present invention is to provide as a new article of manufacture, a pressurized container comprising an outer jacket equipped with 1 a dispensing valve to the lower cup of which is attached the neck of an inner container, with the outer jacket and inner container each holding at least one fluid product.
  • the two products may, for example, be chemically incompatible but simultaneously dispensed.
  • This device is essentially characterized by the fact that the neck of the inner container is attached to the lower cup of the valve by the above process, utilizing a connecting spout as hereinbefore described.
  • FIG. 1 shows in axial section a pressurized dispenser according to the invention
  • FIG. 2 shows an axial section in greater detail the attachment of the connecting spout to the lower cup of the valve by ultrasonic welding
  • FIG. 3 shows in partial axial section and in detail the connecting spout and the lower cup of the valve after the welding operation illustrated in FIG. 2.
  • reference numeral 1 designates the outer jacket of the pressurized dispenser according to the invention.
  • This outer jacket holds a product 2.
  • the outer jacket 1 may be made by extruding a disc of metal and may be internally coated in a conventional manner to resist chemical corrosion by the product 2.
  • a cap 3 which supports a dispensing valve 4 and is attached to the outer jacket 1 by a crimped joint 5.
  • the valve 4 has a dispensing orifice 4a and its lower cup projects into the jacket 1 and has a bottom 6 which is pierced along the axis of an orifice 7.
  • Reference numeral 4b indicates the lateral wall of the valve 4.
  • the bottom 6 is provided with an annular projecting ring 9 having the same axis as the orifice 7.
  • the lower part 4b-6 of the valve 4 is attached to a connecting spout carrying reference numeral 10.
  • the spout 10 is provided with a central tube 11 which leads at its lower end to a bottom 12 centrally pierced by an orifice 13.
  • a play of 0.2 mm is provided between the inner diameter of the central tube 11 of the spout l0 and the outer diameter of the projection 8.
  • the lateral wall 14 of an annular seat 15 which encircles the central tube 11 is connected to the end thereof remote from the bottom 12.
  • the wall 14 carries an inner female thread 140 which cooperates with the male thread 16a of the neck 16 of an inner container 17.
  • the container 17 is made in a conventional manner by extruding a disc of metal and coating the inner and outer walls thereof in accordance with the process described in U.S. application Ser. No. 124,360, filed Mar. 15,1971.
  • the container 17 holds a product 18 and the upper part of its neck 16 is gripped inside an annular seat 15 by reason of the conicity which is provided on the surface of the wall 11, which is in contact with the collar 16. This conicity is about 25.
  • a sonatrode is applied to the base 12 of the spout 10.
  • This sonatrode 20 has a volume 150 times that of the spout 10.
  • the valve 4 is carried by the support 19 but is not held laterally.
  • a play of 0.5 mm is provided between the annular projection 9 and the base 12 of the spout 10.
  • the sonatrode 20 produces electrasonic waves at 20,000 cycles/sec. for a length of about 1 second.
  • the lower cup of the valve 4 and the connecting spout are made of a resin of the Acetal type.
  • an adhesive material of the epoxy type having a bis-phenol base and sold under the trademark Araldite 201 by the CIBA Corporation is applied by a piston dispenser to the neck of the inner container 17.
  • This adhesive is mixed in suitable proportions with a setting agent of the polyamide type.
  • the external diameter of the neck 16 is 16.2 mm when the interior diameter of the spout at the bottom of the threads is 16.5 mm.
  • the adhesive material is positioned on the threads 16a of the inner container 17 and this container is screwed into the seat in the spout so that the threads 16a cooperate with the threads 14a.
  • the adhesive material deposited on the threads 16a then hardens to produce a fluid tight seal between the inner container 17 and the connecting spout 10.
  • the outer jacket 1 holds 45 cm of a product 2 which is a solution of an oxidizing hair dye responding to the following formula:
  • the container 17 holds 45 cm of an oxidizing product 18 responding to the following formula:
  • the inside of the jacket 1 is pressurized with 8 grams of trichloromonofluoro-methane which constitutes the propellant gas 21.
  • the metallic wall of the container 17 has been protected on both inside and outside from corrosion by means by a coating material applied in several layers at the rate of 45 mg/cm of the wall, said coating material responding to the following formula:
  • vinyl chloride 18.5% vinyl acetochloride containing 1% maleic acid 6.5% phenolic resin obtained by condensing phenol with formaldehyde 2.23% titanium oxide phosphoric acid 0.1 1% polyethylene wax 0.8% solvent as hereinbefore defined q.s. 100%
  • This coating material is applied by means of a solvent using the process described in French Patent No. 70-14192.
  • the inner wall of the outer jacket 1 has also been coated in the same way with a coating material having the same formula as the one used for the inner container 17.
  • such a dispenser makes it possible to store the dyeing composition 2 and the associated oxidizing solution 18 for 4 months at 40C without any deterioration in either the chemical composition of the products 2 or 18 or in the resistance to corrosion in the areas connecting the neck 16 and the spout 10. In other words, at the end of such a period of storage, it is possible, by acting on the dispensing spout 4a of the valve 4, to simultaneously dispense the dyeing composition 2 and its associated oxidizing solution 18.
  • Method of attaching the plastic neck of an inner container to be enclosed within a pressurized outer jacket to a plastic dispensing valve carried by said outer jacket and comprising a lower cup which method comprises the steps of ultrasonically welding to said cup a connecting spout having a central tube in which said outer cup is seated and welded, said spout also having an annular seat encircling said passageway to which the neck of said inner container may be attached, said method comprising the further step of cementing the neck of the inner container in said peripheral annular seat by means of a resinous fluid containing a setting agent.
  • Pressurized container comprising an outer jacket provided with a dispensing valve having an inner cup, and an inner container having a neck connected to said cup, the inner container and the outer jacket each enclosing at least one fluid product, said products being chemically incompatible, essentially characterized by the fact that the neck of the inner container is attached to the cup of the valve by the process of claim 3.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Nozzles (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
US00154417A 1970-06-24 1971-06-18 Method of attaching innermost of two containers to a dispensing valve carried by the outermost container Expired - Lifetime US3720376A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7023382A FR2094539A5 (de) 1970-06-24 1970-06-24

Publications (1)

Publication Number Publication Date
US3720376A true US3720376A (en) 1973-03-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
US00154417A Expired - Lifetime US3720376A (en) 1970-06-24 1971-06-18 Method of attaching innermost of two containers to a dispensing valve carried by the outermost container

Country Status (4)

Country Link
US (1) US3720376A (de)
DE (1) DE2129669A1 (de)
FR (1) FR2094539A5 (de)
GB (1) GB1322085A (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6227416B1 (en) * 2000-03-14 2001-05-08 Jung Kuo Enterprise Co., Ltd. Depressable cap of a bottle for ejecting contents
US6520377B2 (en) * 2000-02-04 2003-02-18 L'oreal Dispenser for selectively dispensing separately stored components
US6920904B2 (en) 2001-05-09 2005-07-26 L'oreal S.A. Device for packaging and dispensing at least two products
US20060054634A1 (en) * 2002-06-26 2006-03-16 Satoshi Mekata Packaging container for discharge of plurality of contents, packaging product including the packaging container and process for producing the packaging product
US20100163436A1 (en) * 2006-08-15 2010-07-01 Diageo Great Britain Limited Insert for beverage container

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2550303A1 (fr) * 1983-08-03 1985-02-08 Aerosol Inventions Dev Valve pour la distribution simultanee de deux substances fluides sous pression
DE3535908A1 (de) * 1985-10-08 1987-04-09 Aerosol Inventions Dev Vorrichtung zur dichten befestigung eines ansatzstuecks in dem hals eines behaelters sowie mit einer solchen vorrichtung ausgestattete aerosolflasche

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2888208A (en) * 1956-05-02 1959-05-26 Vaporisateurs Marcel Frank S A Atomizers, in particular perfume atomizers
US2973885A (en) * 1960-04-11 1961-03-07 Staley Mfg Co A E Pressurizable dispenser
US3255926A (en) * 1965-02-09 1966-06-14 Modern Lab Inc Compartmented pressurized dispensing device
US3325056A (en) * 1966-02-23 1967-06-13 Du Pont Apparatus for codispensing a plurality of liquids
US3372839A (en) * 1966-10-31 1968-03-12 Du Pont Dispenser with means to prevent bursting of the container
US3508685A (en) * 1968-03-28 1970-04-28 Gillette Co Dispensing device
US3525456A (en) * 1968-10-08 1970-08-25 Dart Ind Inc Snap action nonthrottling fluids dispensing valve
US3565290A (en) * 1968-11-25 1971-02-23 Dart Ind Inc Shutoff valve means for two pressurized sources responsive to failure of one source
US3581952A (en) * 1969-05-22 1971-06-01 Geigy Chem Corp Plug valve assembly for fluid product dispenser having retaining ring supporting a propellant cartridge
US3595440A (en) * 1969-05-02 1971-07-27 Dart Ind Inc Dual-dispensing valve with means to prevent throttling action

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2888208A (en) * 1956-05-02 1959-05-26 Vaporisateurs Marcel Frank S A Atomizers, in particular perfume atomizers
US2973885A (en) * 1960-04-11 1961-03-07 Staley Mfg Co A E Pressurizable dispenser
US3255926A (en) * 1965-02-09 1966-06-14 Modern Lab Inc Compartmented pressurized dispensing device
US3325056A (en) * 1966-02-23 1967-06-13 Du Pont Apparatus for codispensing a plurality of liquids
US3372839A (en) * 1966-10-31 1968-03-12 Du Pont Dispenser with means to prevent bursting of the container
US3508685A (en) * 1968-03-28 1970-04-28 Gillette Co Dispensing device
US3525456A (en) * 1968-10-08 1970-08-25 Dart Ind Inc Snap action nonthrottling fluids dispensing valve
US3565290A (en) * 1968-11-25 1971-02-23 Dart Ind Inc Shutoff valve means for two pressurized sources responsive to failure of one source
US3595440A (en) * 1969-05-02 1971-07-27 Dart Ind Inc Dual-dispensing valve with means to prevent throttling action
US3581952A (en) * 1969-05-22 1971-06-01 Geigy Chem Corp Plug valve assembly for fluid product dispenser having retaining ring supporting a propellant cartridge

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6520377B2 (en) * 2000-02-04 2003-02-18 L'oreal Dispenser for selectively dispensing separately stored components
US6227416B1 (en) * 2000-03-14 2001-05-08 Jung Kuo Enterprise Co., Ltd. Depressable cap of a bottle for ejecting contents
US6920904B2 (en) 2001-05-09 2005-07-26 L'oreal S.A. Device for packaging and dispensing at least two products
US20060054634A1 (en) * 2002-06-26 2006-03-16 Satoshi Mekata Packaging container for discharge of plurality of contents, packaging product including the packaging container and process for producing the packaging product
US7455195B2 (en) * 2002-06-26 2008-11-25 Daizo Co., Ltd. Container for discharging plural contents, a dispenser using the container, and a process for producing the dispenser
US20100163436A1 (en) * 2006-08-15 2010-07-01 Diageo Great Britain Limited Insert for beverage container

Also Published As

Publication number Publication date
GB1322085A (en) 1973-07-04
DE2129669A1 (de) 1971-12-30
FR2094539A5 (de) 1972-02-04

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