EP1164888A2 - Foam dispensing packet - Google Patents

Foam dispensing packet

Info

Publication number
EP1164888A2
EP1164888A2 EP00926754A EP00926754A EP1164888A2 EP 1164888 A2 EP1164888 A2 EP 1164888A2 EP 00926754 A EP00926754 A EP 00926754A EP 00926754 A EP00926754 A EP 00926754A EP 1164888 A2 EP1164888 A2 EP 1164888A2
Authority
EP
European Patent Office
Prior art keywords
pouch
foam
sponge
packet according
packet
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Withdrawn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
EP00926754A
Other languages
German (de)
French (fr)
Inventor
Josephine Telesca
Raymond Michael Flaig
Craig Stephen Slavtcheff
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.)
Unilever PLC
Unilever NV
Original Assignee
Unilever PLC
Unilever NV
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 Unilever PLC, Unilever NV filed Critical Unilever PLC
Publication of EP1164888A2 publication Critical patent/EP1164888A2/en
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D27/00—Shaving accessories
    • A45D27/02—Lathering the body; Producing lather
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • A45D40/0087—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks for samples
    • 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
    • B05B11/04—Deformable containers producing the flow, e.g. squeeze bottles
    • B05B11/042—Deformable containers producing the flow, e.g. squeeze bottles the spray being effected by a gas or vapour flow in the nozzle, spray head, outlet or dip tube
    • B05B11/043—Deformable containers producing the flow, e.g. squeeze bottles the spray being effected by a gas or vapour flow in the nozzle, spray head, outlet or dip tube designed for spraying a liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0018—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam
    • B05B7/0025—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply
    • B05B7/0031—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns
    • B05B7/0037—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas with devices for making foam with a compressed gas supply with disturbing means promoting mixing, e.g. balls, crowns including sieves, porous members or the like
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52—Details
    • B65D75/58—Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5816—Opening or contents-removing devices added or incorporated during package manufacture for tearing a corner or other small portion next to the edge, e.g. a U-shaped portion
    • B65D75/5822—Opening or contents-removing devices added or incorporated during package manufacture for tearing a corner or other small portion next to the edge, e.g. a U-shaped portion and defining, after tearing, a small dispensing spout, a small orifice or the like

Definitions

  • the present invention concerns a device, for example a sampler packet, for delivering a composition, such as a cleansing cosmetic composition, in foam form.
  • Foamed cosmetic compositions can be generated by either propellant or mechanical driven pump mechanisms.
  • Mechanical pumps such as described in U.S. Patent 5,364,031 (Taniguchi et al.) force a cosmetic liquid composition through a pair of meshed screens. The screens entrap a predetermined amount of air within the cosmetic composition transforming the liquid into a foam. It would be highly desirable to obtain the same effect at lower costs. Pump mechanisms are normally expensive, prohibitively so when applied to small sampler packaging.
  • a composition such as a cleansing cosmetic composition
  • a mechanical pump it is an object of the present invention to provide a packet from which a composition, such as a cleansing cosmetic composition, can be delivered in foam form without the use of a mechanical pump.
  • Another object of the present invention is to provide a trial size packet from which a liquid product can be converted to a deep foaming liquid upon exit from the packet.
  • the present invention provides a foam-dispensing packet which comprises: a sealed pouch having at least one flexible wall, the pouch comprising an interior chamber and a channel communicating with the chamber for dispensing foam when the pouch is opened, a sponge disposed within the chamber, and a foamable fluid within the chamber, wherein the foamable fluid forms a foam when intermittent pressure is applied against the flexible wall thereby squeezing the sponge.
  • the present invention also provides a method for dispensing foam from packets.
  • This method comprises: opening a sealed pouch, wherein the pouch has at least one flexible wall, an interior chamber and a channel communicating with the interior chamber for dispensing foam therefrom, and disposed within the interior chamber a sponge and a foamable fluid; applying intermittent squeezing pressure against the at least one flexible wall; and collecting foam dispensed through the channel of the pouch.
  • Fig. 1 is a front perspective partial cross-sectional view of a packet according to the present invention.
  • Fig. 2 is a cross-sectional view along line 2-2 of
  • the applicant has developed a packet for foaming liquid products which does not necessitate use of costly foaming screens or other traditional foaming mechanisms associated with dispensing containers.
  • the packets of the present invention are typically sample size.
  • Fig. 1 illustrates a sealed pouch 2 having at least one flexible wall 4 defining a major surface of the pouch.
  • An interior chamber 6 and a channel 8 are formed between walls of the pouch.
  • a sponge 10 and a foamable fluid 12 are contained within the interior chamber 6.
  • the sponge may either be open or closed cell. Closed cell sponges being preferred.
  • a sponge with reticulated structure can be employed, such sponges are available from the General Foam Corporation, Paramus, New Jersey.
  • the walls of the pouch may be formed of a flexible plastics material.
  • Suitable plastics materials include polya ide, polypropylene, polyethylene and polyesters such as polyethylene terephthalate. Particularly useful are laminates of at least two different materials (foils) .
  • the laminate is a combination of a polyamide (nylon) and polyethylene.
  • a tear line 14 may be marked across a surface of an exterior wall of the pouch.
  • a scissor symbol may be printed near the tear line to instruct consumers on proper opening of the pouch.
  • a notch 16 may also be provided for assistance when opening the pouch.
  • the tear line 14 should traverse an area of the wall that defines the channel 8.
  • Fig. 2 illustrates seal 18.
  • the seal is a heat seal.
  • the seal closes one or more borders of the pouch.
  • the capacity of the pouch for foamable fluid is typically from about 15 to about 120 ml, preferably from about 30 to about 70 ml.
  • the foamable fluids used in the present invention generally contain a surfactant.
  • Suitable surfactants may be selected from anionic, nonionic, cationic, amphoteric and mixtures thereof.
  • Typical anionic surfactants are alkali metal salts of lauryl sulphate, lauryl ether sulphate, acyl isethionate, alkyl glyceryl ether sulphonate, alkyl sarcosinate and alkyl benzene sulphonate and mixtures of these.
  • Typical nonionic surfactants are C 12 -C 20 fatty alcohol and fatty acid alkoxylates, alkyl polyglycosides, methylglucamides and combinations of these.
  • Suitable cationic surfactants include cetrimonium chloride.
  • Suitable amphoteric surfactants include cocoamidopropylbetaine and cocolaurylamphoacetate and mixtures thereof.
  • the amount of surfactant is typically from about 0.5 to about 60%, more preferably from about 1 to about 20% by weight of the composition.
  • conditioning agents may be useful. These agents include volatile and nonvolatile silicones such as dimethicone and
  • Polymer JR natural oils and esters including petrolatum, sunflower seed oil, maleated soybean oil and isopropyl myristate.
  • the conditioning agents are typically present in an amount of from about 0.01 to about 20% by weight of the composition.
  • Humectants for moisturization may also be included. These are represented by polyols such as glycerin, polyethyleneglycol, polypropyleneglycol, butyleneglycol, propyleneglycol, sorbitan and mixtures thereof.
  • the humectants are typically present in an amount of from about 0.1 to about 50% by weight of the composition.
  • Solvents may also be present in the fluid compositions of this invention. Suitable solvents include water and monohydric Ci-C ⁇ alcohols. The amounts of solvent may range from about 1 to about 99%, optimally from about 40 to about 80% by weight of the composition.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Packages (AREA)

Abstract

The foam-dispensing packet comprises a sealed pouch (2) having at least one flexible wall (4), the pouch comprising an interior chamber (6) and a channel (8) for dispensing foam from the interior chamber. A sponge (10) is disposed within the chamber as well as a foamable fluid (12). When intermittent pressure is applied against the pouch wall (4), thereby squeezing the sponge (10), foam is released from the opened packet.

Description

FOAM DISPENSING PACKET
BACKGROUND OF THE INVENTION
Field of the Invention
The present invention concerns a device, for example a sampler packet, for delivering a composition, such as a cleansing cosmetic composition, in foam form.
The Related Art
Foamed cosmetic compositions can be generated by either propellant or mechanical driven pump mechanisms. Mechanical pumps such as described in U.S. Patent 5,364,031 (Taniguchi et al.) force a cosmetic liquid composition through a pair of meshed screens. The screens entrap a predetermined amount of air within the cosmetic composition transforming the liquid into a foam. It would be highly desirable to obtain the same effect at lower costs. Pump mechanisms are normally expensive, prohibitively so when applied to small sampler packaging.
Accordingly, it is an object of the present invention to provide a packet from which a composition, such as a cleansing cosmetic composition, can be delivered in foam form without the use of a mechanical pump.
Another object of the present invention is to provide a trial size packet from which a liquid product can be converted to a deep foaming liquid upon exit from the packet.
These and other objects of the present invention will become more readily apparent from the following summary and detailed discussion.
SUMMARY OF THE INVENTION
The present invention provides a foam-dispensing packet which comprises: a sealed pouch having at least one flexible wall, the pouch comprising an interior chamber and a channel communicating with the chamber for dispensing foam when the pouch is opened, a sponge disposed within the chamber, and a foamable fluid within the chamber, wherein the foamable fluid forms a foam when intermittent pressure is applied against the flexible wall thereby squeezing the sponge.
The present invention also provides a method for dispensing foam from packets. This method comprises: opening a sealed pouch, wherein the pouch has at least one flexible wall, an interior chamber and a channel communicating with the interior chamber for dispensing foam therefrom, and disposed within the interior chamber a sponge and a foamable fluid; applying intermittent squeezing pressure against the at least one flexible wall; and collecting foam dispensed through the channel of the pouch.
BRIEF DESCRIPTION OF THE DRAWINGS
Additional objects, features and embodiments of the present invention will become more readily apparent from consideration of the following drawings in which:
Fig. 1 is a front perspective partial cross-sectional view of a packet according to the present invention; and
Fig. 2 is a cross-sectional view along line 2-2 of
Fig. 1.
DETAILED DESCRIPTION OF THE INVENTION
The applicant has developed a packet for foaming liquid products which does not necessitate use of costly foaming screens or other traditional foaming mechanisms associated with dispensing containers. The packets of the present invention are typically sample size.
Fig. 1 illustrates a sealed pouch 2 having at least one flexible wall 4 defining a major surface of the pouch. An interior chamber 6 and a channel 8 are formed between walls of the pouch. A sponge 10 and a foamable fluid 12 are contained within the interior chamber 6.
Any type of sponge may be employed for the present invention. The sponge may either be open or closed cell. Closed cell sponges being preferred. Advantageously a sponge with reticulated structure can be employed, such sponges are available from the General Foam Corporation, Paramus, New Jersey.
The walls of the pouch may be formed of a flexible plastics material. Suitable plastics materials include polya ide, polypropylene, polyethylene and polyesters such as polyethylene terephthalate. Particularly useful are laminates of at least two different materials (foils) . In a preferred embodiment, the laminate is a combination of a polyamide (nylon) and polyethylene.
A tear line 14 may be marked across a surface of an exterior wall of the pouch. A scissor symbol may be printed near the tear line to instruct consumers on proper opening of the pouch. A notch 16 may also be provided for assistance when opening the pouch. The tear line 14 should traverse an area of the wall that defines the channel 8.
Fig. 2 illustrates seal 18. Typically the seal is a heat seal. The seal closes one or more borders of the pouch.
The capacity of the pouch for foamable fluid is typically from about 15 to about 120 ml, preferably from about 30 to about 70 ml.
The foamable fluids used in the present invention generally contain a surfactant. Suitable surfactants may be selected from anionic, nonionic, cationic, amphoteric and mixtures thereof. Typical anionic surfactants are alkali metal salts of lauryl sulphate, lauryl ether sulphate, acyl isethionate, alkyl glyceryl ether sulphonate, alkyl sarcosinate and alkyl benzene sulphonate and mixtures of these. Typical nonionic surfactants are C12-C20 fatty alcohol and fatty acid alkoxylates, alkyl polyglycosides, methylglucamides and combinations of these. Suitable cationic surfactants include cetrimonium chloride. Suitable amphoteric surfactants include cocoamidopropylbetaine and cocolaurylamphoacetate and mixtures thereof. The amount of surfactant is typically from about 0.5 to about 60%, more preferably from about 1 to about 20% by weight of the composition.
When the composition contained in a packet of the invention is intended for application to the skin or hair, conditioning agents may be useful. These agents include volatile and nonvolatile silicones such as dimethicone and
® cyclomethicone, cationic polymers such as Jaguar C13S and
Polymer JR, natural oils and esters including petrolatum, sunflower seed oil, maleated soybean oil and isopropyl myristate. The conditioning agents are typically present in an amount of from about 0.01 to about 20% by weight of the composition.
Humectants for moisturization may also be included. These are represented by polyols such as glycerin, polyethyleneglycol, polypropyleneglycol, butyleneglycol, propyleneglycol, sorbitan and mixtures thereof. The humectants are typically present in an amount of from about 0.1 to about 50% by weight of the composition. Solvents may also be present in the fluid compositions of this invention. Suitable solvents include water and monohydric Ci-Cζ alcohols. The amounts of solvent may range from about 1 to about 99%, optimally from about 40 to about 80% by weight of the composition.
The foregoing description and drawing illustrate selected embodiments of the present invention. In light thereof variations and modifications will be suggested to one skilled in the art, all of which are within the spirit and purview of this invention.

Claims

1. A foam dispensing packet comprising: a sealed pouch having at least one flexible wall, the pouch comprising an interior chamber and a channel communicating with the chamber for dispensing foam when the pouch is opened, a sponge disposed within the chamber, and a foamable fluid within the chamber, wherein the foamable fluid forms a foam when intermittent pressure is applied against the flexible wall thereby squeezing the sponge.
2. A packet according to claim 1 wherein the sponge is an open or closed cell sponge.
3. A packet according to claim 1 wherein the sponge has a reticulated structure.
4. A packet according to any one of the preceding claims wherein all the walls of the pouch are formed of a flexible plastics material.
5. A packet according to any one of the preceding claims wherein the walls of the pouch are formed of laminate comprising at least two layers of plastics material.
6. A packet according to claim 5 wherein the layers of the laminate are selected from polyamide, polypropylene, polyethylene and polyester.
7. A packet according to any one of the preceding claims wherein the interior chamber has a capacity for fluid of from about 15 to about 120 ml.
8. A packet according to claim 7 wherein the capacity ranges from "about 30 to about 70 ml.
9. A packet according to any one of the preceding claims further comprising a tear line marked across a wall of the pouch.
10. A packet according to claim 9 wherein the tear line is notched near an edge of the packet.
11. A method for dispensing a foam product from a packet comprising: opening a sealed pouch, wherein the pouch has at least one flexible wall, an interior chamber and a channel communicating with the interior chamber for dispensing foam therefrom, and disposed within the interior chamber a sponge and a foamable fluid; applying intermittent squeezing pressure against the at least one flexible wall; and collecting foam dispensed through the channel of the pouch.
EP00926754A 1999-03-31 2000-03-22 Foam dispensing packet Withdrawn EP1164888A2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US28383399A 1999-03-31 1999-03-31
US283833 1999-03-31
PCT/EP2000/002591 WO2000059335A2 (en) 1999-03-31 2000-03-22 Foam dispensing packet

Publications (1)

Publication Number Publication Date
EP1164888A2 true EP1164888A2 (en) 2002-01-02

Family

ID=23087763

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00926754A Withdrawn EP1164888A2 (en) 1999-03-31 2000-03-22 Foam dispensing packet

Country Status (9)

Country Link
EP (1) EP1164888A2 (en)
JP (1) JP2002541027A (en)
KR (1) KR20020095019A (en)
CN (1) CN1345198A (en)
AU (1) AU4539500A (en)
BR (1) BR0009467A (en)
CA (1) CA2367139A1 (en)
MX (1) MXPA01009856A (en)
WO (1) WO2000059335A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6547063B1 (en) * 2000-10-10 2003-04-15 The Procter & Gamble Company Article for the delivery of foam products
FR2817844B1 (en) * 2000-12-08 2003-03-28 Valois Sa FLUID PRODUCT DISPENSER
WO2003011476A2 (en) * 2001-07-25 2003-02-13 Aerome Gmbh Scent System Engineering Dispenser for substances containing active agents
KR100713993B1 (en) * 2006-03-06 2007-05-04 주식회사 엘지생활건강 Cosmetic containers
CN104583094B (en) * 2012-06-22 2017-06-30 雀巢产品技术援助有限公司 Flexible packaging
KR200470904Y1 (en) * 2012-10-29 2014-01-27 (주)엔코스 Pouch for a Bath
JP5961536B2 (en) * 2012-11-30 2016-08-02 株式会社吉野工業所 Bubble container
JP2017186051A (en) * 2016-04-07 2017-10-12 明星産商株式会社 Disposable foam generator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3174654A (en) * 1961-12-04 1965-03-23 Reiner George Dispensing package with resilient block
US3428222A (en) * 1966-11-07 1969-02-18 Hershel Earl Wright Foam dispensing device
US3897005A (en) * 1972-11-13 1975-07-29 George Reiner Convenience spray dispensing packet
US3913789A (en) * 1974-02-13 1975-10-21 United States Banknote Corp Fluid container of the flexible wall capsule type
US5364031A (en) 1993-06-10 1994-11-15 The Procter & Gamble Company Foam dispensing nozzles and dispensers employing said nozzles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO0059335A2 *

Also Published As

Publication number Publication date
MXPA01009856A (en) 2002-05-06
CN1345198A (en) 2002-04-17
BR0009467A (en) 2002-01-08
WO2000059335A3 (en) 2001-02-08
JP2002541027A (en) 2002-12-03
CA2367139A1 (en) 2000-10-12
KR20020095019A (en) 2002-12-20
WO2000059335A2 (en) 2000-10-12
AU4539500A (en) 2000-10-23

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