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EP2066360A2 - Procédé pour mettre au point, fabriquer et utiliser un appareil personnel pour produire de la vapeur d'eau - Google Patents

Procédé pour mettre au point, fabriquer et utiliser un appareil personnel pour produire de la vapeur d'eau

Info

Publication number
EP2066360A2
EP2066360A2 EP07826521A EP07826521A EP2066360A2 EP 2066360 A2 EP2066360 A2 EP 2066360A2 EP 07826521 A EP07826521 A EP 07826521A EP 07826521 A EP07826521 A EP 07826521A EP 2066360 A2 EP2066360 A2 EP 2066360A2
Authority
EP
European Patent Office
Prior art keywords
water
container
wick
vaporizer
liquid
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Withdrawn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
EP07826521A
Other languages
German (de)
English (en)
Inventor
Herb F. Velazquez
Frank G. Druecke
Blake A. Hondl
Mary Philip
Kimberly L. Ellefson
James D. Mcmanus
Simon English
Nathan A. Ray
Deekshitha Wimalasuriya
Kon Euan Gerard Wong
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.)
Kimberly Clark Worldwide Inc
Kimberly Clark Corp
Original Assignee
Kimberly Clark Worldwide Inc
Kimberly Clark Corp
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 Kimberly Clark Worldwide Inc, Kimberly Clark Corp filed Critical Kimberly Clark Worldwide Inc
Publication of EP2066360A2 publication Critical patent/EP2066360A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/02—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air by heating or combustion
    • A61L9/03—Apparatus therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/02—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air by heating or combustion
    • A61L9/03—Apparatus therefor
    • A61L9/037—Apparatus therefor comprising a wick
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/02—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air by heating or combustion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • A61M11/04—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised
    • A61M11/041—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised using heaters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • A61M11/04—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised
    • A61M11/041—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised using heaters
    • A61M11/047—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised using heaters by exothermic chemical reaction
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • A61M11/04—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised
    • A61M11/041—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised using heaters
    • A61M11/042—Sprayers or atomisers specially adapted for therapeutic purposes operated by the vapour pressure of the liquid to be sprayed or atomised using heaters electrical
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
    • A61M11/06—Sprayers or atomisers specially adapted for therapeutic purposes of the injector type
    • A61M11/065—Sprayers or atomisers specially adapted for therapeutic purposes of the injector type using steam as driving gas

Definitions

  • the liquid in those versions of the invention in which the wick extends above the surface of the added liquid, the liquid (again, this will, in many cases, be substantially all water, plus any additional ingredients in the water, or added separately to the container) may advance upward into the wick by capillary action.
  • the wick acts to increase the surface area to which water can adhere, thereby helping to increase the heat-driven vaporization of the water.
  • the amount of water vapor being driven off depends, in part, on the total surface area of water in the container.
  • a wick may also serve to reduce the amount of water absorbing into, or being transported along, the chemical ingredients and/or water-permeable envelope. This is especially true where the wick is made of a substrate, such as a high-bulk cellulosic substrate, that is adapted to draw in, and hold, amounts of water greater than that which can be drawn into and held by the chemical ingredients and any water-permeable envelope encasing the ingredients.
  • the network of pores defined by the wick is adapted, by capillary or other forces, to draw in, and hold by virtue of the volume associated with these pores, more water than the porous network defined by the chemical ingredients and any water-permeable envelope encasing the ingredients.
  • the rate at which heat is generated is moderated or reduced, because the rate at which water is being drawn into the chemical engine is reduced.
  • the appliance employs additional, optional ingredients.
  • the appliance may employ eucalyptus, menthol, camphor, or other such ingredient typically used to help address the aforementioned ailments.
  • eucalyptus e.g., menthol, camphor, or other such ingredient typically used to help address the aforementioned ailments.
  • menthol e.g., menthol
  • camphor e.g., camphor
  • some of these ingredients are readily detected by olfaction, and therefore may reduce one advantage of the portable device (i.e., others nearby may be able to readily detect when the device is being used by virtue of one or more optional ingredients being detectable at small concentrations).
  • these optional ingredients are associated with the wick.
  • these ingredients are associated with the wick in well-defined bands or regions adapted to be positioned above the surface of the added water. As the water front proceeds upward through the wick, the front contacts one or more bands of optional ingredients, thereby releasing the ingredients for detection by a user of the appliance.
  • Figure 1C representatively illustrates a perspective view of the portable device of Figure 1 A with the actuator having been depressed to release water.
  • Elastic means that property of a material or composite by virtue of which it tends to recover its original size and shape after removal of a force causing a deformation.
  • an elastic material or composite can be elongated by at least about 10 percent (to 110 percent) of its relaxed length and will recover, upon release of the applied force, at least about 15 percent of its elongation.
  • an elastic material or composite can be elongated by at least about 25 percent (to 125 percent) of its relaxed length and will recover, upon release of the applied force, at least about 30 percent of its elongation.
  • Extensible refers to a material or composite which is capable of extension or deformation without breaking, but does not substantially recover its original size and shape after removal of a force causing the extension or deformation.
  • an extensible material or composite can be elongated by at least 25 percent (to 125 percent) of its relaxed length.
  • Nonwoven and nonwoven web refer to materials and webs of material that are formed without the aid of a textile weaving or knitting process.
  • nonwoven materials, fabrics or webs have been formed from many processes such as, for example, meltblowing processes, spunbonding processes, air laying processes, and bonded carded web processes.
  • “Stretchable” means that a material can be stretched, without breaking, by at least 25 percent (to 125 percent of its initial (unstretched) length) in at least one direction.
  • Elastic materials and extensible materials are each stretchable materials.
  • Water permeable refers to any material that is not water impermeable.
  • a wick in certain versions of the present invention serves to increase the surface area of water for vaporization. Water migrating up the wick increases the surface area of water available for water molecules to escape the liquid phase and enter the gas phase — i.e., form water vapor (this assumes that the wick extends above the surface of the liquid pool in the device).
  • the liquid-permeable envelope was adapted to act like a wick of the present invention — e.g., by selecting a substrate for the envelope that had a higher basis weight, and the capability for conducting more significant quantities of water along or through the substrate such that the rate of vapor production was extended over a time period of from about 1 to 2 minutes after at least some portion of the heat engine was first activated, to about 7 to 30 minutes after the heat engine was first activated — then the liquid-permeable envelope would serve both to contain the chemical ingredients used to produce heat when wetted with water, and to serve as a wick as described in the present invention. But, as noted above, in some versions of the invention vapor is released over relatively short durations, and therefore a thin, low basis-weight, liquid-permeable envelope, with a relatively low absorbent capacity, is employed without any wick-like structure.
  • the wick e.g., a cellulosic substrate
  • acts to absorb water thereby likely reducing the rate at which water is absorbed into the heat engine.
  • the rate of heat generation is also dampened or reduced.
  • the exemplary embodiment depicted in Figure 1 also comprises a mechanism, in this case a plunger 20 that may be depressed to rupture a water- containing cell contained inside the container 10.
  • a rupturable cell containing liquid comprising water, or other such component may be of any configuration, so long as a user of the portable vaporizer is able to activate the vaporizer by rupturing or opening the component containing liquid comprising water.
  • a variety of different mechanisms or designs may be used to facilitate rupturing or opening of the water-containing cell or component.
  • Figure 1 depicts a representative embodiment employing a plunger, other subassemblies may be used to open the cell / component (e.g., a pull tab).
  • the surface of the container may also be shaped to have an undulating or rippled surface, in some cases adapted to allow a user to place one or more of his or her individual fingers into channels, grooves, or the like.
  • the openings that allow water vapor to exit and/or liquid to be poured into the container may be of any shape or number.
  • Figure 1 B representatively shows a perspective view of the container 10 of Fig. 1 A with portions of the device cut away to show selected internal features depicts.
  • plunger 20 has not yet been pressed downward.
  • the bottom of the plunger is proximate to the wick 22, which in the depicted embodiment takes the shape of an inverted "U" (i.e., the open end of the U-shaped wick is oriented downward, and the curvilinear portion of the U is oriented upward, proximate to the plunger).
  • a chemical engine 24 is positioned within the U-shaped wick, in this case proximate to the curvilinear portion of the wick.
  • a mechanical component may be employed to help facilitate breakage of the cell, such as employing something like prongs 30 (which, in the depicted embodiment, may also help stabilize the wick and/or the combination of the wick and chemical engine; such prongs or other such components may also be used to help keep the wick and/or chemical engine centrally located within the portable vaporizer, thereby ensuring that air is interposed between the inner surface of the container and the wick and/or chemical engine — in this way air, typically viewed as an insulating medium compared to many other materials, helps to reduce the amount of heat transferring to the wall of the container).
  • prongs 30 which, in the depicted embodiment, may also help stabilize the wick and/or the combination of the wick and chemical engine; such prongs or other such components may also be used to help keep the wick and/or chemical engine centrally located within the portable vaporizer, thereby ensuring that air is interposed between the inner surface of the container and the wick and/or chemical engine — in this way air, typically
  • Simple experimental designs known to those of skill in the art may be used to optimize the design of a personal vaporizer (e.g., by manipulating certain dependent variables, such as the type and amount of chemical ingredients, in a simple factorial design, and then evaluating a selected independent variable, such as grams of water vapor produced per unit time).
  • the design of a personal vaporizer may also be optimized through consumer use tests (i.e., participants are given working prototypes which they then use, either in a controlled setting, or at home, and then give qualitative or quantitative feedback which can be evaluated to determine which prototype is perceived as best meeting identified need(s) of the use-test participant).
  • thermoplastic polymer or “thermoplastic polymeric material” refer to a long-chain polymer that softens when exposed to heat and returns to the solid state when cooled to ambient temperature.
  • exemplary thermoplastic materials include, without limitation, polyvinyl chlorides, polyesters, polyamides, polyfluorocarbons, polyolefins, polyurethanes, polystyrenes, polyvinyl alcohols, caprolactams, and copolymers of the foregoing.
  • melt-spun filaments are deposited in a substantially random manner onto a moving carrier belt or the like to form a web of substantially continuous and randomly arranged, melt-spun filaments.
  • Spunbond filaments generally are not tacky when they are deposited onto the collecting surface.
  • the production of spunbond nonwoven webs is described in U.S. Patent No. 4,340,563 to Appel et al., U.S. Patent No. 3,692,618 to Dorschner et al., U.S. Patent No. 3,802,817 to Matsuki et al., U.S. Patent Nos. 3,338,992 and 3,341 ,394 to Kinney, U.S. Patent No. 3,502,538 to Peterson, and U.S.
  • Coform, wetlaid, airlaid, and or other such formed webs may be used when making a wick.
  • the wick may be stratified, incorporating different materials in different layers through the thickness of the wick.
  • various kinds of natural fiber may be used, including various kinds of fiber derived from mechanical, chemi-mechanical, chemi-thermomechanical, and chemical pulps, whether bleached or unbleached.
  • fiber e.g., natural fiber
  • fiber may be cross-linked or otherwise treated so that substrates comprising the fiber possess higher bulk and porosity.
  • the wick may employ one or more optional ingredients that are associated with the wick itself.
  • One or more surfactants may be associated with synthetic fiber, for example, to make the fiber more hydrophilic, thereby helping promote migration of water along the wick itself.
  • one or more optional ingredients that are employed may be associated with the wick, and then released when the portable vaporizer is activated. For example, an ingredient could be printed, sprayed, coated, brushed, or otherwise associated with the substrate or web that will serve as the wick in the portable vaporizer.
  • a user may use a portable vaporizer of the present invention to
  • the wick and heating engine assembly was attached to the cap using the cap protrusions / prongs.
  • the prongs were inserted into the cylinder-like, chemical-heat-engine / wick assembly.
  • a suitable fragrance in the amount of about 0.25g was added to the exterior surface of the upper portion of the wick (i.e., that portion of the wick closer to the top wall) using a dropper.
  • the cap was then screwed onto the container.
  • the vaporizer weighed 81.5 grams fully assembled without water. 80 grams of tap water at 20 deg. C. was added by pouring the water from a beaker into the vaporizer through the openings in the cap.
  • a polystyrene shrink-wrap material available under the designator 11 mil Thermo-Shield® Coex Plasti-Shield was obtained from American Fuji Seal, 1051 Bloomfield Road, Bardstown, KY 40004. Two layers of this material were applied to the exterior surface of the side wall of the container. To do so, a 240mm x 122mm piece was wrapped to produce a cylinder with the ends fixed to each other using 0.5" Scotch® Brand double-sided tape #9482PC01003091118. There was approximately 0.5" of overlap between the polystyrene ends. The cylinder was placed around the container and heat shrunk to attach it firmly to the container using a commercial MHT heat gun 750. Two of such applications were made to produce a container with two layers of insulating material. The shrink-wrap material serves to further insulate the container against heat loss.
  • the downwardly extending protrusions are analogous to the prongs 30 depicted in Figure 1 B, except: (1 ) the prongs / protrusions in this representative example were shorter, extending about 5 cm from the inner surface of the central location of the top wall into the interior of the container, and (2) the prongs / protrusions in this representative example were fewer in number — 2 rather than the 4 depicted in Figure 1 B.
  • the wick and heating engine assembly was attached to the cap using the cap protrusions / prongs.
  • the prongs were inserted into the cylinder-like, chemical-heat-engine / wick assembly.
  • a suitable fragrance in the amount of about 0.25g was added to the exterior surface of the upper portion of the wick (i.e., that portion of the wick closer to the top wall) using a dropper.
  • the cap was then screwed onto the container.
  • the vaporizer weighed 81.5 grams fully assembled without water. 100 grams of tap water at 20 deg. C. was added by pouring the water from a beaker into the vaporizer through the openings in the cap.

Landscapes

  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Biomedical Technology (AREA)
  • Anesthesiology (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

L'invention concerne des procédés pour mettre au point et employer un dispositif portable pour avoir un effet sur un environnement désiré proche du dispositif (comprenant la réalisation de tels procédés dans des agencements d'affaires comprenant deux entités d'affaires ou plus). L'environnement touché comprend, en partie, des augmentations temporaires de la quantité de vapeur d'eau à mesure que le dispositif émet de la vapeur d'eau pendant une certaine durée de temps, typiquement d'environ 1 ou 2 minutes à environ 15 à 30 minutes. De la chaleur provenant d'un moteur de chauffage chimique est employée pour entraîner la vapeur d'eau. Le dispositif peut également émettre un ou plusieurs ingrédients susceptibles d'être détectés par olfaction. Le dispositif peut être utilisé pour aider à s'attaquer aux symptômes de divers malaises, par exemple, le froid, un rhume, les allergies, la sinusite et similaires. De même, le dispositif peut être employé pour aider à favoriser un état émotif désiré pour l'utilisateur du dispositif. Le dispositif favorise un ou plusieurs états désirés par des signaux auditifs, tactiles, visuels et/ou olfactifs. De plus, le dispositif peut être utilisé pour ouvrir les pores de la peau, ou pour traiter la peau ou un tissu.
EP07826521A 2006-12-11 2007-09-24 Procédé pour mettre au point, fabriquer et utiliser un appareil personnel pour produire de la vapeur d'eau Withdrawn EP2066360A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/636,750 US20080138051A1 (en) 2006-12-11 2006-12-11 Methods for designing, making, and using a personal appliance for producing water vapor
PCT/IB2007/053874 WO2008072109A2 (fr) 2006-12-11 2007-09-24 Procédé pour mettre au point, fabriquer et utiliser un appareil personnel pour produire de la vapeur d'eau

Publications (1)

Publication Number Publication Date
EP2066360A2 true EP2066360A2 (fr) 2009-06-10

Family

ID=39135362

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07826521A Withdrawn EP2066360A2 (fr) 2006-12-11 2007-09-24 Procédé pour mettre au point, fabriquer et utiliser un appareil personnel pour produire de la vapeur d'eau

Country Status (5)

Country Link
US (1) US20080138051A1 (fr)
EP (1) EP2066360A2 (fr)
KR (1) KR20090087475A (fr)
CN (1) CN101557833A (fr)
WO (1) WO2008072109A2 (fr)

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US20080138051A1 (en) 2008-06-12
CN101557833A (zh) 2009-10-14
WO2008072109A2 (fr) 2008-06-19
WO2008072109A3 (fr) 2008-09-18
KR20090087475A (ko) 2009-08-17

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