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US20020136542A1 - Method and apparatus for fastening a fluid transport mechanism to a container - Google Patents

Method and apparatus for fastening a fluid transport mechanism to a container Download PDF

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Publication number
US20020136542A1
US20020136542A1 US09/974,779 US97477901A US2002136542A1 US 20020136542 A1 US20020136542 A1 US 20020136542A1 US 97477901 A US97477901 A US 97477901A US 2002136542 A1 US2002136542 A1 US 2002136542A1
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US
United States
Prior art keywords
wick
transport mechanism
fastening
reservoir
fluid transport
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.)
Abandoned
Application number
US09/974,779
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English (en)
Inventor
Mengtao He
Carl Triplett
Christopher Wolpert
Kristopher Stathakis
Debra Park
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.)
Dial Corp
Original Assignee
Dial 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 Dial Corp filed Critical Dial Corp
Priority to US09/974,779 priority Critical patent/US20020136542A1/en
Assigned to DIAL CORPORATION, THE reassignment DIAL CORPORATION, THE ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: PARK, DEBRA, STATHAKIS, KRISTOPHER J., HE, MENGTAO PETE, TRIPLETT, CARL, WOLPERT, CHRISTOPHER J.
Publication of US20020136542A1 publication Critical patent/US20020136542A1/en
Abandoned legal-status Critical Current

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    • 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
    • A61L9/04—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air without heating
    • A61L9/12—Apparatus, e.g. holders, therefor
    • A61L9/127—Apparatus, e.g. holders, therefor comprising a wick
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249971—Preformed hollow element-containing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249971—Preformed hollow element-containing
    • Y10T428/249972—Resin or rubber element
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249978—Voids specified as micro
    • Y10T428/249979—Specified thickness of void-containing component [absolute or relative] or numerical cell dimension

Definitions

  • This invention generally relates to the inhibiting the removal of a fluid transport mechanism from a fluid reservoir of a liquid vaporizing unit, and more particularly, to various fastening elements for inhibiting the removal of the fluid transport mechanism to the fluid reservoir of the unit.
  • Liquid air fresheners and other vapor-dispensing products currently on the market typically have a fragrance liquid reservoir and a transport system from which fragrance is evaporated and/or dispensed into the surrounding air.
  • One approach to dispensing fragrance has been to drip the fragrance liquid from the reservoir onto a porous substrate of relatively large surface area where the fragrance is evaporated from the substrate surface.
  • Another method has been to partially immerse a wick made of porous material in a liquid fragrance-reservoir where the liquid is transported through the wick by capillary action. The fragrance is then evaporated from the exposed wick surface into the surrounding air.
  • the fragrance delivery device is often referred to as an electric liquid air freshener.
  • the heating element delivers kinetic energy to molecules of the fragrance solution on the exterior surface of the wick, thereby increasing the rate of evaporation to obtain higher fragrance intensity and uniform delivery density over time.
  • wicks constructed of compressed graphite, porous ceramic, or fibrous bundles. See, for example, U.S. Pat. No. 4,663,315 issued May 5, 1987 to Hasegawa et al., and U.S. Pat. No. 4,739,928 issued Apr. 26, 1988 to O'Neil.
  • the transport mechanism is capillary action of liquid passing through a winding path within the structure of the wick.
  • Some advantageous design characteristics for liquid dispensers are: (1) their ability to effectively retain their liquid transport mechanisms (e.g., wick) in proper orientation and alignment in the liquid reservoir with sufficient retention force to keep the wick from being easily removable; (2) their ability to provide a tight seal to prevent leakage from around the wick, under the fitment, and under any cap; (3) their ability to maintain proper alignment and positioning of the wick relative to a heating element; (4) their ability to provide sufficient surface area on the wick for evaporation of the liquid; and (5) the ability, during manufacture, of the wick to be directly inserted into the fitment/liquid reservoir system following the downward direction.
  • liquid transport mechanisms e.g., wick
  • the present invention relates generally to the fastening of a fluid transport mechanism to a fluid reservoir, and optionally, to various mechanisms which increase the effectiveness of the vaporizing units within which such devices may be employed.
  • the fluid transport mechanism is suitably fastened to the reservoir and removal of the transport mechanism is substantially inhibited by a retaining force provided by one or more fastening features. That is, in accordance with various aspects of the present invention, the transport mechanism is fabricated or suitably augmented such that once it has been inserted into the reservoir, it is not easily removable without significant force or through the use of tools.
  • the retaining force is a force which opposes other forces applied to the transport mechanism which would tend to remove the fluid transport mechanism.
  • the retaining force is provided, at least in part, by fastening features configured on the fluid transport mechanism and/or other components, such as a fitment or a sleeve, which engages the transport mechanism and likewise inhibits its removal by directing the retaining force in a direction opposite to that which is needed to remove the transport mechanism from the reservoir.
  • the fastening elements may suitably comprise various configurations of the transport mechanism itself, components attached to or part of the reservoir, or various combinations of the forgoing, all of which provide an effective retaining force which aids in inhibiting removal of the transport mechanism.
  • FIGS. 1 A- 1 F illustrate various fluid transport mechanisms and fluid reservoirs in accordance with various aspects of the present invention wherein a wick device in accordance with various embodiments of the present invention is provided with various retention features;
  • FIGS. 2 A- 2 F illustrate various fluid transport mechanisms and fluid reservoir in accordance with various alternative aspects of the present invention
  • FIG. 3 is a side view of a wick fitment device in accordance with an exemplary embodiment of the present invention.
  • FIG. 4 is a cross-sectional view of a wick fitment device in accordance with an alternative embodiment of the present invention.
  • FIG. 5 is a side view of a wick fitment device in accordance with a further alternative embodiment of the present invention.
  • FIG. 6 is a cross-sectional side view of a wick fitment device in accordance with an other exemplary embodiment of the present invention.
  • FIG. 7 is a cross-sectional diagram of a portion of a wick fitment device in accordance with yet another embodiment of the present invention.
  • the present invention relates generally to the fastening of a fluid transport mechanism to a fluid reservoir, and optionally, to various mechanisms which increase the effectiveness of the vaporizing units within which such devices may be employed.
  • the fluid transport mechanism is suitably fastened to the reservoir such that removal of the transport mechanism is substantially inhibited by a retaining force provided by one or more fastening features.
  • the transport mechanism is fabricated or suitably augmented such that once inserted into the reservoir, it is not easily removable without significant force or the use of tools.
  • the retaining force is suitably selected to comprise a force which opposes other forces applied to the transport mechanism which would tend to remove the mechanism.
  • the retaining force is provided, at least in part, by fastening features such as a flange configured on the transport mechanism which engages the reservoir to inhibit removal of the transport mechanism by directing the retaining force in the opposite direction of that needed to remove the transport mechanism.
  • the retaining force may be provided by fastening features comprised of other components, such as a fitment or a sleeve, which engages the transport mechanism and likewise inhibits its removal by directing the retaining force in a direction opposite to that needed to remove the transport mechanism from the reservoir.
  • fastening features comprised of other components, such as a fitment or a sleeve, which engages the transport mechanism and likewise inhibits its removal by directing the retaining force in a direction opposite to that needed to remove the transport mechanism from the reservoir.
  • the fastening elements may suitably comprise various configurations of the transport mechanism itself, components attached to or part of the reservoir, or various combinations of the forgoing, all of which provide the retaining force which helps inhibit the removal of the transport mechanism.
  • any liquid dispensing device which facilitates the transfer of a liquid through a fluid transfer mechanism (e.g., a wick) can feasibly incorporate various aspects of the present invention.
  • a typical non-limiting example used herein is an electric liquid vaporizer comprising a housing unit configured to receive a liquid container or bottle portion.
  • the bottle portion typically, the bottle portion includes some type of a wick or wick system which permits the liquid, which is ultimately to be vaporized (in some fashion), to be absorbed therein through capillary action.
  • the housing unit of such a system may contain a heating mechanism, typically electrically activated.
  • the bottle portion which generally contains the liquid for vaporization, is usually configured for attachment to the housing unit such that the wick is suitably positioned proximate the heating mechanism, if employed, so that the liquid will be vaporized.
  • Exemplary devices suitable for incorporating the present invention include vaporizing devices such as liquid electric air fresheners like those described in U.S. Pat. No. 6,104,867 issued Aug. 15, 2000 to Stathakis et al; U.S. Pat. No. 5,647,053 issued Jul. 8, 1997 to Schroeder et al; and U.S. Pat. No. 5,038,394 issued Aug. 6, 1991 to Hasegawa et al. though, generally speaking, various aspects of the present invention can be incorporated in any number of devices, now known or as yet unknown in the art, designed for transporting fluid through a wick or other similar mechanism, and air freshening devices are merely non-limiting examples.
  • the vaporizable material can be any number of conventional materials dispensed from vapor dispensers including fragrances, disinfectants, sanitizing agents, insect repellants, insecticides and the like.
  • the liquid is often referred to as fragrance dispensed from an air freshening device.
  • the wick serves as the fluid transport mechanism and transports the liquid to be vaporized from the reservoir to the liquid dispensing area.
  • Exemplary transport/wick materials include any material which may be suitably configured to exhibit acceptable porosity.
  • some wick materials such as, for example, polymeric wick materials, graphite, paper, fibers and others are adaptable to be configured in accordance with the present invention to have various dimensions and shapes that allow for a variety of structure, such as fastening elements, and functions, and optionally, with aesthetic surface design features. That is, another advantage of wicks in accordance with various aspects of the present invention over the prior art, is their ability to be molded into a variety of shapes.
  • the wick may be configured with fastening elements in the form of any number of shapes which provide a retaining force for inhibiting removal of the wick from the reservoir.
  • fastening elements suitably comprise structure (including the wick material itself) which act to engage the reservoir during attempted removal and direct the retaining force in the opposite direction of that needed to remove the transport mechanism.
  • the wick and fastening elements suitably can exhibit any number of a myriad of shapes.
  • Various different configurations are illustrated in the several drawing figures. In all instances, the configurations illustrated include a wick 100 , a reservoir 102 and optionally various attachments or other features of wick 100 which facilitate and/or assist in providing various of the advantages of the present invention.
  • FIGS. 1 A- 1 F and 2 A- 2 F illustrate various non-limiting examples of fastening elements configured, generally, from the wick material itself
  • a wick 100 and a bottle 102 are provided.
  • Wick 100 is suitably configured with a fastening element 104 .
  • fastening element 104 comprises a portion of wick 100 that is larger than an opening (or neck) 108 on bottle 102 from which wick 100 protrudes for delivery of the fragrance.
  • wick 100 comprises material pliable enough then when larger portion is inserted into opening 108 , portion sufficiently contracts to fit through opening 108 , yet after passing through opening 108 , portion sufficiently expands back to a diameter larger that opening 108 , such that when attempts are made to remove wick 100 , an upper surface 110 of portion engages an inside, upper surface 112 of bottle, thereby providing the retaining force for inhibiting removal of wick 100 .
  • assembly may be accomplished by inserting wick 100 into opening 108 from the underside such that portion 106 suitably prevents further introduction, while at the same time also inhibiting removal of wick 100 during use.
  • FIG. 1A depicts a polymer wick 100 , in accordance with the present invention, having lower portion 106 with a substantially greater diameter than that of neck 108 .
  • FIG. 1B shows a wedge-like configuration for lower portion 106 of wick 100 .
  • FIG. 2A shows wick 100 incorporating portion 106 as a disk-like annular ring positioned approximately in the center of wick 100 .
  • annular ring 106 is sized so as to fit snugly into bottom surface 112 and neck 108 and prevent easy removal of wick 100 from bottle 102 .
  • a disk-like annular ring similar to that of the wick in FIG. 2A is positioned at the center of wick 100 , such that wick 100 itself is symmetrical about its center.
  • the symmetrical configuration of wick 100 offers an advantage during assembly of the vapor-dispensing device, in that it avoids the need for wick sorting prior to the insertion of wick 100 into bottle 102 .
  • portion 106 which suitably provides a retaining force for inhibiting removal of wick 100 may be employed.
  • the exemplary embodiments are intended as illustrative only; other configurations may be employed without departing from the scope of the present invention.
  • the fastening elements may include an upper portion 114 in addition to or alternative to larger lower portion 106 .
  • Upper portion 114 suitably assists in maintaining wick 100 in bottle 102 .
  • FIG. 1C shows wick 100 with respective wedges 106 , 114 which engage opposite sides of neck 108 .
  • Such an arrangement thus provides a retaining force for maintaining wick 100 in bottle 102 .
  • such engagement can provide additional stability of wick 100 after insertion.
  • the wick of FIG. 1C is symmetrical about any axis perpendicular to the principal axis of the wick; this being a generally advantageous design feature for avoiding alignment and orientation issues in the manufacturing process.
  • a substantially horizontal annular connection 104 element is suitably interposed between neck 108 of bottle 102 and the exposed surface of the wick.
  • an additional annular connecting element 111 is preferably interposed above annular connection 104 aid in providing a suitable retention force.
  • Various other ring, ring like or other configurations may be used in accordance with certain aspects of the present invention to suitably fasten wick 100 to bottle 102 .
  • fastening elements in accordance with the present invention may comprise, alternatively or additionally, various components distinct from the wick, which suitably provide the retaining force for inhibiting removal of the wick.
  • component fastening elements provide the retaining force which acts in a direction opposite to that which tends to remove the wick from the bottle.
  • suitable rib-like retention members generally biased in a substantially opposite direction to that of wick insertion to prevent or otherwise inhibit retraction of wick 100 from bottle 102 .
  • a unitary wick fitment element 113 can be secured to the reservoir-neck through the use of other configurations.
  • a number of component configurations can provide a suitable retaining force.
  • Non-limiting examples include a wick fitment apparatus such as an extended sleeve area in which the wick is inserted, various locking structures adapted to engage the wick and/or liquid reservoir. It should be appreciated that any number of components such as these, now known or as yet devised, which suitably provide the retaining force, fall within the scope of the present invention.
  • fastening features comprise an extended sleeve for engaging the wick and inhibiting its removal.
  • extended sleeve is a separate component which is snap fit to the bottle, though in various alternative embodiments, extended sleeve can be integrated with bottle as one unit.
  • Extended sleeve retains the wick by an improved friction fit.
  • FIGS. 2 C- 2 F such an extended sleeve can be used with various wick configuration sand employed in various manners. In each case the extended sleeve is similarly depicted. While prior art solutions recognize the use of “press fitting” wicks into bottle wicks, and typically use the friction created to aid in wick retention, they are generally less effective at wick retention.
  • the ratio of the wick diameter to the diameter of the extended sleeve portion and/or the length of the extended sleeve portion is selected such that insertion of the wick into the fitment apparatus is facilitated during the assembly process, while a satisfactory wick retention force is maintained.
  • This obtains, at least, in part, due to the extended nature of the sleeve which permits functional engagement of a significant portion of the wick.
  • sleeve 200 preferably includes a major portion 202 , bonded by respective upper and lower portions 204 and 206 which together cooperate to attach to sleeve to the reservoir (e.g. bottle) (not shown).
  • Sleeve 200 may include a conically shaped region 208 which communicates with a generally cylindrical region 210 . Together regions 208 and 210 enable receipt of a wick material (not shown in FIG. 3, but see, for example FIG. 2E).
  • the conically shaped region may admit of various advantages, including, inter alia provision of a collection reservoir for liquid, enhanced surface area of the which material, and others.
  • the extended sleeve portion of the wick fitment apparatus is tapered, such that the diameter of an upper portion 212 of the extended sleeve is greater than a diameter of the lower portion 214 of the extended sleeve.
  • a wick fitment fastening feature in accordance with various embodiments of the present invention, comprises an extended sleeve 200 .
  • extended sleeve 200 is a component for providing retaining force which is distinct from bottle 102 (not shown) and/or any wick configurations which include fastening features.
  • extended sleeve 200 (or other components) can be integrated with bottle 102 and/or other portions of the liquid dispenser and/or act in conjunction with other aspects of the present invention which provide retaining forces.
  • sleeve 200 comprises lower portion 210 which extends downward into bottle 102 .
  • Lower portion 210 secures the wick in proper orientation and alignment within the liquid fragrance container and provides the retaining force for inhibiting removal.
  • the ratio of the wick diameter to the fitment sleeve diameter is specified such that wick insertion into the wick fitment is facilitated during device assembly, but also such that the wick retention force is sufficient to prohibit easy wick removal from the assembled vapor-dispensing device.
  • the ratio of the wick diameter to the fitment sleeve diameter is in the range of about 0.80 to about 1.10; more preferably from about 0.90 to about 1.00; and most preferably from about 0.94 to about 0.98.
  • the extraction force ranged from about 3.1 to about 5.8 kg-f, and averaged about 3.8 kg-f.
  • tests of wicks of about 7.3 mm in extended sleeves of the present invention resulted in better performance.
  • the extraction forces ranged from about 6.0 to about 11.9 kg-f, and averaged about 9.4 kg-f.
  • the order of magnitude of the increased retaining force for extended sleeves in accordance with the present invention was two to three times more and average extraction force for the wick samples in the extended sleeve nearly doubled.
  • a sleeve 200 in accordance with one embodiment of the present invention includes a locking mechanism 220 to secure wick fitment and wick onto the neck portion of the liquid fragrance reservoir, thus preventing easy access to the contents of the reservoir by the consumer.
  • a sleeve 200 in accordance with one embodiment of the present invention includes a sealing ring mechanism 230 on the upper portion of sleeve 200 . Sealing ring mechanism 230 preferably mates with one or more matching rings on the overcap device to prevent leakage of liquid fragrance from under the cap during transport and storage of the vapor-dispensing device.
  • Sleeve 200 suitably includes a conical well 240 in the upper portion of the fitment.
  • Conical well 240 is preferably adapted to contain any liquid that may seep from the wick in the vapor-dispensing device.
  • conical well 240 is preferably shaped and sized accordingly to provide additional surface area for wick exposure to enhance evaporation—and thus fragrance release—of the liquid fragrance in the vapor-dispensing device.
  • conical well 240 is further shaped and sized accordingly to facilitate insertion of the wick during the manufacturing process.
  • conical well 240 may vary according to the particular design of the vapor-dispensing device, the shape of the wick, and the limitations of the manufacturing specifications and the device assembly process. Generally, however, conical well 240 is shaped such that the diameter of the upper portion of the well (i.e., the portion adjacent sealing ring 230 ) is greater than the diameter of the lower portion of the well (i.e., the portion adjacent locking mechanism 220 ).
  • sleeve 200 is suitably configured to engage bottle in a secure manner.
  • the portions of fitment, as shown, are suitably dimensioned to secure fitment to the bottle (not shown) and provide enhanced structural competence.
  • wick materials that may be utilized in connection with various aspects of the present invention, depending upon the desired utility of the vapor-dispensing device, include porous/sintered plastics such as ultra high density polyethylene and polypropylene, bonded fibers such as polyesters and polypropylene, glass-sintered fibers, porous ceramic, carbon fiber, sintered carbon, graphite, wood, compressed wood composites, bundled or woven natural fibers such as cotton, linen, bundled or woven synthetic fibers such as nylon, polypropylene, polyethylene, polyesters, polyamides, rayon, polyacetates, and the like.
  • porous/sintered plastics such as ultra high density polyethylene and polypropylene
  • bonded fibers such as polyesters and polypropylene
  • glass-sintered fibers porous ceramic, carbon fiber, sintered carbon, graphite, wood, compressed wood composites, bundled or woven natural fibers such as cotton, linen, bundled or woven synthetic fibers such as nylon, polypropylene, polyethylene, polyester
  • FIG. 2C illustrates a wick configuration including a disk-like annular ring positioned at the center of the wick. Additionally, a middle portion of the wick of FIG. 2C preferably has a greater diameter than the end portions of the wick.
  • the middle portion of the wick having the greater diameter is sized so as to snugly fit into the wick fitment sleeve portion, which tends to enhance the wick retention force and prevent access to the liquid in the reservoir after wick insertion.
  • this wick configuration is preferably symmetrical about the center of the wick, so as to avoid the need for wick sorting during assembly of the vapor-dispensing device.
  • FIG. 2D illustrates a wick configuration similar to that of FIG. 2C, except that the enhanced-diameter middle portion of the wick has a tapered or elliptical configuration, rather than the substantially cylindrical configuration shown in FIG. 2C.
  • FIGS. 2E and 2F illustrate wicks having configurations identical to those in FIGS. 2C and 2D, except that the disk-like annular ring is eliminated.
  • wicks configured according to FIGS. 2E and 2F have enhanced-diameter middle portions sized so as to achieve sufficient wick retention force in the wick fitment and prevent spillage, leakage, or access to the fragrance liquid in the reservoir.
  • the fastening mechanisms in accordance with the present invention preferably have little or no affect on the overall effectiveness of the device, for example, the rate at which fluid is transported through the wick of an air freshening device, into which the fastening mechanisms are incorporated.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Catching Or Destruction (AREA)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
US09/974,779 2000-10-09 2001-10-09 Method and apparatus for fastening a fluid transport mechanism to a container Abandoned US20020136542A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US09/974,779 US20020136542A1 (en) 2000-10-09 2001-10-09 Method and apparatus for fastening a fluid transport mechanism to a container

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23962100P 2000-10-09 2000-10-09
US09/974,779 US20020136542A1 (en) 2000-10-09 2001-10-09 Method and apparatus for fastening a fluid transport mechanism to a container

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US20020136542A1 true US20020136542A1 (en) 2002-09-26

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Application Number Title Priority Date Filing Date
US09/974,779 Abandoned US20020136542A1 (en) 2000-10-09 2001-10-09 Method and apparatus for fastening a fluid transport mechanism to a container
US09/974,634 Abandoned US20020136886A1 (en) 2000-10-09 2001-10-09 Porous wick for liquid vaporizers
US10/906,764 Abandoned US20050191481A1 (en) 2000-10-09 2005-03-04 Porous wick for liquid vaporizers

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US09/974,634 Abandoned US20020136886A1 (en) 2000-10-09 2001-10-09 Porous wick for liquid vaporizers
US10/906,764 Abandoned US20050191481A1 (en) 2000-10-09 2005-03-04 Porous wick for liquid vaporizers

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US (3) US20020136542A1 (fr)
EP (1) EP1334313A2 (fr)
AU (2) AU2002211530A1 (fr)
CA (2) CA2425304A1 (fr)
MX (2) MXPA03003055A (fr)
WO (2) WO2002030220A1 (fr)

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040067172A1 (en) * 2002-10-07 2004-04-08 Homescents Inc. Air freshener device with child resistant features
US20040182949A1 (en) * 2003-03-21 2004-09-23 Duston Tyler D. Container for a device for dispensing a volatile liquid
US20040184969A1 (en) * 2003-03-21 2004-09-23 Kotary Kara L. Device for dispensing a volatile liquid using a wick in an ambient air stream
US20040265189A1 (en) * 2003-06-27 2004-12-30 Ralph Schwarz Dispensing system for a volatile liquid
US20040262420A1 (en) * 2003-06-30 2004-12-30 Hansen Jeffory S. Interference fit assembly for a container for a volatile liquid
US20040262419A1 (en) * 2003-06-27 2004-12-30 Kotary Kara L. Breakable wick for use in a dispenser for a volatile liquid
US20040262788A1 (en) * 2003-06-27 2004-12-30 Adams Mary Beth Guide for selectively receiving a wick in a dispenser for a volatile liquid
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AU2002211530A1 (en) 2002-04-22
US20020136886A1 (en) 2002-09-26
AU2002217759A1 (en) 2002-04-22
MXPA03003054A (es) 2004-05-05
CA2425589A1 (fr) 2002-04-18
WO2002031413A2 (fr) 2002-04-18
EP1334313A2 (fr) 2003-08-13
MXPA03003055A (es) 2004-12-06
US20050191481A1 (en) 2005-09-01
WO2002031413A3 (fr) 2002-08-08
WO2002030220A1 (fr) 2002-04-18

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