WO1989001447A1 - Improvements in or relating to aroma dispensers - Google Patents

Improvements in or relating to aroma dispensers Download PDF

Info

Publication number
WO1989001447A1
WO1989001447A1 PCT/GB1988/000639 GB8800639W WO8901447A1 WO 1989001447 A1 WO1989001447 A1 WO 1989001447A1 GB 8800639 W GB8800639 W GB 8800639W WO 8901447 A1 WO8901447 A1 WO 8901447A1
Authority
WO
WIPO (PCT)
Prior art keywords
cap
container
cartridge
outlet
dispenser
Prior art date
Application number
PCT/GB1988/000639
Other languages
French (fr)
Inventor
Johnathan Arnold Manley Knight
Original Assignee
Chadwick, Arthur, John, Mackenzie
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 Chadwick, Arthur, John, Mackenzie filed Critical Chadwick, Arthur, John, Mackenzie
Publication of WO1989001447A1 publication Critical patent/WO1989001447A1/en

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
    • A61L9/04—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

Definitions

  • This invention relates to aroma dispensers.
  • This invention provides an aroma dispenser comprising, an elongate hollow closed container having a cap at one end thereof mounted for rotation with respect to the container about an axis extending lengthwise of the container, an outlet aperture in the cap, a valve member in the cap for closing the outlet aperture, means operable by relative rotation of the cap and container in one direction to retract the cap member from the aperture to open the outlet, biassing means to resist valve opening and acting to return the valve member to said outlet closing position on release of the cap and means within the container for holding a supply of an aroma emitting matter for release through said aperture when opened.
  • the container is of elongate cylindrical form, the cap being disposed at one end of the container and the outlet from the cap being disposed in the end of the cap.
  • the means to hold a supply of aroma emitting matter comprise a cartridge containing aroma emitting matter disposed in the container/cap, one end of cartridge extending into the cap forming said valve member to close the outlet in the cap and the cartridge being retractible from the outlet to open the outlet by relative rotation between the cap and container in one direction and said biassing means acting to urge the cartridge in the opposite direction to restore the valve to the outlet closing position when the cap is released.
  • cam means may be provided between the cartridge and container for moving the cartridge linearly in response to rotation of the cartridge with respect to the container and guide means may be provided between the cap and cartridge for constraining the cartridge to rotate with the cap but to permit linear sliding movement of the cartridge with respect to the cap to open and close the valve at the end of the cap in the outlet of the cap, whereby rotation of the cap with respect to the container in one direction withdraws the valve end of the cartridge from the outlet against to open the outlet and in the opposite direction engages the valve end in the outlet to close the outlet.
  • cam means may act between the cartridge and container comprise a screw thread around the inner side the container and a projection or projections on the cartridge engaging in the screw thread.
  • biassing means biassing the valve member into the closed position may comprise a coil spring acting between the cap and container to bias the cap in the direction with respect to the container to close the valve in the outlet.
  • cam means may be provided between the cartridge and cap for moving the cartridge linearly towards and away from the outlet end of the cap with relative rotation between the cartridge and cap, and guide means are provided to constrain the cartridge to move linearly with respect to the lengthwise direction of the container, whereby relative rotation between the cap and container in one direction retracts the valve end of the cartridge from the outlet in the cap to open the outlet and in the opposite direction engages the valve end in the outlet to close the outlet.
  • the cap may be formed with an elongate dependant cylindrical skirt which projects into the container, the cartridge is disposed within the skirt and cap, means are provided on the container for engaging the cartridge to resist rotation thereof with respect to the container and said cam means act between the skirt of the cap and the cartridge whereby the rotation of the skirt with the cap with respect to the container in one direction causes the cartridge to move the valve member thereof away from the outlet end of the cap.
  • the cam means may act between the skirt and_cartridge comprise a slot would helically around the skirt and a projection on the cartridge .engaging in the slot.
  • the means to prevent rotation of the cartridge with respect to the container may comprise a guide channel extending along the linear side of the container and said projection on the cartridge extends through the slot in the skirt and engages in the channel to prevent rotation of the cartridge with respect to the container whilst permitting linear movement of the cartridge with respect to the container.
  • the means to bias the valve member into the closed position in the outlet in the cap comprise a spring acting between the valve member and the container to urge the valve member towards the outlet in the end of the cap.
  • the cartridge may contain an absorbent material soaked in an aroma emitting chemical and has a plurality of vents to release the aroma therefrom to the interior of the container to be released from the container when the outlet in the cap is opened.
  • FIG. 1 is a section through an aroma dispenser in accordance with the invention
  • Figure 2 is an elevation view of a rechargeable cartridge for use in the dispenser
  • Figure 3 is a plan view of the cartridge shown in Figure 2;
  • Figure 4 is a section through an upper part of the dispenser shown in Figure l;
  • Figure 5 is an underplan view of the part of the dispenser shown in Figure 4.
  • Figure 6 is a plan view of a main container port of the dispenser
  • Figure 7 is a section on the line A-A on figure 6;
  • FIG. 8 to 13 illustrate a further embodiment.
  • FIG. 1 show an aroma dispenser comprising a container indicated generally at 10 of elongate cylindrical form and comprising a main body part 11 and a cap 12 formed in plastics or in metal.
  • the upper end of the main body part 11 of the container has a reduced outer diameter to form a spigot 13 with an integral encircling shoulder 14.
  • the cap 12 is formed at its lower end with a socket 15 to receive and encircle the spigot and the wall of the socket is formed with a groove 16 in which the annular ridge 14 engages to hold, the cap on the main body part whilst permitting the cap to be rotated with respect to the main body part.
  • An elongate cylindrical cartridge 17 is disposed within the container and has large ports 18 cut in opposing sides thereof.
  • the cartridge contains a wick or felt of similar material 19 soaked in an aromatic fluid to give off the required aroma through the ports 18 to the interior of the container.
  • the body part 11 of the container is formed with an annular upwardly extending shoulder 20 part way down the container body from the upper end thereof.
  • Below the shoulder 20 fast twin spiral or helical threads 21 encircle the inner surface of the container extending down towards the lower end thereof.
  • the cartridge 17 is formed with a pair of outwardly projecting pins 17a on diametrically opposing sides thereof to engage in the twin threads whereby rotation of the cartridge with respect to the inner container in one direction causes the cartridge to move linearly downwardly with in the main body of the container and rotation of the cartridge in the opposition direction causes the cartridge to rise with respect to the container.
  • the upper end of the cartridge is formed with a further pair of outwardly extending pins 17b on diametrically opposed sides thereof (and 90° out of phase with the first pair 17a) which engage in axially extending channels 23 extending down the inner side of the cap 12 at diametrically spaced locations thereon.
  • the cartridge 17 is thus rotated in the main body part 11 by rotation of the cap 12 which rotation causes the cartridge to move up or down in the main body part of the container according to the direction of rotation by reason of the engagement of the pins 17a on the cartridge with the thread 21 in the main part of the container.
  • the cap has an aperture 24 formed in its upper end with an encircling "bevelled” seating 25 to receive the upper end of the cartridge has a corresponmding chamber 26 around its periphery to engage the seat 25 and close the aperture.
  • a coil spring 27 encircles the cartridge and has one end 28 engaged in the lower end of one of the channels 23 and a leg 29 at the opposite end of the spring anchored on the shoulder 20 of the main body part of the container..
  • the spring is arranged to bias the cap 12 in one rotational direction with respect to the main container body 11 to hold the cartridgge at the upper end of its travel with the upper end of the cartridge closing the outlet port 24 from the cap of the container.
  • the lower end of the body part 11 of the container has a screw in plug 28 which may be removed to provide access to the cartridge 17 within the container when one cartridge has been spent and it is desired to replace it with another. It will be understood that the main body of the cartridge may be utilised time and again by replenishing the wick contained within the cartridge with a fresh supply of aroma emitting liquid.
  • the dispenser described above provides a simple container which can be dimensioned to be held unobtrusively in the palm of the hand and allowing the cap to be twisted by the thumb and index finger to open the port 24 of the cap to release aroma from the container to be inhaled by the user without the dispenser being visually apparent to a third party.
  • the cap is simply released and the bias of the spring within the container automatically rotates the cap to move the cartridge upwardly in the cap to close the port and prevent further escape of aroma.
  • the device provides a simple and satisfying implement which is readily used single handed to emit an aroma of the user's choice which may be stimulating, relaxing or may simply provide an aroma which is attractive and enjoyable to the user.
  • dispenser ' can be incorporated as part of another implement for some further use.
  • dispenser could be incorporated at the top part of a writing instrument such as a pen or as part of some other similarly sized utilitarian instrument.
  • the cap 12 has an integral reduced diameter cylindrical skirt. 30 under the juncture between the cap and skirt there is a raised rim 31 on the cap, a corresponding rim 32 on the skirt and a channel 33 between the adjacent rims.
  • the open end of the container 11 has an inturned flange around its open end broken at diametrically opposite locations 35, 36 by channels 37 extending axially along the inner side of the container.
  • the skirt When assembled the skirt is rotated in the container 11 and the flange 34 is trapped in the groove 33 to hold the cap/skirt on the container whilst permitting- the cap/container to rotate with respect to the skirt.
  • he end of the skirt 30 remote from the cap is formed with a plurality of upstanding abuttments 38 which bear on the inner side of the container to support the skirt against lateral movement in the container.
  • the skirt has elongate helically wound slots 40 on either side thereof and the cartridge 17 which engages in the cap/container has outwardly projecting bosses 41 on opposite sides thereof which project through the slots 40 and engage in the channels 37 in the container 11.
  • the cartridges constrained against relative rotation with respect to the container but can move axially along the conta.iner, which it does, by rotation of the cap/skirt by reason of the engagement of the bosses 41 in the slots 40.
  • Rotation of the cap/skirt in one direction with respect to the container 11 causes the bosses 41 of the cartridge to slide along the slots from the ends of the slots nearest the cap to the ends of the slots furthest from the cap.
  • the valve which is fixed at the end of the cartridge body is withrawn from the outlet 24 to open the outlet and thereby allow release of aroma from the material contained in the cartridge to the surrounding atmosphere.
  • the cartridge is biassed in the opposite direction by means of a powerful compression spring 27 disposed between the bottom end of the container and the cartridge to force the cartridge towards the end of the cap 12 and thereby engage the valve 26 in the outlet 24 to close the outlet.
  • the device can be formed from metal components or, conveniently, apart from the spring, from plastics mouldings.

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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)
  • Disinfection, Sterilisation Or Deodorisation Of Air (AREA)

Abstract

The disclosure related to an aroma dispenser comprise a elongate hollow cylindrical container (11) having a cap (12) mounted at one end of the container for rotation with respect to the container. An outlet aperture (24) is formed in the cap which is opened and closed by a valve member (25) operated by relative rotation of the cap and container against a biasing spring (27) which urges the valve member into the closed position. The cap/container assembly contains a wick (19) soaked in an aromatic liquid the vapour of which is released to atmosphere from the container when the valve is open.

Description

IMPROVEMENTS IN OR RELATING TO AROMA DISPENSERS
This invention relates to aroma dispensers.
This invention provides an aroma dispenser comprising, an elongate hollow closed container having a cap at one end thereof mounted for rotation with respect to the container about an axis extending lengthwise of the container, an outlet aperture in the cap, a valve member in the cap for closing the outlet aperture, means operable by relative rotation of the cap and container in one direction to retract the cap member from the aperture to open the outlet, biassing means to resist valve opening and acting to return the valve member to said outlet closing position on release of the cap and means within the container for holding a supply of an aroma emitting matter for release through said aperture when opened.
Preferably the container is of elongate cylindrical form, the cap being disposed at one end of the container and the outlet from the cap being disposed in the end of the cap.
It is further preferred that the means to hold a supply of aroma emitting matter comprise a cartridge containing aroma emitting matter disposed in the container/cap, one end of cartridge extending into the cap forming said valve member to close the outlet in the cap and the cartridge being retractible from the outlet to open the outlet by relative rotation between the cap and container in one direction and said biassing means acting to urge the cartridge in the opposite direction to restore the valve to the outlet closing position when the cap is released. In one arrangement cam means may be provided between the cartridge and container for moving the cartridge linearly in response to rotation of the cartridge with respect to the container and guide means may be provided between the cap and cartridge for constraining the cartridge to rotate with the cap but to permit linear sliding movement of the cartridge with respect to the cap to open and close the valve at the end of the cap in the outlet of the cap, whereby rotation of the cap with respect to the container in one direction withdraws the valve end of the cartridge from the outlet against to open the outlet and in the opposite direction engages the valve end in the outlet to close the outlet.
More specifically the cam means may act between the cartridge and container comprise a screw thread around the inner side the container and a projection or projections on the cartridge engaging in the screw thread.
Further the biassing means biassing the valve member into the closed position may comprise a coil spring acting between the cap and container to bias the cap in the direction with respect to the container to close the valve in the outlet.
In a further arrangement cam means may be provided between the cartridge and cap for moving the cartridge linearly towards and away from the outlet end of the cap with relative rotation between the cartridge and cap, and guide means are provided to constrain the cartridge to move linearly with respect to the lengthwise direction of the container, whereby relative rotation between the cap and container in one direction retracts the valve end of the cartridge from the outlet in the cap to open the outlet and in the opposite direction engages the valve end in the outlet to close the outlet.
More specifically the cap may be formed with an elongate dependant cylindrical skirt which projects into the container, the cartridge is disposed within the skirt and cap, means are provided on the container for engaging the cartridge to resist rotation thereof with respect to the container and said cam means act between the skirt of the cap and the cartridge whereby the rotation of the skirt with the cap with respect to the container in one direction causes the cartridge to move the valve member thereof away from the outlet end of the cap. Furthermore the cam means may act between the skirt and_cartridge comprise a slot would helically around the skirt and a projection on the cartridge .engaging in the slot.
In the latter construction the means to prevent rotation of the cartridge with respect to the container may comprise a guide channel extending along the linear side of the container and said projection on the cartridge extends through the slot in the skirt and engages in the channel to prevent rotation of the cartridge with respect to the container whilst permitting linear movement of the cartridge with respect to the container.
The means to bias the valve member into the closed position in the outlet in the cap comprise a spring acting between the valve member and the container to urge the valve member towards the outlet in the end of the cap. In any of the above arrangements the cartridge may contain an absorbent material soaked in an aroma emitting chemical and has a plurality of vents to release the aroma therefrom to the interior of the container to be released from the container when the outlet in the cap is opened.
The following is a description of two specific embodiment of the invention, reference being made to the accompanying drawings in which:
Figure 1 is a section through an aroma dispenser in accordance with the invention;
Figure 2 is an elevation view of a rechargeable cartridge for use in the dispenser;
Figure 3 is a plan view of the cartridge shown in Figure 2;
Figure 4 is a section through an upper part of the dispenser shown in Figure l;
Figure 5 is an underplan view of the part of the dispenser shown in Figure 4; and
Figure 6 is a plan view of a main container port of the dispenser;
Figure 7 is a section on the line A-A on figure 6; and
Figures 8 to 13 illustrate a further embodiment.
The drawings show an aroma dispenser comprising a container indicated generally at 10 of elongate cylindrical form and comprising a main body part 11 and a cap 12 formed in plastics or in metal. The upper end of the main body part 11 of the container has a reduced outer diameter to form a spigot 13 with an integral encircling shoulder 14. The cap 12 is formed at its lower end with a socket 15 to receive and encircle the spigot and the wall of the socket is formed with a groove 16 in which the annular ridge 14 engages to hold, the cap on the main body part whilst permitting the cap to be rotated with respect to the main body part.
An elongate cylindrical cartridge 17 is disposed within the container and has large ports 18 cut in opposing sides thereof. The cartridge contains a wick or felt of similar material 19 soaked in an aromatic fluid to give off the required aroma through the ports 18 to the interior of the container.
The body part 11 of the container is formed with an annular upwardly extending shoulder 20 part way down the container body from the upper end thereof. Below the shoulder 20 fast twin spiral or helical threads 21 encircle the inner surface of the container extending down towards the lower end thereof. The cartridge 17 is formed with a pair of outwardly projecting pins 17a on diametrically opposing sides thereof to engage in the twin threads whereby rotation of the cartridge with respect to the inner container in one direction causes the cartridge to move linearly downwardly with in the main body of the container and rotation of the cartridge in the opposition direction causes the cartridge to rise with respect to the container. The upper end of the cartridge is formed with a further pair of outwardly extending pins 17b on diametrically opposed sides thereof (and 90° out of phase with the first pair 17a) which engage in axially extending channels 23 extending down the inner side of the cap 12 at diametrically spaced locations thereon. The cartridge 17 is thus rotated in the main body part 11 by rotation of the cap 12 which rotation causes the cartridge to move up or down in the main body part of the container according to the direction of rotation by reason of the engagement of the pins 17a on the cartridge with the thread 21 in the main part of the container.
The cap has an aperture 24 formed in its upper end with an encircling "bevelled" seating 25 to receive the upper end of the cartridge has a corresponmding chamber 26 around its periphery to engage the seat 25 and close the aperture. A coil spring 27 encircles the cartridge and has one end 28 engaged in the lower end of one of the channels 23 and a leg 29 at the opposite end of the spring anchored on the shoulder 20 of the main body part of the container.. The spring is arranged to bias the cap 12 in one rotational direction with respect to the main container body 11 to hold the cartridgge at the upper end of its travel with the upper end of the cartridge closing the outlet port 24 from the cap of the container. Rotation of the cap with respect to the body part 11 to lower the cartridge 17 and thereby open the port 24 to release aroma from the interior of the container is this resisted by the spring. When the cap is released, the bias of the spring is sufficient to rotate the cap automatically with respect to the main body part of the container until the cartridge rises to the upper limit of its travel withthe top of the cartridge engaging in and closing the port 24.
The lower end of the body part 11 of the container has a screw in plug 28 which may be removed to provide access to the cartridge 17 within the container when one cartridge has been spent and it is desired to replace it with another. It will be understood that the main body of the cartridge may be utilised time and again by replenishing the wick contained within the cartridge with a fresh supply of aroma emitting liquid.
It will be appreciated that the dispenser described above provides a simple container which can be dimensioned to be held unobtrusively in the palm of the hand and allowing the cap to be twisted by the thumb and index finger to open the port 24 of the cap to release aroma from the container to be inhaled by the user without the dispenser being visually apparent to a third party. When the user has inhaled to the extent desired, the cap is simply released and the bias of the spring within the container automatically rotates the cap to move the cartridge upwardly in the cap to close the port and prevent further escape of aroma.
The device provides a simple and satisfying implement which is readily used single handed to emit an aroma of the user's choice which may be stimulating, relaxing or may simply provide an aroma which is attractive and enjoyable to the user.
It will of course be understood that many modifications may be made to the above described embodiment without departing from the scope of the invention. For example the dispenser' can be incorporated as part of another implement for some further use. For example the dispenser could be incorporated at the top part of a writing instrument such as a pen or as part of some other similarly sized utilitarian instrument.
Referring now to Figures 7 to 13 of the drawings, there is shown a further embodiment of the invention which is a modification of the previously described embodiment and like parts have been alloted the same reference numerals. Any arrangement shown in figure 7, the cap 12 has an integral reduced diameter cylindrical skirt. 30 under the juncture between the cap and skirt there is a raised rim 31 on the cap, a corresponding rim 32 on the skirt and a channel 33 between the adjacent rims. The open end of the container 11 has an inturned flange around its open end broken at diametrically opposite locations 35, 36 by channels 37 extending axially along the inner side of the container. When assembled the skirt is rotated in the container 11 and the flange 34 is trapped in the groove 33 to hold the cap/skirt on the container whilst permitting- the cap/container to rotate with respect to the skirt. he end of the skirt 30 remote from the cap is formed with a plurality of upstanding abuttments 38 which bear on the inner side of the container to support the skirt against lateral movement in the container. The skirt has elongate helically wound slots 40 on either side thereof and the cartridge 17 which engages in the cap/container has outwardly projecting bosses 41 on opposite sides thereof which project through the slots 40 and engage in the channels 37 in the container 11. Thus the cartridges constrained against relative rotation with respect to the container but can move axially along the conta.iner, which it does, by rotation of the cap/skirt by reason of the engagement of the bosses 41 in the slots 40. Rotation of the cap/skirt in one direction with respect to the container 11 causes the bosses 41 of the cartridge to slide along the slots from the ends of the slots nearest the cap to the ends of the slots furthest from the cap. In so doing, the valve which is fixed at the end of the cartridge body is withrawn from the outlet 24 to open the outlet and thereby allow release of aroma from the material contained in the cartridge to the surrounding atmosphere. The cartridge is biassed in the opposite direction by means of a powerful compression spring 27 disposed between the bottom end of the container and the cartridge to force the cartridge towards the end of the cap 12 and thereby engage the valve 26 in the outlet 24 to close the outlet.
The device can be formed from metal components or, conveniently, apart from the spring, from plastics mouldings.

Claims

1. An aroma dispenser comprising, an elongate hollow closed container having a cap at one end thereof mounted for rotation with respect to the container about an axis extending lengthwise of the container, an outlet aperture in the cap, a valve member in the cap for closing the outlet aperture, means operable by relative rotation of the cap and container in one direction to retract the cap member from the aperture to open the outlet, biassing means to resist valve opening and acting to return the valve member to said outlet closing position on release of the cap and means within the container for holding a supply of an aroma emitting matter for release through said aperture when opened.
2. A dispenser as claimed in claim 1 wherein the container is of elongate cylindrical form, the • cap being disposed at one end of the container and the outlet from the cap being disposed in the end of the cap.
3. A dispenser as claimed in claim- 1 or claim 2 wherein the means to hold a supply of aroma emitting matter comprise a cartridge containing aroma emitting matter disposed in the container/cap, one end of cartridge extending into the cap forming said valve member to close the outlet in the cap and the cartridge being retractible from the outlet to open the outlet by relative rotation between the cap and container in one direction and 'said biassing means acting to urge the cartridge in the opposite direction to restore the valve to the outlet closing position when the cap is released.
4. An aroma dispenser as claimed in claim 3, wherein cam means are provided between the cartridge and container for moving the cartridge linearly in response to rotation of the cartridge with respect to the container and guide means are provided between the cap and cartridge for constraining the cartridge to rotate with the cap but to permit linear sliding movement of the cartridge with respect to the cap to open and close the valve at the end of the cap in the outlet of the cap, whereby rotation of the cap with respect to the container in one direction withdraws the valve end of the cartridge from the outlet against to open the outlet and in the opposite direction engages the valve end in the outlet to close the outlet.
5. A dispenser as claimed in claim 4 wherein the cam means acting between the cartridge -and container comprise a screw thread around the inner side the container and a projection or projections on the cartridge engaging in the screw thread.
6. A dispenser as claimed in claim 5, wherein the screw thread comprises multi-start helical thread.
7. A -dispenser as claimed in any of the claims 4 to 6, wherein the biassing means biassing the valve member into the closed position comprises a coil spring acting between the cap and container to bias the cap in the direction with respect to the container to close the valve in the outlet.
8. A dispenser as claimed in claim 3, wherein cam means are provided between the cartridge and cap • for moving the cartridge linearly towards and away from the outlet end of the cap with relative rotation between the cartridge and cap, and guide means are provided to constrain the cartridge to move linearly with respect to the lengthwise direction of the container, whereby relative rotation between the cap and container in one direction retracts the valve end of the cartridge from the outlet in the cap to open the outlet and in the opposite direction engages the valve end in the outlet to close the outlet.
9. A dispenser as claimed claim 8 wherein the cap is formed with an elongate dependant cylindrical skirt which projects into the container, the cartridge is disposed within the skirt and cap, means are provided on the container for engaging the cartridge "to resist rotation thereof with respect to the container and said cam means act between the skirt of the cap and the cartridge whereby the rotation of the skirt with the cap with respect to the container in one direction causes the cartridge . to move the valve member thereof away from the outlet end of the cap. »
10. A dispenser as claimed in claim 9 wherein the cam means acting between the skirt and- cartridge comprise a slot would helically around the skirt and a projection on the cartridge engaging in the slot.
11. A dispenser as claimed in claim 10, wherein the means to prevent rotation of the cartridge with respect to the container comprise a guide channel extending along the linear side of the container and said projection on the cartridge extends through the slot in the skirt and engages in the channel to prevent rotation of the cartridge with respect to the container whilst permitting linear movement of the cartridge with respect to the container.
12. A dispenser as claimed in any of claims 9 to 11 wherein the means to bias the valve member into the closed position in the outlet in the cap comprise a spring acting between the valve member and the container to urge the valve member towards the outlet in the end of the cap.
13. A dispenser as claimed in any of claims 3 to 12, wherein the cartridge contains an absorbant material soaked in an aroma emitting chemical and has a plurality of vents to release the aroma therefrom to the interior tr§- the container to be released from the container when the outlet in the cap is opened.
PCT/GB1988/000639 1987-08-07 1988-08-02 Improvements in or relating to aroma dispensers WO1989001447A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB878718770A GB8718770D0 (en) 1987-08-07 1987-08-07 Aroma dispensers
GB8718770 1987-08-07

Publications (1)

Publication Number Publication Date
WO1989001447A1 true WO1989001447A1 (en) 1989-02-23

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ID=10621985

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1988/000639 WO1989001447A1 (en) 1987-08-07 1988-08-02 Improvements in or relating to aroma dispensers

Country Status (2)

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GB (1) GB8718770D0 (en)
WO (1) WO1989001447A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2492150A (en) * 2011-06-24 2012-12-26 Reckitt & Colman Overseas Devices for emanating liquids

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1985001A (en) * 1933-07-01 1934-12-18 Harry M Thometz Inhaler
US2456451A (en) * 1946-05-31 1948-12-14 Scovill Manufacturing Co Inhaler
US3285453A (en) * 1964-10-05 1966-11-15 Arnaldo E Wagner Closure cap device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1985001A (en) * 1933-07-01 1934-12-18 Harry M Thometz Inhaler
US2456451A (en) * 1946-05-31 1948-12-14 Scovill Manufacturing Co Inhaler
US3285453A (en) * 1964-10-05 1966-11-15 Arnaldo E Wagner Closure cap device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2492150A (en) * 2011-06-24 2012-12-26 Reckitt & Colman Overseas Devices for emanating liquids
GB2492150B (en) * 2011-06-24 2014-05-07 Reckitt & Colman Overseas Devices and methods for emanating liquids

Also Published As

Publication number Publication date
GB8718770D0 (en) 1987-09-16

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