WO2008049162A1 - Gaine protectrice - Google Patents

Gaine protectrice Download PDF

Info

Publication number
WO2008049162A1
WO2008049162A1 PCT/AU2007/001620 AU2007001620W WO2008049162A1 WO 2008049162 A1 WO2008049162 A1 WO 2008049162A1 AU 2007001620 W AU2007001620 W AU 2007001620W WO 2008049162 A1 WO2008049162 A1 WO 2008049162A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheath
lance
nozzle
wand
discharge opening
Prior art date
Application number
PCT/AU2007/001620
Other languages
English (en)
Inventor
Michael Charles Cooke
Original Assignee
Brando International Limited
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
Priority claimed from AU2006905921A external-priority patent/AU2006905921A0/en
Application filed by Brando International Limited filed Critical Brando International Limited
Priority to AU2007308747A priority Critical patent/AU2007308747A1/en
Priority to EP07815425A priority patent/EP2079349A1/fr
Publication of WO2008049162A1 publication Critical patent/WO2008049162A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/4489—Steam nozzles, e.g. for introducing into a milk container to heat and foam milk

Definitions

  • the present invention relates to food processing apparatus and particularly to apparatus immersible in a contaminating liquid.
  • the invention has been developed primarily as a protective sheath for a steam wand of a coffee making machine. However, it will be appreciated that the invention is not limited to this particular field of use.
  • Coffee making machines typically provide a steam wand for frothing milk to make hot milk-based beverages, such as cafe lattes, hot chocolates and mochacinos.
  • the steam wand is dipped into a container of milk, and hot steam and/or water vapour is discharged from the wand to create a milky froth that is subsequently transferred to the beverage.
  • the wand is usually cleaned manually with a wet rag, which may have been used to clean other surfaces.
  • contaminants contained in the rag such as dirt and bacteria, may be transferred onto the steam wand. This creates a hygiene and food safety hazard.
  • thermometers have been used to indicate the temperature of the milk to avoid overheating of the milk past its "scalding" temperature.
  • One aspect of the present invention provides a protective tubular sheath for a lance immersible in a contaminating liquid, said lance having a discharge nozzle at its distal end, said sheath comprising: a neck opening at one end adapted for releasable attachment to said lance adjacent said nozzle and further having a discharge opening at its other end, said sheath being protectively evertable over said lance such that said discharge opening moves over said neck opening to protectively cover an immersible portion of said lance.
  • Another aspect of the present invention provides method of protecting a lance immersible in a contaminating liquid, said lance having a discharge nozzle at its distal end, said method comprising the steps of: providing a tubular sheath having a neck opening at one end and a discharge opening at its other end; releasably attaching said neck opening to said lance adjacent said nozzle, and everting said sheath over said lance such that said discharge opening moves over said neck opening to protectively cover an immersible portion of 5 said lance.
  • said sheath is. evertable such that the previously inner surface of said sheath is exposed to said contaminating liquid during use.
  • the sheath is fe-evertable for cleaning said inner surface by fluid discharge from said nozzle and through said discharge opening.
  • the neck opening comprises a resilient member for attaching the neck opening
  • the resilient member forms a substantially fluid tight seal with the nozzle.
  • the resilient member is in the form of a sleeve.
  • the resilient member comprises one or more rings for gripping the lance or nozzle.
  • the resilient member comprises one or more fingers for gripping the underside of the nozzle without substantially obstructing fluid discharge0 therefrom.
  • the resilient member comprises a mesh or netting for gripping the underside of the nozzle without substantially obstructing fluid discharge therefrom.
  • the discharge opening lies in a plane at an oblique angle to the longitudinal axis of the sheath.
  • the sheath has a frusto-conical body.5
  • the sheath may substantially conform to the shape of the lance.
  • the sheath is made of a flexibly resilient material such that the sheath contracts around or grips the lance as it is everted.
  • the sheath is made of a flexibly resilient material.
  • the sheath is heat resistant and/or corrosion resistant.
  • the sheath comprises an anti-bacterial material.
  • the sheath is transparent or translucent.
  • the sheath has one or more of these properties, as required. That is, the sheath may be formed with one or more properties selected ftom the group consisting of heat resistance, corrosion resistance, moisture resistance, anti-bacterial, transparency and translucence.
  • the discharge opening comprises a compression member for facilitating eversion and re-eversion of the sheath.
  • the compression member is at least partially annular.
  • the discharge opening comprises a handle for operating the sheath.
  • the handle extends radially outward relative to the lance.
  • the discharge opening comprises a lip.
  • the lip comprises a hand engaging portion.
  • the sheath comprises one or more markings.
  • the markings indicate predetermined levels for immersing the lance in the contaminating liquid.
  • the sheath is at least partially made of a thermochromic material for indicating one or more predetermined temperatures of the contaminating liquid.
  • one or more zones of the sheath comprise thermochroniic pigments.
  • the zones of the sheath comprise substantially parallel strips along the length of the sheath.
  • said everting step comprises exposing the previously inner surface of said sheath to said contaminating liquid during use.
  • the everting step is performed such that the sheath engages or grips the lance as it is everted.
  • the method comprises the step of re-everting the sheath.
  • the re-everting step is performed such that the sheath engages or grips the lance as it is re-everted.
  • the method comprises the step of cleaning the inner surface.
  • the cleaning step is performed after the re-everting step.
  • the cleaning step comprising discharging fluid from said nozzle and through said discharge opening.
  • the attaching step comprises forming a substantially fluid tight seal between the neck opening and the nozzle.
  • the sheath providing step comprises forming the sheath with one or more properties selected from the group consisting of heat resistance, corrosion resistance, moisture resistance, anti-bacterial, transparency and translucence.
  • the method comprises the step of indicating predetermined levels on the sheath for immersing the lance in the contaminating liquid.
  • the method comprises the step of at least partially forming the sheath with a thermochromic material for indicating one or more predetermined temperatures of the contaminating liquid on the sheath.
  • the contaminating liquid is a beverage, comprising milk.
  • the lance is a steam wand.
  • the nozzle is an aspirating nozzle.
  • Figure 1 is a perspective view of a protective sheath according to one embodiment the invention prior to attachment to a steam wand of a coffee making machine;
  • Figure 2 is a perspective view illustrating the protective sheath of Figure 1 attached to the steam wand;
  • Figuxe 3 is a perspective view illustrating the protective sheath of Figure I being everted;
  • Figure 4 is a perspective view illustrating the protective sheath fully everted on the wand
  • Figure 5 is a perspective view illustrating the protective sheath in use
  • Figure 6 is a perspective view illustrating the protective sheath re-everted
  • Figure 7 is a perspective view of a protective sheath according to another embodiment of the invention attached to a steam wand of a coffee making machine;
  • Figure 8 is a perspective view illustrating the protective sheath fully everted on the wand
  • Figure 9 is a perspective view of a protective sheath according to a further embodiment of the invention attached to a steam wand of a coffee making machine;
  • Figure 10 is a side view illustrating the protective sheath of Figure 9 in an installed position attached to the steam wand;
  • Figure 11 is a perspective view illustrating the protective sheath of Figure 9 in use
  • Figure 12 is a side view of the protective sheath of Figure 9 in use
  • Figure 13 is a front view of the protective sheath of Figure 9 in use
  • Figure 14 is a top view of the protective sheath of Figure 9 in use
  • Figure 15 is a partial cut-away cross-sectional view of the neck opening of the protective sheath of Figure 9 in use;
  • Figures 16 to 19 are cut-away cross-sectional views of the protective sheath of Figure 9 in use;
  • Figure 20 is a cross-sectional view of the sheath of Figure 9 in use, with a stirrup for attaching the sheath to the wand;
  • Figure 21 is a cross-sectional view of the sheath of Figure 9 in use, with a mesh cage for attaching the sheath to the wand;
  • Figures 22A to 22C are cross-sectional views of an adaptor ring for attaching the sheath of Figure 9 to different types of wands and nozzles;
  • Figure 23 is a perspective view of the sheath according to a further embodiment of the invention in a collapsed form in its packaging for storage and transport.
  • the drawings illustrate a protective tubular sheath 1 applicable to a lance 2 immersible in a contaminating liquid 3.
  • the lance is in the form of a steam wand 2 of a coffee making machine (not shown) and has an aspirating discharge nozzle 4 at its distal end S.
  • the sheath 1 has a neck opening 6 at one end 7 adapted for 15 releasable attachment to the wand 2 adjacent the nozzle 4, and further has a discharge opening 8 at its other end 9,
  • the sheath 1 is protectively evertable over the wand 2 such that the discharge opening 8 moves over the neck opening 6 to protectively cover an immersible portion 10 of the wand 2. This exposes the0 previously inner surface 11 of the sheath 1 to the contaminating liquid 3 during use.
  • Figure 4 illustrates the protective sheath 1 in its operative position, protectively covering the immersible portion 10 of the wand 2.
  • the neck opening 6 comprises a resilient sleeve 12, which is either bonded to or formed integrally with the transparent frusto-co ⁇ ical body of the sheath 1.
  • The5 resilient sleeve 12 forms a substantially fluid tight seal between the nozzle 4 and the neck opening 6, thus inhibiting or preventing the egress of any froth or liquid into contaminating contact with the wand 2.
  • the discharge opening 8 lies in a plane 13 that is at an oblique angle to a longitudinal axis 14 of the sheath 1.
  • the discharge opening 8 also comprises a lip 15, from which depends a hand engaging portion 16.
  • the sheath comprises a circumferential marking 17 on its outer surface, which indicates a predetermined optimum level for immersing the wand 2 in the contaminating liquid when the sheath 1 is everted.
  • the sheath 1 is substantially transparent to enable the marking 17 to be visible when the sheath 1 is everted to expose the inner surface 11,
  • the marking 17 can be provided on the inner surface 11 so that it only becomes visible when the sheath 1 is everted into its operative position as shown in Figure 4.
  • the invention also provides a method of protecting a lance
  • the method comprises the steps of providing a tubular sheath 1 having a neck opening 6 at one end 7 and a discharge opening 8 at its other end 9, and releasably attaching the neck opening 6 to the lance 2 adjacent said nozzle 4.
  • the method further comprises everting the sheath 1 over the lance 2 such that the discharge opening 3 moves over the neck opening 6 to protectively cover an immersible portion 10 of the lance 2.
  • the sheath 1 To install the sheath 1, it is attached to the wand 2 by inserting the nozzle 4 into the neck opening 6 so that resilient sleeve 12 engages and grips the nozzle 4, forming a substantially fluid tight seal between the nozzle 4 and the neck opening 6, as best shown in Figure 2. From this installed position, the hand engaging portion 16 is used to lift the discharge opening 8 over the neck opening 6 and nozzle 4, everting the sheath 1 so as to expose the previously inner surface 11 of the sheath 1, as best shown in Figure 3. That is, the sheath 1 is turned inside out as the discharge opening 8 is lifted over the neck opening 6.
  • the sheath 1 now protectively covers the immersible portion 10 of the wand 2 to shield this immersible portion from any potential contaminants which may adhere to its surface when the wand 2 is being used to make a beverage, such as to froth milk.
  • the wand 2 for example to froth milk for a cafe latte» the wand with the protective sheath 1 is dipped into a container 1 S of milk 3 up to the line defined by circumferential marking 17, as best shown in Figure 5. The wand 2 is then actuated to froth the milk 3 in the usual way. Since the protective sheath 1 surrounds the now immersed portion 10 of the wand 2, it prevents any froth from adhering to the surface of the wand 2 during its operation.
  • the container 18 is removed and the frothed milk poured over the cafe latte. Any milk or froth residue that remains adheres only to the exposed, previously inner surface 11 of the everted sheath 1, leaving the wand 2 free from any potential contaminants.
  • the sheath 1 To remove or clean the sheath 1, it is re-everted from its operative position of Figure 4 into its installed position, as shown in Figure 2. If the sheath 1 is to be disposed, it is simply removed by pulling the sheath 1 to detach the resilient sleeve 12 from the nozzle 4. However, if the sheath 1 is to be cleaned for reuse, the wand 2 is simply actuated to discharge hot water, water vapour or steam 19 and flush the inner surface 11 of the sheath 1, as best shown in Figure 6. Any froth or liquid milk residue is removed by the hot water or steam 19 through the discharge opening 8 into an empty container 20. The re-everted sheath also protects the user from the hot steam during the cleaning process.
  • the protective sheath 1 is preferably made of a flexibly resilient material which is heat-resistant to sustain repeated use.
  • the sheath may comprise a coat of antibacterial material to further inhibit the growth of bacteria in proximity to the wand 2.
  • the sheath I is sufficiently stiff to support itself.
  • the Hp 15 or hand engaging portion 16 can be tied to the coffee making machine using a hook, catch, latch or other attachment means.
  • FIGs 7 and 8 Another embodiment of the invention is illustrated in Figures 7 and 8, where corresponding features have been given the same reference numerals.
  • the sheath 1 is formed from a flexibly resilient material such that the sheath contracts around or grips the lance 2 as it is everted.
  • the sheath 1 can be everted and re-everted by moving the sheath up and down the wand 2, respectively, so as to substantially conform to the shape of the wand 2.
  • This also allows the sheath 1 to be self-supporting; that is, the sheath 1 is able to hold itself in the operative position without the assistance of any other attachment mechanism, such as hooks, catches and latches.
  • This embodiment minimises the amount of milk displaced and maximises the throughput of the steam into the milk and the visibility of the frothing process.
  • the neck opening 6 has also replaced the resilient sleeve 12 with an integrally formed circumferential ring 21 that is able to stretch over the nozzle 4 and form a fluid tight seal with the wand 2, Furthermore, the discharge opening 8 comprises an enlarged handle 22 that extends radially outwardly to enable the sheath 1 to be used with one hand and thus minimises the risk of the barista coming into contact with the heated wand 2, thus enabling the sheath to be everted and re-everted safely.
  • This embodiment operates in a similar fashion to the embodiment described in Figures 1 to 6.
  • the ring 21 is stretched over the wand 2 so that it grips the wand just above the nozzle 4, thus forming a substantially fluid tight seal between the nozzle 4 and the neck opening 6, as best shown in Figure 7.
  • the handle 22 is used to lift the discharge opening 8 over the neck opening 6 and nozzle 4, everting the sheath 1 so as to expose the previously inner surface 1 1 of the sheath, as best shown in Figure 8. That is, the sheath 1 is turned inside out as the discharge opening 8 is lifted over the neck opening 6.
  • the sheath 1 now protectively covers the immersible portion 10 of the wand 2 to shield this immersible portion from any potential contaminants which may adhere to its surface when the wand 2 is being used to make a beverage, such as to froth milk.
  • the sheath covered wand 2 for example to froth milk for a cafe Iatte, it is dipped into a container of milk, and the wand 2 is actuated to froth the milk in the usual way. Since the protective sheath 1 surrounds the now immersed portion 10 of the wand 2, it prevents any froth from adhering to the surface of the wand 2 during its operation. After completion of the milk frothing operation, any milk or froth residue that remains adheres only to the exposed, previously inner surface 11 of the everted sheath 1, leaving the wand 2 free from any potential contaminants.
  • the sheath 1 is then either removed or cleaned, as described in relation to the embodiment of Figures 1 to 6. That is, the sheath 1 is re-everted from its operative position in Figure 8 into its installed position of Figure 7, where it can be detached for disposal or cleaned for reuse by actuating the wand 2 to discharge hot water, water vapour or steam 19 and flush the inner surface 11 of the sheath 1.
  • the discharge opening S contracts to create a cigar-like tube forming a pressurised chamber, thus ensuring an elevated temperature within the volume enclosed by the re-everted sheath. This effectively sterilises the sheath for repeated use.
  • FIG. 9 A further embodiment of the invention is illustrated in Figures 9 to 19, where corresponding features have been given the same reference numerals.
  • This embodiment is similar to the embodiment of Figures 7 and 8 in that the sheath 1 is made of silicone to contract around or grip the wand 2 as it is everted so as to substantially conform to the shape of the wand.
  • the sheath 1 has a discharge opening 8 arranged Io flare radially outwards in the everted position, as best shown in Figures 1 1 to 14 and 16 to 19.
  • a relatively rigid compression ring 23 is formed at the discharge opening 8 to facilitate repeated everting and re-everting. Due to the equilateral elastic forces in the attached sheath 1 , the compression ring 23 effectively hovers clear of the wand 2.
  • the compression ring 23 comprises a highly visible handle 24 to assist in use of the sheath 1 with one hand.
  • the arrangement of the flared discharge opening 8, compression ring 23 and handle 24 ensures that the user does not come into contact with the heated wand 2 during the everting and re-everting operation.
  • the sheath 1 also lias a second relatively rigid circumferential ring 25 below the ring 21. Together the rings 21 and 25 permit retrofitting of the sheath 1 to a wide variety of steam wands in commercial use.
  • the rings 21 and 25 also securely attach the sheath 1 to the wand 2, as well as ensuring a fluid tight seal with the nozzle 4.
  • the ring 25 also helps to hold the neck opening 6 down during the everting operation so that the sheath is not everted above the nozzle 4, compromising the fluid tight seal.
  • the ports can still discharge steam past the ring 25 during a steaming operation, and afterwards, the ring 25 seals against the underside of the nozzle 4 to inhibit the ingress of milk and contaminated water.
  • the subsequent steam cleaning of the sheath also sterilises this area of the nozzle.
  • the handle 24 also includes written material for indicating the type of contaminating liquid that the sheath in being immersed. For example, in a coffee making machine with several wands 2, one wand may be dedicated to soy milk, whereas another wand is dedicated to milk, and the written matter on handle 24 provides a convenient means of reference.
  • the handles 24 can be colour coded to indicate the type of contaminating liquid. The colour-coding could also be used to indicate how long the sheath has been in use; for example, red coloured handles indicate a day shift, yellow coloured handles for the afternoon shift and blue coloured handles for the nighl shift. This permits the sheaths to be replaced regularly to improve hygiene.
  • Written advertising matter can be marked on the handle, including the product name of the sheath "Wandom" 26.
  • this embodiment is at least partially formed with thermochromic material to indicate a predetermined temperature of the milk.
  • thermochromic material to indicate a predetermined temperature of the milk.
  • This feature advantageously prevents overheating of the milk.
  • the temperature of the milk should be monitored to prevent it from overheating, otherwise the milk will "scald” (usually at 65°) and add a bitter or undesirable aftertaste to the milk-based beverage, especially coffee.
  • stainless steel thermometers are used to determine when the milk approaches its scalding temperature so that the barista will know when to stop frothing the milk.
  • the entire sheath comprises thermochromic material so that the sheath changes colour to indicate the temperature of the milk.
  • the thermochromic material takes the form of thermochromic pigments that change colour at a temperature just below the scalding temperature of 65°, and then changes colour again once the milk temperature reaches or exceeds 65°, The thermochromic pigments then change colour when the temperature drops to ambient temperature.
  • the thermochromic material may permanently change colour once the scalding temperature is reached.
  • thermochromic material can be formed with the sheath 1 in several ways.
  • the sheath has one or more zones or areas of thermochromic material.
  • the thermochromic material is embedded into the sheath.
  • the sheath comprises an area or zone having thermochromic pigments in the form of parallel strips running along the length of the sheath.
  • the thermochromic zones can be formed in any manner as desired, such as letters, symbols, shapes, logos, numbers, or even the predetermined level markings on the sheath.
  • the sheath may provide a useful indicator to a barista as to when to stop frothing the milk and thus avoid contamination by exceeding the scalding temperature.
  • This embodiment operates in a similar fashion to the embodiment described in Figures 7 and 8.
  • the ring 21 is stretched over the wand 2 so that it grips the wand just above the nozzle 4 and the ring 25 grips the end of the nozzle 4, as best shown in Figures 10 and 15.
  • the sheath 1 conforms to the shape of the nozzle, thus forming a substantially fluid tight seal between the nozzle 4 and the neck opening 6.
  • the handle 24 is grasped to lift the compression ring 23 and discharge opening 8 over the neck opening 6 and nozzle 4, everting the sheath 1 so as to expose the previously inner surface 11 of the sheath.
  • the sheath 1 is turned inside out as the discharge opening 8 is lifted over the neck opening 6.
  • the compression ring 23 ensures that the handle 24 is spaced from the wand 2 as it moves parallel to the axis of the wand.
  • the sheath covered wand 2 for example to froth milk for a cafe latte, it is dipped into a container of milk, and the wand 2 is actuated to froth the milk in the usual way. Since the protective sheath 1 surrounds the now immersed portion 10 of the wand 2, it prevents any froth from adhering to the surface of the wand 2 during its operation. Once the milk temperature is close to the scalding temperature, the thermochromic pigments in the sheath react and change colour, indicating to the user that the frothing of the milk should cease.
  • the sheath changes colour again to indicate that the frothed milk cannot be used and should be replaced with a new batch of milk.
  • the sheath 1 is then either removed or cleaned by re-everting it from its operative position into its installed position.
  • the sheath 1 is re-everted along the same parallel axis, assisted by the compression ring 23, to ensure that the user's hand is protected from the heated wand 2.
  • the sheath 1 is detached for disposal or cleaned for reuse by actuating the wand 2 to discharge hot water, water vapour or steam 19 and flush the inner surface 1 1 of the sheath 1.
  • the discharge opening 8 contracts to ensure an elevated temperature within the volume enclosed by the re-everted sheath, thus effectively sterilising the sheath for subsequent use.
  • the preferred embodiments provide a semi-reusable protective sheath 1 that prevents the accumulation of milk residue on the steam wand 2, reducing any labour involved in removing the residue and preventing contamination of the wand 2, Furthermore, the sheath 1 avoids the need for manual cleaning of the wand 2, thus preventing the transfer of contaminants such as dirt and harmful bacteria from a cleaning rag.
  • the sheath 1 can be cleaned hygienically using hot water or steam 19 from the nozzle 4. Alternatively, the sheath 1 can be replaced after each use.
  • Preferred flexibly resilient materials for the embodiments of the invention comprise plastic, rubber, silicone and other elastic materials.
  • the sheath is also composed of material that is biochemcially inert to comply with food safety requirements.
  • the sheath 1 can be everted and re- everted by rolling the sheath up and down the wand 2, respectively, so as to substantially conform to the shape of the wand 2.
  • the sheath 1 is generally cylindrical rather than frusto- conical in shape.
  • the sheath may also reverse its orientation so that the sheath tapers inwardly from the neck opening to the discharge opening, provided that it is evertable over the lance in the manner described.
  • Other configurations for the sheath body are also contemplated.
  • the sheath may use a flexible handle ring as an alternative to the compression ring of Figures 9 to 19.
  • the flexible handle ring also facilitates eversion of the sheath, and has a greater diameter than the majority of the sheath when in the everted position.
  • the flexible handle ring could comprise a loop to hook up with the top of the sheath, where the sheath is not made of an elastic material to conform to the shape of the wand.
  • the compression ring 23 can be replaced with a partially annular shape, such as a hook-shape, horseshoe-shape or V-shape, so long as it enables the expansion, eversion and manipulation of the discharge opening 8,
  • multiple compression rings 23 are provided along the length of the sheath to improve its rigidity in the everted position.
  • the compression ring 23 and its variants can also be formed as part of the packaging or packaging support to minimise the materials used in the sheath.
  • a further embodiment provides a handle on the sheath tor manipulating the wand itself, either via the handles 22 and 24 or an entirely separate handle attachment. This obviates the need for the user to use the grommet that is usually installed on the coffee making machine when the sheath is installed.
  • the sheath can also be provided with suitable attachments for retrofitting the sheath to a wide array of steam wands that are found in use.
  • one form of attachment comprises replacing the lower second ring 25 with one or more "stirrups", which are elastically connected to the upper ring 21.
  • a further variation involves elastically connecting one or more stirrups to the lower second ring, which in this case would be less rigid than its counterpart in the double ring arrangement
  • Aa beat shown, in Figure 20 the ring 21 is placed just above the nozzle 4 and the elastically draws the stirrup 27 into engagement with the underside of the nozzle.
  • the stirrup 27 allows any steam ports above to discharge steam unhindered or unobstructed by the sheath 1,
  • another form of attachment comprises a stainless steel mesh cage 28 attached to the upper ring 21 to fit around the nozzle 4 and its underside, again permitting the steam ports above to discharge steam unhindered or unobstructed by the sheath.
  • a further embodiment employs an adaptor ring 29 that enables the sheath to be fitted to different types of wands and nozzles. Referring to Figure 22A, the adaptor ring 29 is fitted to the wand 2 above the nozzle 4 like a washer, over which the sheath 1 is attached so as to secure it to the wand.
  • the sheath is collapsible or articulated so that it can be folded into a compact body for ease of storage and minimising the volume of the packaged sheath and the amount of material required for packaging the sheath, as best shown in Figure 23.
  • the packaging 30 comprises a heat seated pack 31 containing the collapsed sheath 1, and pre-formed peel apart tabs 32 to ensure that the sheath can be removed without contamination, Collapse of the sheath may be achieved by pre-forming concertina or origami-like folds in the sheath, or the use of multiple rings acting as fold lines.
  • the sheath may be used for other applications where a lance needs to be protected from a contaminating liquid. Accordingly, the sheath can be formed to have additional or alternative anti-contamination properties, if required. Such properties could comprise corrosion resistance or moisture resistance. Furthermore, it will be appreciated that these anti-contamination properties for the sheath can be individually selected or combined, according to the desired properties.

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Apparatus For Making Beverages (AREA)

Abstract

La présente invention concerne une gaine tubulaire protectrice (1) pour une lance (2) apte à être immergée dans un liquide contaminant (3), ladite lance (2) étant dotée d'une buse de décharge (4) à son extrémité distale (5), ladite gaine (1) comprenant une ouverture de col (6) à une extrémité (7) adaptée pour une fixation amovible à ladite lance (2) au voisinage de ladite buse (4) et possédant en outre une ouverture de décharge (8) à son autre extrémité (9), ladite gaine (1) pouvant être retournée de façon protectrice sur ladite lance (2), de telle sorte que ladite ouverture de décharge (8) se déplace sur ladite ouverture de col (6) pour recouvrir de façon protectrice une partie (10) pouvant être immergée de ladite lance (2). L'invention porte également sur un procédé de protection de la lance, qui comprend les opérations consistant à se procurer la gaine tubulaire (1), à fixer de façon amovible l'ouverture de col (6) à la lance (2) au voisinage de la buse (4), et à retourner la gaine (1) sur la lance (2) de telle sorte que l'ouverture de décharge (6) se déplace sur l'ouverture de col (6) pour recouvrir de façon protectrice une partie (10), qui peut être immergée, de la lance (2).
PCT/AU2007/001620 2006-10-24 2007-10-24 Gaine protectrice WO2008049162A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2007308747A AU2007308747A1 (en) 2006-10-24 2007-10-24 Protective sheath
EP07815425A EP2079349A1 (fr) 2006-10-24 2007-10-24 Gaine protectrice

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2006905921A AU2006905921A0 (en) 2006-10-24 Protective sheath
AU2006905921 2006-10-24

Publications (1)

Publication Number Publication Date
WO2008049162A1 true WO2008049162A1 (fr) 2008-05-02

Family

ID=39324024

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2007/001620 WO2008049162A1 (fr) 2006-10-24 2007-10-24 Gaine protectrice

Country Status (3)

Country Link
EP (1) EP2079349A1 (fr)
AU (1) AU2007308747A1 (fr)
WO (1) WO2008049162A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTV20130166A1 (it) * 2013-10-16 2015-04-17 Hausbrandt Trieste 1892 Spa Dispositivo per la montatura del latte
WO2017003290A1 (fr) * 2015-07-01 2017-01-05 Koninklijke Douwe Egberts B.V. Émulsionneur
NL2015068B1 (en) * 2015-07-01 2017-01-30 Douwe Egberts Bv A system for heating and frothing a beverage, a device for heating and frothing a beverage suitable for being used in such a system, a froth wand suitable for being used in such a system and a method of preparing a beverage using such a system.
EP3349630A4 (fr) * 2015-09-18 2019-07-10 Starbucks Corporation Systèmes et procédés de préparation de boissons
WO2019186335A1 (fr) 2018-03-26 2019-10-03 Rancilio Group S.p.A. Procédé de commande d'une température de boisson dans un dispositif de chauffage et/ou de moussage d'une boisson
DE102019203587A1 (de) * 2019-03-15 2020-09-17 Scraegg Gmbh Vorrichtung zur vorzugsweise fettfreien Zubereitung portionierter Mengen an Lebensmitteln
US11051650B2 (en) 2015-09-18 2021-07-06 Starbucks Corporation Beverage dispensing systems and methods

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4207809A (en) * 1978-03-20 1980-06-17 Restaurant Technology, Inc. Dual reservoir coffee urn
EP0271771B1 (fr) * 1986-12-17 1991-07-17 Concordia Fluidtechnik GmbH Vanne pour eau chaude
FR2701373A1 (fr) * 1993-02-16 1994-08-19 Seb Sa Dispositif d'émulsion et de chauffage d'un fluide.
EP0727168B1 (fr) * 1995-02-17 1998-07-29 Eugster/Frismag AG Assemblage d'un tube de sortie de vapeur pour préparer des boissons
DE20102048U1 (de) * 2001-02-06 2002-01-10 Eugster/Frismag Ag, Romanshorn Sicherheitsvorrichtung eines Dampfschäumgeräts zur Herstellung eines geschäumten Getränks
DE20218746U1 (de) * 2002-11-18 2003-02-13 Lundar Electric Industrial Co., Ltd., Yung-Kang, Tainan Milchschäumvorrichtung für Kaffeemaschinen
EP1527721B1 (fr) * 2003-10-31 2006-12-27 RANCILIO MACCHINE PER CAFFE' S.p.A. Dispositif d'immersion pour chauffer un fluide

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4207809A (en) * 1978-03-20 1980-06-17 Restaurant Technology, Inc. Dual reservoir coffee urn
EP0271771B1 (fr) * 1986-12-17 1991-07-17 Concordia Fluidtechnik GmbH Vanne pour eau chaude
FR2701373A1 (fr) * 1993-02-16 1994-08-19 Seb Sa Dispositif d'émulsion et de chauffage d'un fluide.
EP0727168B1 (fr) * 1995-02-17 1998-07-29 Eugster/Frismag AG Assemblage d'un tube de sortie de vapeur pour préparer des boissons
DE20102048U1 (de) * 2001-02-06 2002-01-10 Eugster/Frismag Ag, Romanshorn Sicherheitsvorrichtung eines Dampfschäumgeräts zur Herstellung eines geschäumten Getränks
DE20218746U1 (de) * 2002-11-18 2003-02-13 Lundar Electric Industrial Co., Ltd., Yung-Kang, Tainan Milchschäumvorrichtung für Kaffeemaschinen
EP1527721B1 (fr) * 2003-10-31 2006-12-27 RANCILIO MACCHINE PER CAFFE' S.p.A. Dispositif d'immersion pour chauffer un fluide

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 200654, Derwent World Patents Index; Class P28, AN 2006-523367, XP008115330 *

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITTV20130166A1 (it) * 2013-10-16 2015-04-17 Hausbrandt Trieste 1892 Spa Dispositivo per la montatura del latte
WO2015056209A1 (fr) * 2013-10-16 2015-04-23 Hausbrandt Trieste 1892 Spa Dispositif pour faire mousser du lait
CN112438603A (zh) * 2015-07-01 2021-03-05 皇家戴维艾格伯茨有限公司 用于加热饮料并使饮料起泡的系统、装置及相关方法
AU2016286168B2 (en) * 2015-07-01 2021-07-01 Koninklijke Douwe Egberts B.V. A froth wand.
US11213161B2 (en) 2015-07-01 2022-01-04 Koninklijke Douwe Egberts B.V. System for heating and frothing a beverage, a device for heating and frothing a beverage suitable for being used in such a system, a froth wand suitable for being used in such a system and a method of preparing a beverage using such a system
WO2017003289A3 (fr) * 2015-07-01 2017-05-04 Koninklijke Douwe Egberts B.V. Système pour chauffer et faire mousser une boisson, dispositif pour chauffer et faire mousser une boisson approprié pour être utilisé dans un tel système, émulsionneur approprié pour être utilisé dans un tel système et procédé de préparation d'une boisson à l'aide d'un tel système
CN107708506A (zh) * 2015-07-01 2018-02-16 皇家戴维艾格伯茨有限公司 起泡棒
CN107735003A (zh) * 2015-07-01 2018-02-23 皇家戴维艾格伯茨有限公司 用于加热饮料并使饮料起泡的系统，适合于在此类系统中使用的用于加热饮料并使饮料起泡的装置，适合于在此类系统中使用的起泡棒，以及使用此类系统制备饮料的方法
NL2015070B1 (en) * 2015-07-01 2017-01-30 Douwe Egberts Bv A froth wand.
US10806294B2 (en) 2015-07-01 2020-10-20 Koninklijke Douwe Egberts B.V. Froth wand
RU2710414C2 (ru) * 2015-07-01 2019-12-26 Конинклейке Дауве Егбертс Б.В. Трубка для вспенивания
EP3673776A1 (fr) * 2015-07-01 2020-07-01 Koninklijke Douwe Egberts B.V. Système de chauffage et de moussage d'une boisson, dispositif de chauffage et de moussage d'une boisson approprié pour être utilisé dans un tel système, baguette de moussage appropriée pour être utilisée dans un tel système et procédé de préparation d'une boisson utilisant un tel système
NL2015068B1 (en) * 2015-07-01 2017-01-30 Douwe Egberts Bv A system for heating and frothing a beverage, a device for heating and frothing a beverage suitable for being used in such a system, a froth wand suitable for being used in such a system and a method of preparing a beverage using such a system.
CN107708506B (zh) * 2015-07-01 2021-04-16 皇家戴维艾格伯茨有限公司 起泡棒
RU2710770C2 (ru) * 2015-07-01 2020-01-13 Конинклейке Дауве Егбертс Б.В. Система нагрева и вспенивания напитка, устройство для нагрева и вспенивания напитка, пригодное для использования в такой системе, трубка для вспенивания, пригодная для использования в такой системе, и способ приготовления напитка с использованием такой системы
WO2017003290A1 (fr) * 2015-07-01 2017-01-05 Koninklijke Douwe Egberts B.V. Émulsionneur
EP3349630A4 (fr) * 2015-09-18 2019-07-10 Starbucks Corporation Systèmes et procédés de préparation de boissons
US12108906B2 (en) 2015-09-18 2024-10-08 Starbucks Corporation Beverage preparation systems and methods
US11051650B2 (en) 2015-09-18 2021-07-06 Starbucks Corporation Beverage dispensing systems and methods
US11089901B2 (en) 2015-09-18 2021-08-17 Starbucks Corporation Beverage dispensing systems and methods
US10531761B2 (en) 2015-09-18 2020-01-14 Starbucks Corporation Beverage preparation systems and methods
EP3656262A1 (fr) * 2015-09-18 2020-05-27 Starbucks Corporation Systèmes et procédés de préparation de boissons
WO2019186335A1 (fr) 2018-03-26 2019-10-03 Rancilio Group S.p.A. Procédé de commande d'une température de boisson dans un dispositif de chauffage et/ou de moussage d'une boisson
WO2020187373A1 (fr) * 2019-03-15 2020-09-24 Scraegg Gmbh Dispositif pour l'élaboration de préférence sans graisse de portions de produits alimentaires
DE102019203587A1 (de) * 2019-03-15 2020-09-17 Scraegg Gmbh Vorrichtung zur vorzugsweise fettfreien Zubereitung portionierter Mengen an Lebensmitteln

Also Published As

Publication number Publication date
AU2007308747A1 (en) 2008-05-02
EP2079349A1 (fr) 2009-07-22

Similar Documents

Publication Publication Date Title
EP2079349A1 (fr) Gaine protectrice
US5509549A (en) Baby bottle assembly
US4678092A (en) Disposable baby bottle
US5471706A (en) Means for cleaning of health care instruments
US5308406A (en) Cleaning of health care instruments
US20030131393A1 (en) Utensil for eliminating bare hand handling of sensitive material
US9975660B2 (en) Container and dispensing device
US5035800A (en) Flexible strainer with a releasable cord
KR20100121476A (ko) 링 요소 및 부속 덮개
US20180199744A1 (en) Device for taking a glove on and off, and a glove
KR101935986B1 (ko) 일회성 밀폐형 체액 보유 장치 및 간편하고 위생적인 채액 방법
EP2501321B1 (fr) Dispositif pour transporter des instruments médicaux
CA3166569A1 (fr) Appareil de nettoyage d'une grille et methode d'utilisation
US6701540B1 (en) Disposable plunger construction
WO2007026384A1 (fr) Récipient destiné à la cuisson d’aliments
WO2000071012A1 (fr) Outil de nettoyage et appareil de nettoyage comportant cet outil
SE412697B (sv) Anslutningsnippel for blodpasar eller liknande
US20080008802A1 (en) Squeezable colander
WO2007102044A1 (fr) Gants sanitaires
WO1999052442A1 (fr) Element de retenue pour recipient pour echantillon d'urine
US11950716B2 (en) Food holder
KR200496741Y1 (ko) 미끄럼 방지 패드구조가 개선된 착탈식 조리용기 손잡이
US20060065130A1 (en) Deep fat fryer and collar for such a fryer
US11992151B2 (en) Steam wand treating device
JP3041166U (ja) 残留物を濾過除去する網を着脱自在に取付け奥所の清掃が可能なやかん

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07815425

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

WWE Wipo information: entry into national phase

Ref document number: 2007308747

Country of ref document: AU

Ref document number: 2007815425

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2007308747

Country of ref document: AU

Date of ref document: 20071024

Kind code of ref document: A