HU0302453A2 - piercing - Google Patents

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Publication number
HU0302453A2
HU0302453A2 HU0302453A HU0302453A HU0302453A2 HU 0302453 A2 HU0302453 A2 HU 0302453A2 HU 0302453 A HU0302453 A HU 0302453A HU 0302453 A HU0302453 A HU 0302453A HU 0302453 A2 HU0302453 A2 HU 0302453A2
Authority
HU
Hungary
Prior art keywords
capsule
filter
filter chamber
head
filter head
Prior art date
Application number
HU0302453A
Other languages
Hungarian (hu)
Other versions
HU0302453A3 (en
Inventor
Petr Masek
Alfred Yoakim
Original Assignee
Société des Produits Nestlé S.A.
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 to EP20000125972 priority Critical patent/EP1208782B1/en
Application filed by Société des Produits Nestlé S.A. filed Critical Société des Produits Nestlé S.A.
Priority to PCT/EP2001/013544 priority patent/WO2002043541A1/en
Publication of HU0302453A2 publication Critical patent/HU0302453A2/en
Publication of HU0302453A3 publication Critical patent/HU0302453A3/en

Links

Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/24Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure
    • A47J31/34Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure
    • A47J31/36Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means
    • A47J31/3666Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means whereby the loading of the brewing chamber with the brewing material is performed by the user
    • A47J31/3676Cartridges being employed
    • A47J31/369Impermeable cartridges being employed
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/06Filters or strainers for coffee or tea makers ; Holders therefor
    • A47J31/0647Filters or strainers for coffee or tea makers ; Holders therefor with means to adjust the brewing chamber volume to accommodate different quantities of brewing material
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/06Filters or strainers for coffee or tea makers ; Holders therefor
    • A47J31/0657Filters or strainers for coffee or tea makers ; Holders therefor for brewing coffee under pressure, e.g. for espresso machines
    • A47J31/0668Filters or strainers for coffee or tea makers ; Holders therefor for brewing coffee under pressure, e.g. for espresso machines specially adapted for cartridges
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00Apparatus for making beverages
    • A47J31/44Parts or details or accessories of beverage-making apparatus
    • A47J31/4403Constructional details
    • A47J31/446Filter holding means; Attachment of filters to beverage-making apparatus
    • A47J31/4467Filter holding means; Attachment of filters to beverage-making apparatus by means of linear guides, e.g. drawer-type engagement

Abstract

SUMMARY OF THE INVENTION The present invention relates to a filtering device in which a filter chamber (14) is displaced in a vertical plane when a single regulating device (6) is operated to receive a capsule of the product to be boiled. It is an object of the present invention to provide a filter head (17) mounted slidably in the interior of the filter chamber (14) and having a stopper for locking the filter head (17) in the filter chamber (14) in a final position corresponding to the size of the capsule used. The invention further relates to the production of hot drinks packaged in a capsule of the machine, which is described in claims 1-3. A filtering device according to any one of claims 1 to 4, and a pull-out device comprising at least two pull tabs mounted on vertical columns operated at different levels by the regulating device (6). HE

Description

EXTRACT

SUMMARY OF THE INVENTION The present invention relates to a filtration device in which a filter chamber (14) is displaced in a vertical plane when a control means (6) is operated to receive a capsule of the article to be scalded.

It is an object of the present invention to provide a filter head (17) mounted axially slidably within the filter chamber (14) and to have a stopper for locking the filter head (17) in the filter chamber (14) to the size of the capsule used. in the final position.

The invention further relates to the production of hot drinks packaged in a capsule of the machine, which is described in claims 1-3. A filtering device according to claims 1 to 5, and a pull-out device comprising at least two pull tabs disposed on different levels at vertical columns operated by the control means (6).

(Figure 1)

* · »· · ·>>« · · · · · «« «« «« ««

98.949-3077A KH

SURFACE STRUCTURE

The present invention relates to a filtering device suitable for use in a machine for the production of hot drinks, such as coffee, in particular a filtering device suitable for espresso machines, which are used as coffee capsules or portions of other material in capsule form.

The invention also relates to the capsule used in the filtration structure.

Typically, this type of coffee machine comprises a cap capable of receiving a capsule containing a portion of the beverage to be scalded. The cap is then transferred manually or automatically to a filter head containing a drilled needle and allows injection of water and / or steam into the capsule.

One disadvantage of existing machines is that the concentration of the beverage to be prepared cannot be controlled, since each capsule contains the same portion of the product to be injected. The only parameter that the user can change is the amount of water to be injected into the capsule.

Thus, if the user requests a concentrated beverage in a high capacity cap, he should use two capsules one after the other to achieve the desired concentration.

The object of the present invention is to solve this problem by providing a filtering device with capsules of different capacities and sizes without the need for the user to perform specific operations depending on the type of capsule used.

For this purpose, capsules are generally used which are made of aluminum and whose capacity can be varied in accordance with the desired concentration of beverage and the filtering device used in the machine, »which filtering device is designed to move in the vertical plane when the control means actuated to receive the capsule of the product to be injected and having in essence a filter head mounted axially slidably inside the filter chamber and having a stopper for locking the filter head in the filter chamber in a final position corresponding to the size of the capsule used.

Preferably, the stop device comprises a rod penetrating into the filter chamber against the action of an elastic member, and that the rod is operated by a single piece cam when the filter chamber reaches its operating position.

Preferably, the outer surface of the filter head has at least two annular ribs cooperating with the rod to determine the working position of the filter head in accordance with the capsule used.

The invention further relates to a machine comprising a filtering device according to the invention.

The machine preferably comprises a pull-out means comprising at least two pull tabs disposed at different levels on the vertical columns operated by the control means.

The invention further relates to a capsule for use in the structure according to the invention, which has a filtering means for cooperating with the head to provide fluid tightness during injection of water and / or steam.

The capsule filtering device cooperating with the capsule preferably comprises a shoulder positioned approximately one-third of the bottom of the capsule and having a diameter corresponding to the widest diameter of the groove on the filter head.

The invention will be described in more detail with reference to the drawings, which are exemplary of the present invention. is shown.

Figure 1 is a coffee machine with a filtering device according to the invention

Figure 3 is a schematic representation of the body when the coffee machine is in the position of inserting the coffee capsule.

Fig. 2 is a view similar to Fig. 1, the coffee portion in the capsule being in a working position ready to be boiled.

Fig. 3 is a cross-sectional view taken along the line A of the filtering device of Fig. 1 when the structure is in a rest position.

Fig. 4 is a cross-sectional view similar to Fig. 3 in an intermediate position when a small capsule is inserted into the filtering device.

Figure 5 is a view similar to Figure 4 when the filtering device is at the end of its displacement and is ready for use.

Figure 6 is a cross-sectional view similar to Figure 4 when a large capsule is inserted into the structure.

Figure 7 is a cross-sectional view similar to Figure 5 when a large capsule is inserted into the filter chamber.

Figure 8 is a side view of a first embodiment of a capsule containing two portions of coffee.

Figure 9 is a side view of a second embodiment of a capsule containing two portions of coffee.

Figures 10 and 11 show two versions of the capsules shown in Figures 8 and 9, but which are suitable for receiving a single dose of coffee.

Figure 1 shows that the frame 1 of the machine for making hot drinks has a base 2 adapted to receive a container not shown in the drawing, which receives the scalded beverage. The upper part of the frame 1 comprises a mechanism that allows the capsule 3 containing the dose of articles to be scalded to be placed on the filter end piece 5. This mechanism is actuated by a control handle 6 that rotates in the frame 1 around a shaft 7. The control handle 6 is configured in a cross shape having a straight section followed by a curved section. The control handle 6 with two bars 8 for the cap 3 · · «, .- 9.

-4 ·· · · · 8 γο "η""., Is connected by means of shafts 9, which can slide freely in the slots 10 formed in the side of one frame.

During the movement of the handle of the controller 6, the cap 3, which carries the capsule 4, is gradually placed under the end piece of the filter 5. At the end of the passage shown in FIG. 2, the capsule 4 fits into the filter chamber 14, which will be described later, and the cap 3 will be fluidly sealed to the filter end 5.

The curved end of the handle 6 of the controller 6 is also connected to the two rods 12 by axes 11, which are connected to the upper part of the filter chamber 14 by means of the shafts 13. The filter chamber 14 has a cylindrical cross-section and is made up of a single piece of support 15 having a rectangular cross section.

The four corners of the holding portion 15 are pierced with holes so that the filter chamber 14 can slid vertically by means of the 16 axes of one frame with one frame. In this way, the filter chamber 14 moves in the vertical plane when the control handle 6 is actuated because the support 15 is driven by the control handle 6 via the rods 12 and the shafts 13.

Thus, by means of this dual kinematic connection, the control handle 6, when moving in the direction of the arrow, gradually moves the cap 3 under the filtering end piece while lowering the filter chamber 14 by receiving the 4 capsules containing the product to be scalded. The end of the displacement, as shown in Figure 2, depicts the structure in a working position ready to scald the beverage. In this position, the capsule 4 is located inside the filtration chamber 14 and the cap 3 is held on the filter end piece 5 in a fluid-tight manner.

Other mechanical means can be used that allow the cap 3 to move from the filling position to the operating position within the filter chamber 14, which has moved from a position above to a lower operating position in the vertical plane.

There are two pull tabs at the back of the cap 3, which are at the end of the columns-5.

placed. During the opening of the mechanism, which occurs through the movement of the control handle 6 with the arrow, the pulling tabs come close to the circumference of the filter chamber 14 containing the capsule, thus allowing the bottom of the capsule 4 to be compressed and placed in the rear of the frame 1 into the tank. When a cartridge having dimensions corresponding to the dimensions of the filter head 17 is used, the top pull tabs allow the capsule to be pulled out. When larger capsules are used, i.e. capsules having a size larger than the filtration chamber 14, the lower extrusion tabs cooperate with the rim forming the bottom of the capsule to be withdrawn from the filter chamber 14.

The filter chamber 14 includes a filtering head 17 (see Figs. 3-7) mounted to slide inside the cylindrical filter chamber 14. The filtering head 17 comprises a hollow cylindrical rod 18, whose upper end slides freely in the bore formed in the retaining portion 15 of the filter chamber 14. The diameter of the lower part of the filtering head 17 is substantially equal to the filter chamber 14 and has a groove 19 which is bell-shaped and has the dimensions of capsules containing the product to be scalded. In the center of the groove 19 is a non-illustrated needle, the downwardly directed tip of which allows the upper part of the capsule 4 to be pierced to inject water and / or steam through the inlet tube formed in the rod 18. The displacement of the filtering head 17 is axially delimited by an end piece 20 which is made of one piece with the rod 18 and protrudes from the holding portion 15. Water or steam is added by means of a water inlet pipe which is disposed on the end piece 20.

A stop device that restricts the axial movement of the filter head 17 is incorporated into the holding portion 15 of the filter chamber 14. This stop device consists of a rod 21 which slides horizontally in a tube against the operation of a rod 22 which extends into a groove in the holding portion 15 of the filter head 17. The rod 21 terminates in the head 23, which, in spite of the spring 22, is 1 · ·

with a frame, one piece 24 cam is pressed. In the lower section of the cam 24 there is a protruding part which comes into contact with the head of the stop device 23 when the control chamber 14 is moved to the lower position due to the operation of the handle 6.

Thus, during the vertical displacement of the filter chamber 14, the rod 21 of the stop device penetrates into the holding portion 15 of the filter chamber 14 as soon as the head 23 contacts the protruding portion of the cam 24.

The role of the stop device is to lock the filtering head 17 in a final position when the filter chamber 14 is in operative position at the end of the path of the control handle 6. For this purpose, the filter 17 has a longitudinal groove which is interrupted by two annular ribs 25, 26 which co-operate with the end of the rod 21, in accordance with the position of the filter head 17 inside the filter chamber 14.

The operation of the filter is described in the following section 4-7. FIGS.

Figures 4 and 5 show the filtering device in two different positions when filled with a standard size capsule as shown in Figures 10 and 11. The dimensions of the capsules shown in these figures are such that they correspond to the size of the bell-shaped groove 19 of the filter head 17 and are generally designed to contain a single portion of the product to be scalded. 6 and 7 are similar to FIGS. 4 and 5 when the structure is filled with the capsule shown in FIGS. 8 and 9. The capsules shown in Figures 8 and 9 show two embodiments that can contain a double dose of the product to be scalded. It can be observed that these capsules have a shape having a diameter greater than that of the capsules shown in Figures 10 and 11 and, moreover, have a shoulder at about one-third of their height. The diameter of the shoulder is substantially the same as the diameter of the base of the capsules shown in Figures 10 and 11.

Figure 4 shows the filtering device in a position that is

-7 is almost as shown in Figure 2, i.e. practically at the end of the movement of the control handle 6 when a standard size 4 capsule is inserted into the cap. The filter head 17 is in the lower position and the dimensions of the capsule 4 correspond to the dimensions of the groove 19. No force is exerted on the filter head 17 and consequently does not move upwards. When the control handle 6 reaches the end of its displacement as shown in FIG. 5, the protruding portion 24 of the cam 24 presses the head 23 and forces the rod 21 inside the upper portion 15 of the filter chamber 14. In this position, the rod 21 is positioned above the upper rib 26 of the filter head 17 to lock the filtering head 17 in the lower position against the cap 3 by allowing the capsule to be pierced and water and / or steam injected into the capsule. . Figures 6 and 7 show a similar view as in Figures 4 and 5, when a double-capacity capsule 4, as shown in Figures 8 and 9, is inserted into the cap. By its size, the capsule 4 contacts the end of the groove 19 and pushes the filtering head 17 upward. The axial displacement of the filtering head 17 is possible because the latter slides freely in the filter chamber 14, since the rod 21 has not yet entered the filter chamber 14.

At the end of the displacement, as shown in Figure 7, the filter head 17 occupies the upper position in the filter chamber 14, and the rod 21 contacts the lower rib 25 of the filter head 17, thereby stopping all movement of the filtering head 17 upward. . In this situation, the filter head 17 relies on the shoulder of the capsule and provides the required fluid tightness during injection of water or steam.

Due to the fact that the filter head 17 is capable of sliding freely inside the filter chamber 14, its position varies with the chamber, depending on whether a standard size cartridge or a double-sized cartridge is inserted into the cap. The locking device, which is actuated by the cam 24 at the end of the displacement, cooperates with one or the other ribs 25, 26 to lock the filtering head 17 in the filter chamber 14 in the final position in accordance with its applied capsule 14 to allow water or steam injection.

This filtering device thus allows the use of at least two different types of capsules of different capacities and volumes, without the operator having to perform special operations depending on the type of capsule inserted into the cap. Alternatively, it is possible to form more than two ribs on the filter head 17, which cooperate with the rod 21 of the stop device to insert intermediate capsules. Alternatively, the annular ribs 25, 26 are substitutes with simple stop pieces.

Structural changes may also be made in the case of a stop device which limits the displacement of the filter head within the filter chamber without departing from the scope of the invention.

• · ·

Claims (7)

  1. Claims:
    A filtering device in which a filter chamber (14) is displaced in a vertical plane when a control means (6) is actuated to receive a capsule of the article to be scalded, comprising a filter head (17); which is axially slidable within the filter chamber (14) and has a stop device for locking the filter head (17) in the filter chamber (14) in a final position corresponding to the size of the capsule used.
  2. Device according to claim 1, characterized in that the stop device (21) acts against the bar (21) penetrating the filter chamber (14) against the action of a resilient element (22) and that the rod (21) is a single piece of the frame ( 24) when the filter chamber (14) reaches its operating position.
  3. Device according to claim 1 or 2, characterized in that at least two annular ribs (25, 26) cooperating with the bar (21) on the outer surface of the filter head (17) are provided for the filter head (17) its working position is determined according to the capsule used.
  4. 4. Machine for preparing hot drinks packaged in capsules, characterized in that the process according to any one of claims 1-3 is as follows. A filtering device according to claims 1 to 5.
  5. Machine according to Claim 4, characterized in that it comprises a pull-out means comprising at least two pull tabs disposed on different levels at vertical columns operated by the control means (6).
  6. 6. Capsules 1-3. The filtering device for use according to claim 1, characterized in that the filter head (17) has a cooperating means for providing fluid tightness during injection of water and / or steam.
  7. Capsule according to claim 6, characterized in that the means for interacting with the filter head (17) consists of a shoulder positioned approximately one third of the bottom of the capsule and having a diameter on the groove (19) of the filter head (17). ) corresponds to its widest diameter.
    The proxy:
    DANUBIA
    Patent and Trademark Office Kit.
    cousin Henrietté abadajíni attorney
    List of reference numbers frame base cap capsule filter end piece regulator handle shaft rod shaft slit shaft rod shaft filter chamber retaining filter head rod groove end piece rod elastic element head cam rib rib * *
    FIG. 1
    YQZOnSZ
    FIG. 1
    3/4
    FIG. FIG. 6 * · · ·
    4/4
    FIG. 7c
    FIG. 8
    FIG. 10
    FIG. 11
HU0302453A 2000-11-28 2001-11-20 Percolating device HU0302453A3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP20000125972 EP1208782B1 (en) 2000-11-28 2000-11-28 Percolation device
PCT/EP2001/013544 WO2002043541A1 (en) 2000-11-28 2001-11-20 Percolating device

Publications (2)

Publication Number Publication Date
HU0302453A2 true HU0302453A2 (en) 2003-11-28
HU0302453A3 HU0302453A3 (en) 2005-11-28

Family

ID=8170504

Family Applications (1)

Application Number Title Priority Date Filing Date
HU0302453A HU0302453A3 (en) 2000-11-28 2001-11-20 Percolating device

Country Status (26)

Country Link
US (2) US7216582B2 (en)
EP (1) EP1208782B1 (en)
JP (1) JP3899314B2 (en)
CN (1) CN1215810C (en)
AR (1) AR032484A1 (en)
AT (1) AT274321T (en)
AU (2) AU3163602A (en)
BR (1) BR0115620B1 (en)
CA (1) CA2429631C (en)
CZ (1) CZ20031827A3 (en)
DE (1) DE60013305T2 (en)
DK (1) DK1208782T3 (en)
EA (1) EA004408B1 (en)
ES (1) ES2224998T3 (en)
HU (1) HU0302453A3 (en)
IL (2) IL156036D0 (en)
MA (1) MA25860A1 (en)
MX (1) MXPA03004710A (en)
NO (1) NO324022B1 (en)
PL (1) PL196424B1 (en)
PT (1) PT1208782E (en)
SI (1) SI21168A (en)
SK (1) SK6462003A3 (en)
TR (2) TR200402491T4 (en)
TW (1) TW576724B (en)
WO (1) WO2002043541A1 (en)

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