CN105705439B

CN105705439B - The cylinder of extracting beverage

Info

Publication number: CN105705439B
Application number: CN201480029753.3A
Authority: CN
Inventors: C·波兹科; B·德拉皮厄特拉; G·库图里
Original assignee: Illycaffe SpA
Current assignee: Illycaffe SpA
Priority date: 2013-06-03
Filing date: 2014-06-03
Publication date: 2018-03-09
Anticipated expiration: 2034-06-03
Also published as: JP2016524501A; ITMI20130906A1; CA2910316A1; EP3003911A1; CN105705439A; BR112015029096A2; KR20160014637A; WO2014195307A1; US20160101929A1

Abstract

A kind of cylinder (1) being used for by injecting fluid extraction beverage under stress, it is used to accommodate material including one and receives the vessel (2) of fluid under the pressure, the vessel (2) includes a bottom wall (4) with least one weakened segment (5), weakened segment can be destroyed so as to produce the opening for flowing out beverage under Fluid pressure effect, in addition to the vessel (2), cylinder further comprises an abutting part (8), the abutting part is in face of the bottom wall (4) but does not contact, to limit due to the deformation of the bottom wall (4) caused by Fluid pressure effect, and therefore limit the level of breakage of at least one weakened segment (5).

Description

The cylinder of extracting beverage

Technical field

The present invention relates to a kind of cylinder being used for by injecting fluid extraction beverage under stress.

Background technology

It is currently known polytype cylinder to be used to obtain beverage, such as espresso or the like, cylinder inner space, which accommodates, to be used In the material of extraction, such as the baking coffee pulverized, the inner space of cylinder can form excellent aeroseal.This be by using A single body of material is accommodated come what is realized, it has cup-shaped and upper area is sealed by film or lid, and upper area It can be perforated so as to inject fluid, typically water under stress.

Common solution is that have weakened segment in cup-shaped body bottom, and it can be in the Fluid pressure effect in injecting tube It is lower destroyed.In fact, due to the increase of cylinder internal pressure, bottom wall can deform, and expand outwardly and therefore produced in weakened segment broken It is bad.

The shortcomings that prior art is, in order to which the bottom wall flowed out from beverage separates the material to be extracted, can only to use by moulding Rigid filter made of material uses filter, such as the filtering being made of paper without other selection, because if substituting Device, supatex fabric or other flexible materials, then tear area by can not be paved with bottom wall with the destruction filter of cylinder bottom wall Domain.

Also need to use further amounts of plastics using rigid filter, and produce problem in the mill, these question essences It is upper related to by the cup shaped body of such rigid filter insertion tube.

The content of the invention

The target of the application, which is just to provide one kind, to be changed in above one or more aspects to prior art The cylinder for extracting beverage entered.

For this purpose, the target of the application be just to provide it is a kind of by injecting fluid under stress come extracting beverage Cylinder, including the bottom that only can be just destroyed under the effect of cylinder internal pressure, and the energy of rupture of the cylinder bottom for flowing out beverage Controlled and limited.

Another target of the application be to provide it is a kind of by injecting fluid under stress come the cylinder of extracting beverage, in order to produce The bottom that draught beverages flow out therefrom is destroyed, and is avoided using and is not belonging to the outer member of a cylinder part, such as is arranged on cylinder and puts The perforating press or counter-pressure element on extraction chamber put.

Another target of the application be to provide it is a kind of by injecting fluid under stress come the cylinder of extracting beverage, due to broken The controllability split, it can allow for using filter, such as paper filter or the like if desired.

Another target of the application is to provide a kind of by injecting fluid under stress come the cylinder of extracting beverage, and it is very Reliably, easily realize and cost is very low.

These targets and other targets can be by following a kind of for by injecting fluid extraction beverage under stress Cylinder realizes, including one be used to accommodating material and under the pressure reception fluid vessel, the vessel bag The bottom wall with least one weakened segment is included, the weakened segment can be destroyed under Fluid pressure effect to be used for so as to produce Flow out the opening of beverage, it is characterised in that in addition to the vessel, cylinder further comprises abutting part, and the abutting part faces The bottom wall but do not contact, so as to limit acted on due to Fluid pressure caused by the bottom wall deformation, and therefore limit Make the level of breakage of at least one weakened segment.

Brief description of the drawings

Further aspect of the present invention and advantage can be from the implementations of preferable but nonexcludability the cylinder according to the present invention Example preferably shows that it is illustrated in a manner of non-limiting example with reference to the accompanying drawings, wherein：

Fig. 1 is the side view of cylinder according to an embodiment of the invention；

Fig. 2 is the axial cross-sectional view that cylinder takes along II-II lines in Fig. 1；

Fig. 3 is the stereogram for accommodating the body of material to be extracted, and the body is used in the cylinder shown in Fig. 1；

Fig. 4 is the stereogram for the pillar support member for being used for limiting rupture for the cylinder described in Fig. 1.

Fig. 5 is the view of support member seen from above shown in Fig. 4；

Fig. 6 is the cross-sectional view that support member takes along line VI -- VI in Fig. 5；

Fig. 7 is the plan that cylinder in accordance with another embodiment of the present invention is seen above bottom wall；

Fig. 8 is the detailed view of bottom wall central area in Fig. 7.

Embodiment

Refer to the attached drawing, represent that the cylinder includes a vessel 2, container according to the cylinder reference 1 of applying greatly of the present invention Body suitably accommodates the material (not shown) of therefrom extracting beverage, and suitably receives fluid, particularly water under stress.

In a preferred embodiment of the invention, material can be the baking coffee pulverized, and the water under pressure can be hot water, example Such as about 90-99 DEG C of temperature, about 9-12 bars of pressure, so manufactured beverage is espresso.

Alternatively, the material in cylinder can be instant coffee, or any powdered Edible material, raw or lyophilized , or concentrate can be included.

Vessel 2 for example can use molding process, such as injection and/or compression, or thermoforming by polymeric material Or be crushed to, vessel is cup-shaped or beaker shape, and covered 3 sealing of its upper area, lid 3 can be perforated, this Sample allows fluid to inject under stress.In the embodiment shown, lid 3 is also with molding (for example, injection and/or compression), thermoforming Or extrusion is made, and the lid of the cylinder described by the B1 European patents of EP 2049416 can be corresponded to, this application passes through ginseng herein Examine as part of the whole.

Alternatively, lid 3 can also be made up in known manner of impermeable film.

Vessel 2 has the bottom wall 4 containing at least one weakened segment 5, weakened segment can be in injecting tube preferably without opening It is destroyed under the influence of 1 Fluid pressure, so flowing out the wall 4 for beverage provides an opening.

Weakened segment can obtain by known methods, in one or more linearity regions of bottom wall along in manufacture container Predetermined line weakens its thickness during body 2.

Bottom wall 4 has the prominents lug boss 6 in multiple inside to cylinder 1, preferably with the size of space so that will can extract simultaneously The beverage taken is conveyed towards the opening formed due to the rupture of weakened segment 5 with channel web form, and has wider surface energy Enough support filter, preferably a sheet of filter 7, such as filter paper, polyethylene coating paper, non-woven pieces of cloth or other form membranes The solid particle that can filter out the material included in cylinder 1 material.

Lug boss 6 can obtain during vessel 2 is moulded, and can be concentric arcuation rib, it is arranged to limit Concentric channels and radial channel, such as mean depth and width about 1mm.

Weakened segment 5 can extend along at least one edge of the bottom of at least one lug boss 6, such as hard convex along center Play two edge 62a and 62b generally longitudinally of the bottom of portion 61, circular central region of the hard lug boss in center in bottom wall 4 40 diametrically extend.

Weakened segment 5 can also extend along the diameter line 51 in region 40, lateral cross in the direction of central boss 61, so as to Cross point 53 is formed between the diametrically weakened segment of line 51 and the weakened segment 52 along the side 62a and 62b of central boss 61.This Sample, the diameter of central boss 61 and the direction of line 51 are preferably substantially vertical, have rib 63 so as to limit four and initially break The scallop of knick point 53.

As shown in FIG. 7 and 8, in another embodiment of the present invention, the bottom wall 401 of vessel 2 is also the same as first reality Apply that example is identical to have multiple protruding portion 600, i.e. they are prominent into cylinder, and there is the size of space to make it possible to the drink of extraction simultaneously Material is conveyed towards the opening formed due to the rupture of weakened segment 5 with channel web form, and can support to filter with wider surface Device, preferably a sheet of filter 7, such as filter paper, polyethylene coating paper, non-woven pieces of cloth or other form membranes can filter The material of the solid particle of the material included in cylinder.

However, weakened segment 5 herein is formed in the circular central region 400 of bottom wall 401 by weakened line 501 and 502, In fig. 8, weakened line defines the paired counterpart of spiral form or fingers 503.What is limited by such part 503 In region, also there is protuberance 601 on border circular areas 400, it has the thickness substantially the same with protuberance 600.

In all two embodiments, in the outside of vessel 2, include one towards bottom wall according to the cylinder 1 of the present invention 4th, the abutting part 8 of 401 outside, in inactive state, i.e., before extracting beverage, it will not be contacted.

Abutting part 8 is arranged in the circumferential support 80 on the bottom wall 4,401 for being fixed on vessel 2, preferably support member 80 are separately fixed to bottom wall, for example, by the side 82 of support member 80 and between the outstanding circumferential rib 41 of bottom wall 4 Mechanical interference is mutually fixed.

More particularly, abutting part 8 since its support member 80 laterally toward on bottom wall 4,401 have weakened segment 5 region 40th, 400 extension.In the embodiment shown in Fig. 1-6, preferably abutting part 8 extends to central boss 61.The setting mesh of pillar 8 Be in order to limit bottom wall 4,401 with being deformed caused by being ruptured under Fluid pressure of the weakened segment 5 in injecting tube, so as to limit The level of breakage of weakened segment 5 processed.

In the case of the Fluid pressure not entered into, abutting part 8 does not contact with bottom wall 4,401, but with bottom wall 4,401 Outer surface at a distance of D.Therefore, abutting part 8 is not intended to produce the rupture of weakened segment 5 of the bottom wall 4,401 of cylinder.On the contrary, rupture Only due to during extracting beverage caused by the internal pressure of cylinder 1.Abutting part 8 defines that limitation impairs portion 5 is further The mechanical shock limiter torn, the possibility outlet of such filter 7 are flowed out by the tear-off opening limited for beverage.Pass through Control level of breakage by this way, can with so that control the amount of beverage flowed out from cylinder 1.

Abutting part 8 is preferably provided on the fluid flow barriers thing 9 for the support member 80 for being fixed on vessel 2, such Barrier is in face of the caused opening for beverage outflow by the rupture of weakened segment 5, so as to slow down and/or control the beverage of extraction Flowing and prevent bespatter, therefore directly can distribute beverage to cup or beaker.Hinder the barrier 9 of flow of fluid can also The quality of facilitated extraction beverage.

Barrier 9 can be the power basin that disappears, such as be arranged to lancet as depicted, appropriate cause beverage to limit The outer surface of flow rule.Such basin has the edge 91 of the bottom wall 4,401 by vessel 2, also with one or more Individual outlet or notch 92 are to overflow the beverage collected in basin.

In this case, pillar 8 has at least one bottom wall 4,401 from vessel 2 of the power basin 9 towards cylinder 1 that disappear The element 81 that outer surface protrudes, such as sell, more specifically, the central lug with direction in the embodiment shown in Fig. 1-6 The element that 61 outer surface protrudes.

Around power basin 9 and the corresponding edge 91 of disappearing, support member 80 includes annular wall 93, the annular wall it is concentric with edge 91 and Suitable for isolating the inner annular region of the support member 80 around edge 91, inner annular region has at least one be used for from support The passage 95 of beverage is flowed out in the outer annular regions of part 80, and outer annular regions have radial support wall 94.

As the alternative form of filter 7, may be selected to use rigid filter (not shown), it includes flat Body, the flat body have the circumferential edges of the thickening around border circular areas, and have multiple filtering through holes on border circular areas, its Be sized to stop fixed particle by and allow brewing water or beverage to pass through.Margo can be located in figure bottom wall 4, On 400 in the circumferential step of all protuberances 6,600.Appropriate rigid filter can be in the A2 Europe of EP 1982933 Rigid filter described in patent, the patent is herein by reference to as part of the whole.

One or more parts of cylinder 1 are made up of thermoplastic polymer, by traditional raw material (such as oil) or the renewable sources of energy (such as alcoholic fermentation) synthesizes, such as polypropylene, polystyrene, polyamide, vinyl alcohol resin (such as EVOH), polyethylene or poly- Ethylene glycol terephthalate (PET).Any one of these materials may be used to the either component of cylinder 1, including lid 3, Rigid filter (not shown), vessel 2 and support member 80.If filter 7 does not use rigid filter, filter Device 7 can be the non-textile fabric made of any of these materials.Two kinds in one or more parts of cylinder 1 or A variety of above-mentioned thermoplastic polymers also be combined with each other in a manufacturing process, such as thermoforming or injection molding technique.For example, cylinder 1 One or more parts can be two or more above-mentioned thermoplastic polymers laminates.

Cylinder 1 one or more parts can be made up of biodegradation material, including Biodegradable polyester (such as polyactide or PLA), starch-base biodegradation material, microorganism metallurgy, biodegradable vinyl alcohol resin (such as PVOH), biological based thermoplastic Plastics or polyhydroxyalkanoate (PHAs).Any of these biodegradation materials may be used to manufacture lid 3, filter 7th, any one in rigid filter (not shown), vessel 2 and support member 80.In one or more parts of cylinder 1 In these two or more biodegradation materials can also be combined with each other.For example, one or more parts of cylinder 1 can be two The laminates of individual or multiple above-mentioned biodegradation materials.

The mode of operation of the cylinder according to the present invention can be will be apparent that from description above.With particular reference to shown in Fig. 1-6 Embodiment, in an inactive state, the abutting part 8 of support member 80 and the distance of the outer surface of the bottom wall 4 of the vessel 2 of cylinder 1 For D.

When cylinder inserts the machine of traditional extracting beverage, lid 3 is punched machine perforation with injecting fluid under stress Nozzle is adapted, and fluid is combined with the material in cylinder 1 to manufacture beverage.

If there is opening, then need not just be perforated on lid 3.

Then, the fluid injecting tube 1 under pressure and wherein with vessel 2 in material mixing.This operation adds Pressure in cylinder 1, therefore bottom wall 4 can be deformed outwards.

Due to the deformation, weakened segment 5 starts to rupture, particularly since cross point 53, and along since point 53 The initial part of weakened line 51 and 52.

With deformation, central boss 61 is torn area and left also with the central area 40 of bottom wall 4.However, logical Cross after distance D, the impact to central boss 61 is prevented by the abutting part 8 of pin 81, so as to limit initially by the He of weakened line 51 52 alar parts of tearing limited further open.

Meanwhile beverage can flow out from these places of tearing, and be slowed down by basin 9, along basin rise until opening 92, and finally from Outflow tube in the passage 95 on support member 80 is arranged on, passage is co-axially around basin 9 and skims over the outer surface of basin 9, and it is convenient Ground is arranged to lancet form.

It is similar in the operation of the embodiment shown in Fig. 7-8.Especially, weakened segment starts brokenly under the effect of cylinder internal pressure Split, and keep in online 501 and 502 at least one internal 501a and 502a, opposite corresponding of the end facet of counterpart 503 Inside.However, be initially weakened the restriction of line 501 and 502 tear the further opening of alar part by the center in region 400 with The contact of abutting part 8 prevents.

In practice, it is found that set objective is completed according to the cylinder of the present invention so that it can be controlled and limited for flowing out drink The rupture of the cylinder bottom of material.Just because of this so that filter, such as filter paper, polyethylene coating paper or the like can be used, Although bottom can be destroyed only under cylinder internal pressure.

The rupture for flowing out the bottom of beverage therefrom is avoided using a part of outer member of not cylinder, such as is placed in cylinder and is put The perforating press or counter-pressure element on extraction cell put, and the mode using the abutting part for forming a cylinder part is taken, and make Can control and limit can destroyed area tear.

Although being specially designed to the extracting espresso coffee from the baking coffee pulverized according to the cylinder of the present invention, generally also may be used For using the fluid extraction beverage under pressure from food ingredient.

Cylinder can be variously changed and deform, it is all these be within the scope of the appended claims in.It is in addition, all Details may all be substituted by technical IF-AND-ONLY-IF element.

Especially, the material of use and size can as needed and prior art and it is optional.

This application claims the priority of No.MI2013A000906 Italian applications, and its content is by reference to as entirety A part.

The technical characteristic mentioned in each claim has reference, and the sole purpose that these references are quoted is In order to more fully understand claim, therefore, these references are to the explanation for the element distinguished by taking reference as an example There is no any restrictions effect.

Claims

1. a kind of cylinder (1) being used for by injecting fluid extraction beverage under stress, the cylinder (1) includes being used to accommodate material simultaneously The vessel (2) of the fluid is received under stress, and the vessel (2) is included with least one weakened segment (5) Bottom wall (4), the weakened segment can be destroyed in the presence of the pressure of the fluid to be used to flow out beverage so as to produce Opening, it is characterised in that in addition to the vessel (2), the cylinder further comprises an abutting part (8), is not having In the case of producing pressure by the fluid entered, the abutting part is in face of the bottom wall (4) but is not contacted with the bottom wall, so as to Only because pressure is acted on and produced, the abutting part, which is not used in, produces the weakened segment (5) for the rupture of the weakened segment (5) The rupture, the abutting part are suitable to deformation of the limitation due to the bottom wall (4) caused by the pressure effect of the fluid, And the level of breakage of at least one weakened segment (5) is therefore limited, the abutting part (8), which is arranged on, is fixed on the cylinder In the circumferential support (80) of the vessel (2).

2. cylinder according to claim 1, it is characterised in that the abutting part (8) has at least on the bottom wall (4) The region of one weakened segment (5).

3. cylinder as claimed in claim 2, it is characterised in that the region with least one weakened segment (5) is the bottom wall (4) Central area (40).

4. cylinder according to claim 1, it is characterised in that the abutting part (8) is arranged on barrier (9), the barrier Thing is hindered to be fixed on the vessel (2) and the opening in face of being used to flow out beverage, so as to slow down and/or control its stream Amount.

5. cylinder according to claim 4, it is characterised in that the barrier (9) is the power basin that disappears.

6. cylinder according to claim 5, it is characterised in that the power of the disappearing basin includes the portion's edge for relying on the bottom wall (4) (91), and the edge (91) set at least one outlet (92), for the beverage collected in the power of the disappearing basin to be flowed out.

7. cylinder according to claim 5, it is characterised in that the abutting part (8) includes at least one from the power of the disappearing basin The bottom element (81) prominent to the bottom wall (4) of the vessel (2) of the cylinder (1).

8. cylinder as claimed in claim 6, it is characterised in that the abutting part (8) includes at least one from the power of the disappearing basin The bottom element (81) prominent to the bottom wall (4) of the vessel (2) of the cylinder (1).

9. cylinder according to claim 1, it is characterised in that the abutting part (8) forms one with the support member (80), The support member is separately fixed to the vessel (2).

10. cylinder according to claim 1, it is characterised in that the bottom wall (4) includes the multiple projections prominent to cylinder inside Portion (6), filter (7) is between the material and the multiple lug boss (6), wherein at least one weakened segment (5) shadow Ring positioned at least one edge (62a, 62b) of the bottom of at least one (61) of the lug boss (6).

11. cylinder according to claim 1, it is characterised in that at least one weakened segment (5) edge is located at the bottom wall (4) diameter line (51) extension in approximate centre region (40).

12. cylinder according to claim 10, it is characterised in that at least one weakened segment (5) edge is located at the bottom wall (4) diameter line (51) extension in approximate centre region (40), at least one lug boss (61) of the lug boss (6) exist The central area (40) of the bottom wall (4) is diametrically to extension, and transverse to the diameter line (51).

13. according to the cylinder described in one in claim 1-9, it is characterised in that the weakened segment (5) has the bottom wall (401) circular central area (400), and including suitable for being defined as to the part of spiral form or fingers (503) Weakened line (501,502).

14. cylinder according to claim 1, it is characterised in that its one or more parts are made up of following material：

- thermoplastic polymer；

- or the combination of two or more thermoplastic polymers that is combined together, thermoplastic polymer combine and selected from the following group Select, described group includes polypropylene, polystyrene, polyamide, vinyl alcohol resin, polyethylene or polyethylene terephthalate.

15. cylinder according to claim 14, it is characterised in that the thermoplastic polymer is polypropylene, polystyrene, gathered Acid amides, vinyl alcohol resin, polyethylene or polyethylene terephthalate.

16. cylinder according to claim 1, it is characterised in that its one or more parts are made up of following material：

- biodegradation material；

- or two or more biodegradation materials combination for being combined together, biodegradation material is described from following group selection Group includes Biodegradable polyester, starch-base biodegradation material, microorganism metallurgy, biodegradable vinyl alcohol resin, bio-based heat Thermoplastic plastic or polyhydroxyalkanoate.

17. cylinder according to claim 16, it is characterised in that the biodegradation material is Biodegradable polyester, starch Base biodegradation material, microorganism metallurgy, biodegradable vinyl alcohol resin, bio-based thermoplastic or poly-hydroxy fatty acid Ester.