EP1727749A1 - Filter paper pod compacted coffee portions - Google Patents
Filter paper pod compacted coffee portionsInfo
- Publication number
- EP1727749A1 EP1727749A1 EP05708680A EP05708680A EP1727749A1 EP 1727749 A1 EP1727749 A1 EP 1727749A1 EP 05708680 A EP05708680 A EP 05708680A EP 05708680 A EP05708680 A EP 05708680A EP 1727749 A1 EP1727749 A1 EP 1727749A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pod
- filter paper
- compacted
- fact
- central part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
- B65D85/804—Disposable containers or packages with contents which are mixed, infused or dissolved in situ, i.e. without having been previously removed from the package
- B65D85/8043—Packages adapted to allow liquid to pass through the contents
- B65D85/8046—Pods, i.e. closed containers made only of filter paper or similar material
Definitions
- the present invention relates to the technique of manufacturing compacted pods and specifically regards filter paper pods for packaging portions of ground coffee.
- filter paper pods to package portions of ground products of varying particle size, such as ground coffee, ground barley, tea or other similar substances, is well known in the art.
- Standardized filter paper pods which have a certain degree of compacting and display a lenticular shape that is symmetrical in relation to the plane of the flat circular peripheral sealing zone, are likewise known. Within said flat peripheral zone the symmetrical pods display a characteristic rounded circular edge.
- a drawback is manifested in that water tends initially to pass along the rounded edge rather than being forced through the central compacted part containing the product. This has the effect of reducing the quality of the brew obtained with said standardized symmetrical compacted pods.
- said pods do not fit tightly to the filter holder of the machine that makes espresso; as a result the water tends initially to pass through the gap formed around the edge rather than through the body of the pod.
- Asymmetrical pods having a very soft exterior are also known; as they are not compacted, they must be larger in size in order to be packed with the same product weight as standardized symmetrical compacted pods.
- the problem to be solved therefore, is to produce compacted filter paper pods having a conformation such as to prevent water from escaping, at the start of the brewing process, into the gap formed at the edge of the pod and ensure that it is instead forced through the central part containing product.
- the solution proposed by the present invention solves all of the problems inherent in compacted filter paper pods having a standardized symmetrical shape and makes it possible to obtain espresso coffee of excellent quality. DESCRIPTION
- Figure 1 shows a diametral cross-section of a compacted pod (A), which displays a shape that is asymmetrical in relation to the plane (P) of the flat circular peripheral sealing zone (Z). It may be noted that the central part (C) of the asymmetrical compacted pod (A) is coplanar with said peripheral sealing plane (P). It should also be noted that the filter paper in the central part (C) is in contact with the underlying portion of coffee contained inside the asymmetrical pod (A).
- Figure 2 shows a diametral cross-section of an asymmetrical compacted pod whose central part (C) is slightly concave and sunken in relation to the plane (P) of the flat circular peripheral sealing zone (P). It should be noted that the filter paper in the central part (C) is in contact with the underlying portion of coffee contained inside the asymmetrical pod.
- Figure 3 shows a diametral cross-section of an asymmetrical compacted pod having the same coplanar external shape as shown in figure 1. It should however be noted that the coffee inside the pod does not adhere to the overlying filter paper in the central part (C), which is coplanar with the plane (P) of the circular peripheral sealing zone (Z).
- Figure 4 shows a diametral cross-section of an espresso machine.
- Figure 5 shows a diametral cross-section of an espresso machine. It illustrates the initial behaviour of water during the brewing process with an asymmetrical compacted pod (A) whose central part (C) is coplanar with the plane (P) of the circular peripheral sealing zone (Z). Also warranting particular attention is the fact that the diameter (D) of the cavity in the section (S) forming the top part of the brewing compartment is smaller than the diameter defining the circular zone (C) inside the peripheral sealing zone (Z) of the pod (A).
- the upper filter holder section (S) closes to form a seal not only with the lower section (I) of the pod brewing compartment, but also with part of the central zone (C) of the body of the asymmetrical pod (A).
- This feature prevents water from escaping, even during the initial phase of brewing, into the gap (G) existing around the edge of the pod and forces the water through the central part, thereby ensuring, right from the start of the process, a homogenous, high quality brew.
- Figure 6 is analogous to figure 5 and serves to highlight that a high quality brew may also be obtained using compacted pods (A') packed with a lower product weight.
- the improvement in the brewing process prevents the undesired initial flow of water through the gap (G) and thus ensures greater uniformity of the brew, which is of good quality.
- A indicates an asymmetrical compacted pod containing the same quantity of product as a standardized symmetrical compacted pod (E).
- A' indicates an asymmetrical compacted pod containing a smaller quantity of product.
- C indicates the flat central part of an asymmetrical pod.
- C indicates the slightly concave part of an asymmetrical pod.
- D indicates the diameter of the cavity in the upper section (S) of the filter holder .
- E indicates a compacted pod having a standardized symmetrical shape .
- G indicates the gap formed between the edge of the pod and the brewing compartment.
- I indicates the lower section of the pod brewing compartment.
- P indicates the plane of the peripheral sealing zone of a pod.
- S indicates the upper section of the pod brewing compartment.
- Z is the coplanar edge of a peripherally sealed pod.
- the invention naturally lends itself to different embodiments as regards both the dimensions and structural proportions, as well as the technological choices in respect of the materials to be used in the manufacturing process.
- the innovative concept underlying the present invention essentially consists in the asymmetric shape of the compacted pod and the substantial coplanarity between the central part (C) and the plane (P) of the circular peripheral sealing zone (Z) of the pod.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Apparatus For Making Beverages (AREA)
- Packages (AREA)
- Tea And Coffee (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000167A ITBO20040167A1 (en) | 2004-03-22 | 2004-03-22 | PAPER FILTER POD FOR DOSES OF COMPACT COFFEE |
PCT/IB2005/000575 WO2005092741A1 (en) | 2004-03-22 | 2005-03-08 | Filter paper pod compacted coffee portions |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1727749A1 true EP1727749A1 (en) | 2006-12-06 |
EP1727749B1 EP1727749B1 (en) | 2007-07-11 |
Family
ID=34961280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05708680A Expired - Fee Related EP1727749B1 (en) | 2004-03-22 | 2005-03-08 | Filter paper pod compacted coffee portions |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070248720A1 (en) |
EP (1) | EP1727749B1 (en) |
DE (2) | DE05708680T1 (en) |
ES (1) | ES2272204T3 (en) |
IT (1) | ITBO20040167A1 (en) |
WO (1) | WO2005092741A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9578984B2 (en) * | 2009-07-30 | 2017-02-28 | Koninklijke Douwe Egberts B.V. | Pad, pad holder, assembly, and method for producing a beverage |
GB2494704B (en) * | 2011-09-16 | 2016-06-08 | Kraft Foods R&D Inc | Coffee filter pod |
AU2021366127A1 (en) * | 2020-10-21 | 2023-04-27 | Societe Des Produits Nestle S.A. | Capsule, food or beverage preparation machine for processing a capsule, and food or beverage preparation process implementing such a food or beverage preparation machine and capsule |
CA3225060A1 (en) | 2021-07-30 | 2023-02-02 | Hans WIPRAECHTIGER | Manufacturing line for manufacturing a compostable pod for brewing products and system for measuring and regulating the relative humidity of a biodegradable paper-based material |
IT202100030074A1 (en) * | 2021-11-29 | 2023-05-29 | Caffe Borbone S R L | DISPOSABLE PODS FOR HOT DRINKS DISPENSING MACHINE |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3504441A1 (en) * | 1985-02-09 | 1986-08-14 | Wolfgang Gesen | Improved compact coffee filter |
ATE151714T1 (en) * | 1992-07-06 | 1997-05-15 | Nestle Sa | SEALED FLEXIBLE BAG AND METHOD FOR MAKING SAME |
US6777007B2 (en) * | 2002-07-06 | 2004-08-17 | Edward Z. Cai | Pod and method for making fluid comestible |
ES2252113T3 (en) * | 2001-06-28 | 2006-05-16 | Societe Des Produits Nestle S.A. | CLOSED FLEXIBLE CAPSULE. |
US20040265436A1 (en) * | 2002-07-06 | 2004-12-30 | Cai Edward Z | Coffee filter paper and method of use |
US8012523B2 (en) * | 2005-02-03 | 2011-09-06 | Voss Margaret E | Permanent filtering pod for brewing beverages |
-
2004
- 2004-03-22 IT IT000167A patent/ITBO20040167A1/en unknown
-
2005
- 2005-03-08 US US10/593,346 patent/US20070248720A1/en not_active Abandoned
- 2005-03-08 WO PCT/IB2005/000575 patent/WO2005092741A1/en active IP Right Grant
- 2005-03-08 DE DE05708680T patent/DE05708680T1/en active Pending
- 2005-03-08 DE DE602005001619T patent/DE602005001619T2/en active Active
- 2005-03-08 EP EP05708680A patent/EP1727749B1/en not_active Expired - Fee Related
- 2005-03-08 ES ES05708680T patent/ES2272204T3/en active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2005092741A1 * |
Also Published As
Publication number | Publication date |
---|---|
ITBO20040167A1 (en) | 2004-06-22 |
EP1727749B1 (en) | 2007-07-11 |
ES2272204T1 (en) | 2007-05-01 |
US20070248720A1 (en) | 2007-10-25 |
ES2272204T3 (en) | 2008-02-01 |
DE05708680T1 (en) | 2007-04-05 |
WO2005092741A1 (en) | 2005-10-06 |
DE602005001619D1 (en) | 2007-08-23 |
DE602005001619T2 (en) | 2008-04-10 |
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