DE7708796U1 - DEVICE FOR FILTERING INFUSION BEVERAGES - Google Patents

Description

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Lüdenscheid, March 21, 1977. ^

DipL-lng. Johannes Papproth 2375 p / k

Patent attorney

Lüdenscheid, OenekingerWeg 7 ",

TeJefon: _fi (02351) 2 06 55 Gebrauchsmusteranaeldun. Richard Steding, 588 Lüdenscheid.

Device for filtering infusion beverages

The invention relates to a device for filtering infusion beverages consisting of a pot-shaped container, the bottom-side, approximately circular outlet opening through a sieve fabric is locked

The object of the invention is to achieve with simple means that the drip point or the drip circle of the sieve is moved as far as possible to the middle of the sieve fabric or even in the middle of the circular sieve mesh falls. In addition, the container should be easy to touch without there is a risk of touching the very hot outer wall. In addition, the water supply to the Screen mesh or to the filter material lying on the screen mesh, be it coffee or tea.

The solution to this problem is characterized according to the invention in that the screen fabric means a clamping ring clamped in a recess formed on the bottom from the outside around the outflow opening is, on the container side, as a contact surface for the screen fabric serving surface forms a truncated cone, with its imaginary point in the middle is arranged below the outflow opening.

The screen mesh, which in its dimensions

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Recess diameter is adapted, is placed on the contact surface of the recess with the container held the other way round and then clamped by pressing in the clamping ring. In this case, the f screen mesh lies in the edge area on the conical, truncated cone-shaped contact surface and is consequently arched at least starting from the edge over a wide area in the outflow direction. In this way, a circular drip ring or a drip point is created on the screen mesh surface, which prevents the dripping liquid from running out towards the edge.

It is provided in a further development of the invention, a known per se for screen mesh galvanic to use produced screen mesh, which is particularly advantageous when it has been aluminized. the The clamping ring can moreover simply be clamped or latched or glued in the container recess being. A detachable attachment allows a very simple replacement of the screen fabric. Very essential is that the screen mesh is curved outwards in the clamped position. To the stability of the To improve device, a horizontally extending at the lower end of the clamping ring Be formed on the support plate. With the exception of the screen fabric, the device is preferably made of Made of plastic.

In order to direct condensation water that precipitates under the support plate to the container outlet opening, it is provided that the support plate has drip edges on its underside. These can be in Form from radial to the center of the outflow opening, aiming from the outside to the inside in the direction of the outflow.

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falling bars.

To make handling easier and to reduce the risk of scalding on the hot outer skin of the im Preventing the use of a container filled with boiling hot water is provided according to the invention, to curve the upper edge of the container outward, preferably so that the curvature in a horizontally running edge ends.

In the case of handle grips that have been customary up to now, there is always the risk of being consumed if a pinger is thrown through the Handle inserted or the handle is not held firmly so that the container around the handle as Axis can pivot.

An independent invention within the scope of this invention is seen in the fact that the container is tapered conically towards the outlet opening and a likewise conical cup-shaped insert with openings on the bottom side is inserted into the container, the conicity of which is chosen so that the insert in de. End position remains at a distance from the discharge opening of the container.

The cone angle of the container is therefore steeper than that of the insert. The use is for recording the hot water and its dosed and precisely directed delivery to the below the Insert lying over the sieve mesh. The arrangement of openings is very important with a relatively large diameter in the middle of the insert base and a relatively small diameter near the edge Area of the insert floor. This prevents the piltered material from being washed away in the middle and

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if it is not used sufficiently , the small openings near the edge will moisten the material well and force it back to the center of the sieve mesh .

The dimensioning referred to in claim 11 and the in claim 12 characterized arrangement proved.

According to the invention, the screen fabric should have a mesh size of approximately 60 to 100 micrometers. Especially Small mesh sizes of around 80 micrometers are suitable.

An embodiment of the invention is shown in the drawing and described in more detail below.
It shows:

1 shows a container with an insert body in section;

Fig. 2 is also seen from above in section II-II of Fig. 1

The device for filtering infusion beverages, such as tea or coffee, consists of a pot-shaped container 1 »whose bottom-side outflow opening is closed by a circular disk-shaped, galvanically produced, aluminized mesh. The screen cloth 2 is tensioned by means of a clamping ring 3 to a base side molded recess 1 ^a, as shown in Fig. 1, left half, is shown in Fig. 1 to the right is shown how the screen fabric 2 extends in front of the full pressing of the clamping ring 3. In the end position, Fig. Left, the screen fabric 2 lies in the edge area

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^{to the surface 1 b of} the recess 1 ^a , which serves as a contact surface and is designed like a truncated cone

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and so a curvature of the sieve fabric can be made ... Due to the curvature , the drip point of the screen fabric 2 is shifted into the geometric center of the same. For filtering, a certain amount of filter material is poured onto the sieve fabric 2 and then hot water is poured over it. The filter material remains above the screen fabric 2 because the mesh size of the screen is about 80 micrometers. After the filtering process has been completed, the container 1 is rotated 180 ° from the position shown in FIG. A water jet is then directed onto the underside of the screen mesh 2, which is now at the top, and the filter material is thus removed from the screen mesh 2 and the container 1 without leaving any residue. In order to be able to place the container 1 together with the clamping ring 3 and screen fabric 2 on containers with mouth diameters of different sizes, ^{a support plate 3 a is formed on the clamping ring 3.} The ^{support plate 3 a has} on its underside integrally molded drip edges 3 »which drop towards the outlet opening and thus direct the condensed water towards the center. The upper edge 1 ^{C of} the container 1 is curved approximately semicircular outwards, with the curvature in an approximately horizontal direction

Edge edge 1 ^d ends. The edge 1 ^C can be used particularly well as a handle due to the curvature and the horizontal edge edge 1. The horizontal edge prevents the pingers from unintentionally sliding off the curvature when reaching over the container mouth with one hand. The container 1 tapers conically towards the outflow opening. An equally conical insert 4 is inserted into the container 1 as a water metering device. The filter material is located between the insert 4 and the screen fabric 2 in the working position. The insert 4 receives the hot water

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^{and it is dispensed in a dosed manner through the four large openings 4 a} arranged in the middle area of the insert base and through the four openings 4 or 4 ° arranged in the area near the edge. The small openings 4 can be as in Pig. 1 and 2 shown on the left. But it is particularly advantageous the openings 4 °, as in Pig. 1 and 2 is shown to be arranged. The container 1 shown, including the insert 4, is designed for about two to three cups of coffee or tea and is drawn on a 1: 1 scale. The openings 4 ^a have a diameter about twice as large as the openings 4 or 4 °. For the sake of clarity, it should also be emphasized that those in Pig. 1 and 2 on the right and left, respectively, are to be viewed as alternatives.

The invention is not restricted to the exemplary embodiments. All new features are individual and viewed in combination as essential to the invention.

If 'older each vox. A "sieve mesh 2 is spoken of , then it is a one-piece in the toasted line." in a known way by metallic precipitate gal vanisch sr it testifies sieve meant · which can also be aluainized . However, other known sieves are also suitable for this purpose.

Claims (13)

ι · · ι ti · · Claims 1. Device for filtering infusion beverages, consisting of a pot-shaped container, whose bottom, approximately circular outlet opening is closed by a mesh screen is characterized by ■ that the screen mesh (2) is clamped by means of a KJ.emmringes (3) in a recess (i ^a ) formed on the bottom from the outside around the outflow opening, the container-side surface (1) of which serves as a contact surface for the screen mesh (2) is a truncated cone forms, the imaginary tip of which is arranged centrally below the outflow opening, 2. Device according to claim 1, characterized in that that the screen fabric (2) is produced by electroplating. 3. Device according to one of the preceding claims, characterized in that the galvanically produced screen mesh (2) is aluminized. 4. Device according to one of the preceding claims, characterized in that the sieve fabric (2) in between the contact surface (1) of the recess (i ^a ) of the container (1) and the clamping ring (3) clamped position after -2- is arched on the outside. 5. The device according to one of the preceding claims, characterized in that at the lower end of the clamping ring (3) a support plate (3 ^a ) is formed. 6. Apparatus according to claim 5, characterized in that the support ^{plate (3 a} ) has on its underside dripping water leading to the center drip edges (3). 7. Device according to claim 1, characterized in that the upper edge (1 ^C ) of the container (1) is curved outwards. 8. Apparatus according to claim 7, characterized in that the curvature (1 ^C ) ends in a horizontally extending edge (1). 9. Device according to claim 1, characterized in that that the container (1) is tapered conically to the outlet opening and also a conical pot-shaped insert (4) with bottom _ openings cut out on the sides (4 ^a , 4, 4 ^C ) in "** the container (1) is inserted, its conicity is chosen so that the insert (4) gets stuck in the end position at a distance from the outlet opening. 10. The device according to claim 9, characterized in that the bottom-side in the insert (4) arranged openings have partly smaller $ ^a ), partly larger (4 _f 4 ^C ) diameter, with four larger openings in the central region of the bottom (4 ^a ) and four smaller ones near the edge 3 - Openings (4 "or 4 °) are regularly distributed are arranged. 11. The device according to claim 10, characterized in that the larger openings (4) have a diameter of approximately one eighteenth of the
have maximum container diameter and
the smaller ones (4 or 4) about half
Have the diameter of the larger openings (4 ^a). 12. The device according to claim 9, characterized in that that the smaller openings (4 °) in that of the Insert side wall and the insert bottom enclosed, rounded transition area arranged are. 13. The device according to claim 2, characterized in that that the mesh size of the screen fabric (2) 60 to 100 micrometers, preferably 80 micrometers is. For the applicant patent attorney