JPH11244151A - Coffee extracting tool - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make changeable or adjustable the taste and flavor of coffee by arranging a filter pressing part to be fixed to the lower end part of a rod part in the outer peripheral part of an upper pressing part having plural through-hole parts on the inside and providing an elastic packing on the inner peripheral surface of a container main body part so as to constitute a coffee extracting tool. SOLUTION: When the tool is used, a filter 14 is pinched by the filter pressing part 16, milled coffee beans are put into the container main body part it, hot water is poured into the body 4 and the pieces P and powder, etc., of the coffee beans are melted into hot water. Then, the filter pressing part 16 is pushed-into the body 14, the outer peripheral part of the filter 14 is positioned upper than the filter pressing part 16 and also the upper opening of the body 14 is clogged by a cap 8. After a prescribed time, the rod part 10 is slid and moved downward and the filter pressing part 16 is lowered to the bottom part side of the body 4. At this time, only hot water is filtered by the filter 14 and the pieces P and powder of the beans are collected on the bottom part side of the container main body part 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coffee brewing tool, and more particularly to an elastic packing for pressing a filter by an elastic force on an inner peripheral surface of a container body, and a filter made of at least two bases having different eye sizes. With this configuration, it is possible to reliably remove coffee bean pieces and powder, avoid the inconvenience that coffee bean pieces and powder are mixed in coffee, and use two or more base materials having different eye sizes. The present invention relates to a coffee extractor that can change or adjust the taste and aroma of coffee by changing the filtration state of the filter using a filter consisting of:

[0002]

2. Description of the Related Art In beverages, particularly tea, which is a favorite beverage, an extractor called a server is generally used.

[0003] Because black tea leaves are dried,
When immersed in hot water, it expands and becomes a large solid. For this reason,
When the solid is removed to secure only the extract, a simple structure can be achieved without the need for a complicated structure extraction tool.

[0004]

By the way, when extracting an extract (hereinafter referred to as "coffee") from coffee beans, which is a favorite beverage, the coffee beans are finely crushed by a crusher, so that filtration is performed. Disposable paper filters are used to do this.

However, for effective use of resources, a filter that can be used repeatedly without using a paper filter has been desired.

Here, if a filter made of cloth, metal, or synthetic resin used for extracting the black tea is used instead of the paper filter, when the filter has a coarse mesh, the ground coffee beans are removed. There is a disadvantage that the coffee cannot be filtered accurately, a piece of coffee beans is mixed in the coffee, and the coffee becomes poor in texture.

[0007] Further, when the filter has a fine mesh, there is a problem that the filter is clogged by the crushed coffee bean pieces, so that sufficient filtration cannot be performed, which is disadvantageous in practical use. There is a disadvantage that the filter may not be usable.

[0008]

SUMMARY OF THE INVENTION In order to eliminate the above-mentioned inconveniences, the present invention provides a container body having a substantially cylindrical shape with a bottom, a holding holder for holding the container body, and an upper opening of the container body. A cover portion for closing the portion, a rod portion penetrating through the cover portion and slidable, a knob provided at an upper end portion of the rod portion, and a filter holder fixed to the lower end portion of the rod portion and holding a filter. A coffee extractor comprising: a filter presser, the filter presser having an upper presser having a plurality of through-holes inside, and an engaging part having a reinforcing rib inside and engaging with the rod. A lower pressing portion, and an elastic packing disposed on an outer peripheral portion of the upper pressing portion and pressing the filter by an elastic force on an inner peripheral surface of the container main body portion; Characterized by being constituted by at least two different or more sheets of green body.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION
When coffee is extracted by the coffee extractor, the elastic packing that presses the filter against the inner peripheral surface of the container body by the elastic force and a plurality of base materials with different eye sizes held between the filter holders of the coffee extractor are used. A filter that reliably removes coffee bean pieces and powder, avoids the inconvenience of mixing coffee bean pieces and powder in coffee, and the size of two or more base fabrics that make up the filter The taste and aroma of coffee can be changed or adjusted by changing the filtration state of the filter.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings.

FIGS. 1 to 6 show an embodiment of the present invention. In FIGS. 2 and 3, reference numeral 2 denotes a coffee brewing device.

The coffee brewing tool 2 includes a container body 4 made of, for example, transparent glass and having a substantially cylindrical shape with a bottom, a holding holder 6 with a handle for holding an outer peripheral portion of the container body 4 from below, A lid portion 8 for closing the upper opening 4a of the container body 4, a rod portion 10 penetrating through the lid portion 8 and slidable, a knob 12 provided at an upper end portion of the rod portion 10, and the rod portion A filter holding portion 16 fixed to the lower end portion of the filter 10 and holding the filter 14.

[0013] The filter holding portion 16 is formed by an upper holding portion 20 having a plurality of through holes 18 inside.
A lower holding portion 26 having a reinforcing rib 22 inside and an engaging portion 24 engaging with the rod portion 10; and a container main body portion 4 provided at an outer peripheral portion of the upper holding portion 20.
The filter 1 is formed on the inner peripheral surface thereof by an elastic packing 28 for pressing the filter 14 by an elastic force.
4 is at least two or more base materials 30 having different eye sizes.
It consists of.

More specifically, as shown in FIGS. 4 and 5, the upper pressing portion 20 of the filter pressing portion 16 is formed in a disk shape by a metal flat plate, and a plurality of through holes are formed inside the disk. A hole 18 is formed. This through hole 18
Are formed in various circular shapes having different diameters, as is clear from FIG.

As shown in FIGS. 4 and 6, the lower holding portion 26 of the filter holding portion 16 is formed by a metal flat plate in an annular shape, and the reinforcing rib 22 is formed to connect the inside of the annular flat plate in a cross shape. Are formed. The reinforcing rib 22 can be formed integrally with the annular flat plate.

An engaging portion 24 for engaging with the rod portion 10 is formed at a central portion of the lower holding portion 26 where the reinforcing rib 22 is concentrated. As shown in FIG. 4, the engaging portion 24 is formed separately from, for example, the lower holding portion 26, and has a hole 32 formed in a central portion of the lower holding portion 26.
24a penetrating from below and a lower holding portion 26
A large diameter portion 24b contacting the lower side of the central portion of
4a.

Further, the elastic packing 28 is fitted to an outer peripheral portion of the upper holding portion 20 formed in a disk shape by an elastic function (expansion / contraction function) of the elastic packing 28 formed of silicon or synthetic resin. And a sealing portion 28b protruding outward from the fitting portion 28a.

The sealing portion 28 of the elastic packing 28
As shown in FIG. 4, b is formed so as to have a U-shaped cross section, and is formed such that an arc-shaped bottom portion having a U-shaped cross section is directed upward.

Then, one end of the seal portion 28b is located on the side of the fitting portion 28a, and the other end of the seal portion 28b is located on the outermost peripheral portion of the elastic packing 28, so that the section will return to a U-shape. The elastic force, which is the return force of the sealing portion 28b, presses the filter 14 against the inner peripheral surface of the container body 4.

When holding the filter 14 between the upper holding part 20 and the lower holding part 26, the filter holding part 16 of the coffee brewing tool 2 has a larger diameter than the upper holding part 20 and has a larger diameter than the upper holding part 20. Of the first and second bases 30-1 and 30-2 having different sizes, one of the first bases 30-1 having a finer eye is located on the upper holding portion 20 side, and The other second substrate 30-2 having a rough surface is positioned on the lower holding portion 26 side.

Then, one of the first bases 30-
The first coarseness is such that even if coffee beans are crushed to the finest state by a crushing device (not shown), pieces P or powder of the coffee beans do not pass and only coffee as an extract can be extracted. It is.

Further, the coarseness of the other second base material 30-2 is such that, for example, even if the coffee beans are crushed to the finest state by the crushing device, the pieces P of the coffee beans do not pass through. Can be set to

Reference numeral 34 denotes a spout formed in the upper part of the container body 4, and reference numeral 36 denotes a cover which slides the rod 10 to cover a threaded portion of the filter presser 16.

Next, the operation will be described.

Before the coffee is extracted by the coffee extractor 2, the filter holding portion 16 holds the filter 14 composed of the first and second bases 30-1 and 30-2 having different eye sizes. .

Then, coffee beans crushed by a crusher (not shown) are put into the container body 4. At this time, the crushing state of the coffee beans, that is, the way of pulling has a great effect on the taste and aroma of the coffee after extraction, and each person selects the way of pulling according to his / her preference.

Thereafter, hot water is poured into the container body 4, and pieces P of coffee beans, powder and the like are dissolved in the hot water.

After the hot water has been poured, the filter holding section 16 is pushed into the container main body section 4, and as shown in FIG.
The outer peripheral portion of the container body 4 is positioned above the filter holding portion 16, and the upper opening 4 a of the container body 4 is closed by the lid 8.

After a lapse of a predetermined time from the injection of hot water, the knob 12 is gripped and the rod portion 10 is slid downward to lower the filter holding portion 16 to the bottom of the container body 4.

At this time, due to the lowering operation of the filter holding portion 16, only the hot water passes while being filtered by the filter 14, and the pieces P and the powder of the coffee beans remain on the filter 14 while being placed on the bottom side of the container body 4. Collected. In addition, the elastic force acting as the return force of the seal portion 28b of the elastic packing 28 presses the filter 14 against the inner peripheral surface of the container main body 4, and from this inner peripheral surface portion of the container main body 4, the coffee beans P or The powder does not overflow.

When the inner diameter of the container body 4 is gradually reduced from the upper side to the lower side when the container body 4 is formed, the overflow of the coffee beans P and the powder from the inner peripheral surface of the container body 4 can be achieved. Can be more effectively prevented.

After the filtration process, coffee, which is the extracted liquid extracted above the filter holding section 16, may be poured into a container (not shown) such as a cup from a spout 34.

As a result, the filter 14 can be
An elastic packing 28 for pressing the inner surface of the container body 4 against the inner peripheral surface;
With the filter 14 comprising a plurality of base materials 30 having different eye sizes sandwiched between the filter holding portions 16 of the coffee extractor 2, pieces P and powder of coffee beans can be reliably removed, and coffee There is no inconvenience that pieces P and powder of coffee beans are mixed into the mash.

The size of the first and second bases 30-1 and 30-2 constituting the filter 14 is made different from each other so that the size of the filter 14 is smaller than that of the conventional single filter. As the filtration state changes, the taste and aroma of the coffee can be changed or adjusted, coffee can be realized according to the taste of each person, and the extraction function of the coffee extraction tool 2 can be expanded. It is practically advantageous.

Further, the filter 14 is composed of two first and second bases 30-1 and 30-2 having different eye sizes, and one of the first bases 30-1 having a finer eye.
Is located on the upper holding part 20 side, and the other second base 30-2 having the coarserness is located on the lower holding part 26 side, so that the second base 30-2 is a piece P of coffee beans or the like. The double filtration function that the first base 30-1 eliminates small solids such as flour works by removing the large solids of the coffee beans, so that the pieces P and the powder of the coffee beans can be surely eliminated, and the coffee itself can be eliminated. It has a great influence on the taste and aroma of the soybean so that a good coffee can be extracted.

Further, 2 constituting the filter 14
If the size of the eyes of the first and second bases 30-1 and 30-2 is different from that of the above-described embodiment, the filter 1
4, the taste and aroma of the coffee can be changed or adjusted, coffee can be realized according to the taste of each person, and the extraction function of the coffee extractor 2 can be expanded. It is practically advantageous.

Further, even when the rod portion 10 and the filter pressing portion 16 are connected, the cover portion 36 can reliably prevent the threaded portion from coming into contact with the coffee in the container body 4, There is no danger that the thread scraps at the thread location will be mixed into the coffee, and the coffee can be kept clean and sanitary.

It should be noted that the present invention is not limited to the above-described embodiment, but can be variously applied.

For example, in the embodiment of the present invention, the filter holding portion of the coffee brewing device has two first and second sheets having different eye sizes between the upper holding portion and the lower holding portion.
Although the filter composed of the base is sandwiched, the filter may be configured by three or more bases.
Then, the pieces and powder of the coffee beans can be reliably removed by the three or more bases constituting the filter, and the taste and aroma of the coffee are changed by the size of the eyes of the three or more bases, Alternatively, it can be adjusted.

When a filter is interposed in the filter holding portion of the coffee brewing tool, as shown in FIG. 7, the filter 42 includes a filter portion 44 and a grid-like holding portion 46 for holding the filter portion 44. Can also be configured. The filter unit 44 is composed of two (or more than three possible) first and second bases having different eye sizes (not shown) or one base, and the holding unit 46 is A base made of a synthetic resin or the like or a mesh having a large eye size can be used.

Then, when the filter holding part descends,
As shown in FIG. 7, the filter portion 44 enters the lattice-shaped gap of the holding portion 46, and pieces P and powder of coffee beans are deposited on the filter portion 44. Effective filtration can be performed in places where the degree of accumulation is different and the amount of accumulation is small, a good filtration function can be maintained, and usability can be improved. Moreover, the filter 42 including the filter unit 44 and the holding unit 46 changes the taste and aroma of coffee,
Alternatively, adjustments can be made.

[0042]

As described above in detail, according to the present invention, a substantially cylindrical container body having a bottom, a holding holder for holding the container body, and a lid for closing an upper opening portion of the container body are provided. And a rod portion penetrating through the lid portion and slidable, a knob provided at an upper end portion of the rod portion, and a filter holding portion fixed to the lower end portion of the rod portion and holding a filter. An upper pressing portion having a plurality of through-holes inside, a lower pressing portion having a reinforcing rib inside and engaging with the rod portion, and an outer periphery of the upper pressing portion. The filter is made of at least two bases having different eye sizes, while being formed on the inner peripheral surface of the container body portion and being provided with elastic packing for pressing the filter by elastic force. Then, the elastic packing that presses the filter against the inner peripheral surface of the container main body by the elastic force and the filter made of a plurality of base materials having different eye sizes sandwiched between the filter pressing portions of the coffee extractor, and the coffee beans pieces or the like. Flour can be reliably eliminated, and there is no inconvenience that pieces of coffee beans and flour are mixed in the coffee. In addition, by changing the size of the eyes of two or more base materials constituting the filter, the filtration state of the filter changes, and the taste and aroma of coffee can be changed or adjusted, and each of them can be adjusted. It is also possible to realize coffee according to taste, and to expand the extraction function of the coffee extractor, which is practically advantageous.

[Brief description of the drawings]

FIG. 1 is a perspective view of a coffee extracting device according to an embodiment of the present invention, in a state where a filter is assembled to a filter holding portion.

FIG. 2 is a perspective view of a coffee brewing tool.

FIG. 3 is a sectional view of a coffee brewing tool.

FIG. 4 is an enlarged sectional view of a filter holding section of the coffee brewing tool.

FIG. 5 is a plan view of a filter holding section of the coffee brewing tool.

FIG. 6 is a bottom view of a filter holding section of the coffee brewing tool.

FIG. 7 is an enlarged view of a main part of a filter showing another embodiment of the present invention.

[Explanation of symbols]

 2 Coffee extractor 4 Container main body 6 Holding holder 8 Lid 10 Rod 12 Knob 14 Filter 16 Filter holder 18 Through hole 20 Upper holder 22 Reinforcement rib 24 Engagement part 24a Small diameter part 24b Large diameter part 24c Screw part 26 lower holding part 28 elastic packing 28a fitting part 28b seal part 30 base 30-1 first base 30-2 second base 32 hole 34 spout

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[Procedure amendment]

[Submission date] March 26, 1998

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] All figures

[Correction method] Change

[Correction contents]

FIG.

FIG. 2

FIG. 3

FIG. 4

FIG. 5

FIG. 6

FIG. 7

Claims (2)

[Claims] 1. A container body having a substantially cylindrical shape with a bottom, a holding holder for holding the container body, a lid for closing an upper opening portion of the container body, and a slide penetrating the lid. In a coffee brewing tool including a movable rod portion, a knob provided at an upper end portion of the rod portion, and a filter holding portion fixed to a lower end portion of the rod portion and holding a filter, the filter holding portion is provided with an inner side. An upper holding portion having a plurality of through-hole portions, a lower holding portion having a reinforcing rib inside and an engaging portion engaging with the rod portion, and an outer circumferential portion of the upper holding portion. The inner peripheral surface of the container body is formed of an elastic packing that presses a filter by an elastic force, and the filter is formed of at least two or more substrates having different eye sizes. Coffee extractor to be a feature. 2. A filter holding portion of the coffee brewing device, wherein when the filter is sandwiched between an upper holding portion and a lower holding portion, the filter is formed of two base materials having different eye sizes. 2. The coffee brewing tool according to claim 1, wherein one of the finer pieces is located on the side of the upper holding section, and the other coarse side is located on the side of the lower holding section. 3.