KR20140059530A - Device and method of brewing coffee - Google Patents

Device and method of brewing coffee Download PDF

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Publication number
KR20140059530A
KR20140059530A KR1020120126084A KR20120126084A KR20140059530A KR 20140059530 A KR20140059530 A KR 20140059530A KR 1020120126084 A KR1020120126084 A KR 1020120126084A KR 20120126084 A KR20120126084 A KR 20120126084A KR 20140059530 A KR20140059530 A KR 20140059530A
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KR
South Korea
Prior art keywords
inlet
container
coffee
vessel
hot water
Prior art date
Application number
KR1020120126084A
Other languages
Korean (ko)
Inventor
최준식
Original Assignee
최준식
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Application filed by 최준식 filed Critical 최준식
Priority to KR1020120126084A priority Critical patent/KR20140059530A/en
Publication of KR20140059530A publication Critical patent/KR20140059530A/en

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/002—Apparatus for making beverages following a specific operational sequence, e.g. for improving the taste of the extraction product
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/02—Coffee-making machines with removable extraction cups, to be placed on top of drinking-vessels i.e. coffee-makers with removable brewing vessels, to be placed on top of beverage containers, into which hot water is poured, e.g. cafe filter
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/06—Filters or strainers for coffee or tea makers ; Holders therefor
    • A47J31/0652—Filters or strainers for coffee or tea makers ; Holders therefor with means to by-pass a quantity of water, e.g. to adjust beverage strength
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/4403—Constructional details
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/50—Urns with devices for keeping beverages hot or cool

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Apparatus For Making Beverages (AREA)

Abstract

A coffee extracting apparatus according to an embodiment includes a first container having a first inlet and a second inlet located opposite to each other, a first container having a first inlet of the first container and having a hole through which liquid can flow, A lid, a second container having a third inlet and a fourth inlet located opposite each other, a second lid having at least a hole through which the liquid can flow, covering the third inlet of the second container, Wherein the first and second vessels are coupled such that the second inlet and the fourth inlet are opposed to each other, and the first filter is disposed between the first and second vessels, And is located between the second inlet and the fourth inlet.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a coffee extracting apparatus,

The present invention relates to an apparatus and a method for extracting coffee.

Coffee beans can be classified into drip coffee and espresso depending on the extraction method. Extraction using hot water is generally used, but in recent years, extraction with cold water has also been used.

Coffee extracted using hot water may degrade the flavor of the extracted coffee due to oxidation or deterioration of the components contained in the coffee bean itself or volatilization of the volatile components contained in the coffee bean during the extraction of the coffee.

On the other hand, when coffee is extracted with cold water, the deterioration of coffee flavor due to oxidation and volatilization can be reduced. In addition, when coffee is extracted with cold water, decaffeinated coffee with little caffeine can be made without the complex caffeine removal process because the caffeine ingredient, which is known to be harmful to the human body, hardly dissolves.

However, when coffee is extracted by using cold water, not only the caffeine but also the components representing the flavor of the coffee are not dissolved in the cold water, so that the flavor of the coffee may not appear.

In order to solve the flavor problem of cold - extracted coffee, a method of extracting a small amount of coffee over a long period of time has been proposed so that components contained in the coffee bean can be sufficiently dissolved in cold water. However, this method is difficult to use because it takes too long to extract the coffee.

The present invention provides a coffee extracting apparatus and method which keeps the flavor of the coffee but has a high extraction time.

A coffee extracting apparatus according to an embodiment includes a first container having a first inlet and a second inlet located opposite to each other, a first container having a first inlet of the first container and having a hole through which liquid can flow, A lid, a second container having a third inlet and a fourth inlet located opposite to each other, a second lid having a hole through which the liquid can flow, covering the third inlet of the second container, Wherein the first filter and the second container are coupled such that the second inlet and the fourth inlet are opposed to each other, 2 inlet and the fourth inlet.

The coffee extracting apparatus may further include a first coupling member provided in the vicinity of the second inlet of the first container and a second coupling member provided in the vicinity of the fourth inlet of the second container, And a second engageable member.

The first engagement member can be inserted into the second engagement member.

The first engagement member may include a first screw thread formed on an outer circumferential surface thereof and the second engagement member may include a second screw thread formed on an inner circumferential surface and engageable with the first screw thread.

The coffee extracting apparatus may further include a contact member inserted between the first engaging member and the second engaging member to closely contact the first engaging member and the second engaging member.

The first engagement member may have a groove into which the contact member can be inserted.

The contact member may include a portion that defines an upper end position of the second engagement member when the first engagement member and the second engagement member are engaged.

The second inlet may be narrower than the first inlet, and the fourth inlet may be narrower than the third inlet.

The second inlet is narrower than the fourth inlet so that the second inlet can be inserted into the fourth inlet.

The first filter may cover the second inlet.

The coffee extracting apparatus further comprises a second filter positioned between the first inlet of the first vessel and the first lid and a third filter positioned between the third inlet of the second vessel and the second lid .

Wherein at least one of the first and second vessels is formed on an inner surface and includes a plurality of linear protrusions extending in the direction from the first inlet toward the second inlet or from the third inlet toward the fourth inlet .

The linear protrusion may extend to the second inlet or the fourth inlet.

Wherein the coffee extracting device further comprises a handle formed on an outer surface of at least one of the first and second containers and closer to the second inlet than the first inlet, .

The coffee extracting apparatus may further include a server capable of supporting the first container or the second container, wherein the server is capable of supporting the first container or the second container, And may include a support jaw.

The coffee extracting apparatus may further include a third container capable of receiving the server and having a space capable of receiving liquid or solid.

The coffee extracting apparatus may further include a water supply device capable of supplying hot water and cold water to the first container or the second container.

A coffee extracting apparatus according to another embodiment includes a first container having a first inlet and a second inlet located opposite to each other, a first container having a first inlet of the first container and having a hole through which liquid can flow, A lid, a second container having a third inlet and a fourth inlet located opposite to each other, a second lid having a hole through which the liquid can flow, covering the third inlet of the second container, Wherein the first filter and the second container are coupled such that the second inlet and the fourth inlet are opposed to each other, and the first filter is disposed between the second and third vessels, And is positioned between the inlet and the fourth inlet.

The second inlet and the fourth inlet may be integrally formed.

The coffee extracting apparatus may further include a joining member for joining the first container and the second container.

The method of extracting coffee according to an embodiment of the present invention includes a step of storing a ground coffee bean in a coffee extractor, a hot water extraction step of extracting a coffee component from the ground coffee by supplying hot water to the coffee extractor, And a cold water extraction step of supplying cold water to extract the coffee component from the pulverized coffee beans.

The coffee extractor may include a first container and a second container coupled to each other, and the step of filling the coffee beans with the coffee beans comprises the steps of: placing a pulverizing bean in the first container; The hot water extraction step may include a step of introducing hot water into the first vessel to allow hot water passing through the first vessel to pass through the second vessel, The extraction step may include the step of introducing cold water into the second vessel to allow hot water passing through the second vessel to pass through the first vessel.

Wherein the first container has a first inlet located opposite the second container and a second inlet directed to the second container, the second container having a third inlet located on the opposite side of the first vessel, The second inlet is smaller than the fourth inlet, and the second inlet can be inserted into the fourth inlet.

According to the coffee extracting apparatus and method according to the embodiment, the extraction time is fast while maintaining the flavor of the coffee.

1 is a schematic perspective view of a coffee extractor according to one embodiment.
2 is a schematic exploded perspective view of the coffee extractor shown in Fig.
3 is a schematic longitudinal section view of the coffee extractor shown in Fig.
FIG. 4 is an enlarged schematic cross-sectional view of a portion where the first container and the second container are engaged in an enlarged manner in FIG. 1;
5 is a schematic plan view of the first container.
6 is a schematic perspective view of a mating member according to one embodiment.
7 is a schematic perspective view of a coupling member according to another embodiment.
8 is a schematic exploded perspective view of the first engaging member shown in Fig.
FIG. 9 is a schematic cross-sectional view showing the engaged state of the engaging member shown in FIG. 7;
10 is a schematic exploded perspective view of a coupling member according to another embodiment.
11 is a schematic cross-sectional view showing the engaged state of the engaging member shown in Fig.
FIG. 12 is a schematic perspective view illustrating a hot water extraction process in a method of extracting coffee using the coffee extractor shown in FIG. 1. FIG.
13 is a schematic perspective view of a server for a coffee extractor according to one embodiment.
14 is a schematic perspective view illustrating a cold water extraction process in a method of extracting coffee using the coffee extractor shown in FIG.
15 is an enlarged schematic cross-sectional view showing a joint portion between the first container and the second container in the cold water extraction process.
16 is a schematic perspective view of a server container according to one embodiment.
17 is a schematic perspective view showing a state in which a server is housed in a server container;
18 is a perspective view of a coffee extracting apparatus according to an embodiment.
19 is a perspective view of a coffee extracting apparatus according to another embodiment.

The present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.

The structure of a coffee brewer according to an embodiment will be described in detail with reference to FIGS. 1 to 11. FIG.

Fig. 1 is a schematic perspective view of a coffee extractor according to one embodiment, Fig. 2 is a schematic exploded perspective view of the coffee extractor shown in Fig. 1, Fig. 3 is a schematic vertical sectional view of the coffee extractor shown in Fig. FIG. 4 is a schematic enlarged cross-sectional view showing an enlarged view of a portion where the first container and the second container are engaged in FIG. 1, FIG. 5 is a schematic plan view of the first container, 7 is a schematic perspective view of a coupling member according to another embodiment, FIG. 8 is a schematic exploded perspective view of the first coupling member shown in FIG. 7, and FIG. 9 is a perspective view of a coupling FIG. 10 is a schematic exploded perspective view of a coupling member according to another embodiment, and FIG. 11 is a schematic cross-sectional view illustrating a coupling state of the coupling member shown in FIG. 10.

1 to 3, the coffee extractor 100 according to the present embodiment includes a first container 110 and a second container 150 that can be coupled to each other. Each of the first container 110 and the second container 150 can receive the ground coffee beans.

The first container 110 and the second container 150 are each approximately conical. The bottoms of the cones of the first and second containers 110 and 150 are open and the end corresponding to the vertex is also opened to form the holes 111 and 151 110, and 150, respectively. When the conical first and second containers 110 and 150 are placed upside down with the extraction ports 111 and 151 downward and the coffee is extracted, the water pressure is increased and the espresso extraction effect can be exhibited. The first container 110 and the second container 150 may be coupled such that the extraction ports 111 and 151 face each other and one of the first container 110 and the second container 150 is positioned on the upper side, One is on the bottom. 1 to 3, the first container 110 is located on the upper side, but conversely, the second container 150 may be located on the upper side.

The extraction ports 111 and 151 of the first container 110 and the extraction port 111 of the second container 150 may be different from each other. 150 may be smaller than the extraction port 151. 3 and 4, when the first container 110 and the second container 150 are coupled to each other, the extraction port 111 of the first container 110 is connected to the second container 150, And inserted into the extraction port 151 to be engaged. The extraction port 111 of the first container 110 and the extraction port 151 of the second container 150 may be substantially the same size. 2 extraction ports 151 of the container 150 may be in contact with or close to each other.

An intermediate filter 190 is positioned between the extraction port 111 of the first container 110 and the extraction port 151 of the second container 150 and the intermediate filter 190 is connected to a filter Lt; / RTI > The intermediate filter 190 may enhance the flavor of the coffee by filtering the extract before the coffee extract that has passed through either of the first and second containers 110 and 150 enters the other container.

Referring to FIGS. 3 and 4, the intermediate filter 190 may be placed outside the small extraction port 111, so that the combined first and second vessels 110 and 150 By keeping them non-slip, they can help keep the jointed state.

According to one embodiment, the middle portion of the intermediate filter 190 contacting the extraction port 111 of the first container 110 may include a filter material for filtering the extract liquid, and the peripheral portion may include a material having high adhesiveness to rubber or the like The coffee extract can be prevented from leaking out.

The shapes of the first and second containers 110 and 150 are not limited thereto and may have various shapes such as a cylindrical shape, a rectangular shape, a top shape, and the like. However, the cross-sectional area of the extraction ports 111 and 151 may be narrower than the cross-sectional area of the bottom portion for the espresso extraction effect.

The material of the first and second containers 110 and 150 may be transparent plastic or glass, but is not limited thereto.

At least one linear protrusion 112 and 152 extending in the direction toward the bottom surface of the extraction ports 111 and 151 are formed on the inner surfaces of the first and second containers 110 and 150, respectively. Each of the first and second containers 110 and 150 may include a plurality of linear protrusions 112 and 152 having different lengths and each of the linear protrusions 112 and 152 may include a plurality of linear protrusions 112 and 152, That is, the extraction ports 111 and 151, respectively.

For example, referring to FIG. 5, in which the first container 110 is viewed from above, the linear protrusions 112 may extend radially. The lengths of the linear protrusions 112 may be different from each other. For example, the long protrusions 112a and the short protrusions 112b may be regularly arranged in the circumferential direction. In FIG. 5, the long protrusions 112a are arranged in a cross shape, and three short protrusions 112b are arranged at regular intervals between two adjacent long protrusions 112a. The linear protrusions 112 can extend to the end of the first container 110 or the extraction port 111. When the first container 110 is viewed from above the protrusions 112 are extracted due to the height of the protrusions 112, It can be seen that it extends inwardly of the sphere 111.

The shape and arrangement of the linear protrusions 152 formed in the second container 150 may be substantially the same as those shown in Fig.

The linear protrusions 112 and 152 can provide a passage through which water can flow in the containers 110 and 150, so that water can escape at a high speed. In particular, when the linear protrusions 112 and 152 extend to the extraction ports 111 and 151, the coffee in the container (for example, the first container 110) positioned at the upper one of the first and second containers 110 and 150 The extract can be rapidly withdrawn from the container and introduced into the lower container (e.g., the second container 150).

The shape and arrangement of the linear protrusions 112 and 152 are not limited to those described above, and they may have other shapes and arrangements, and the linear protrusions 112 and 152 may be omitted.

Handles 114 and 154 are formed on the outer surfaces of the first and second containers 110 and 150, respectively, at a predetermined distance from the bottom surface. Handles 114 and 154 may be omitted.

Coupling members 116 and 156 for coupling the first container 110 and the second container 150 are formed near the outer surfaces of the first and second containers 110 and 150 and the extraction ports 111 and 151 . The coupling members 116 and 156 surround the extraction ports 111 and 151 of the first and second vessels 110 and 150, respectively. Part of the engaging members 116 and 156 may be cylindrical with a constant diameter and may be attached to the outer circumferential surface with a smaller diameter while approaching the outer circumferential surface of the first and second containers 110 and 150.

The size of the engaging member 116 (hereinafter referred to as a "first engaging member") of the first container 110 and the engaging member 156 (hereinafter referred to as "first engaging member") of the second container 150 The diameter of the first engaging member 116 is smaller than the diameter of the second engaging member 156 so that the first engaging member 116 can be inserted into the second engaging member 156. [

The extraction port 111 of the first container 110 is protruded to the inside of the first coupling member 116 and the extraction port 151 of the second container 150 is connected to the second coupling member 156, So that when the first engaging member 116 and the second engaging member 156 are engaged, the two extraction ports 111 and 151 are engaged with each other as shown in FIG.

According to the embodiment shown in Fig. 6, the outer circumferential surface of the first engagement member 116 and the inner circumferential surface of the second engagement member 156 are threaded and can be screwed together. In the drawing, the first engaging member 116 serves as a male thread and the second engaging member 156 serves as a female thread.

According to the embodiment shown in Figs. 7 to 9, the outer circumferential surface of the first engagement member 116 may be provided with a circular annular contact member 117a made of a material having a large frictional force such as rubber. According to one embodiment, as shown in FIG. 8, a groove 116a may be formed in the outer circumferential surface of the first engaging member 116 to form an annular groove along the outer circumferential surface to insert the contact member 117a. According to another embodiment, the contact member 117a may be integrally formed with the first engagement member 116. [ 9, when the first engaging member 116 is engaged with the second engaging member 156, the contact member 117a is positioned between the outer surface of the first engaging member 116 and the outer surface of the second engaging member 156 Make sure that the inside surface is in close contact so that it does not move.

According to the embodiment shown in Figs. 10 and 11, a cylindrical contact member 117b made of a material having a large frictional force such as rubber can be inserted into the outer circumferential surface of the first engagement member 116. Fig. According to one embodiment, the abutting member 117b may include a circular ring portion formed at the cylindrical end, wherein the circular ring portion includes a first annular member portion 116a and a second annular member portion 116b when the first engagement member 116 and the second engagement member 156 engage 2 engaging member 156. [0052] As shown in Fig.

The first and second coupling members 116 and 156 may have various shapes other than those shown in Figs. For example, the first engaging member 116 and the second engaging member 156 may be integrally formed.

The outer peripheral surface of the cylindrical coupling members 116 and 156 is also positioned with annular supports 118 and 158 to engage the coupling members 116 and 156 and the supports 118 and 158 are connected to the first and second vessels 118 and 158, And are joined to a plurality of columns 119 and 159 attached to the outer surfaces of the first and second substrates 110 and 150. Some of the pillars 119, 159 may also be engaged with the handles 114, 154 described above.

The shape and structure of the coupling members 116 and 156 are not limited to those described above, and may have various shapes and structures.

According to another embodiment, the first container 110 and the second container 150 may be integrally formed. In this case, the first container 110 and the second container 150 may be integrally formed as an hourglass. In this case, the engaging members 116 and 156 may also be integrally formed or omitted.

The underside of each of the first and second containers 110, 150 may be associated with the lid 120, 160. The lids 120 and 160 are substantially disk-shaped and have a plurality of holes 122 and 162 formed therein so that liquid can pass therethrough. The holes 122 and 162 may be evenly distributed throughout the lid 120 and 160 in order to allow water to flow evenly into the grinding cups in the vessels 110 and 150. The size of the holes 122, 162 may be smaller than the size of the ground bean flour so that the ground bean flour does not escape. For example, the diameter of the holes 122, 162 may be between about 1 mm and about 2 mm, if less, the flow of water into the vessels 110, 150 may not be smooth, The particles can escape out of the containers 110 and 150.

The lids 120 and 160 may have grooves for inserting tight contact members 124 and 164 made of a material having a strong friction force such as rubber on the lower outer circumferential surface of the lids 120 and 160, 150 to the containers 110, 150 when the lids 120, 160 are covered.

Coffee filters 130 and 170 may be located between lids 120 and 160 and vessels 110 and 160 where coffee filters 130 and 170 may be, for example, paper filters. When the coffee filters 130 and 170 are used, the sizes of the holes 122 and 162 formed in the lids 120 and 160 may be larger than the sizes of the ground coffee beans. The coffee filters 130 and 170 may be omitted.

Hereinafter, a method of extracting coffee using the coffee extractor shown in FIG. 1 will be described in detail with reference to FIGS. 12 to 15. FIG.

FIG. 12 is a schematic perspective view illustrating a hot water extraction process in a method of extracting coffee using the coffee extractor shown in FIG. 1, FIG. 13 is a schematic perspective view of a server for a coffee extractor according to an embodiment, FIG. 15 is an enlarged perspective view illustrating a process of extracting coffee using the coffee extractor shown in FIG. 1, and FIG. 15 is an enlarged view of a joint portion between the first container and the second container during the cold water extraction process Fig.

Referring to FIG. 12, the first and second containers 110 and 150 are combined as described above, and the completed coffee extractor 100 is placed in a container capable of containing the extracted coffee liquid, for example, When placed, the container located below, e.g., the second container 150, becomes an upright cone shape, and the container above the container, e.g., the first container 110, becomes an inverted cone shape.

The coffee extractor 100 may be installed on the inner surface of the server 200 so that the coffee extractor 100 can be inserted into the server 200. In this case, The inlet of the server 200 may be larger than the bottom surface of the containers 110 and 150. A handle 220 may be attached to the outer surface of the server 200.

When the coffee extractor 100 is used to extract coffee, the first and second containers 110 and 150 are first joined and then one of the two containers 110 and 150, for example, the second container 150, The coffee extractor 100 is set up so that the coffee extractor 100 is downward. The coffee filter 130 is placed on the first container 110 and the lid 120 is covered with the ground coffee beans in the upper container 110, for example, the first container 110. [ Then, the coffee extractor 100 is turned upside down and the first container 110 is set up so that it is downward. The coffee filter 170 is placed on the second container 150 and the lid 160 is covered with the ground coffee beans in the second container 150.

For example, the first container 110 may be filled with the coffee beans and the second container 150 may be filled with the powdered coffee beans. In this case, the amount of the ground coffee beans contained in the first container 110 may be different from the amount of the ground beans contained in the second container 150. For example, Only about 80% of the capacity can be filled in the battery 150, for example.

When the coffee extractor 100 filled with the ground beans is placed on the server 200 with the first container 110 facing upward, the coffee extraction preparation is completed.

When the preparation is completed, the hot water flows into the first container 110 through the hole 122 formed in the lid 120 of the first container 110. Then, the coffee liquid extracted from the pulverizing cup contained in the first container 110 enters the second container 150 and passes through the pulverizing coffee in the second container 150. Therefore, the coffee liquid collected in the server 200 through the second container 150 is extracted from both the pulverizing cup of the first container 110 and the pulverizing cup of the second container 150. However, in the case of the beans in the second container 150, the amount of extracted components may be relatively small because the contact with the liquid is relatively smaller than the cup of the first container 110. [

At this time, since the liquid near the inner surface of the first container 110 flows along the water path formed by the linear protrusions 112, the liquid moves at a higher speed than the case without the protrusions 112 and flows into the second container 150 .

As described above, since the lower end face of the first container 110 is narrower than the upper end face, the pressure applied to the pulverizing cup is large, so that the espresso extracting effect can be obtained. In addition, as the water flows into the first container 110 filled with beans, the pressure of the beans is further increased, so that the espresso extracting effect can be further increased.

Then, referring to FIG. 14, the coffee extractor 100 is turned upside down on the server 200 such that the second container 150 is upward.

The cold water flows into the second container 150 through the hole 162 formed in the lid 160 of the second container 150. The cold water then collects in the server 200 while dissolving the components contained in the beans while passing through the grinding cup contained in the second container 150 and the grinding cup contained in the first container 110. At this time, since the beans in the second container 150 are in contact with the liquid more than the beans in the first container 110, more components in the second container 150 are extracted.

As described above, the second container 150 is not filled with the pulverized beans, but the second container 150 may be filled with the water after the water is already absorbed and expanded in the hot water extraction process. When the cold water is introduced into the second container 150, the pressure in the second container 150 also becomes high, so that the espresso extracting effect can be obtained.

15, when the second container 150 is positioned on the top, a concave portion 192 is formed around the extraction port 111 of the first container 110, 1 container 110 without being influxed.

Thus, by alternately extracting coffee beans with hot water and cold water, it is possible to produce coffee having a good flavor while compensating for the disadvantages of the hot water extraction method and the cold water extraction method.

Next, a coffee extracting apparatus and method according to one embodiment will be described in detail with reference to Figs. 16 to 19. Fig.

FIG. 16 is a schematic perspective view of a server container according to an embodiment, FIG. 17 is a schematic perspective view showing a state where a server is housed in a server container, FIG. 18 is a perspective view of a coffee extracting apparatus according to an embodiment, Is a perspective view of a coffee extracting apparatus according to another embodiment.

Referring to FIG. 16, first, a large server container 300 capable of accommodating a plurality of servers 200 shown in FIG. 13 is prepared. The server container 300 has a lower space 310 in which water or ice can be filled in the lower portion and the lower space 310 can communicate with the outside through the hole 320. Water or ice can be inserted into and removed from the lower space 310 through the holes 320.

17, about 25% to about 35% or about 30% of ice is filled in the lower space 310 of the container 300 and a plurality of servers 200 are inserted into the server container 300. The coffee extractor 100 filled with the ground coffee beans is placed on each server 200 with the first container 110 facing upward and then the hot water coffee extraction process is performed. The ice in the lower space 310 of the container 300 may melt and become water during the hot water extraction process. When the hot water extraction is completed, the lower space 310 of the container 300 is filled with about 15% to about 25%, or about 20% more of the cold water. Next, the coffee extractor 100 is turned upside down and the second container 150 is placed on each server 200 so as to face upward, and then the cold water coffee extraction process is performed. When the hot water and cold water extraction are completed, the coffee extract is stored at a low temperature such as a refrigerator.

For example, the faucet-type water supply device 410 shown in Fig. 18 or the shower-type water supply device 420 shown in Fig. 19 can be used as the device for supplying water to the coffee extractor 100 have. Referring to FIG. 18, in the case of the faucet-type water supply device 410, the hot water faucet 412 and the cold water faucet 414 may be separately installed. 19, each shower 422 is connected to a common pipe 424 in the case of the shower-type water supply device 420, and a valve 426 for switching cold water and hot water to the common pipe 424 So that water supplied to each shower 422 can be adjusted.

While the present invention has been particularly shown and described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It belongs.

100: coffee extractor 110, 150: container
111, 151: extraction port 112, 152: projection
114, 154: handle of coffee extractor 116, 156:
117a, 117b: tightening member 118 of the engaging member, 158:
119, 159: columns 120, 160: lid
122, 162: hole 124 of the lid, 164: tight contact member of the lid
130, 170: coffee filter 190: intermediate filter
200: server 210: support jaw
220: handle of the server 300: server container
310: lower space of the server container 320: hole of the server container
410, 420: water supply device 412, 414: faucet
422: Shower 424: Common piping

Claims (23)

A first container having a first inlet and a second inlet opposite to each other,
A first lid covering the first inlet of the first vessel and having an opening through which liquid can flow,
A second container having a third inlet and a fourth inlet located opposite to each other,
A second lid covering the third inlet of the second vessel and having an opening through which liquid can flow, and
A first filter disposed between the first vessel and the second vessel,
Lt; / RTI >
The first container and the second container may be coupled such that the second inlet and the fourth inlet face each other,
Wherein the first filter is located between the second inlet and the fourth inlet
Coffee extractor. The method of claim 1,
A first engaging member provided in the vicinity of the second inlet of the first container, and
And a second coupling member provided in the vicinity of the fourth inlet of the second container,
Further comprising a coffee extracting device. 3. The method of claim 2,
Wherein the first engagement member can be inserted into the second engagement member. 4. The method of claim 3,
Wherein the first engagement member includes a first screw thread formed on an outer circumferential surface thereof,
The second engagement member includes a second threaded portion formed on an inner peripheral surface thereof and engageable with the first threaded portion,
Coffee extractor. 4. The method of claim 3,
Further comprising a tightening member inserted between the first engaging member and the second engaging member to closely contact the first engaging member and the second engaging member. The method of claim 5,
Wherein the first engagement member has a groove into which the contact member can be inserted. The method of claim 5,
Wherein the urging member includes a portion that defines an upper end position of the second engaging member when the first engaging member and the second engaging member are engaged. The method of claim 1,
Wherein the second inlet is narrower than the first inlet and the fourth inlet is narrower than the third inlet. The method of claim 1,
Wherein the second inlet is narrower than the fourth inlet so that the second inlet is inserted into the fourth inlet. The method of claim 9,
Wherein the first filter covers the second inlet. The method of claim 1,
A second filter positioned between the first inlet of the first vessel and the first lid, and
A third filter positioned between the third inlet of the second vessel and the second lid,
Further comprising a coffee extracting device. The method of claim 1,
Wherein at least one of the first and second vessels is formed on an inner surface and includes a plurality of linear protrusions extending in the direction from the first inlet toward the second inlet or from the third inlet toward the fourth inlet Including coffee extractor. The method of claim 12,
And the linear protrusion extends to the second inlet or the fourth inlet. The method of claim 1,
Further comprising a handle formed on an outer surface of at least one of the first and second containers and closer to the second inlet than the first inlet,
Wherein the first inlet is larger than the second inlet
Coffee extractor. The method of claim 1,
Further comprising a server capable of supporting the first container or the second container,
The server includes a support jaw which is capable of supporting the first container or the second container and is formed on the inner surface thereof
Coffee extractor. 16. The method of claim 15,
Further comprising a third container capable of receiving the server and having a space capable of receiving liquid or solid. The method of claim 1,
And a water supply device capable of supplying hot water and cold water to the first container or the second container. A first container having a first inlet and a second inlet opposite to each other,
A first lid covering the first inlet of the first vessel and having an opening through which liquid can flow,
A second container having a third inlet and a fourth inlet located opposite to each other,
A second lid covering the third inlet of the second vessel and having an opening through which liquid can flow, and
A first filter disposed between the first vessel and the second vessel,
Lt; / RTI >
Wherein the first container and the second container are coupled such that the second inlet and the fourth inlet face each other,
Wherein the first filter is located between the second inlet and the fourth inlet
Coffee extractor. The method of claim 18,
And the second inlet and the fourth inlet are integrally formed. The method of claim 18,
And a joining member for joining the first container and the second container. A step of putting the ground beans into a coffee extractor,
A hot water extraction step of supplying hot water to the coffee extractor to extract a coffee component from the pulverized coffee bean; and
A cold water extraction step of supplying cold water to the coffee extractor after the hot water extraction step to extract a coffee component from the ground coffee bean
≪ / RTI > 22. The method of claim 21,
The coffee extractor comprising a first container and a second container coupled to each other,
Wherein the step of grinding the coffee beans in the coffee extractor comprises:
Placing a pulverizing bean in the first vessel, and
The step of placing the pulverizing beans in the second vessel
Lt; / RTI >
The hot water extraction step includes the step of introducing hot water into the first vessel to allow hot water passing through the first vessel to pass through the second vessel,
The cold water extraction step may include a step of allowing cold water to flow into the second vessel to allow hot water passing through the second vessel to pass through the first vessel
Containing
Coffee Extraction Method. The method of claim 22,
Said first vessel having a first inlet located opposite said second vessel and a second inlet directed towards said second vessel,
Said second vessel having a third inlet located opposite said first vessel and a fourth inlet located opposite said third inlet,
Said second inlet being smaller than said fourth inlet,
The second inlet is inserted into the fourth inlet
Coffee Extraction Method.
KR1020120126084A 2012-11-08 2012-11-08 Device and method of brewing coffee KR20140059530A (en)

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Application Number Priority Date Filing Date Title
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150140472A (en) * 2014-06-05 2015-12-16 주식회사지티빈스 Coffee dirp device and coffee dirp method
KR20170011799A (en) 2015-07-24 2017-02-02 임서연 Coffee extracting apparatus
KR20220040103A (en) * 2020-09-23 2022-03-30 노영태 Hand drip device of Coffee

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150140472A (en) * 2014-06-05 2015-12-16 주식회사지티빈스 Coffee dirp device and coffee dirp method
KR20170011799A (en) 2015-07-24 2017-02-02 임서연 Coffee extracting apparatus
KR20220040103A (en) * 2020-09-23 2022-03-30 노영태 Hand drip device of Coffee

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