JP2009096507A - Taste beverage extraction bag with support placed on cup and extraction method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a taste beverage extraction bag with a support, which includes a bag member and a support member covering the upper part of the bag member, eliminates the need to touch an opening in the upper end of the bag member with fingers, opens without waste of material, can be placed on a cup safely, and enables continuous drip extraction and extrusion extraction. <P>SOLUTION: The front and rear faces 3a and 3b of the support member are continuous with the tops of the right and left sides 4a and 4b and right and left side edges. On the backs of central parts 7a and 7b, the upper ends of the front and rear faces 2a and 2b of the bag member are joined in joining areas 10a and 10b. Between the right and left side parts and the central parts of the support member, downward notches 8a and 8b are formed from the central parts toward the right and left sides. Creases or discontinuous cuts 11a, 11b, 12a, and 12b are formed between the tops of the right and left side parts and the lower ends of the notches. After the bag member is filled with a material to be extracted, the front and back of the bag member are separably joined in one or more parts of the joined area. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  TECHNICAL FIELD The present invention relates to a taste beverage extraction bag with a cup-mounted support and an extraction method. In more detail, the present invention is to store the beverage extraction bag in a sanitary manner in which the opening is hygienically protected until use, and in the use, the bag is stably placed on the cup via the support. It can be placed safely, easily opened without directly touching the opening of the extraction bag, and the drip-type extraction operation can be performed hygienically without generating waste due to the opening. The present invention relates to a palatable beverage extraction bag and an extraction method using the same.

In recent years, when a beverage such as coffee is extracted by a drip method, the use of a used extraction bag comprising an extraction bag and its support is widely used.
For example, in Japanese Utility Model Publication No. 5-13324 (Patent Document 1), a filter paper bag body is inserted and bonded between doubly overlapped strips, and is cut inwardly in the middle of the folds of the strips. There is disclosed a filter device which is provided with a formed spread piece and is capable of opening a strip piece and a filter paper bag between them by pushing the spread piece inward.
Japanese Utility Model Publication No. 60-7622 (Patent Document 2) has a hole formed in the center of a rectangular cardboard, and an extraction bag is attached to the hole, and the left and right ends of the rectangular cardboard are engaged with the upper edge of the cup. A coffee filter is disclosed in which a locking leg piece is formed by cutting, a rectangular cardboard is curved, and the locking leg pieces at the left and right ends thereof are engaged with the upper edge of the cup.
Furthermore, in Japanese Utility Model Publication No. 57-10270 (Patent Document 3), a filtration bag is attached to the inside of a frame that can form a rectangular rectangular tube, and the rectangular tube is placed on a cup. A coffee filter is disclosed.
In the conventional extraction bag with a support as described above, the finger is easy to touch the extraction bag at the time of opening, and it is difficult to keep the opened state of the support and the extraction bag constant, and There was a problem that the mounting state of the support was unstable and lacked safety.

Japanese Patent No. 3664574 (Patent Document 4) discloses a beverage-extracting beverage with a cup-mounted support that can eliminate the above-mentioned problems. However, when the extraction bag is opened, the support member and the upper part of the bag member are disposed. There is a problem that it is necessary to tear and remove, thereby generating waste.
Japanese Utility Model No. 5-13324 Japanese Utility Model Publication No. 60-7622 Japanese Utility Model Publication No.57-10270 Japanese Patent No. 3664574

  The present invention stores the beverage extraction bag in a sanitary state with the opening of the extraction bag in a closed state until use, and touches the finger of the opening of the extraction bag directly during use. And a support device that can be opened without generating waste and can stably and safely place and support the extraction bag on the cup. Provided is a favorite beverage extraction bag with a cup-mounted support device that allows a favorite beverage to be extracted in a sanitary and safe manner and that can further extract a beverage for extraction with a liquid extract. It is something to try.

The preferred beverage extraction bag with a cup-mounted support device of the present invention covers the upper part of a filterable sheet extraction bag member 2 containing a material to be extracted for a favorite beverage, and is joined thereto. A support member 3;
The support member has a front surface portion 3a and a back surface portion 3b facing each other, and the front and back surface portions have center portions 7a and 7b and left and right side portions 4a and 4b, respectively. The left and right side portions of the front and back portions of the member are continuous with each other at the left and right top portions 5a and 5b and the side edge portions 6a and 6b, and downward from the top portions of the front and back center portions toward the left and right side portions. Inclined cutout portions 8a and 8b are formed, and folds or discontinuous cuts are formed from the top of the left and right side portions of the support member toward the lower end of the cutout portion, and the front and rear center portions are formed. A cut-off portion 7c is provided on the left side of the upper portion of 7a, and a cut-off portion 7d is also provided on the right side of the upper portion of the rear central portion 7b facing this,
The bag member has front and rear surface portions 2a and 2b and left and right side surface portions 2c and 2d, and upper end portions of the front and rear surface portions 2a and 2b of the bag member are front and rear surface portions of the support member. The lower end of the cut-off portion at the center of the bag member is disposed so as to be close to this, and the upper end portions of the front and back portions of the bag member are on the back surfaces of the front and back portions of the support member, respectively. A pair of creases or discontinuous cuts 11 are attached to the upper portions of the left and right side portions of the support member so as to easily bend the portions inward toward the cutout portion. , 12 are formed, and at least one portion of the bonding region of the bag member and the support member is formed with a joint portion 10c that joins the front and back portions of the bag member so as to be peelable from each other. And Lower half of grayed members, and stretching out lower than the lower end of the support member,
Applying a force in the direction of pulling away from each other to the upper end portion of the front / back surface central portion of the support member, the bonding of the front / back surface portion of the bag member is released, and the upper portions of the left and right side portions of the support member are The support member can open the upper end of the bag member by bending inward toward the notch along the fold or discontinuous cut.
In the preferred beverage extraction bag with a cup placed on the cup according to the present invention, in the front and back portions of the support member, located at the inner side of the left and right cutout portions, and at least one place not overlapping the bag member, It is preferable that a joining portion 10d is formed in which the front and back portions of the support member are joined to each other in a peelable manner.
In the extraction bag of the present invention, it is preferable that the pair of lower end protrusions 13 and 14 further extend from the left and right edge continuous portions of the lower end 15 of the front and rear portions of the support member.
In the extraction bag of the present invention, it is preferable that a central hanging portion 16 extending downward is further formed at the central portion of the lower end 15 of each of the front and back portions of the support member.
In the bag member of the extraction bag of the present invention, the left and right side surface portions 2c, 2d are folded inside the front / back surface portions 2a, 2b, and the lower ends thereof are joined linearly at the joint portion 18. Is preferred.
The method for extracting a preferred beverage according to the present invention applies a force in the direction of pulling away from each other to the upper part of the front and back portions of the support member of the preferred beverage extraction bag with a cup-mounted support device according to the present invention. The front / back surface part or the front / rear part of the support member and the bag member is disconnected, and the upper end portions of the left and right side parts of the support member are cut along the folds or discontinuous cuts. The upper end of the support member and the bag member is opened, the extraction bag is in contact with the lower end of the support member on the upper edge of the cup, and the bag member is in the cup. It is placed so that it is located, hot water is poured into the bag member from its opening, drip extraction is performed on the material to be extracted for a favorite beverage in the bag member, and the extract is contained in the cup And this By-up the extract, it is characterized in applying leaching extract the to be extracted material.

  The preferred beverage extraction bag with a cup-mounted support device of the present invention is sanitarily protected in the state where the opening of the bag member containing the material to be extracted for taste beverage is joined and closed during its storage. In this case, the bag member can be easily opened without touching the opening of the bag member and without generating waste, and the bag member can be held on the cup while stably holding the bag member open state by the support member. Therefore, both the drip method and the leaching method can be extracted from the material to be extracted.

  There are no particular limitations on the type of taste beverage contained and extracted in the taste beverage extraction bag with a cup-mounted support device of the present invention, but coffee, tea, cocoa, oolong tea, green tea, barley tea, kelp tea and the like are included. The Among these, it is preferable to use coffee.

The configuration of the preferred beverage extraction bag with a cup-mounted support device of the present invention is illustrated in FIG. 3 as a front view of the embodiment shown in FIG. 2, the plan view showing the open state shown in FIG. This will be described with reference to a front view in an open state and an overhead view in the use state shown in FIG.
The extraction bag 1 with a support shown in FIG. 1 covers an extraction bag member 2 made of a filterable sheet that contains and seals an extraction material for a favorite beverage, and covers the upper portion of the bag member 2. And a support member 3 joined thereto.
In FIG. 1, the bag member 2 is formed of a filterable sheet, and has a front surface portion 2a and a back surface portion 2b, and left and right side edge portions 2c and 2d, and the left and right side surface portions 2c and 2d are in front. -It is folded inward between the back surface parts 2a and 2b. As shown in FIG. 1, it is preferable that the front and rear portions of the bag member and the lower ends of the left and right side surface portions are joined so as to form a linear joining portion 18. Further, after the bag member is filled with the material to be extracted for a favorite beverage, the opening of the bag member is detachably joined and sealed as described in detail later.

  The lower half of the bag member extends below the lower end 15 of the support member, opens the upper part of the bag member, performs drip extraction on the material to be extracted therein, and performs leaching extraction with the extract. be able to.

  1-4, the support member 3 has a front surface portion 3a and a back surface portion 3b that face each other. These front and back surfaces are respectively a central portion 7a, 7b and left and right side portions 4a, 4b. The left and right side portions of the front and back portions of the support member are continuous with each other at the left and right top portions 5a and 5b and side edge portions 6a and 6b, and from the top of the center portion of the front and back portions. Cutout portions 8a and 8b that are inclined downward toward the left and right side portions are formed, and folds formed from the tops of the left and right side portions of the support member toward the lower ends of the cutout portions, or discontinuous cuts. 11a, 11b, 12a, 12b are provided, a cut-out portion 7c is provided on the left side of the upper portion of the front center portion 7a, and a cut-off portion 7d is also provided on the right side of the upper portion of the back surface central portion 7b. ing. Accordingly, upper end protrusions 17a and 17b are formed on the upper portions of the central portions 7a and 7b of the front and rear portions of the support member, respectively. At this time, it is preferable that the upper end protrusions 17a and 17b include opposing portions 9a and 9b that overlap each other. Moreover, it is preferable that an upper end protrusion part is formed in trapezoid shape.

  It is preferable that the pair of lower end protrusions 13 and 14 further extend from the left and right side edge continuous portions of the front and rear portions of the support member. In addition, it is preferable that a central hanging portion 16 extending downward is further formed in the central portion of the lower end 15 of each of the front and back portions of the support member.

1-4,
The bag member 2 has front and back surface portions 2a and 2b and left and right side surface portions 2c and 2d (FIG. 2), and the upper end portions of the front and back surface portions 2a and 2b of the bag member are the support members. The front and back portions of the bag member are arranged so as to be positioned under and adjacent to the lower edge of the cut-off portion, and the front and back portions of the bag member are arranged in front of and behind the support member, respectively. A pair of bonding areas 10a and 10b are bonded to the back surface of the back surface portion, and the upper portions of the left and right side portions of the support member are easily paired inward toward the lower end of the cutout portion. A fold or discontinuous cut 11a, 11b, 12a, 12b is formed from the top of the left and right side portions of the support member toward the lower end of the cutout portions 8a, 8b, and the bag member and the support member At least the bonding area In one place, from one of the front and back portions of the support member, through the front and back portions of the bag member, the other is stamped for bonding, and the front and back portions of the bag member Are joined in a peelable manner. And the lower half part of the said bag member is extended below rather than the lower end of the said supporting member. It is preferable that the front and back surfaces of the bag member and the lower ends of the left and right side surfaces are joined to form a straight lower end 18 as shown in FIGS.

As shown in FIG. 1, the front and rear portions 2 a and 2 b of the bag member 2 are respectively connected to the front and rear portions 3 a and 3 b of the support member 3 in the bonding areas 10 a and 10 b set at the upper end portions thereof. The upper portions of the respective central portions 7a and 7b are adhered and fixed to the back surfaces below the lower edges of the cut-off portions 7c and 7d in proximity thereto. After the material to be extracted is filled in the bag member, the upper end portions of the front and rear portions 2a and 2b of the bag member 2 are overlapped together with the upper end portions of the left and right side surface portions 2c and 2d that are folded therebetween, and are bonded together. In at least one place in the adhesion area between the supporting member 3 and the front and back portions, a joining portion 10c is formed that joins the front and back portions of the bag member so as to be peeled from each other.
Further, in addition to the front / back surface joint portion 10c of the bag member, at least one joint portion for releasably joining the front / back surface portion of the support member is formed to package and store the extraction bag. It is preferable to ensure the joint sealing of the bag member opening. For example, in FIG. 1, the front and back portions of the support member are located on the inner side of the left and right cutout portions 8a and 8b and do not overlap with the bag member 2. A joining portion 10d is formed in which the back portions are joined to each other so as to be peeled off. In this case, as shown in FIG. 1, it is preferable to form a left and right joint 10 d between the notches 8 a and 8 b and the bag member 2.
There are no particular restrictions on the method of bonding the front and back surfaces of the support member so that they can be peeled off and the method of bonding the front and back surfaces of the bag member so that they can be peeled off. A method of embossing one or more points, preferably a plurality of points, with or without intervening front / back surfaces of the material, or an imprinting that performs a local pressure treatment at one or more points, preferably a plurality of points. Can be used. The stamping and stamping process may be accompanied by heating.

  The overlap of the front and back portions of the opening of the bag member is continuously integrated from both sides at the front and back portions of the support member (the top portions 5a and 5b of the left and right side portions 4a and 4b and the left and right side edges 6a and 6b). Is sandwiched between and protected. Preferably, the opening of the bag member is further protected by upper end protrusions 17a and 17b at the center of the support member extending upward. At this time, if the upper end protrusions 17a and 17b include opposing portions 9a and 9b that overlap each other, the protection of the bag member opening during storage of the extraction bag is further enhanced.

In order to make the extraction bag of the present invention into an extractable open state, the upper end protrusions 17a and 17b at the center of the front and back portions of the support member are applied with a finger in a direction to separate them from each other. The joining of the front and back portions of the member or the joining of the front and back portions of the support member and the bag member is released.
Next, fingers are applied to the top portions 5a and 5b of the left and right side portions 4a and 4b of the support member, and the front portions 5a and 5b are pushed inward along the folds or discontinuous cuts 11a, 11b, 12a and 12b. Then, the central portions 7a and 7b of the support are separated from each other, and the front and back portions of the support are opened in an approximately elliptical shape. Therefore, the opening of the bag member bonded thereto is opened. At this time, the left and right side portions 4a and 4b of the support member and the central portions 7a and 7b are separated by the cutout portions 8a and 8b, so that the top portion of the left and right side portions is smoothly pushed, and The finger for pushing in does not touch the bag member opening, or less, so that the material to be extracted in the bag member is not scattered.
Further, the top portions 5a and 5b pushed inward at the top portions of the left and right side portions of the support member can stably hold the opening state of the support member. At this time, if the tips of the pushed top portions 5a and 5b are brought into contact with the inner back surface of the support member, the stability of the support in the open state is significantly improved.

In order to enhance the stability effect of the opening state of the support member, it is preferable to set the inclination angle of the notches 8a and 8b from the horizontal line to 35 to 55 degrees, and further to 40 to 50 degrees. preferable.
Further, when the support member is opened as shown in FIG. 2, the ratio of the distance a between the lower ends of the inclined lines at the center of the front and back portions and the maximum distance A at the center, a / A, Preferably, the ratio is about 1: 2.

  Since the extraction bag of the present invention has the above-described configuration, the pushing force required for opening the support member after releasing the joining of the front and back portions of the bag member is disclosed in a conventional product, for example, Japanese Patent No. 3664574. About 1/2 as compared to the extraction bag being used, the support member of the present invention allows it to be easily and easily opened and maintained in a stable state.

  As shown in FIG. 4, the opened extraction bag 1 is placed so that the lower end of the support member 3 is in contact with the upper edge of the cup 20 and the lower part of the bag member is accommodated in the cup. . At this time, if the lower end of the support member has the lower end protrusions 13 and 14 and the lower end central hanging part 16, the central hanging part is positioned in the cup, and the left and right lower end protruding parts are positioned outside the cup. These can be stably held at the placement position so that the extraction bag moves in the horizontal direction and does not come off the upper edge of the cup, thereby preventing accidents during extraction.

  Next, when hot water is poured into the bag member that is opened, drip extraction is performed on the material to be extracted, and an extract with good fragrance and color flows down into the cup, and eventually the extract in the cup When the lower part of the bag member is immersed therein, the extraction material is leached and extracted by this extraction liquid, and the concentration of the extraction liquid is further supplemented. That is, by using the extraction bag with a support according to the present invention, the extraction operation can be continuously performed in two stages of drip extraction and leaching extraction, and the extraction effect can be further improved.

In the extraction bag with a support according to the present invention, the filterable sheet material forming the bag member can be appropriately selected according to the type, particle size, extraction characteristics, and the like of the material to be extracted, but the single fiber fineness is 0. It is preferable to include a nonwoven fabric containing fine fibers of 2 denier or less. In particular, when the material to be extracted is coffee, it is preferable that the coffee fine powder does not permeate and the fat and oil in the extract is appropriately adsorbed and removed so that the fat and oil does not float on the surface of the coffee extract. . Such a nonwoven fabric for a filterable sheet is preferably a fine fiber nonwoven fabric made of a lipophilic (hydrophobic) polymer, for example, a polyolefin such as polyethylene and polypropylene, and this nonwoven fabric is another nonwoven fabric for forming a support layer. For example, it may be laminated with a filter paper sheet. As an example of a filterable sheet preferable for forming the bag member of the present invention, a nonwoven fabric made of polypropylene melt blown fibers having a fineness of 0.05 denier and having a basis weight of 20 g / m ² and a thickness of about 0.23 mm is used. The nonwoven fabric may be formed with a fiber fusion part by embossing.

  The support member used in the present invention is formed of a sheet material that can safely hold the bag member during the extraction operation and that the opening operation of the support member is easy and that can maintain this shape after the opening operation. As such a sheet material, it is possible to use a cardboard having a thickness of about 50 to 300 μm, or a plastic sheet, particularly a foamed plastic sheet. Generally, a cardboard coated with a waterproof layer is used. It is preferable to use it. The waterproof layer may be any type as long as it is stable under extraction conditions (particularly temperature) and does not peel off due to opening deformation of the support member. For example, the waterproof layer may be a coating layer made of polyethylene resin.

In the extraction bag with a support of the present invention, there is no particular limitation on the method and type of bonding in the bonding region between the support member and the bag member, and a water-resistant adhesive (for example, ethylene-vinyl acetate copolymer resin). May be used, or may be heat fusion using a heat fusion agent, or heat fusion using a waterproof resin layer covering the support member.
Further, the bonding portion formed in the adhesive region is for detachably bonding the front / back surface portion of the bag member or the front / back surface portion of the support member and the bag member in the vicinity of the opening, For example, a plurality of pointed needles with rounded tips are placed at predetermined positions at predetermined intervals, and stamping needle tools are applied to predetermined positions on the front and back portions of the support member at high speed, or under pressure. The bag member or the front and back portions of the support member are pressed to each other at a plurality of points. This bonding can be released by a low peeling force.
In this case, a weakly adhesive resin material may be applied (laminated) to at least the joint portions of the front and back portions of the bag member and the support member, and heating is performed on the marking needle using ultrasonic waves. May be applied. In general, when the bag member is formed of a thermoplastic resin, and when a thermoplastic resin film is laminated on the support member, the bag member can be joined to the extent that it can be peeled off by the stamping and stamping.

  The bag member used in the present invention has a front part and a back part facing each other, and a pair of left and right side parts, and these form a linear joint at the lower end thereof. Is preferred. By providing the side portion, the capacity of the bag member 2 can be increased, the upper end portion can be easily opened, and hot water can be easily poured. Furthermore, when the front surface portion, the back surface portion, and the left and right side surface portions are joined at the lower ends thereof to form a linear joint portion, when the bag member is pulled up from the extract, it is possible to facilitate the drainage. Further, the left and right side surfaces can be folded inward.

  The extraction bag with a support of the present invention can hold the opening of the bag member in a sealed state during storage before use, and in use, without touching the opening of the bag member, It can be opened hygienically and without generating waste, and the support member can be opened easily, and the bag member can be stably held in the open state, stably and safely on the cup. Can be applied to both the drip extraction and the brewing extraction on the material to be extracted for taste beverages contained in the bag member, whereby the taste, aroma, It is possible to extract a favorite beverage having a good color.

Front explanatory drawing of an example of the favorite drink extraction bag with a cup mounting type support tool of the present invention. Plane explanatory drawing of the open state of an example of a favorite drink extraction bag with a cup mounting type support tool of the present invention. Front explanatory drawing of the extraction bag opening state of FIG. The overhead view explanatory drawing which shows an example of the state which mounted the favorite drink extraction bag with a cup mounting type support tool of this invention mounted on the cup.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Beverage beverage extraction bag with cup-mounted support device 2 Filterable sheet extraction bag member 2a, 2b Front / back surface portion of bag member 2c, 2d Left and right side surfaces of bag member 3 Support member 3a (3b) Front of support member (Back) surface portion 4a, 4b Left and right side portions 5a, 5b of support member Left and right side top portions 6a, 6b Left and right side edges 7a, (7b) of support member Front (back) surface portion of support member Center part 7c, (7d) Cut-out part 8a, (8b) of the upper end of the center part of the front (back) surface part of the support member 9a, 9b Notch part 9a, 9b of the support member, front part, rear part Opposing portions 10a, (10b) that overlap each other Adhesive area between the front / back surface portion of the support member and the front / back surface portion of the bag member 10c A joint portion 10d that can peel the front / back surface portion of the bag member 10d Front / back surface of the support member Part can be peeled Joints 11a, 11b, 12a, 12b Folds or discontinuous cuts on the left and right side portions of the support member 13, 14 Left and right lower end protrusions of the support member 15 Lower end of the support member 16 Lower hanging portion 17a, 17b of the lower end of the support member Support member Upper and lower protrusions at the center of the front and rear portions 18 The lower end linear coupling portion of the bag member 19 Extractable material for taste beverage 20 Cup 21 Upper edge of the cup

Claims (6)

An extraction bag member 2 made of a filterable sheet containing a material to be extracted for taste beverages, and a support member 3 covering the upper part of the bag member and bonded thereto;
The support member has a front surface portion 3a and a back surface portion 3b facing each other, and the front and back surface portions have center portions 7a and 7b and left and right side portions 4a and 4b, respectively. The left and right side portions of the front and back portions of the member are continuous with each other at the left and right top portions 5a and 5b and the side edge portions 6a and 6b, and downward from the top portions of the front and back center portions toward the left and right side portions. Inclined cutout portions 8a and 8b are formed, and folds or discontinuous cuts are formed from the top of the left and right side portions of the support member toward the lower end of the cutout portion. A cut-off part 7c is provided on the left side of the upper part of the part 7a, and a cut-off part 7d is also provided on the right side of the upper part of the rear central part 7b opposite to the cut-off part 7c.
The bag member has front and rear surface portions 2a and 2b and left and right side surface portions 2c and 2d, and upper end portions of the front and rear surface portions 2a and 2b of the bag member are front and rear surface portions of the support member. The lower end of the cut-off portion at the center of the bag member is disposed so as to be close to this, and the upper end portions of the front and back portions of the bag member are on the back surfaces of the front and back portions of the support member, respectively. A pair of creases or discontinuous cuts 11 are attached to the upper portions of the left and right side portions of the support member so as to easily bend the portions inward toward the cutout portion. , 12 are formed, and at least one portion of the bonding region of the bag member and the support member is formed with a joint portion 10c that joins the front and back portions of the bag member so as to be peelable from each other. And Lower half of grayed members, and stretching out lower than the lower end of the support member,
Applying a force in the direction of pulling away from each other to the upper end portion of the front / back surface central portion of the support member, the bonding of the front / back surface portion of the bag member is released, and the upper portions of the left and right side portions of the support member are A preference with a cup-mounted support device, wherein the support member can open the upper end of the bag member by bending inward toward the notch along the crease or discontinuous cut. Beverage extraction bag.   The front and back portions of the support member are detachably joined to each other at at least one location on the front and back portions of the support member that is located inside the left and right cutout portions and does not overlap the bag member. 2. The preferred beverage extraction bag with a cup-mounted / supporting device according to claim 1, wherein the joined portion 10 d is formed.   The extraction bag according to claim 1 or 2, wherein a pair of lower end protrusions (13, 14) further extend from left and right side edge continuous portions of the lower end (15) of the front and back portions of the support member.   The extraction bag according to any one of claims 1 to 3, wherein a central hanging portion 16 extending downward is further formed at a central portion of each lower end 15 of the front and back portions of the support member.   5. The bag member according to claim 1, wherein the left and right side surfaces 2 c and 2 d are folded inside the front and back surfaces 2 a and 2 b, and their lower ends are joined linearly at the joint 18. The extraction bag according to any one of the above.   Applying a force in the direction of pulling away from each other to the upper portions of the front and back portions of the support member of the beverage-extracting beverage with a support device on the cup according to any one of claims 1 to 5, The front / back surface part or the support member and the front / back surface part of the bag member are released, and the upper end portions of the left and right side parts of the support member are cut along the folds or discontinuous cuts. The upper end of the supporting member and the bag member is opened, the extraction bag is placed on the upper edge of the cup, and the bag member is positioned in the cup. The hot water is poured into the bag member from its opening, the drip extraction is performed on the material to be extracted for a favorite beverage in the bag member, and the extract is stored in the cup. And even this cup The extract extraction method of beverages, characterized in that performing leaching extract the to be extracted material.

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