JPH10179401A - Beverage extraction bag - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate pulling and raising up the restraining piece of a beverage extraction bag. SOLUTION: One restraining member 5 is fixed to each of front/back faces of a filtering bag main body and this restraining member consists of a supporter 8 fixed to both faces of the filtering bag main body and the restraining piece 9 extended from this supported 8 to be capable of being pulled and raised up. The supporting body consists of a restraining piece supporting part 8a supporting restraining piece by being continued to this and upper and lower automorphic parts 8b and 8c extended along the upper and lower edges of the restraining piece. A restraining and recessed part 9a is formed at the restraining piece, the end tip part of the restraining piece is formed so as to be extended out to the outside of the automorphic parts and a turning down groove is formed at this end tip part at need.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to a beverage extraction bag. More specifically, the present invention relates to a beverage extraction bag for extracting coffee, tea, green tea, and other drinkable materials with water or hot water. The beverage extraction bag of the present invention has an opening at the upper end, particularly at the time of extraction, and easily raises a pair of locking pieces to lock the upper edge of a container such as a cup, thereby opening the bag. It is suitable for extraction while maintaining stability.

[0002]

2. Description of the Related Art Most of conventional beverage extraction bags contain coffee powder, tea leaves, or the like in a filter paper bag body, and a cardboard support frame is attached to the upper half of both sides of the filter paper bag body. Such a beverage extraction bag is disclosed in, for example, JP-A-4-13568. However, in the beverage extraction bag having the above configuration, the support frame is placed only on the upper edge of a container such as a cup and is not locked, so that the support state of the extraction bag is unstable. Therefore, when pouring hot water from above, the extraction bag slips and sometimes comes off from the container. Moreover, in the conventional extraction bag as described above, it is difficult to stably maintain the open state, and it is difficult to perform the extraction operation smoothly. Furthermore, in the conventional extraction bag as described above, since the arm of the support frame extends out of the filtration bag, the size of the extraction bag is increased, and therefore, the size of the outer bag that accommodates the extraction bag is also increased. There were also problems such as the increase in size and the economic disadvantage.

[0003]

SUMMARY OF THE INVENTION An object of the present invention is to provide a beverage extraction bag in which the operation of locking the extraction bag to a container such as a cup is easy and the operation of extracting the beverage is easy. . Another object of the present invention is to provide a beverage extraction bag which can be easily locked to an upper end portion of a container such as a cup and has a high beverage extraction efficiency.

[0004]

SUMMARY OF THE INVENTION According to the present invention, the end of the locking piece of the beverage brewing bag is formed so as to extend outside the shape retaining end of the support, thereby achieving the above object. It was done.

[0005] The beverage extraction bag of the present invention is made of a water-permeable filterable sheet material, has two opposing surfaces and has an opening at the upper end, and one filter bag main body on each side of the filter bag main body. A pair of locking members fixed to each other, wherein the pair of locking members is a pair of supports fixed to both surfaces of the filter bag main body, and from this support along the lateral direction of the filter bag. A pair of locking pieces extending so as to be capable of being raised, the support body supports the locking piece continuously, and a locking piece supporting portion extending in the longitudinal direction of the filter bag; A pair of upper and lower shape retaining portions extending from upper and lower ends of the locking piece support portion along upper and lower sides of the locking piece. In an extraction bag having a plurality of locking recesses, the end of the locking piece is supported by the support bag. Of which stretching out on the outside than the end of the upper and lower shape-retaining portion, and is characterized in that whereby it is easy to cause the locking piece.

[0006] In the extraction bag of the present invention, a bending groove or ridge is formed at a terminal portion of the locking piece in a direction substantially perpendicular to a direction in which the locking piece extends, whereby the locking piece terminal portion is bent. It is preferable that this can be easily grasped and raised. Also,
In the extraction bag of the present invention, it is preferable that a gusset is formed at the bottom of the filter bag main body, and that it is folded inside when not in use. Further, in the extraction bag of the present invention, it is preferable that the bottom portion of the filtration bag main body is formed in an inverted V-shape with a concave inside, and a gusset is formed and folded inside when not in use. Furthermore, in the extraction bag of the present invention, the length of the lower shape retaining portion may be shorter than the length of the upper shape retaining portion. In the extraction bag of the present invention, the substance to be extracted may be contained in the filter bag body, and an upper end opening of the filter bag body may be sealed.
In such an extraction bag of the present invention, the substance to be extracted may be coffee powder, and a tearing perforation may be formed at a sealing upper end of the filter bag body.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of a beverage extraction bag according to the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is an explanatory front view of an embodiment of the beverage extraction bag of the present invention,
The filter bag main body 2 of the extraction bag 1 is made of a water-permeable and filterable sheet material, and has two face parts facing each other, that is, a front face part 3 and a back face part 4. Front and back part 3,
A pair of locking members 5 is fixed to each of the pair 4. It is preferable that the center of the locking member 5 is arranged above the center of each of the front and back portions 3 and 4 of the filtration bag main body 2. Upper end 6 of filter bag body 2
Is open until the extraction target is accommodated in the filter bag main body 2 and sealed. Further, it is preferable that a gusset 7 is formed at the bottom of the filter bag main body 2, and when the extraction bag is not used, it is folded inward, and the folded end 7a is indicated by a dotted line in FIG. .

In the extraction bag of the present invention, each of the pair of locking members 5 is, as shown in FIG. 1, a support 8 fixed to one surface of the filter bag main body 2 and a support 8. And a locking piece 9 extending so as to be able to be raised along the lateral direction of the filter bag body. The support 8 continuously supports the locking piece 9, and engages with a locking piece supporting portion 8 a extending in the longitudinal direction of the filter bag main body 2 and upper and lower ends of the locking piece supporting portion 8 a. It has a pair of upper and lower shape retaining portions 8b and 8c extending along the upper side and the lower side of the stopper 9. Each of the pair of locking pieces 9 is formed with one locking recess 9a. Such a locking piece 9 is formed by cutting the locking member 5 so that the locking piece 9 is continuous only with the support 88 of the locking piece support portion 8a and can be separated from the shape retaining portions 8b and 8c. Can be formed by

In the extraction bag 1 of the present invention, the end portion 9b of the locking piece 9 extends outward beyond the ends of the upper and lower shape retaining portions 8b and 8c. It is very easy to cause the piece 9 to be raised. Although there is no particular limitation on the shape and size of the end portion 9b of the end portion 9b, its width (between the ends of the upper and lower shape retaining portions 8b and 8c and the ends of the locking pieces as shown in FIG. 1) Is preferably 2 to 15 mm.
Further, the end of the locking piece end portion 9b may reach one side edge 12 of the filter bag main body 2, or may extend slightly outside thereof. When the end portion 9b of the locking piece 9 is formed as described above, the end portion of the locking piece can be easily grasped and raised. As shown in FIG. 1, a bending groove or ridge 9c is formed in the locking piece end portion 9b in a direction substantially perpendicular to the extending direction (lateral direction of the container body 2). The bent groove or ridge (9c) may be used to bend the retaining piece end portion 9c to grip it and easily cause this.

When the material to be extracted is accommodated in the filter bag main body 2 and the upper end 6 of the filter bag main body 2 is sealed, a tear perforation 6a is provided at the sealed upper end, and the perforation is provided. Along the way, the sealing upper end may be easily torn. Alternatively, instead of the tear perforations, the upper ends of the front and rear portions may be peelably adhered or fused.

The water-permeable filter sheet forming the filter bag body of the extraction bag of the present invention is a water-resistant filter sheet, for example, a synthetic fiber nonwoven fabric manufactured by a melt blow method, a spun bond method or a thermal bond method. It is preferable to use a paper sheet or the like manufactured by a blending method including an adhesive component, and these may be used alone.
Alternatively, it may be used as a composite of two or more. Further, the kind of the polymer contained in the filter sheet is not particularly limited as long as the above-described sheet manufacturing method can be applied. Among them, a polyolefin-based material that does not leak fine particles contained in the raw material to be extracted and that has excellent oil and fat adsorptivity is preferable, and it is also preferable to use other polyester-based or polyamide-based materials. Among them, it is most preferable to select polyethylene or polypropylene. Further, the material forming the locking member is a sheet material that has sufficient water resistance for practical use, is easily deformed (curved), and can maintain its shape, for example, a slightly thick white paperboard, a paper cup sheet. Alternatively, it can be selected from a plastic sheet or the like. The support of the locking member is adhered to the filter bag main body, and this adhesive layer needs to have practically sufficient water resistance, for example, a heat-adhesive polyolefin resin, ethylene / ethylene acrylate resin. It is preferably formed of a resin, an ethylene / vinyl acetate resin, a polyester resin, or the like.

FIG. 2 shows a situation in which extraction is performed using the extraction bag of the present invention. In FIG. 2, when the upper end of the filtration bag main body 2 is sealed, it is opened,
The end portion 9 of the pair of locking pieces 9 on the front surface portion 3 and the back surface portion 4 of the filtration bag main body 2 is gripped, and this is fixed to the locking piece 9 and the locking piece support portion 8.
It is bent outward at the boundary line with a to raise the locking piece 9. The raising operation of the locking piece 9 is performed by bending line 1
This is performed by pivoting the locking piece 9 outward around the axis 1 and pulling the other side of the front and back portions 3 and 4 of the filter bag main body 2 across the other connection side edge 12 thereof. By this operation, the upper end of the filter bag naturally opens. When a gusset 7 is formed at the bottom of the filter bag, the gusset 7 is also extended as shown in FIG. Moreover, the upper and lower shape retaining portions 8b and 8c of the support portion 8 are easily deformed with the expansion of the filter bag main body 2, and can hold the filter bag main body 2 in the expanded shape even when the expansion force is released. .

The locking member of the extraction bag of the present invention includes various embodiments shown in FIG. In FIG. 3, one or more reinforcing ridges 10 extending in the longitudinal direction are formed in the locking line supporting portion 8a of the support body 8 so that the locking piece supporting portion 8a is formed.
a may be reinforced. The reinforcing ridge 10 may extend continuously from the upper end to the lower end of the locking piece supporting portion 8a, or may be divided into two or more pieces to form an intermittent ridge. The reinforcing ridge 10 may be formed in a corrugated shape (a back side of the ridge forms a groove).

In the extraction bag of the present invention, a bending line may be formed at the boundary between the locking piece 9 and the locking piece supporting portion 8a, and this bending line is indicated by a dotted line in FIG. As it is, the bending groove or ridge is continuous,
Alternatively, it may be formed intermittently.

[0015] In the locking member of the extraction bag of the present invention,
As shown in FIG. 3, one or more reinforcing ridges 13 extending substantially parallel to the extending direction (lateral direction of the filter bag main body) may be formed on the locking piece 9. Such a reinforcing ridge 13 is formed such that the extraction bag is formed by the locking recess 9 a of the locking piece 9.
When locked to the upper edge of a container such as a cup at
This is effective to reinforce the locking piece 9 so as to prevent deformation, and to hold the extraction bag at a desired position and posture. There is no special limitation on the number of ridges for locking piece reinforcement,
One or more, preferably 2 to 7 parallel to each other, more preferably 2 to 5 parallel. As shown in FIG. 3, the reinforcing ridge 13 extends from the locking recess 9 a of the locking piece 9 to the distal end 9.
b, or may be formed so as to be distributed over the entire locking piece 9. The reinforcing ridge may be formed in a corrugated shape. When the ridge for reinforcing the locking piece support or the ridge for reinforcing the locking piece is formed by embossing the sheet for forming the locking member, the obtained ridge is compressed, so that the density is increased and the bending rigidity is increased. Therefore, the reinforcing effect is further enhanced.

In the extraction bag of the present invention, as shown in FIG.
8c may be formed such that the length of the lower shape retaining portion 8c is shorter than the length of the upper shape retaining portion 8b. This makes it easier to raise the locking piece 9. Further, in this case, when the gusset is formed at the bottom of the extraction bag, the expansion of the bottom gusset at the time of use of the extraction bag is not hindered by the lower shape retaining portion 8c, so that it can be performed more easily. become able to.

4 (A) and 4 (B), the bottom 2a of the filter bag main body 2 is formed in an inverted V shape so as to be concave inward. When a gusset 7 is formed at the bottom, such a gusset at the bottom forms a rhombus in which two triangular planes intersect at an angle at the bottom ridgeline 16 as shown in FIG. I do. Such an inverse V
When the extract is permeated through the filter bag using the filter bag main body 2 having the V-shaped bottom 2a, the downstream of the extract is divided into two at the ridgeline 16 and is also converged at the two apexes 17 at the bottom. Liquid permeation can be promoted.

In the case of using the extraction bag of the present invention, the locking piece can be easily raised by grasping the end of the locking piece. At this time, as described above, since the force for expanding the front and back surfaces of the filter bag main body is exerted on the front and back surfaces of the filter bag main body by the operation of causing the locking piece, the upper end of the filter bag main body is opened and folded again. The gusset at the bottom spreads. Next, as shown in FIG. 5, when the locking recess 9a of the pair of locking pieces 9 is engaged with the upper edge 15a of the container 15 such as a cup, the filter bag main body becomes the shape retaining portion 8b, 8c, it is stably held in a container such as a cup while being kept in its open state. At this time,
By appropriately adjusting the opening angle of the pair of locking pieces 9 according to the shape and size of the container such as a cup, the engagement with the cup 15 can be appropriately performed.

When the substance to be extracted 14 is stored in the extraction bag in advance, desired extraction can be performed by injecting water or hot water from the upper open end. When the material to be extracted is not stored in the extraction bag in advance, the extraction bag is opened and locked in a container. Or pour hot water to extract. When a gusset is provided at the bottom of the filter bag body, the filter bag body expands into a cylindrical shape or an elliptic cylindrical shape, and this shape is stabilized by the reinforcing ridge provided on the locking piece support portion. Since the locking pieces are held substantially vertically, the stability of the support state of the filter bag body by the locking pieces is improved, and an efficient steaming effect is given to the material to be extracted. Can be. Further, when a reinforcing ridge is formed on the locking piece, the locking piece can be further reinforced and the locking state can be further stabilized.

[0020]

In the beverage brewing bag of the present invention, since the end of the locking piece extends outside the support of the locking member, the end is grasped to easily cause the locking piece. be able to. The beverage brewing bag of the present invention can safely engage the upper edge of a container such as a cup to perform a brewing operation.

[Brief description of the drawings]

FIG. 1 is an explanatory front view showing a configuration of an example of a beverage extraction bag of the present invention.

FIG. 2 is a perspective explanatory view showing a state in which a locking piece of the beverage extraction bag of the present invention shown in FIG. 1 is raised, an upper end is opened, and a bottom gusset is extended.

FIG. 3 is a configuration of an example of a beverage extraction bag locking member according to the present invention.

FIG. 4 (A) is a partial front view showing an example of the bottom of the beverage extraction bag of the present invention, and FIG. 4 (B) is FIG.
It is a bottom view explanatory drawing of the bottom part of (A).

FIG. 5 is an explanatory perspective view showing a state in which the beverage extraction bag of the present invention is engaged with a cup.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Extraction bag 2 ... Filtration bag main body 2a ... Reverse V-shaped bottom part 3 (4) ... Front (back) surface part 5 ... Locking member 6 ... Upper end opening 6a ... Upper end tearing perforation 7 ... Bottom gusset 7a ... Folded end of gusset 8 Support 8a Locking piece support 8b, 8c Vertical holder 9 Locking piece 9a Locking concave 9b End 9c Bending groove 10 Reinforcing ridge 11 Bending Line 12: Front and rear connection side edges 13: Reinforcing ridges 14: Material to be extracted (coffee, etc.) 15: Cup 15a: Cup top edge 16: Ridge 17: Bottom vertex

Continued on the front page (51) Int.Cl. ⁶ Identification code FI B65D 81/34 B65D 81/34 G

Claims (7)

[Claims] 1. A filter bag main body (2) made of a water-permeable filterable sheet material, having two face portions (3, 4) facing each other and having an opening (6) at an upper end; A pair of locking members (5) fixed one by one to both sides of the bag body, wherein the pair of locking members comprises a pair of supports (8) fixed to both sides of the filtration bag body; A pair of locking pieces (9) extending from the support in the same direction so as to be able to be raised along the lateral direction of the filter bag, and the support is connected to the locking piece continuously. And a locking piece support portion (8a) extending in the longitudinal direction of the filter bag, and upper and lower portions extending from upper and lower ends of the locking piece support portion along upper and lower sides of the locking piece. A pair of shape retaining portions (8b, 8c),
Each of the pair of locking pieces is provided with one locking recess (9).
In the extraction bag having a), the end portion (9b) of the locking piece extends outward from the end of the upper and lower shape-retaining portion of the support, so that the locking piece can be easily caused. An extraction bag, characterized in that there is. 2. An end portion (9b) of the locking piece (9) includes:
A bending groove (9c) is formed in a direction substantially perpendicular to the extension direction, whereby the end of the locking piece can be bent and easily gripped and raised. 2. The extraction bag according to 1. 3. The extraction bag according to claim 1, wherein a gusset (7) is formed at the bottom of the filter bag body, and is folded inside when not in use. 4. The filter bag body according to claim 1, wherein a bottom (2a) of the filter bag body is formed in an inverted V-shape with a concave inside, and a gusset (7) is formed, which is folded inside when not in use.
An extraction bag according to 1. 5. The extraction bag according to claim 1, wherein a length of the lower shape retaining portion (8c) is shorter than a length of the upper shape retaining portion (8b). 6. The filter bag body according to claim 1, wherein the material to be extracted is contained in the filter bag body, and an upper end opening of the filter bag body is sealed. Extraction bag. 7. The method according to claim 6, wherein the substance to be extracted (14) is coffee powder, and a perforation (6a) for tearing is formed at a sealed upper end of the filter bag body (2). Extraction bag.