JP2001112630A - Coffee bag - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the using performance of a coffee bag by smoothly discharging air to the outside from the inside of a bag main body when coffee is brewed. SOLUTION: A coffee bag body 3 is formed into a bag shape consisting of a filter material such as a filter paper, chemical fiber fabric, and a long- length stick 6 entirely made of a synthetic resin is fitted to an opening part 5. The stick 6 is formed of an axial member 7 arranged in a vertical direction, a grasping part 8 is integrally formed at the upper end part of the member and a plane rhombic seating 9 is integrally formed at the lower end part. The stick 6 is hollowed at its intermediate position of a height direction, and a slit 14 is formed at this position. A cork 16 is formed at the part of this slit 14 to tightly close the upper end part of an air vent 15 extended to the lower end of the slit 14 through the inside of the member 7 from the lower surface of the seating 9 and it is removed when this coffee bag 1 is used.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coffee bag capable of extracting coffee from ground coffee grounds so that the original flavor of coffee can be enjoyed.

[0002]

2. Description of the Related Art Recently, coffee bags filled with roasted and ground coffee beans in place of conventional powdered or granular instant coffee have become widespread as commercial products. Various types of coffee bags have been proposed.
No. 5748 is widely used.

[0003] This coffee bag is filled with ground coffee beans, for example, in a state of being immersed in hot water poured into a cup, the hot water is penetrated into the coffee bag, and the coffee grounds into the hot water from the ground coffee beans. It is provided with a bag body made of a filter material that allows extraction of a bag. A stick made of a thin pipe is attached to the upper portion of the bag body, and the stick is gripped, and the bag body immersed in hot water is moved in the cup to extract coffee into the hot water.

According to this coffee bag, air generated from, for example, ground beans in the bag body is discharged to the outside through the inside of a stick made of a thin pipe. The coffee can be relatively easily extracted without floating.

[0005]

However, since the stick portion is formed of a thin straw-shaped pipe, the conventional coffee bag has no rigidity as a whole and easily deforms when immersed in boiling water. It is said.

Further, since the pipe-shaped stick extends to the inside of the bag body, the air generated at the top of the bag body is not well discharged to the outside from the top of the bag body, and the bag body still floats inside the cup. There was a defect.

[0007] In addition, when the bag body moves in the sealed bag accommodating the bag body before use, the ground coffee inside the bag body moves within the main body, and the powdered ground beans pass through the thin pipe. It was also pointed out that it leaked out.

SUMMARY OF THE INVENTION The present invention has been made in view of such conventional inconveniences, and aims to smoothly discharge air from the inside of a bag body to the outside at the time of coffee extraction, and to improve the use performance of a coffee bag. Is what you do.

[0009]

Means for Solving the Problems To achieve the above object, the present invention fills the inside with ground coffee beans, soaks the hot water in the interior while immersed in the hot water, and removes the hot water from the ground coffee beans. A bag body made of a filter material capable of extracting coffee, and a stick attached to an upper part of the bag body and having a gripping portion on an upper end side, wherein the bag The main body has an opening at the top, at least the inner surface of the opening is formed of a synthetic resin material, the stick is formed of a synthetic resin material as a whole, a pedestal is provided at a lower portion, and a grip portion is provided at an upper portion. Inserted into the opening of the bag body filled with ground coffee beans, the inner surface of the opening is welded to the outer periphery of the pedestal to close the opening, and the stick has an opening inside the bag body at the lower part of the pedestal. ,pedestal A ventilation hole penetrating upward from the inside is formed, and the upper side of the ventilation hole is sealed by a plug when not in use, and the plug is removed during extraction when the bag body is used by immersing it in hot water. This is a coffee bag having an opening at the upper side of the pore so that air in the bag body can be discharged to the outside through the ventilation hole.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIG.
A description will be given with reference to FIG. As shown in FIG. 1, the coffee bag 1 according to the embodiment includes a bag body 3 having an appropriate amount of ground coffee 2 filled therein. The bag body 3 is formed in a bag shape made of a filter material such as filter paper or synthetic fiber, and a band-shaped synthetic resin film 4 is integrally attached to an upper portion thereof.

In the bag body 3, an opening 5 having a flat and flat shape is formed at the center of the belt-shaped synthetic resin film 4 in the longitudinal direction, as shown in FIG. In other words, the filling of the ground coffee beans 2 into the bag body 3 is performed by supplying the ground coffee beans 2 from this portion in advance.

The opening 5 formed above the bag body 3 has a long stick 6 made of synthetic resin as a whole.
Is attached. The stick 6 is formed of a shaft-like member 7 disposed in a vertical direction, and a grip portion 8 is provided at an upper end portion of the shaft-like member 7.
However, pedestals 9 having a flat rhombus shape are integrally formed at the lower end.

The pedestal 9 of the stick 6 has a projecting piece 10 protruding outward at the periphery of the upper end. In the flat rhombus-shaped pedestal 9, the entire outer portion below the protrusion 10 is inserted into the opening 5 of the bag body 3 (see FIG. 1),
The stick 6 is attached to the upper portion of the bag body 3 by welding the inner surface of the opening 5 to the outer portion.

On the outer side of the pedestal 9, there are provided three ridges 11 in the upper and lower stages along the circumferential direction. Furthermore, this ridge 11
A vertical rib 12 is provided in the vertical direction in a state of intersecting with the vertical direction. In addition, a thin fin-like portion 13 is provided at each end in the longitudinal direction of the pedestal 8 made of a flat rhombus in a state of being extended to the outside of the pedestal 9.

The welding of the pedestal 9 to the inner surface of the opening 5
First, the pedestal 9 is inserted into the opening 5 in a state shown in the direction of the arrow in FIG. 1, and the longitudinal direction of the pedestal 9 is made to correspond to the longitudinal direction of the flat opening 5, and the inner surface of the opening 5 is moved to the outside of the pedestal 9. This is performed by thermocompression bonding over the whole of the substrate. At this time, the tops of the ridges 11 and the vertical ribs 12 on the outer side are thermally deformed, and the inner surface of the opening 5,
That is, it is thermally welded to the inner surface of the synthetic resin film 4. Further, the fin-like portion 13 is also thermally welded to the inner surface of the synthetic resin film 4, so that the entire opening 5 is closed.

The stick 6 in which the pedestal 9 is welded to the bag body 3 makes the intermediate height position of the shaft member 7 hollow, and the hollow portion has a slit 14 opened on the outer surface of the shaft member 7. It is said. On the other hand, the vent hole 15 extends vertically on the central axis line below the shaft member 7.
Is pierced. The ventilation hole 15 has its lower end side opened at the center of the lower surface of the pedestal 9, penetrates through the inside of the shaft-like member 7, and extends upward to a hollow portion at the lower end of the slit 14.

Here, the upper end of the ventilation hole 15 is sealed by a rod-shaped plug 16 integrally formed with the stick 6, and the plug 16 is located in a hollow portion in the slit 14. . In addition, the plug 16 is directed obliquely upward with its tip slightly protruding from the slit 14.

Thus, the coffee bag 1 in which the stick 6 is attached to the upper part of the bag body 3 is accommodated in a bag-shaped closed bag (not shown). Then, at the time of use, the portion of the bag body 3 is immersed in a coffee cup 18 which has been taken out of the sealed bag and poured with hot water 17 as shown in FIG.

When the coffee bag 1 is used, the plug 16 integrally formed with the stick 6 is folded with a finger as shown in FIG. 4, and the plug 16 is removed in the direction of the arrow. The Rukoto. Then, the upper end of the ventilation hole 15 is opened above the hollow portion at the lower end of the slit 14, and the air generated from the ground coffee 2 and the air in the bag body 3 are released from the ventilation hole 1.
5 will be discharged to the outside. That is, by discharging the air in the bag body 3 in this manner,
Hot water penetrates into the bag main body 3 without the bag main body 3 floating in the coffee cup 18, and the components of the ground coffee beans 2 are stably and quickly extracted into the hot water 17.

In addition, since the stick 6 is attached to the upper end of the bag body 3, air staying at the uppermost part in the bag body 3 can be discharged to the outside. In addition, since the plug 16 of the stick 6 is located in the slit 14 when not in use, the coffee bag 1
Even if an external force is applied to the sealing bag for packaging the airbag, the airbag 15 can be kept in a closed state until use when the bag is not carelessly bent. In addition, the base end part of the plug 16 may be made thin, so that the plug 16 can be easily folded at the time of use.

[0021]

FIG. 6 shows a stick 20 according to a modification of the stick 6 according to the above embodiment. The stick 20 has the lower end of the ventilation hole 21 opened substantially at the center of the lower surface of the pedestal 9. The ventilation hole 21 is bent inside the pedestal 9 so as to extend upward to the upper surface position of the pedestal 9. I have to. A plug 22 that seals the upper end of the ventilation hole 21 when not in use is provided integrally with the pedestal 9 at the upper end position of the ventilation hole 21.

Further, the shaft member 23 of the stick 20
The stick 20 is vertically formed into a single bar, and the stick 20 is attached to the opening 5 in the upper part of the bag body 3 in the same manner as the coffee bag 1 according to the embodiment. In the coffee bag provided with such a stick 20, it is possible to use the coffee bag by folding the stopper 22 as shown by the arrow at the time of use and opening the upper end of the ventilation hole 21 on the pedestal 9. Other configurations and the like are the same as those of the above-described embodiment, and the description is omitted.

In the above-described embodiments and examples, the pedestals of the sticks 6 and 20 have flat rhombic shapes. However, the pedestals of the sticks 6 and 20 have flat boat shapes corresponding to the shape of the flat opening 5. It may be.

Further, in the above embodiment, the belt-shaped synthetic resin film 4 is integrally attached to the upper portion of the bag body 3, but without such a structure, it is welded to the outer portion of the pedestal 9 of the stick 6. Only the inner surface portion of the opening 5 to be formed may be formed of a synthetic resin material.

Further, the plugs 16 and 22 are configured to be separated from the sticks 6 and 20 in the folded state in the above-described embodiments and examples, but are formed integrally with a synthetic resin material. And stick 6,20
It may be made to stop at.

[0026]

As described above, according to the present invention, at the time of extracting coffee, there is an effect that air can be smoothly discharged from the inside of the bag body to the outside, and the use performance of the coffee bag can be improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a state in which a stick is attached to an upper portion of a bag body of a coffee bag.

FIG. 2 is a front view showing a stick.

FIG. 3 is a side view of the same.

FIG. 4 is a side sectional view showing a state in which the bag body of the coffee bag is immersed in hot water.

FIG. 5 is a front sectional view of a bag body of the coffee bag.

FIG. 6 is a partially broken front view showing a modification of the stick.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 coffee bag 2 ground coffee beans 3 bag body 4 synthetic resin film 5 opening 6, 20 stick 7, 23 shaft-shaped member 8 gripping portion 9 pedestal 10 protruding piece 11 ridge 12 vertical rib 13 fin-shaped portion 14 slit 15, 21 Vent 16, 22 Plug 17 Hot water 18 Coffee cup

Claims (7)

[Claims] 1. A bag body made of a filter material, which is filled with ground coffee beans and is immersed in hot water so as to penetrate the interior and extract coffee from the ground coffee beans. And a stick attached to an upper part of the bag body and having a gripping part at an upper end side, wherein the bag body has an opening at an upper part, and at least the inner surface of the opening. The stick is formed of a synthetic resin material as a whole, and has a pedestal below and a grip portion above, and the pedestal part is inserted into the opening of the bag body filled with ground coffee beans. In addition, the inner surface of the opening is welded to the outer periphery of the pedestal to close the opening, and the stick has a ventilation hole that opens inside the bag body at the lower part of the pedestal and penetrates upward from the inside of the pedestal. Formed, When not in use, the upper side of the pores is sealed with a plug, the plug is removed during extraction by immersing the bag body in hot water, the upper side of the ventilation hole is opened, and air in the bag body is opened. A coffee bag that can be discharged from the pores to the outside. 2. The stick according to claim 1, wherein the stick is formed of a shaft member made of synthetic resin disposed in a vertical direction, a grip portion is formed at an upper end of the shaft member, and a pedestal is formed at a lower end portion. The ventilation hole extends upward from the opening at the center of the lower surface of the pedestal along the central axis of the shaft member, extends to a substantially intermediate height position in the vertical direction of the shaft member, and has a ventilation hole at the extended end. Is sealed by a plug formed integrally with the shaft member when not in use, and at the time of extraction using the bag body by immersing it in hot water, the plug portion is removed by folding with a finger, and the upper side of the vent hole is removed. A coffee bag that can be opened. 3. The base of the stick welded to the upper opening of the bag body has a plane boat shape or a rhombus shape,
2. The coffee bag according to claim 1, wherein a longitudinal direction of the pedestal corresponds to a longitudinal direction of the opening along the flat opening of the bag body, and an outer portion is welded to an inner surface of the opening. 4. The coffee bag according to claim 3, wherein the pedestal is provided with ridges in a plurality of upper and lower stages along a circumferential direction of the outer portion. 5. The coffee bag according to claim 3, wherein a thin fin portion is provided at each end in the longitudinal direction of the pedestal. 6. The coffee bag according to claim 4, wherein a plurality of vertical ribs are formed in a vertical direction so as to intersect with the ridges of the pedestal. 7. The shaft member according to claim 2, wherein the shaft member has a hollow at an intermediate height position in the vertical direction, and the hollow portion is opened on the outer surface of the shaft member. A coffee bag, wherein the stopper is located at the center of the shaft-like member at the lower end of the hollow portion and seals the upper end of the ventilation hole when not in use.