JP7376863B1 - drip extraction bag - Google Patents

Abstract

[Problem] The present invention aims to reduce costs by using a bag-making method, and aims to realize the low dripping property and easy usability that were conventionally achieved by this method. [Solution] The folded portion of the support body can be easily assembled, and the bag portion is positioned high above the cup to improve dripping properties and improve stability on the cup, making it easier to set. [Selection diagram] Figure 4

Description

The present invention is a disposable type drip-type brewing bag for regular coffee, etc., which is placed and set on a drinking container, and is a filtration bag that is made of a sheet material that has water-permeable filtration properties and has an opening at the top. A support made of a material such as waterproofed cardboard is attached to this filter bag, and the filter bag is supported and placed over the mouth of a drinking container such as a cup. This is a drip extraction bag that is used by pouring hot water into the coffee powder inside the bag and dripping it.

Conventionally, in order to position and fix the filtration bag over the cup opening, the support attached to the filtration bag is a flexible filtration bag with a rigid support that supports the cup opening over the cup opening. However, the filtration bag is held above the cup opening while forming the bag shape of the filtration bag, but the type of extraction bag that can use a large amount of this support has the filtration bag positioned high above the cup. The extraction bag has a high dripping property without coming into contact with the hot water surface inside the cup, but on the other hand, the extraction bag, which is a bag-made method, has a support attached to the filtration sheet in advance, and this sheet-shaped filtration bag is folded in half. Then, the edges of three sides other than the crease are sealed, and coffee grounds are filled inside.Since this bag making method involves a process of sealing the three sides, the edges of these three sides are pasted together. Because the size of the support is limited to the inside of this space, a large support area cannot be used, and the filtration bag cannot be placed high above the cup mouth. It is not possible to improve the floating drip properties, so there is a tendency to use a hanging method in which the opening of the cup is captured and the filtration bag is placed inside the cup, resulting in a half-drip method in which the bag is half immersed in hot water, resulting in complete dripping. Although there were many issues and restrictions, such as being unsuitable for filtration bags, the bag-making type requires about one-tenth the equipment cost and product cost compared to the filter bag type, which allows the support to extend outward. There were big advantages in that respect.
(B) Types in which the filtration bag is placed above the cup (JP 2004-130104) and JP 2009-96507 have a high bag position, preventing the lower part of the bag from being submerged in the hot water in the cup, making it drip-resistant. Although this method is good, the overall size of the coffee bag is large and the production equipment is also large-scale, resulting in high costs.
(b) In comparison, bag making methods such as (Patent No. 2505959), (Japanese Unexamined Patent Publication No. 11-178720), and (Patent No. 3727270) have the advantage of low cost because the production equipment is about 1/10th of that. However, one of the characteristics of the bag making method is that the sheet material with filterability is attached with a support in advance, and then the sheet material is folded in half and the edges of the three sides are sealed. Since it is a method of filling coffee grounds, the support is sized within the inner range of the sheet material, leaving space around the edges of the three sides to be sealed, so this limited area and size It was difficult to improve the drip performance by creating a three-dimensional overall shape using the supporting body to stabilize the filter bag and positioning the filter bag high above the cup to prevent the bag from submerging in the hot water inside the cup. .
(c) Also, in (Patent No. 3727270), the folds of the support are stretched to form a trapezoidal shape on the cup, and in (JP 2004-130104) and (JP 2009-96507), the support is formed into a boat shape. However, in (Patent No. 3,727,270), the folds of the support are stretched out and fixed at the folded side to stretch and fix the folds of the support. In this method, the folded side may return to its original state, and in (JP 2004-130104) and (JP 2009-96507), the support is opened and fixed in a boat shape using a triangular and small folding part. In the case of this folding method, the fixing force in the folded state is weak, and since the folded state is maintained by the repulsive force, if a force exceeding the repulsive force is applied, it will bend in the folded direction and cannot be fixed.

Patent No. 2505959 JP 11-178720 Patent No. 3727270 JP2004-130104 JP2009-96507 Patent application 2020-28790 Patent application 2018-217745

When the support body 2 forms a box shape, the corner portion 15 of the bag portion 25 drops downward to form a pocket portion 16 on the lower side of the box shape with the support column 11 as the bottom.
When coffee powder or hot water enters the pocket portion 16, the pocket portion 16 expands into a round shape.
By opening the elongated portion 30 that captures the outside of the pocket portion 16 to the outside, the upper side piece 5 of the support column 11 also faces outward in conjunction with the elongated portion 30, forming a box-shaped or upper opening 24. The shape of was transformed from a square to a diamond shape.
In order to prevent this, it was necessary to prevent the pocket portion 16 from expanding outward.

Because the upper opening 24 was created by cutting out the perforations 4 provided at the top of the bag portion 25, the upper end of the upper opening 24 was uneven.
In addition, instead of the perforation method, the upper opening 24 of the bag portion 25 is cut cleanly, the upper opening 24 is closed flat, and the upper opening 24 is temporarily pasted, and when the bag is used, the temporarily pasted upper opening 24 is peeled off. The upper opening 24 became flat, and when filling the bag with coffee powder, the capacity inside the bag became small, making it difficult to close the upper opening 24 and temporarily attach the bag.

A drip extraction bag comprising a sheet material 1 having a water-permeable filtration bag and a support 2,
The support body 2 is made of a hard and bendable thin plate-like material,
The support body 2 is arranged so that an end portion 3 is left around the sheet material 1 when the sheet material 1 and the support body 2 are unfolded, and the sheet material 1 has an adhesive portion. It is pasted and integrated in 22,
The sheet material 1 is provided with a bifold line 18 for folding the entire sheet material 1 in half, passing through the center of the support body 2 from side to side,
The pasted sheet material 1 and support body 2 are bent from the bifold line 18,
In the sheet material 1, the end portions 3 on the other three sides of the side formed by the bifold line 18 are sealed to form a bag portion 25,
The bag portion 25 is configured such that a perforation 4 is provided in the left-right direction on the lower side of the upper end 3, and an upper opening 24 can be provided by breaking the perforation 4. ,
The support body 2 can have a box shape, and when the support body 2 has a box shape, the bag portion 25 can have a bottom portion,
The support body 2 is
a support column 11 disposed on the bifold line 18 and disposed at the bottom when forming a box shape;
a support piece 6 connected to the support column 11 by a front fold 19, including the adhesive part 22, and disposed on the front side when forming a box shape;
a support piece 6 connected to the support column 11 by a rear fold line 21, including the adhesive part 22, and disposed on the rear surface when forming a box shape;
is provided,
Each of the supporting pieces 6 has side pieces 5 on the left and right sides of the upper part connected by a fold line 20,
The side piece 5 includes the adhesive part 22 and is arranged on the left and right side walls when the support body 2 has a box shape,
Each of the support pieces 6 has a wide support arm 10 extending in both left and right directions at a lower portion thereof,
At the lower end of each of the support arms 10, a receiving portion 9 capable of catching the opening of the cup is provided,
The support column 11 has folding pieces 12 connected by folding lines 13 on both left and right sides,
One end of each of the left and right bending lines 13 connects to the front fold line 19,
the other end is connected to the rear fold line 21,
The folding piece 12 is folded down by bending the bending line 13 when the support body 2 forms a box shape.
When the support body 2 is formed into a box shape, the side pieces 5 extend downward from the upper opening 24 side of the bag portion 25 on the side wall to form a side wall, and further have left and right pockets located below the bottom of the bag portion 25. An elongated part 30 extending to the corner part 15 is provided on the outside of the part 16.
From the bending lines 13 on the left and right sides of the support column 11, between the front fold line 19 and the rear fold line 21, folded down pieces 12 extend toward the left and right ends of the support body 2, and the tips of the folded down pieces 12 extend toward the left and right ends of the support body 2. It is a fold-down piece 12 configured to reach the left and right ends of
The cutting line 27 provided on the fold-down piece 12 extends from the tip of the fold-down piece 12 in the direction of the fold line 13 on the bi-fold line 18 that penetrates from side to side, and connects the tip of the fold-down piece 12 with the fold line 13. The cutting line 27 is such that the tip of the cutting line 27 reaches the middle part,
When the support body 2 is shaped like a box, the fold-down piece 12 can be separated from the tip of the cutting line 27 located in the middle of the fold-down piece 12 to the tip side of the fold-down piece 12.
The folding pieces 12 extend from the bending lines 13 provided on the left and right sides of the support column 11 toward the left and right ends of the support body 2, respectively,
When the tips of the fold-down pieces 12 reach the left and right ends of the support body 2 and the fold-down pieces 12 are formed,
On the bi-fold line 18,
Fold down the side of the folded piece 12 that extends from the folded line 13 to the tip of the cutting line 27, which is located in the middle between the folded line 13 and the tip of the folded piece 12. As the fixing part 29 of the piece 12,
The fold-down piece 12 has a side extending from the tip of the cutting line 27 to the tip of the fold-down piece 12 as the holding piece 26 of the fold-down piece 12.
The support body 2 can form a box shape, and in the box shape state,
By folding down the left and right folding pieces 12 downward from the left and right bending lines 13 of the support column 11 constituting the bottom,
The support column 11 and the left and right folding pieces 12 form a downward U-shape.
At this time, at the outer side positions of the left and right folding pieces 12,
The left and right corner portions 15 on the bottom side of the bag portion 25 are lowered below the support column 11, respectively, and the pocket portions 16 are located on the outer sides of the left and right fold-down pieces 12 that are bent downward. constitutes and is located,
A cutting line 27 provided on the fold-down piece 12 extends from the tip of the fold-down piece 12 on the bi-fold line 18, and the tip that reaches the middle part of the fold-down piece 12 extends above the bi-fold line 18. The tip is divided into two parts,
The cutting lines 27 extend on both sides of the bi-folding line 18 and have tip portions forming U-shaped portions 32 facing in the direction of the folding line 13.

When the support body 2 forms a box shape,
The lower end 50 of the support arm 10 extending left and right from the support piece 6 is at the same height as the support column 11 which forms the bottom of the box shape.
The outer guard 7 is configured such that the support arm 10 extends downward from the lower end 50 of the outer guard 7 at the tip of each support arm 10 formed by extending left and right from the support piece 6. and
The inner guard 8 is also provided with the support arm 10 extending downward from the lower end 50 of the support arm 10 on the side of the support column 11.
A receiving portion 9 is formed between the outer guard 7 and the inner guard 8 at a lower end 50.

When the support column 2 forms a box shape, the support column 11 becomes the bottom of the box shape,
At this time, the support pieces 6 provided to extend upward from the front fold line 19 and the rear fold line 21 of the support column 11 respectively have side pieces 5 configured to extend from the upper side to the left and right, connected by the fold line 20,
The elongated portion 30 extending downward from the side piece 5 to the bottom of the support column 11 is located outside the pocket portion 16 that extends downward from the support column 11 and extends to the corner portion 15 to form a pocket. It is attached to section 16,
The holding portion 37 extending from the lower part of the elongated portion 30 has a holding portion 37 that is integrated with the inner guard 8 extending downward from the bottom portion of the support column 11 at the bent portion 38. The elongated portion 30 extends downward from the bottom of the box shape from the left and right side pieces 5 of the support piece 6 extending from the front fold line 19 and the rear fold line 21, respectively. It is attached to the outside of the pocket part 16 that is below the bottom of the shape.
The elongated portions 30 are configured to sandwich the end portions 3 of the bag portion 25 on the outside of the pocket portion 16, and the elongated portions 30 on the front fold line 19 side and the elongated portions 30 on the rear fold line 21 side are arranged facing each other. The elongated portions 30 are integrated with the presser portion 37 at the bent portions 38 of the inner guard 8 located on the front fold line 19 side and the rear fold line 21 side, respectively.

The bag portion 25 extends upward from the mouth upper end portion 40 of the support body 2, and an extending portion 41 is formed and provided.
The upper end 47, which is the opening of the extending portion 41, is closed flat and temporarily pasted to seal it.
The extending part 41 is folded into the upper opening 24 formed by the support 2, and the sealed upper end 47 is located lower inside the upper opening 24 than the upper end 40 of the support 2 located on the front side and the rear side. positioned,

At this time, the left and right upper end portions 42 of the extending portion 41 and the end portion 3 of the bag portion 25 are adhered together.

The extension 41 is integrally attached to the inner wall of the upper opening 24 below the upper end 40 of the upper opening 24 by an attachment part 46 of the extension 41.

When the support body 2 forms a box shape,
In the support column 11, the front and rear support pieces 6 are folded upward, and the left and right fold-down pieces 12 are folded downward, so that the four sides are L-shaped, and the support column 11, which is the bottom of the box, has a high planar shape. It constitutes the hardness of
Each of the support pieces 6 and side pieces 5, which form a box shape at the top with the support column 11 at the bottom, tries to return to its original flat state.
The elongated portion 30 extending to the lower side of the support column 11 has a presser portion 37 extending from the lower side of the elongated portion 30,
This presser portion 37 is integrated with a bent portion 38 of the inner guard 8 that extends below the support column 11.
The support pieces 6 on the front side and the rear side forming a box shape on the upper side of the support column 11 are located such that the elongated portions 30 of the side pieces 5 on the left and right extend to the lower side of the support column 11. ,
The respective elongated portions 30 extending from the support piece 6 side on the front side and the rear side are located facing each other by sandwiching the end portion 3 of the bag portion 25 outside the pocket portion 16. Holding parts 37 extending from the elongated parts 30 are fixed by inner guards 8 extending downward from the lower ends 50 of the support arm 10 on the front fold 19 side and the rear fold 21 side of the support column 11, respectively. Ori,
The outer surface side of the pocket portion 16 located below the bottom support column 11 on the side wall side of the box shape is in a state where the elongated portions 30 of the respective support pieces 6 on the front side and the rear side face each other and are stretched flat. By maintaining this, the upper side wall surface is flattened using the support column 11 as a fulcrum, and the upper box shape and mouth shape are formed and maintained.

The area around the opening of the upper opening 24 formed by the support body 2 is a folded part 49 where the sheet material 1 is folded into the upper opening 24, so the perforations are clean and free of roughness.
A large capacity for filling the bag with coffee powder can be ensured by the extension part 41 extending from the upper end 40 of the upper opening 24, making it easy to fill the bag and sealing the opening of the bag part 25 with the upper end 47. becomes easier,
When opening the opening and using it, there is no need to cut out perforations, just open the upper opening 24, and it is easy to grasp the space of the folded part 45 with your fingers. The upper end portion 40 is located on the front side and the rear side, and by simply grasping the center part of the upper opening 24 and opening it in the front and back direction, the entire upper opening 24 can be opened by the rigidity of the front and rear supports 2. Easy and convenient.

FIG. 2 is a developed view of the present invention. FIG. 2 is a perspective view showing the assembled state of the present invention. FIG. 1 is a perspective view showing the assembled state of the present invention. FIG. 2 is a perspective view showing a state in which the box shape of the present invention is formed. It is a perspective view showing the pocket part of the bag part of the present invention. FIG. 2 is a perspective view showing the state of use of the present invention. FIG. 2 is a perspective view showing a state in which the box shape of the present invention is formed. FIG. 7 is an enlarged perspective view of a folded-down side 12 showing another embodiment of the present invention. FIG. 3 is a perspective view of the upper opening 24 of the present invention before folding. FIG. 2 is a perspective view of the present invention in a folded state. 1 is a perspective view of the present invention in a folded state; FIG.

Embodiments of the present invention will be described below.
(1) A support body 2 made of a hard, bendable, thin plate-like waterproof material is placed on a sheet material 1 having air permeability and filtration properties, with an end portion 3 left around the sheet material 1. The support body 2 is attached to the sheet material 1 by the attachment part 22 and attached integrally.
(2) A bifold line 18 for folding the sheet material 1 to which the support 2 is attached is provided in the center of the support 2 in the left-right direction.
(3) This support body 2 is provided with support pillars 11 constituting the bottom surface to form a box shape, which means that when the sheet material 1 is folded in half to form the bag portion 25, the support body 2 is It is located on the outer surface side of the bag portion 25 and supports and holds the bottom of the bag portion 25 from below.It is located on the lower surface of the bottom of the bag portion 25, and the center portion of the bottom has an elongated shape with a narrow width in the front and back direction. This is the support column 11 that supports the bag portion 25.
(4) This support column 11 is slender and narrow in the front and rear direction, and large spaces are formed on the left and right sides. A long folding piece 12 is provided extending in both sides along the folding line 13, and this folding piece 12 has a wide width between the front fold line 19 and the rear fold line 21, and constitutes a large folding piece 12. The supporting column 11 has a front fold line 19 at the front end thereof elongated in the front-rear direction and a rear fold line 21 at the rear end thereof. Furthermore, support pieces 6 constituting the front and rear side walls extend out from each other.
(5) Side pieces 5 are provided on the left and right sides of the upper side of this support piece 6, respectively, extending through end folds 20, and these side pieces 5 extend further downward to the upper opening 24 of the stretchable bag portion 25. It extends from the bottom side to the bottom side, and forms the left and right side walls when the bag part 25 and the support body 2 form a box shape.Furthermore, this side piece 5 extends to the lower corner part 15. When the elongated portion 30 is provided and a box shape is formed, the elongated portion 30 is placed on the outside of the pocket portion 16 formed by the corner portion 15 of the bag portion 25 and is integrally attached to the pocket portion of the sheet material 1. This is the elongated portion 30 provided as shown in FIG.
(6) Furthermore, support arms 10 are provided on both sides of the lower part of this support piece 6, respectively, extending to the left and right, and the lower ends 50 of the support arms 10 are wide and serve as outer guards for holding and receiving the opening of the cup. 7, an inner guard 8, and a receiving part 9 provided therebetween, forming a receiving part for the cup opening.
(7) Further, the supporting column 11 is fixed flat by stretching the bi-folding line 18 flatly by the folding pieces 12 which are folded downward from the left and right bending lines 13, and fixing the supporting column 11 flatly. A downward U-shaped bottom part is configured to support the constructed bag part 25 from below, and the upward supporting piece 6 and its side pieces 5 constitute a box-shaped wall surface, which supports and holds the bag part 25. A box-shaped bag portion 25 is formed and held on the cup mouth while capturing the cup mouth.
(8) The support column 11 has an elongated shape and a narrow width in the front-rear direction, and bending lines 13 are provided on both sides of the support column 11 so that folding pieces 12 extending long in both sides can be formed. When this fold-down piece 12 is folded down, the left and right corners 15 on the bottom side of the bag part 25 are lowered downward and folded because the support column 11 only catches the center part on the bottom side of the bag part 25. The left and right corner parts 15 of the bottom of the bag part 25 are lowered at positions outside the lowering piece 12 to form a pocket part 16.
(9) The support column 11 has a bi-fold line 18 in the center that is stretched out and formed flat. Each of the fold-down pieces 12 on both sides has the width of the front fold line 19 and the rear fold line 21. The support column 11 is folded downward from the bending line 13 and the support column 11 and the fold-down pieces 12 on both sides form a downward U-shaped shape. and the support piece 6 side that holds the cup opening at its front and rear ends, and the support column 11 supports the bottom of the bag 25 at the height of the opening of the cup 17 while providing a high support that supports its weight. The force is configured in a downward U-shaped configuration.
(10) At this time, since the folded-down piece 12 is bent, a restoring force acts to try to return it to its original state, so that it is perpendicular and faces slightly toward the pocket portion 16 from the bottom, so it is stuck to the top surface of the support column 11. When a large downward force is applied, the fold-down piece 12 basically bends vertically downward in either direction, but the fold-down piece 12 tries to return from the fold line 13 to the folded pocket portion 16 side. Because of the repulsive force, the pocket part 16 is always facing the side, so in order to stop this, the corners 15 at both ends of the bottom side of the bag part 25 are lowered to the outside of each fold-down piece 12 to form the pocket part 16. If coffee powder or hot water enters this pocket portion 16, it becomes a great deterrent, and the weight inside the pocket portion 16 suppresses the action of the fold-down piece 12 trying to return to its original state. 12, the pocket portion 16 can easily catch and hold down the presser piece 26 on the side of the fold-down piece 12 by lever principle, and the fold-down piece 12 is fixed in a downwardly folded state and is completely fixed. I won't be able to go back.
(11) The sheet material 1 is provided with a perforation 4 for forming the upper opening 24 at a position inside the upper end 3 and penetrating the width from side to side.
(12) Fold the entire packaging material made up of the sheet material 1 and the support 2 from the fold line 18 in half, align the three sides of each end 3, and fill it with coffee powder etc. 3 is sealed to form a bag.
(13) When forming this box shape with the support body 2, as shown in FIG. Since each of the fold-down pieces 12 on the left and right sides of the line 13 can be folded down, the elongated part 30 extending below the side piece 5 and used to press down the fold-down pieces 12 is attached to the pocket part 16. When the fold-down pieces 12 located on the outside are folded down together with the pocket portion 16, the left and right fold-down pieces 12 are folded down all at once from the same horizontal flat state as the support column 11, which causes a certain amount of vibration. The coffee powder forming on the support column 11 may be scattered to some extent from the upper opening 24, and in order to prevent this, when the fold-down piece 12 is configured to extend from the bend line 13 of the support column 11, the The fixing part 29 secures the action of the minimum folding piece 12 necessary to extend and fix the folding part line 18, and the holding part 26 on the tip side is separated to the left and right at the cutting line 27. By using the lowering piece 12, the folding piece 12 pushed down together with the pocket part 16 by the elongated part 30 of the side piece 5 opens left and right on the presser piece 26 side and can freely bend to receive the pocket part 15 without folding down all at once. It is made to fold down gradually and flexibly, and also prevents the elongated part 30 that is being pushed down from breaking and becoming inoperable, and the folding-down piece 12 extends long from the fixing part 29 to the presser piece 26 at the tip. The fold-down piece 12 has a structure, and the elongated part 30 catches the long extending presser piece 26 on the tip side, so that the fold-down piece 12 can be easily pushed down together with the pocket part 16 by the principle of a lever. There is.
(14) The folding pieces 12 provided on both sides of the support column 11 extend from the bending line 13 to form a fixing part 29, and serve as a holding piece 26 from the middle part to the tip of the folding piece 12. The holding piece 26 extending from the fixing part 29 has a cutting line 27 on the bifold part line 18, which can be separated and moved freely to form a pocket part. This is to allow the 16 side to be held and bent flexibly.During this movement, the action of pulling vertically and horizontally on the fixed part 29 side towards the bi-fold line 18 side is concentrated, causing cracks and cuts from this fold. If this occurs on the bifold line 18 on the fixed part 29 side, the supporting column 11 cannot be kept flat and fixed by the fixed part 29 of the folding piece 12. To prevent this, as shown in FIG. The tip portion 33 of the cutting line 34 extending from the presser piece 26 on the tip side of the fold-down piece 12 is separated to the left and right in front of the fixing portion 29 and extends to both sides of the bi-folding line 18 to form a U-shaped portion 32. The left piece 35 and the right piece 36, which are separated to the left and right on the tip side, are arranged so that they reach the front of the fixing part 29 so that the force does not concentrate on the fold of the two-fold part line 18 of the fixing part 29. The force of each movement is made to reach the crease of the two-fold line 18 of the fixed part 29 and not concentrate.
(15) When the support body 2 forms a box shape, the support column 11 is the bottom part of the box shape, and this support column 11 is made up of left and right folding pieces 12 and support pieces 6 extending upward from the front and back. The four sides of the support column 11 are L-shaped and each piece is set up to provide strength.
Support pieces 6 extend from the front fold 19 and rear fold 21 of the support column 11, respectively.The side pieces 5 extending left and right from the upper end fold 20 of the support piece 6 form a box-shaped bottom. It has an elongated part 30 extending to the corner 15 of the pocket part 16 which is formed below the support column 11, and this elongated part 30 is located outside the pocket part 16 and is attached to the pocket part 16,
The inner guard 8 is configured by the support arm 10 extending downward from the lower end 50 of the support arm 10 extending left and right from the bottom of each support piece 6 at a position below the bottom of the support column 11. The inner guard 8 is provided at the lower end 50 of the support arm 10 at a position close to the support column 11 side.
A holding part 37 extending from the lower part of the elongated part 30 to the inner guard 8 is integrated with the bent part 38 of the inner guard 8, and the holding part 37 fixes the distance between the elongated part 30 and the inner guard 8. ,
The elongated portions 30 of the side pieces 5 extending from the support pieces 6 on the front fold 19 side and the rear fold 21 side of the support column 11 respectively extend to the bottom side of the box shape with the support column 11 as the bottom, and form pockets. The end portion 3 of the bag portion 25 of the portion 16 is sandwiched between the two portions, and the two portions are positioned facing each other.
When a box shape is formed, the distance between the inner guard 8 and the elongated portion 30 is fixed by the presser portion 37, and when the box shape is formed, the elongated portion extends from the support piece 6 on the rear side at the lower side of the box shape. 30 and the elongated portion 30 extending from the support piece 6 on the front side are pulled together on the outer surface side of the pocket portion 16, and the side wall surface side below the box-shaped bottom is stretched, thereby providing support. The pillar 11 serves as an axis and the box-shaped side wall surface on the upper side is stretched, thereby forming and maintaining the box shape and the shape of the upper opening 24.
At this time, the elongated part 30 and the presser part 37 are fixed to the inner guard 8 side and are pulled on the front and rear sides to prevent the pocket part 16 from expanding outward.
(16) The bag portion 25 is extended upward from the mouth upper end portion 40 constituted by the support body 2, and an extension portion 41 is provided;
The upper end 47 of the extending portion 41 is closed flat and temporarily pasted to seal it.
The entire extension portion 41 is folded into the upper opening 24 formed by the support body 2, and the sealed upper end 47 is located below the upper opening 24 than the upper opening 40, and the opening of the upper opening 24 is The upper end part 40 of the support body 2 is located on the front side and the rear side of the part,
The left and right upper end portions 42 of the extending portion 41 and the left and right end portions 3 of the bag portion 25 are respectively aligned and adhered integrally.
A sticking part 46 of the extending part 41 is stuck to the inner wall side of the mouth part of the upper mouth 24.
To flatten and seal the upper end 47, thermocompression bonding, laser welding, or perforations may be used.

1 Sheet material 2 Support body 3 End part 4 Perforation 5 Side piece 6 Support piece 7 Outer guard 8 Inner guard 9 Receiving part 10 Support arm 11 Support column 12 Fold down piece 13 Bending line 15 Corner part 16 Pocket part 17 Cup 18 Two Folding section line 19 Front fold line 20 Fold line 21 Back fold line 22 Adhesive section 23 Cut line 24 Upper opening 25 Bag section 26 Pressing piece 27 Cutting line 29 Fixing section 30 Elongated section 32 U-shaped section 33 Tip section 34 Cutting line 35 Left piece 36 Right Piece 37 Holding part 38 Bend part 40 Upper end part 41 Extension part 42 Upper end part 43 Opening part 44 Fold-in part 45 Fold-in part 46 Adhesive part 47 Upper end 48 Corner part 49 Bend part 50 Lower end

Claims (2)

A drip extraction bag comprising a bag portion 25 having a front surface and a rear surface, and a support body 2,
The support body 2 can catch the cup mouth part and support the drip extraction bag on the cup mouth part, and the support body 2 is attached and arranged on the front and rear faces of the bag part 25. ,
The bag portion 25 has an extending portion 41 that extends upward from the upper end portion 40 of the support body 2 in an unfolded state;
The upper end 47 on the front side and the upper end 47 on the rear side of the extending portion 41 are flattened and temporarily attached to each other and sealed,
The bag portion 25 is folded along the upper end portion 40 of the support body 2, and the upper end of the folded bag portion 25 forms the upper opening 24,
The sealed upper end 47 is located below the upper end 40.
Drip extraction bag. The bag portion 25 has end portions 3 on the left and right that connect the front and rear surfaces of the bag portion 25 and are located below the upper opening 24,
The extending portion 41 has end portions 42 on the left and right sides that connect the front and rear surfaces of the extending portion 41,
The end portion 3 and the end portion 42 are adhered to each other and are integrated,
The extending portion 41 has an adhesive portion 46 on the front or rear surface,
The sticking part 46 is stuck to an inner wall of the bag part 25 below the upper end part 40.
The drip extraction bag according to claim 1.

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