JP2017007720A - Extraction bag and sheet for extraction bag - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an extraction bag in which slight adjustment is not required in a weld condition of a tag to a bag body, the tag is not peeled from the bag body before use of the extraction bag, the tag can be easily peeled from the bag body in a use time and the bag body is not broken.SOLUTION: When a non-connection part 7b of a tag 7 is picked and pulled out, a breakable part 9 is broken, and the non-connection part 7b is separated from a bag body 3 with a thread 5, while leaving a connection part 7a on the bag body 3. The non-connection part 7b is cut from the breakable part 9 and is separated from the connection part 7a, so that it can be easily peeled from the bag body 3 and breakage of the bag body 3 can be prevented. The tag 7 is firmly fixed to the bag body 3 on a fixing part 11 disposed on the connection part 7a, so that the tag 7 can be prevented from being peeled from the bag body 3 before an extraction bag 1 is used.SELECTED DRAWING: Figure 2

Description

  The present invention relates to an extraction bag for black tea, green tea, and the like, and an extraction bag sheet constituting the extraction bag.

  The extraction bag disclosed in Patent Document 1 (name of invention: thread material) is a triangular pyramid (tetrahedron) bag body constituted by a water-permeable sheet, and a thread having one end connected to the bag body, And a tag fixed to the other end of the yarn. Since the tag is weakly connected to the bag body by heat welding using an ultrasonic welding device or the like, the tag can be peeled off from the bag body by picking and pulling the tag. When using the extraction bag, the tag is peeled off from the bag body, and the bag body is suspended with the tag and placed in a cup or the like. And hot water is poured into a cup and tea etc. in a bag body are extracted.

WO2010 / 146716

  If the connection strength of the conventional extraction bag with respect to the extraction bag of the tag is too high, there is a risk that the bag body will be broken and a hole will be opened when the tag is peeled off. The tag may be peeled off from the bag body due to vibration or the like. That is, the tag is not peeled off from the bag body before use of the extraction bag, and can be easily peeled off from the bag body at the time of use, so that the bag body is not damaged. Connection strength is required.

However, the bag body is made of synthetic resin non-woven fabric or mesh material, and in order to set the tag to an appropriate connection strength, it is necessary to make fine adjustments to the welding conditions such as the pressure applied to the welded part and the welding temperature. There is a problem that there is. In particular, the thickness of the non-woven fabric may vary depending on the part, and adjustment to make the coupling strength of the tag always appropriate is considerably difficult.
The present invention has been made paying attention to the above-mentioned conventional problems, and it is not necessary to make fine adjustments to the welding conditions of the tag to the bag body, and the tag is peeled off from the bag body before using the extraction bag. An extraction bag that can be easily peeled off from the bag body during use without damaging the bag body, and an extraction bag sheet used when the extraction bag is manufactured by a bag making and filling machine Is the purpose.

The present invention has been made in order to solve the above-mentioned problems, and the invention of claim 1 includes a bag body that contains an extractable material such as tea and is formed of a water-permeable sheet, and one end portion of the bag body. In an extraction bag having a connected thread, a tag fixed to the other end of the thread, and the tag connected to the bag body by thermal welding,
The tag includes a connection portion that is firmly connected to the bag body, and a non-connection portion that is not connected to the bag body and to which the other end of the thread is fixed. The connection portion and the non-connection portion An easily breakable portion is formed between the two, and the easily breakable portion is broken by pulling the unconnected portion, and the unconnected portion is detached from the bag body together with the thread while leaving the connected portion in the bag body. This is an extraction bag.

  The invention of claim 2 is the extraction bag according to claim 1, wherein the easily breakable portion is formed in a U shape in which a pair of end portions are located at the edge of the tag, and the non-connecting portion is detached from the bag body. The extraction bag is characterized in that a notch is formed in the non-connecting portion, and the non-connecting portion is locked by fitting the notch to an edge of a container such as a cup.

  Invention of Claim 3 is the sheet | seat for extraction bags for forming the extraction bag described in Claim 1 or 2 with a bag making filling machine, Comprising: The sheet | seat used as the structural material of a bag main body, The longitudinal direction of the said sheet | seat And a tag fixed to the other end of the thread, the tag being firmly connected to the sheet, and the sheet. For the extraction bag, wherein the other end of the yarn is not connected to the non-connected portion, and an easily breakable portion is formed between the connected portion and the non-connected portion. It is a sheet.

  In the extraction bag of the present invention, the tag can be prevented from being peeled off from the bag body before the extraction bag is used, and can be easily peeled off from the bag body at the time of use to prevent the bag body from being damaged. can do.

It is a perspective view of the extraction bag which concerns on embodiment of this invention. It is the perspective view of the state which peeled off the tag of the extraction bag of FIG. 1, and unwound the thread wound around the bag main body. It is a perspective view which shows the usage method of the extraction bag of FIG. FIG. 2 is a partially enlarged view of a tag of the extraction bag of FIG. 1 and its surroundings. It is a top view of the sheet | seat for forming the extraction bag of FIG. 1 with a bag making filling machine. It is a top view which shows the connection state with respect to the bag main body of the tag of the extraction bag which concerns on other embodiment.

The extraction bag 1 which concerns on embodiment of this invention is demonstrated according to drawing.
Reference numeral 3 denotes a bag body, and the bag body 3 is formed of a water-permeable sheet made of a synthetic resin nonwoven fabric. The bag body 3 is formed in a triangular pyramid shape (tetrahedron), and contains black tea T as an extraction object.

Reference numeral 5 denotes a thread, and one end 5b of the thread 5 is connected to the bag body 3 by heat welding. The yarn 5 is located substantially at the center in the left-right direction in FIG. 4, and is connected at a welding portion 5 a located near the upper side of the tag 7.
Further, a tag 7 is firmly fixed to the other end of the thread 5, and the tag 7 is constituted by a square paper piece coated on one side with a thermoplastic resin. In FIG. 4, an easily breakable portion 9 is formed on the right side of the tag 7, and this easily breakable portion 9 includes a cut portion 9 a and a link portion 9 b that connects the cut portions 9 a. The easily breakable portion 9 is formed in a U-shape, and a pair of end portions 9 c of the easily breakable portion 9 is located at the edge of the tag 7.

  A region surrounded by the easily breakable portion 9 of the tag 7 becomes a connecting portion 7a, and a region outside the easily breakable portion becomes a non-connecting portion 7b. That is, the easily breakable part 9 is formed between the connecting part 7a and the non-connecting part 7b. The tag 7 is connected to the bag body 3 at the fixing portion 11 by heat welding, and the fixing portion 11 is located at the connecting portion 7a. The fixing portion 5a of the yarn 5 described above is located in the non-connecting portion 7b.

The usage method of this extraction bag 1 is demonstrated.
From the state shown in FIG. 1, the unconnected portion 7b of the tag 7 is picked and pulled. Thereby, the cooperation part 9b of the easily breakable part is cut, the easily breakable part 9 is broken, and the unconnected part 7b is removed from the bag body 3 together with the thread 5 while leaving the connecting part 7a in the bag body 3 as shown in FIG. break away. As a result, a concave portion 13 having a shape corresponding to the connecting portion 7a is formed in the non-connecting portion 7b of the tag 7.

  As described above, the non-connecting portion 7b is disconnected from the easily breakable portion 9 and detached from the connecting portion 7a, so that the connection between the connecting portion 7a and the bag body 3 is not affected. Therefore, it can be easily peeled off from the bag body 3, and the bag body 3 can be prevented from being damaged. Further, since the tag 7 is firmly fixed to the bag body 3 at the fixing portion 11 provided in the connecting portion 7a, the tag 7 can be prevented from being peeled off from the bag body 3 before the extraction bag 1 is used. .

As shown in FIG. 3, the recessed part 13 is fitted to the edge of the cup C, and the non-connecting part 7b is locked. And hot water W is poured into the cup C, and the tea in the bag main body 3 is extracted. Since the non-connecting portion 7b is locked to the edge of the cup C, the non-connecting portion 7b remains in the cup C even when the hot water W is applied to the thread 5 and a force in the direction of pulling the non-connecting portion 7b into the cup C is applied. Can be prevented from falling.
If necessary, the degree of extraction of tea T is adjusted by removing the non-connecting portion 7b from the edge of the cup C and moving the yarn 5 up and down together with the bag body 3.

FIG. 5 shows an extraction bag sheet 15 for forming the extraction bag 1 by a bag making and filling machine.
Reference numeral 16 denotes a sheet which is a constituent material of the bag body 3, and the sheet 16 has a long belt shape made of a nonwoven fabric. A thread 5 is attached to the sheet 16, and the threads 5 are arranged at equal intervals in the longitudinal direction of the sheet 16. One end 5b of the yarn 5 is welded and connected to the sheet, and a tag 7 is fixed to the other end. The connecting portion 7a of the tag 7 is firmly fixed to the sheet 16 at the fixing portion 11 by heat welding. The tags 7 are arranged at an equal interval from each other, and two tags 7 are taken as a set, and the connecting portions 7a of the set of tags 7 are provided so as to face each other.

FIG. 6 shows a tag and a thread according to another embodiment.
In the description of the embodiment shown in the figure, the same reference numerals as those in the above embodiment are used for the same constituent members as those of the extraction bag 1 according to the above embodiment, and the description thereof is omitted.
The tag 17 of (a) is welded to the bag body 3, and a circular easily breakable portion 19 is formed. When the unconnected portion 17b of the tag 17 is detached from the connected portion 17a, a circular hole is formed, and the connected portion 17a becomes circular. The tags described in (b) to (f) below are also welded to the bag body 3 in the same manner as the tag 17.
The easy-to-break part 29 which crosses the tag 27 is formed in the tag 27 of FIG. The unconnected portion 27b becomes a rectangle when detached from the connected portion 27a, and the connected portion 27a becomes a rectangle having a smaller height dimension than the unconnected portion 27b.
The tag 37 of (c) is formed with an arc-shaped easily breakable portion 39 centered on the upper left corner. When the non-connecting portion 37b is separated from the connecting portion 37a, the corner portion is missing from the square in a fan shape, and the connecting portion 37a becomes a fan shape.

In the tag 47 of (d), an easily breakable portion 49 that vertically cuts the tag 47 is formed near the right end portion. The unconnected portion 47b becomes a rectangle when detached from the connected portion 47a, and the connected portion 47a becomes a rectangle having a smaller width dimension than the unconnected portion 47b.
In the tag 57 of (e), an easily breakable portion 59 having a curved shape connecting the upper corner portions is formed. When the non-connecting portion 57b is detached from the connecting portion 57a, the upper end portion of the non-connecting portion 57b is lost in an arcuate shape, and the connecting portion 57a becomes an arcuate shape.
In the tag 67 of (f), an arc-shaped easily breakable portion 69 is formed at the upper end portion. When the unconnected portion 67b is detached from the connected portion 67a, the unconnected portion 67b becomes a square having a circular missing portion with a part missing at the center of the upper end portion, and the connecting portion 67a becomes a circle with a part missing.

The embodiment of the present invention has been described in detail above. However, the specific configuration is not limited to this embodiment, and the present invention can be changed even if there is a design change without departing from the gist of the present invention. included.
For example, in the above embodiment, a bag body formed in a triangular pyramid shape (tetrahedron) is shown, but the present invention is not limited to this and may be applied to a flat bag type bag body. is there.
Of course, the bag body is not limited to a non-woven fabric but may be formed of a mesh material made of synthetic resin.
The extractables are not limited to black tea, but may be green tea, coffee, and shavings.

  The extraction bag of the present invention is manufactured by the bag making and filling machine using the sheet for the extraction bag of the present invention, and has applicability to the tea bag manufacturing industry and the like.

DESCRIPTION OF SYMBOLS 1 ... Extraction bag 3 ... Bag main body 5 ... Yarn 5a ... Welding part 5b ... One end part of thread 7, 17, 27, 37, 47, 57, 67 ... Tag 7a, 17a, 27a, 37a, 47a, 57a, 67a ... Connection part 7b, 17b, 27b, 37b, 47b, 57b, 67b ... Non-connection part 9 ... Easily breakable part 9a ... Notch part 9b ... Cooperation part 9c ... Pair of end part of easily breakable part 11 ... Fixed part 13 ... Recessed part 15 ... Extraction bag sheet 16 ... Sheet T ... Black tea C ... Cup W ... Hot water

Claims (3)

A bag body that contains an extractable material such as black tea and is formed of a water-permeable sheet; a thread having one end connected to the bag body; and a tag fixed to the other end of the thread. In the extraction bag connected to the bag body by heat welding,
The tag includes a connection portion that is firmly connected to the bag body, and a non-connection portion that is not connected to the bag body and to which the other end of the thread is fixed. The connection portion and the non-connection portion An easily breakable portion is formed between the two, and the easily breakable portion is broken by pulling the unconnected portion, and the unconnected portion is detached from the bag body together with the thread while leaving the connected portion in the bag body. An extraction bag characterized by that.   2. The extraction bag according to claim 1, wherein the easily breakable portion is formed in a U-shape in which a pair of end portions are positioned at the edge of the tag, and when the unconnected portion is detached from the bag body, the unconnected portion is notched. The extraction bag is characterized in that the non-connected portion is locked by fitting the notch to the edge of a container such as a cup.   A sheet for an extraction bag for forming the extraction bag according to claim 1 or 2 by a bag making and filling machine, wherein the sheet is a constituent material of the bag body and arranged at equal intervals in the longitudinal direction of the sheet. And one end connected to the sheet, and a tag fixed to the other end of the thread, the tag being firmly connected to the sheet, and the thread not connected to the sheet. An extraction bag sheet, comprising: a non-connecting portion to which the other end is fixed, and an easily breakable portion formed between the connecting portion and the non-connecting portion.

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