JP2009247752A - Beverage bag and its manufacturing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To sufficiently suppress complicacy of the manufacturing work of a tea bag 1, and drastically improve the productivity of the tea bag 1. <P>SOLUTION: A bag body 5 constituted by bonding by heat-pressing peripheral parts 7a, 9a of a pair of bag constituting sheets 7, 9 in the state that a pair of the bag constituting sheets 7, 9 made of a mesh-like synthetic resin are overlapped, and a hanging piece 11 integrally formed so as to connect a pair of the bag constituting sheets having a folded central part are provided. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a beverage bag used for extracting a beverage such as black tea, Japanese tea, oolong tea or coffee in a cup and a method for producing the same.

  In recent years, various developments have been made in tea bags (one of beverage bags) (see Patent Document 1 and Patent Document 2), and the configuration and the like of commercially available general tea bags are as follows. .

  That is, a general tea bag is provided with a bag body containing tea leaves as an extraction raw material, and this bag body is made of a water-permeable nonwoven fabric or non-woven paper. Further, one end of a hanging strap (down strap) is attached to the upper portion of the bag body, and this hanging strap is made of synthetic fiber. Furthermore, a knob piece is attached to the other end of the hanging strap, and this knob piece is made of paper.

Therefore, hold the knob and put the bag into the cup. Then, hot water is poured into the cup with the handle held by hand or with a part of the string hung outside the cup. Thereby, black tea etc. can be extracted in a cup.
JP 2005-135791 A JP 2006-238906 A

  By the way, in a general tea bag, as described above, a hanging string made of synthetic fiber is attached to a bag made of a water-permeable nonwoven fabric or non-woven paper, etc. In addition to the steps relating to the formation of the bag body, a step of attaching the hanging strap to the bag body is added to the series of steps. Therefore, there is a problem that tea bag manufacturing work is complicated, and it is difficult to dramatically improve tea bag productivity.

  Then, an object of this invention is to provide the drink bag of a novel structure which can solve the above-mentioned problem, and its manufacturing method.

  A first feature of the present invention (feature of the invention described in claim 1) is that a beverage bag used when a beverage is extracted into a cup is overlapped with a pair of bag-shaped sheets made of a mesh-like synthetic resin. In this state, it is formed by thermocompression bonding between the peripheral portions of the pair of bag constituent sheets, and is integrally formed so as to connect the bag body containing the extraction raw material (beverage raw material) and the pair of bag constituent sheets, The gist of the invention is that it includes a suspension piece made of a mesh-like synthetic resin and having a central portion bent.

  The beverage includes black tea, Japanese tea, oolong tea, or coffee, and the extraction raw material includes black tea leaf, Japanese tea leaf, oolong tea leaf, or coffee powder. The beverage bag includes a tea bag.

  According to the first feature, the bag is placed in the cup by holding a part of the hanging piece by hand. Then, hot water is poured into the cup in a state where a part of the hanging piece is held by hand or a part of the hanging piece is hung outside the cup. Thereby, the said drink can be extracted in the said cup.

  Further, the bag body is configured by thermocompression bonding between peripheral portions of a pair of the bag-constituting sheets made of a mesh-shaped synthetic resin, and the suspension piece made of the mesh-shaped synthetic resin has a pair of the bag-constituting sheets. Since it is integrally formed so as to be connected, the step of attaching the hanging piece corresponding to the hanging strap of the above-mentioned general tea bag to the bag body can be omitted from a series of steps relating to the production of the beverage bag. .

  The gist of the second feature of the present invention (feature of the invention described in claim 2) is that, in addition to the first feature, the suspension piece is configured in a loop shape.

  The third feature of the present invention (feature of the invention described in claim 3) is summarized in that, in addition to the first feature or the second feature, the extraction raw material is compressed and solidified.

  A fourth feature of the present invention (feature of the invention described in claim 4) is a dough made of a mesh-like synthetic resin in a production method for producing a beverage bag used when a beverage is extracted into a cup. A first step of integrally forming a pair of bag-constituting sheets and a suspension piece connecting the pair of bag-constituting sheets, and an inner surface of one of the bag-constituting sheets after completion of the first step A second step of setting the extraction raw material (beverage raw material) in the second step, and a third step of folding the pair of the bag-constituting sheets by bending the central portion of the hanging piece after the end of the second step; After the completion of the third step, the gist comprises four steps of forming a bag body including the extraction raw material by thermocompression bonding of the peripheral portions of the pair of bag-constituting sheets.

  According to the fourth feature, after cutting the cloth made of mesh-shaped synthetic resin and integrally forming the pair of bag constituent sheets and the hanging pieces, the peripheral portions of the pair of bag constituent sheets are thermocompression bonded together Then, in order to form the bag body containing the extraction raw material, the hanging piece corresponding to the above-mentioned general tea bag suspension string is attached to the bag body from a series of steps relating to the production of the beverage bag. The process can be omitted.

  According to the present invention, from the series of steps related to the production of the beverage bag, the step of attaching the hanging piece corresponding to the above-described general hanging strap of the tea bag to the bag body can be omitted. The productivity of the beverage bag can be drastically improved while suppressing complication of work.

(First embodiment)
A first embodiment of the present invention will be described with reference to FIGS.

  Here, FIG. 1 is a perspective view of the tea bag according to the first embodiment of the present invention, and FIG. 2 shows a state in which the hanging piece of the tea bag according to the first embodiment of the present invention is hooked on the handle of the cup. It is a perspective view.

  As shown in FIG.1 and FIG.2, the tea bag 1 which concerns on 1st Embodiment of this invention is used when extracting black tea (an example of a drink) in the cup 3, Comprising: One drink bag One. And the specific structure of the tea bag 1 which concerns on embodiment of this invention is as follows.

  The tea bag 1 is provided with a bag body 5 containing a compressed and solidified tea leaf M as an extraction raw material. Moreover, the bag body 5 is comprised by carrying out the thermocompression bonding of the peripheral part 7a, 9a of a pair of bag structure sheet | seats 7,9 in the state which piled up a pair of bag structure sheet | seats 9,9, The bag-constituting sheets 7 and 9 are each made of a mesh-like synthetic resin such as polypropylene mesh.

  In addition to the bag body 5, the tea bag 1 includes a hanging piece 11 that is integrally formed so as to connect the pair of bag-constituting sheets 7 and 9. The hanging piece 11 is a mesh-like synthetic material such as a polypropylene mesh. It consists of resin. Further, the central portion 11 a of the hanging piece 11 is bent, and the hanging piece 11 is configured in a loop shape so that it can be locked to the handle 13 of the cup 3. Furthermore, both end portions (one end portion 11b and the other end portion 11c) of the hanging piece 11 are thermocompression bonded.

  Then, the effect | action and effect of 1st Embodiment of this invention are demonstrated.

  Holding the part of the hanging piece 11 by hand, the bag body 5 is put into the cup 3. Then, hot water is poured into the cup 3 with a part of the hanging piece 11 held by hand or with a part of the hanging piece 11 hung outside the cup 3. Thereby, black tea can be extracted in the cup 3. Here, when a part of the hanging piece 11 is hung outside the cup 3, the hanging piece 11 is locked to the handle of the cup 3, so that when the hot water is poured into the cup 3, the whole hanging piece 11. Can be prevented from entering the cup 3.

  Further, the bag body 5 is configured by thermocompression bonding of the peripheral edge portions 7a and 9a of the pair of bag-constituting sheets 7 and 9 made of mesh-like synthetic resin, and the hanging pieces 11 made of mesh-like synthetic resin are paired with each other. Since the bag-constituting sheets 7 and 9 are integrally formed, the suspension piece 11 corresponding to the above-described general tea bag suspension string is attached to the bag body 5 from a series of steps relating to the manufacture of the tea bag 1. The process can be omitted.

  Furthermore, since the tea leaf M is compressed and solidified as an extraction raw material, the tea leaf M can be prevented from protruding from the bag-constituting sheets 7 and 9 when the tea bag 1 is manufactured.

  Therefore, according to 1st Embodiment of this invention, the process of attaching the hanging piece 11 equivalent to the hanging string of the above-mentioned general tea bag to the bag body 5 from a series of processes regarding manufacture of the tea bag 1 is omitted. In addition, since the tea leaf M can be prevented from protruding from the bag-constituting sheets 7 and 9 when the tea bag 1 is manufactured, the manufacturing operation of the tea bag 1 can be sufficiently suppressed, The productivity of the bag 1 can be dramatically improved.

  In addition, by holding the hanging piece 11 to the handle 13 of the cup 3, when pouring hot water into the cup 3, the whole hanging piece 11 is prevented from entering the cup 3. The convenience of 1 can be improved.

(Second Embodiment)
A second embodiment of the present invention will be described with reference to FIGS.

  Here, FIG.3 and FIG.4 is a figure explaining the manufacturing method of the tea bag which concerns on 2nd Embodiment of this invention.

  As shown in FIG.3 and FIG.4, the manufacturing method of the tea bag which concerns on 2nd Embodiment of this invention is a manufacturing method for manufacturing the tea bag 1 which concerns on 1st Embodiment, Comprising: Manufacture of a beverage bag One of the methods. And the manufacturing method of the tea bag which concerns on 2nd Embodiment of this invention is equipped with the following processes.

(i) First Step As shown in FIGS. 3 (a) and 3 (b), using a cutting device (not shown), a pair of fabrics T made of a mesh-like synthetic resin such as polypropylene mesh is cut. The bag constituting sheets 7, 9 and the pair of bag constituting sheets 7, 9 can be integrally formed.

(ii) Second Step After the completion of the first step (i), as shown in FIG. 3 (c), the inner surface of one bag constituting sheet 7 (represented toward the paper surface in FIG. 3 (c)). On the side), the compressed and solidified tea leaf M is set as an extraction raw material.

(ii) Third Step After the completion of the second step (ii), as shown in FIG. 4A, the central portion 11a of the hanging piece 11 is bent and the pair of bag-constituting sheets 7 and 9 are stacked. Match.

(iv) Fourth step (iii) After the completion of the third step, as shown in FIG. 4 (b), the peripheral edges of the pair of bag-constituting sheets 7, 9 using a thermocompression bonding apparatus (not shown) The parts 7a and 9a are thermocompression bonded together, and the one end 11b and the other end 11c of the hanging piece 11 are thermocompression bonded. Thereby, the bag 5 including the black tea leaf M compressed and solidified can be formed.

  The manufacture of tea bag 1 is thus completed.

  Then, the effect | action and effect of 2nd Embodiment of this invention are demonstrated.

  After the fabric T made of a mesh-shaped synthetic resin is cut and the pair of bag constituent sheets 7 and 9 and the suspension piece 11 are integrally formed, the peripheral portions 7a and 9a of the pair of bag constituent sheets 7 and 9 are pressure-bonded to each other. In order to form the bag body 5 containing the compressed and solidified black tea leaves M, the hanging pieces 11 corresponding to the above-described general tea bag hanging straps are bagged from a series of steps relating to the production of the tea bag 1. The process of attaching to the body 5 can be omitted.

  Moreover, since the tea leaf M is compressed and solidified as an extraction raw material, when manufacturing the tea bag 1, specifically, the tea leaf M is set on the inner surface of one bag constituent sheet 7, or a pair of When the bag constituent sheets 7 and 9 are overlapped, the tea leaf M can be sufficiently prevented from protruding from the bag constituent sheets 7 and 9.

  Therefore, according to 2nd Embodiment of this invention, the process of attaching the hanging piece 11 equivalent to the hanging string of the above-mentioned general tea bag to the bag body 5 from a series of processes regarding manufacture of the tea bag 1 is omitted. In addition, since the tea leaf M can be prevented from protruding from the bag-constituting sheets 7 and 9 when the tea bag 1 is manufactured, the manufacturing operation of the tea bag 1 can be sufficiently suppressed, The productivity of the bag 1 can be dramatically improved.

  The present invention is not limited to the description of the above-described embodiment. For example, as a beverage material to be enclosed in the bag body 5, in addition to tea leaves, Japanese leaves, oolong tea leaves, coffee, etc. are used. It can be implemented in various ways. Further, the scope of rights encompassed by the present invention is not limited to these embodiments.

It is a perspective view of the tea bag which concerns on 1st Embodiment of this invention. It is a perspective view which shows the state which hooked the hanging piece of the tea bag which concerns on 1st Embodiment of this invention on the handle of a cup. It is a figure explaining the manufacturing method of the tea bag which concerns on 2nd Embodiment of this invention. It is a figure explaining the manufacturing method of the tea bag which concerns on 2nd Embodiment of this invention.

Explanation of symbols

M Tea leaf T Dough 1 Tea bag 3 Cup 5 Bag body 7 Bag constituent sheet 7a Peripheral part 9 Bag constituent sheet 9a Peripheral part 11 Hanging piece 11a Central part 11b One end part 11c Other end part 13 Handle

Claims (5)

In the beverage bag used when extracting the beverage in the cup,
In a state where a pair of bag-constituting sheets made of a mesh-shaped synthetic resin are overlaid, the bag body is formed by thermocompression bonding between the peripheral portions of the pair of bag-constituting sheets,
It is integrally formed so as to connect the pair of bag-constituting sheets, is made of a mesh-like synthetic resin, and a hanging piece whose center is bent,
A beverage bag characterized by comprising:   The beverage bag according to claim 1, wherein the hanging piece is configured in a loop shape.   The beverage bag according to claim 1 or 2, wherein the extraction raw material is compressed and solidified. In a production method for producing a beverage bag used when extracting a beverage in a cup,
A first step of integrally cutting a pair of bag-constituting sheets and a pair of the bag-constituting sheets by cutting a cloth made of a mesh-like synthetic resin;
After the completion of the first step, a second step of setting the extraction raw material on the inner surface of one of the bag constituent sheets;
A third step of folding the pair of the bag-constituting sheets by bending the central portion of the suspension piece after the second step is completed;
After the end of the third step, a fourth step of forming a bag body containing the extraction raw material by thermocompression bonding between peripheral portions of the pair of bag-constituting sheets;
A method for producing a beverage bag, comprising:   The method for producing a beverage bag according to claim 4, wherein the extraction raw material is compressed and solidified.

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