JP6473865B2 - Taste beverage extraction bag, manufacturing apparatus and manufacturing method thereof - Google Patents

Description

  The present invention relates to a palatable beverage extraction bag used when brewing coffee, tea, or the like by a drip method, a manufacturing apparatus thereof, and a manufacturing method thereof.

  Conventionally, an extraction bag such as a nonwoven fabric, an object to be extracted filled in the extraction bag, and a support sheet made of paper or the like to be attached to the front and back surfaces of the extraction bag and hooked to the peripheral edge of the upper opening of the cup, Various palatable beverage extraction bags having the above have been proposed. When using such a palatable beverage extraction bag, it is necessary to open the top seal portion and open the upper end side of the extraction bag to expose the extraction object. There are a cut method (Japanese Patent Laid-Open No. 11-178720) and an easy open method.

  The perforation cutting method is a method in which the extraction bag is opened by cutting the upper end side along a perforation formed so as to cross the upper portion of the extraction bag. On the other hand, in the easy open method, as shown in FIGS. 11A and 11B, the seal portion 101 formed on the upper end side of the extraction bag 100 shown in FIG. This is a system in which the extraction bag 100 is opened by peeling the seal portion 101 by pulling the attached support sheets 102 and 103 in both directions (vertical direction in the figure).

  However, in the perforated cut method, the cut upper end side portion becomes dust. On the other hand, in the conventional easy open system, when the support sheets 102 and 103 are pulled in both directions, the seal portion 101 is peeled off at a stretch and the extraction bag 100 is opened. Therefore, as shown in FIG. As a result, the extract 104 may jump out of the extraction bag 100.

JP-A-11-178720

  Accordingly, the object of the present invention is to provide a palatability beverage that does not generate dust by cutting off the upper edge when opening, makes it easy to open the extraction bag, and does not cause the extraction object to jump out of the extraction bag. An object of the present invention is to provide an extraction bag, a manufacturing apparatus and a manufacturing method thereof.

  What achieves the above-mentioned object is an extraction bag having an upper opening and containing an extract inside, and an extraction bag that is attached to the front and rear surfaces of the extraction bag and that is hooked to the peripheral edge of the upper opening of the drinking cup The extraction bag has a top seal portion that seals the upper opening and can be peeled by pulling the extraction bag support sheet in both directions, the top seal portion being lower than the upper portion. This is a palatable beverage extraction bag (Claim 1) characterized in that it has a higher sealing strength.

  It is preferable that the top seal part has a plurality of stages of seal parts in the vertical direction, and the seal part is configured such that the lower the seal part is, the higher the seal strength is (Claim 2). It is preferable that point-peel portions that are difficult to peel off are formed on both lowermost sides of the top seal portion 6 (Claim 3). It is preferable that the lowermost seal part is formed in a linear shape and one end part is connected to the point seal part (Claim 4).

  Moreover, what achieves the said subject is attached to the front surface and back surface of the extraction bag which has an upper opening and accommodates the to-be-extracted object inside, respectively, and is latched by the upper opening peripheral part of a drinking cup An extraction bag support sheet, and the extraction bag has a top seal portion that seals an upper opening and can be peeled by pulling the extraction bag support sheet in both directions, the top seal portion being an upper portion. An apparatus for producing a palatable beverage extracting bag having a lower sealing strength at the lower part, wherein the palatable beverage extracting bag producing apparatus includes a sealing device for forming the top seal portion. The sealing device has a pinching body for pinching and sealing the extraction bag of the palatable beverage extraction bag from the front and the back, and the pinching body of the top seal portion Serial is a manufacturing apparatus of palatability beverage extraction bag, characterized by being configured to pressed between strongly the bottom than the top (claim 5).

  The pinching body has a protruding portion that protrudes toward the extraction bag to be pressed, and the protruding portion protrudes more toward the extraction bag than the upper portion of the top seal portion toward the extraction bag. (Claim 6) is preferable.

  Furthermore, what achieves the said subject is the extraction bag which has an upper opening and accommodated the to-be-extracted object inside, and it attaches to the front and back of this extraction bag, respectively, and is latched by the upper opening peripheral part of a drinking cup An extraction bag support sheet, and the extraction bag has a top seal portion that seals an upper opening and can be peeled by pulling the extraction bag support sheet in both directions, the top seal portion being an upper portion. A method for producing a palatable beverage extraction bag in which the lower portion is configured to have a higher sealing strength, and the palatable beverage extraction bag manufacturing method includes a sealing step for forming the top seal portion. And the sealing step includes a step of forming an upper part of the top seal part of the palatable beverage extracting bag, and a lower part of the top seal part of the palatable beverage extracting bag. A method for producing a palatability beverage extraction bag, characterized in that it has a step of forming higher seal than the seal strength of the top of the top seal portion (claim 7).

According to the bag for extracting a preference beverage according to claim 1 or 2, the upper end side portion is not cut off at the time of opening, and no dust is generated, the opening of the extraction bag is easy, and the extraction object is the extraction bag. It does n’t jump out of it.
According to the taste-extracting beverage extracting bag according to claim 3, the point seal portion functions as a stopper when the top seal portion is opened, and the point seal portion does not peel even if the extraction bag support sheet is pulled in both directions. While maintaining the bag state of the bag, it is possible to further prevent the top seal portion from being peeled off at once and the extractable material from popping out.
According to the palatable beverage extraction bag according to claim 4, the lower seal portion (the lowermost seal portion) is connected to the point seal portion, thereby pulling the extraction bag support sheet in both directions. In addition, since the point seal portion 8 smoothly transitions from the lower seal portion (lowermost seal portion), it is possible to more reliably prevent the top seal portion from being peeled off at once and the extractable material to jump out.
According to the apparatus for producing a palatable beverage extraction bag according to claim 5, it is possible to easily produce the palatable beverage extraction bag having the effects according to claims 1 to 4.
According to the apparatus for manufacturing a bag for extracting a beverage according to claim 6, the apparatus for manufacturing a bag for extracting a beverage according to claim 5 can be configured with a simple structure.
According to the method for producing a palatable beverage extraction bag according to claim 7, it is possible to easily produce the palatable beverage extraction bag having the effects according to claims 1 to 4.

It is a front schematic diagram for demonstrating one Example of the extraction bag for taste drinks of this invention. It is explanatory drawing for demonstrating the opening method of the extraction bag for favorite drinks shown in FIG. It is the plane schematic diagram of the manufacturing apparatus of the extraction bag for taste drinks of this invention. It is the front schematic of the manufacturing apparatus of the extraction bag for taste drinks shown in FIG. It is the right side schematic of the manufacturing apparatus of the extraction bag for taste drinks shown in FIG. It is explanatory drawing of the sealing device in the manufacturing apparatus of the extraction bag for taste drinks shown in FIG. FIG. 7 is an enlarged view of the vicinity of a pinching body of the sealing device shown in FIG. 6. It is an enlarged view of the protrusion part vicinity of the sealing device shown in FIG. It is a front schematic diagram for demonstrating the other Example of the extraction bag for taste drinks of this invention. It is a front schematic diagram for demonstrating the conventional extraction bag for preference drinks. It is explanatory drawing for demonstrating the opening method of the conventional extraction bag for preference drinks shown in FIG.

  In the present invention, an extraction bag 4 having an upper opening 2 and containing an extract 3 therein, and an extraction bag 4 attached to the front surface 4a and the back surface 4b of the extraction bag 4 and hooked on the peripheral edge of the upper opening of the drinking cup The extraction bag 4 has a top seal portion 6 that seals the upper opening 2 and can be peeled by pulling the extraction bag support sheets 5a and 5b in both directions. Since the lower portion 6b has a higher sealing strength than the upper portion 6a, the upper end side portion is not cut off at the time of opening so that no dust is generated, and the opening of the extraction bag is easy. Since the seal part 6 peeled off more smoothly than the upper part 6a, the palatable beverage extraction bag 1 which peeled at a stretch and the extractables would not jump out of the extraction bag was realized.

The palatable beverage extracting bag of the present invention will be described with reference to one embodiment shown in FIG. 1 or FIG.
The palatable beverage extracting bag 1 of this embodiment is attached to an extraction bag 4 having an upper opening 2 and containing an extract 3 therein, and an upper portion of a drinking cup, respectively attached to the front surface 4a and the rear surface 4b of the extraction bag 4. It has extraction bag support sheets 5a and 5b hooked to the peripheral edge of the opening, and the extraction bag 4 can be peeled by sealing the upper opening 2 and pulling the extraction bag support sheets 5a and 5b in both directions. The top seal portion 6 is configured such that the lower seal portion 6 has a higher seal strength than the upper portion 6a. Hereinafter, each configuration will be described in detail.

  The taste-extractable beverage extraction bag 1 is for pouring hot water into roasted and ground coffee beans (extracted product) to brew coffee, and is used by hanging on the peripheral edge of the upper opening of the drinking cup. It is. However, the palatable beverage extracting bag 1 of the present invention is not limited to the drip coffee pack in which the extract is roasted and ground coffee beans, and the extract is not limited to other drinks such as black tea or Japanese tea. What is an extract is also included in the category of the present invention.

  As shown in FIG. 1 or FIG. 2, the extraction bag 4 is formed in a substantially triangular shape (diamond shape in front view) and is provided with an upper opening 2, and roasted and ground coffee beans (extracted) The object extraction space 7 for storing the object 3 is provided.

  The material for forming the extraction bag 4 is not particularly limited as long as it has moderate hot water permeability, but an embossed type non-woven fabric having thermoplastic fibers such as polypropylene fiber or polyester fiber is particularly preferable. . In the embossed type non-woven fabric, the constituent fibers are partially compressed and bonded at the compression site, and the gap between the constituent fibers is reduced and the porosity is reduced at the compression site. Therefore, it is possible to form an extraction bag having appropriate hot water permeability for extracting the extractables.

  Further, as shown in FIG. 1, the extraction bag 4 is made of a non-woven fabric composed of thermoplastic fibers. As shown in FIG. 1, the side edges 4c and 4b of the extraction bag 4 are heat-sealed and adhered to each other. It is formed as a bag-like body. The extraction bag 4 is molded in an open state so that the upper opening 2 is formed at the time of molding, and a predetermined amount of the extraction object 3 is filled in advance through the upper opening 2, and then the front surface 4 a and the rear surface of the extraction bag 4. The inner surfaces of the upper end side 4e of 4b are bonded and sealed (easy seal: easy peelable seal).

Specifically, a top seal portion 6 is formed on the inner surfaces of the upper end side portion 4e of the front surface 4a and the rear surface 4b of the extraction bag 4 by bonding them together.
The top seal portion 6 is configured such that the extraction bag 4 can be peeled off by sealing the upper opening 2 and pulling the extraction bag support sheets 5a and 5b in both directions. The top seal portion 6 is configured such that the lower portion 6b has a higher sealing strength than the upper portion 6a shown in FIG. 1, and thus, the extraction bag 4 can be opened more easily than the conventional easy seal. At the same time, since the top seal portion 6 is peeled off more smoothly than the upper portion 6a, it is possible to prevent the material to be extracted 3 from jumping out of the extraction bag 4 due to peeling at a stretch.

  The top seal part 6 of this embodiment has a plurality of stages (two stages in this embodiment) in the vertical direction (upper part 6a and lower part 6b), and the lower seal part (lower part 6b) is more The seal strength is high. Specifically, the upper portion 6a is formed with a large number of interspersed portions g, and the upper portion 6a is configured to be peelable by pulling the extraction bag support sheets 5a and 5b at 2 to 4 N in both directions. ing. On the other hand, a linear adhesive portion h is formed in the lower portion 6b, and the lower portion 6b is configured to be peelable by pulling the extraction bag support sheets 5a and 5b at 5 to 7 N in both directions. More specifically, in this embodiment, the upper part 6a is configured to be peeled by pulling the extraction bag support sheets 5a and 5b in about 4N in both directions, and the lower part 6b is formed of the extraction bag support sheet 5a, It is configured to be peeled by pulling 5b in both directions at about 6N.

  Although the top seal portion 6 of this embodiment has two stages of seal portions in the vertical direction (lower portion 6b than the upper portion 6a), the present invention is not limited to this, and there are a plurality of vertical seal portions. It includes a wide range of seals having stepped seals, with the lower seals having higher sealing strength. Further, the top seal portion 6 of this embodiment is configured such that the lower the sealing portion, the higher the sealing strength, but the lower sealing portion is configured not gradually, but the lower sealing portion is configured so that the sealing strength is gradually increased. It is included in the category of the present invention. Further, as shown in FIG. 1 (B), the inner surface of the extraction bag 4 near the both sides of the front surface 4a and the back surface 4b, respectively, is provided with a hardly peelable point seal portion 8 as shown in FIG. Is formed. These point seal portions 8 function as a stopper when the top seal portion 6 is opened, and the point seal portion 8 does not peel even if the extraction bag support sheets 5a, 5b are pulled in both directions, and the bag state of the extraction bag 4 is maintained. Further, it is possible to further prevent the top seal portion 6 from being peeled off at once and the object to be extracted to jump out. Further, as shown in FIG. 1 (A), the lower seal portion (lowermost seal portion) 6b is formed in a linear shape and one end portion is connected to the point seal portion 8, whereby an extraction bag support sheet is formed. Even if the 5a and 5b are pulled in both directions, the top seal portion 6 peels off at a stretch and the extract is ejected because the lower seal portion (lowermost seal portion) 6b smoothly transitions to the point seal portion 8. Can be prevented more reliably.

  As a method for forming the top seal portion 6, the inner surfaces of the upper end side portion 4e of the front surface 4a and the rear surface 4b of the extraction bag 4 are brought into surface contact with each other, and the upper end side portion 4e is ultrasonically fused in a spot-like or linear manner. Although a method of bonding is used, the inner surfaces of the front side 4a of the extraction bag 4 and the upper end side portion 4e of the back surface 4b may be bonded to each other by other bonding methods such as a heat fusion method.

  The extraction bag support sheets 5a and 5b are members for hooking and holding the extraction bag 4 on the peripheral edge of the upper opening of the drinking cup, and are attached to the front surface 4a and the back surface 4b of the extraction bag 4, respectively.

  The extraction bag support sheets 5a and 5b of this embodiment are formed of a rigid paper material, and are bonded and fixed to the front surface 4a and the back surface 4b of the extraction bag 4 as shown in FIG. The part 9 is continuous at the center lower part of the adhesive part 9, and the other part has a trigger piece 10 formed by being cut off from the adhesive part 9 by punching. The raising piece 10 is a part that is hooked on the peripheral edge of the upper opening of the drinking cup, and the first hooking part 11 inserted into the reference cup and the outer periphery of the drinking cup straddling the peripheral edge of the upper opening of the drinking cup. A second latching portion 12 disposed in the direction is formed by punching.

Below, the usage method of the taste drink extraction bag 1 of this invention is demonstrated.
In order to use the palatable beverage extraction bag 1, first, the upper opening 2 is attached to the front surface 4a and the back surface 4b of the extraction bag 4 from the state where the upper opening 2 is sealed (easy seal) (FIG. 2A). Further, the lower part of the raising piece 10 of the extraction bag supporting sheets 5a and 5b is grasped and pulled with a light force of about 2 to 4 N toward both sides (the front side and the back side) as shown in FIG. Thereby, the adhesion part g of the upper part 6a of the top seal part 6 mentioned above peels, and the upper opening 2 opens a little. Further, when pulled toward the both sides (the front side and the back side) with a slightly strong force of about 5 to 7 N, the adhesive portion h of the lower portion 6b of the top seal portion 6 described above is peeled off, as shown in FIG. Thus, the upper opening 2 opens greatly. As described above, the palatable beverage extraction bag 1 according to the present invention is configured such that the lower seal 6b has a higher sealing strength than the upper portion 6a, and thus the top seal portion 6 peels more smoothly than the upper portion 6a. Thus, the to-be-extracted object 3 is prevented from jumping out of the extraction bag 4.

  Then, in a state where the upper opening 2 is sufficiently opened (the state of FIG. 2C), the first hooking portion 11 is inserted into the reference cup, and the second hooking portion 12 is inserted into the upper opening peripheral edge of the drinking cup. It is arranged outside the drinking cup across the section, and the palatable beverage extracting bag 1 is hooked on the peripheral edge of the drinking cup. When hot water is poured from above the upper opening 2 of the extraction bag 4 in this state, it is filtered by the extraction bag 4 and the coffee is dripped into the drinking cup.

Furthermore, another embodiment of the palatable beverage extracting bag of the present invention shown in FIG. 9 will be described.
The difference between the palatable beverage extracting bag 20 of this embodiment and the palatable beverage extracting bag 1 described above is that the adhering portion g provided on the upper portion 6a of the top seal portion 6 of the palatable beverage extracting bag 1 is large. The adhesive portion k provided on the upper portion 6a of the top seal portion 6 of the palatable beverage extraction bag 20 is formed in a linear shape, while the other portions are the same. is there. The same reference numerals are given to the same components as the palatable beverage extracting bag 1, and the description thereof is omitted. Thus, the adhesive part provided in the top seal part of the palatable beverage extraction bag of the present invention may be dot-like or linear.

Next, an apparatus for producing a palatable beverage extracting bag according to the present invention will be described with reference to one embodiment shown in FIGS.
An apparatus for manufacturing a taste beverage extraction bag (packing machine) 30 according to this embodiment includes an extraction bag 4 having an upper opening 2 and containing an extraction object 3 therein, and a front surface 4a and a rear surface 4b of the extraction bag 4, respectively. And an extraction bag support sheet 5a, 5b that is attached and hooked to the periphery of the upper opening of the drinking cup. The extraction bag 4 seals the upper opening 2 and extends the extraction bag support sheets 5a, 5b in both directions. Each has a top seal portion 6 that can be peeled by pulling, and the top seal portion 6 is an apparatus for producing a palatable beverage extraction bag 1 in which the lower portion 6b has a higher sealing strength than the upper portion 6a. The apparatus 30 for producing a palatable beverage extraction bag 1 includes a seal device 40 for forming the top seal portion 6, and the seal device 40 attaches the extraction bag 4 of the palatable beverage extraction bag 1 to the front surface 4 a and It has a clamping pressure body 41 to seal nipped from the back 4b, clamping pressure body 41 is constructed as pressed between strongly lower 6b from the upper part 6a of the top seal portion 6. Hereinafter, although each structure is demonstrated one by one, description is abbreviate | omitted as it is as above-mentioned about the bag 1 for a favorite drink extraction.

  The apparatus 30 for producing a palatable beverage extraction bag according to this embodiment fills the extraction bag 4 with the extraction object 3 (roasted and ground coffee beans) and seals the upper end side 4e (the top seal portion 6 is sealed). The packaging machine completes the palatable beverage extraction bag 1.

  Specifically, as shown in FIG. 1, the apparatus 30 for producing a palatable beverage extraction bag has an extraction bag 4 held at both ends by grip pairs 31a and 31b, as shown in FIG. During the intermittent movement of the (first to ninth stations), the extraction object 3 (roasted and ground coffee beans) is filled and the upper end side 4e is sealed (the top seal portion 6 is formed). The beverage extraction bag 1 is a device for mass production.

  The taste beverage extraction bag manufacturing apparatus 30 includes a grip pair 31 that grips the vicinity of both upper ends of the packaging bag A, and a moving body 32 that intermittently moves the grip pair 31 for each of a plurality of steps. A sealing device 40 for forming the stop seal portion 6 is provided at the sixth station where the sealing process is performed.

  The apparatus 30 for producing a palatable beverage extraction bag is provided with a stand (not shown) on the machine base 33 that freely supports an intermittent rotation shaft (not shown) extending in the vertical direction, and the intermittent rotation thereof. On the moving body (disk-shaped rotating body) 32 attached to the upper part of the shaft, a grip pair 31 for gripping or releasing the extraction bag 4 protrudes radially at equal angular intervals around the intermittent rotating shaft. Is provided. The grip pair 31 grips both ends of the extraction bag 4 and moves intermittently together with the moving body 32 for each packaging process. In addition, although this Example is a rotary type packaging machine which drives the mobile body (disk-shaped rotary body) 32 intermittently, it is also possible to apply this invention to a well-known linear movement type packaging machine.

  The packaging process performed in the taste beverage extraction bag manufacturing apparatus 30 is a bag supply process (first operation) for supplying the taste beverage extraction bag 1 (extraction bag 4) not filled with the extractables 3 into the machine (first). Step), posture confirmation step (second step), opening step (third step), extract filling step (fourth step), top seal step (fifth step), and product discharge step (sixth step). .

  Specifically, the bag supply step (first step) is performed at the ninth station, and the grip pair 31a in which the extraction bag 4 sequentially conveyed by the bag supply conveyor 34 is intermittently moved by the bag supply device 35. , 31b are sequentially held. The posture confirmation (second step) is performed at the first station, and is performed by confirming the posture of the extraction bag 4 with a sensor. The opening step (third step) is performed at the third station, and the upper opening 2 is opened by adsorbing the front and back surfaces of the extraction bag 4 supported by the grip pairs 31a and 31b in a vertical posture with suction cups. Is done. The extraction portion filling step (fourth step) is performed at the fourth station and is performed by filling the extraction bag 4 from the filling machine 36 with the extraction target (roasted and ground coffee beans). The top sealing step (fifth step) is performed at the sixth station, and is performed by forming the top seal portion 6 on the inner surface of the upper end side portion 4e of the seal extraction bag 4 by the sealing device 40. The product discharging process (sixth process) is performed at the eighth station, and the palatable beverage extracting bag 1 filled with the extraction object 3 and sealed is discharged to the transport conveyor 37 outside the apparatus. . And in the manufacturing apparatus 30 of a taste drink extraction bag, these series of packaging processes are sequentially performed on the extraction bag 4 supported by the grip pairs 31a and 31b that are intermittently moved by the intermittent rotation of the moving body 32. The palatable beverage extraction bag 1 is configured to be mass-produced. In addition, the 2nd station, the 5th station, and the 7th station in the manufacturing apparatus 30 of a palatable beverage extraction bag are empty stations, and a packaging process is not performed.

  The sealing device 40 installed at the sixth station where the top sealing step (fifth step) is performed is an ultrasonic fusion device, and as shown in FIG. 6, the extraction bag 4 of the palatable beverage extraction bag 1 is front-facing. 4a and a back surface 4b. A sandwiching body (horn) 41 and a sandwiching body (anvil) 42 for sandwiching and sealing from the back surface 4b are provided. The sandwiching bodies 41 and 42 make the lower portion 6b stronger than the upper portion 6a of the top seal portion 6. It is comprised so that it may pinch. Thereby, when opening, the extraction bag 4 can be easily opened, and the top seal portion 6 is peeled off more smoothly than the upper portion 6a, so that the extraction object 3 does not jump out of the extraction bag 4 due to one peeling. The bag 1 for extracting a preference beverage can be manufactured.

  More specifically, the clamping body (anvil) 42 has projections 43 and 44 that project toward the extraction bag 4 side to be clamped, as shown in FIG. As shown in FIG. 8, the top seal portion 6 is configured such that a portion (projecting portion 44) from the upper portion 6 a to the lower portion 6 b projects more toward the extraction bag 4 side. Thereby, since the direction with respect to the lower part 6b (the direction of the protrusion part 44) presses the extraction bag 4 more strongly than the direction with respect to the upper part 6a (the direction of the protrusion part 43), by applying ultrasonic fusion in this state, the top seal The seal strength can be increased with respect to the lower portion 6b rather than the upper portion 6a of the portion 6.

  In FIG. 6, 45 is an ultrasonic transducer, 46a is a horn side cylinder for reciprocating a pinching body (horn) 41 in the horizontal direction and pinching the extraction bag 4 together with the pinching body (anvil) 42, 46b is an anvil side cylinder for reciprocating the clamping body (anvil) 42 in the horizontal direction to clamp the extraction bag 4 together with the clamping body (horn) 41, and 47 is along the guide rail 48 extending in the horizontal direction. A slide guide 49 for holding the reciprocating motion in the horizontal direction of the pressure member (horn) 41, which is attached so as to be able to reciprocate, 49 is attached so as to be able to reciprocate along a guide rail 48 extending in the horizontal direction. These are slide guides for holding the reciprocating motion of the body (anvil) 42 in the horizontal direction, and by these actions, the sealing device 40 is ultrasonically vibrated while sandwiching the extraction bag 4. And it is configured so as to form a Ppushiru portion 6. The sealing device 40 of this embodiment is an ultrasonic fusion device, but the sealing device in the present invention is not limited to this, and may be another sealing device such as a heat fusion device. Furthermore, the manufacturing apparatus 30 for a palatable beverage extraction bag according to this embodiment has one sealing device 40 arranged in one station, and a pressure body (anvil) 42 is arranged vertically and horizontally. Although it has a plurality of projecting portions 43 and 44 having different projecting degrees, the present invention is not limited to this, and the manufacturing apparatus for a palatable beverage extracting bag has a plurality of sealing devices at a plurality of stations, Each of the pinching bodies of the plurality of sealing devices has protrusions with different degrees of protrusion in the horizontal direction, and forms a top seal part having a seal part with different sealing strength in a plurality of steps. Included in the category.

Next, the method for producing a palatable beverage extracting bag of the present invention will be described with reference to an embodiment applied to the palatable beverage extracting bag producing apparatus shown in FIGS.
The method for producing a palatable beverage extraction bag according to this embodiment includes an extraction bag 4 having an upper opening 2 and containing an extract 3 therein, and a drinking cup attached to the front surface 4a and the back surface 4b of the extraction bag 4, respectively. And the extraction bag support sheet 5a, 5b hooked to the peripheral edge of the upper opening of the bag. The extraction bag 4 seals the upper opening 2 and peels by pulling the extraction bag support sheets 5a, 5b in both directions. The top seal portion 6 is a method for producing a palatable beverage extraction bag 1 in which the lower seal portion 6b has a higher seal strength than the upper portion 6a. A sealing process for forming the top sealing portion 6 of the top-seal portion 6 of the palatable beverage extraction bag 1 and a top-sealing of the palatable beverage extraction bag 1. 6 the lower 6b of, and a step of forming higher seal than the seal strength of the top 6a of the top seal portion 6. Hereinafter, although each process is demonstrated one by one, description is abbreviate | omitted because it is as having mentioned above about the bag 1 for taste drink extraction.

  In the method for producing a palatable beverage extraction bag according to this embodiment, the extraction bag 4 is filled with an extraction object 3 (roasted and ground coffee beans), and the upper end portion 4e is sealed (the top seal portion 6 is formed). ) To complete the palatable beverage extraction bag 1.

  Specifically, in the method for producing a palatable beverage extraction bag of this embodiment, as shown in FIG. 1, the extraction bag 4 held at both ends by the grip pairs 31a and 31b is shown in FIG. During the intermittent movement of each station (first to ninth stations), the extraction object 3 (roasted and ground coffee beans) is filled and the upper end 4e is sealed (forms the top seal 6). The palatable beverage extraction bag 1 is mass-produced.

  And the characteristic process of the manufacturing method of the palatable beverage extraction bag of this invention exists in the sealing process for forming the top seal part 6, This sealing process is the top seal part of the palatable drink extraction bag 1 6 and the step of forming the lower seal 6b of the top seal portion 6 of the palatable beverage extracting bag 1 higher than the sealing strength of the upper portion 6a of the top seal portion 6. Yes.

  The step of forming the upper portion 6a of the top seal portion 6 of the palatable beverage extraction bag 1 is performed at the sixth station where the top seal step (fifth step) is performed. Specifically, as shown in FIG. 6, the sealing device 40, which is an ultrasonic fusion device, sandwiches the extraction bag 4 of the palatable beverage extraction bag 1 from the front surface 4a and the back surface 4b and seals it. A pressure body (horn) 41 and a pressure body (anvil) 42 are provided, and the pressure body (anvil) 42 has a protrusion 43 that forms an upper portion 6a of the top seal portion 6 as shown in FIG. And this process is performed by this ultrasonic wave fusion | bonding in the state which this protrusion part 43 clamped the extraction bag 4 with the pinching body (horn) 41. FIG.

  On the other hand, the step of sealing and forming the lower portion 6b of the top seal portion 6 of the palatable beverage extracting bag 1 higher than the sealing strength of the upper portion 6a of the top seal portion 6 is a protrusion that forms the upper portion 6a of the top seal portion 6. Since the protruding portion 44 forming the lower portion 6b protrudes more toward the extraction bag 4 than the portion 43, the direction toward the lower portion 6b (the protruding portion 44) is directed toward the upper portion 6a. By pressing the extraction bag 4 more strongly (in the direction of the protruding portion 43) and applying ultrasonic fusion in this state, a seal portion having a higher sealing strength is formed in the lower seal portion 6b than in the upper portion 6a of the top seal portion 6. Is done.

  In addition, the manufacturing method of the palatable beverage extraction bag of this embodiment has one sealing device 40 arranged at one station, and the pinching body (anvil) 42 projects in the vertical direction and in the horizontal direction. However, the present invention is not limited to this, and an apparatus for producing a palatable beverage extracting bag has a plurality of sealing devices at a plurality of stations. And each pinching body of the plurality of sealing devices has a protruding portion having a different protruding degree in the horizontal direction, and the upper portion 6a of the top seal portion 6 of the palatable beverage extracting bag 1 is formed in a plurality of steps. Also within the scope of the present invention is a step of forming and a step of sealing and forming the lower part 6b of the top seal part 6 of the palatable beverage extraction bag 1 higher than the sealing strength of the upper part 6a of the top seal part 6. Inclusive That.

  Thus, in the method for producing a palatable beverage extraction bag according to the present invention, the sealing step forms the upper part of the top seal portion of the palatable beverage extraction bag, and the top seal portion of the palatable beverage extraction bag. And the step of forming the lower part of the top seal part higher than the sealing strength of the upper part of the top seal part, so that the extraction bag 4 can be easily opened and the top seal part 6 is smoother than the upper part 6a. Since it peels, the palatable beverage extraction bag 1 which peels once and the to-be-extracted object 3 does not jump out of the extraction bag 4 can be manufactured.

DESCRIPTION OF SYMBOLS 1 Beverage extraction bag 2 Upper opening 3 Extract 4 Extract bag 5a, 5b Extract bag support sheet 6 Top seal part 7 Extract storage space 8 Point seal part 9 Adhesion part 10 Raising piece 11 First latch part 12 2nd latching part 30 The manufacturing apparatus 31 of a palatable beverage extraction bag 31 Grip pair 32 The moving body 33 The machine stand 34 The bag feeding conveyor 35 The bag feeding apparatus 36 The filling machine 37 The conveyance conveyor 40 The sealing apparatus 41 A clamping body (horn)
42 Cinch body (anvil)
43 Projection 44 Projection 45 Ultrasonic Vibrator 46a Horn Side Cylinder 46b Anvil Side Cylinder 47 Slide Guide 48 Guide Rail 49 Slide Guide

Claims (7)

  An extraction bag having an upper opening and containing an object to be extracted therein; and an extraction bag support sheet attached to the front and back surfaces of the extraction bag and hooked to the peripheral edge of the upper opening of the drinking cup, The extraction bag has a top seal portion that seals the upper opening and can be peeled by pulling the extraction bag support sheet in both directions, and the top seal portion has a higher sealing strength in the lower portion than in the upper portion. A bag for extracting a palatability beverage characterized by being made.   The palatable beverage extraction bag according to claim 1, wherein the top seal part has a plurality of stages of seal parts in the vertical direction, and the seal part is configured such that the lower the seal part, the higher the seal strength.   The bag for extracting a palatable beverage according to claim 2, wherein a point-seal part having difficulty in peeling is formed on both sides of the lowermost part of the top seal part (6).   The taste-extractable beverage extracting bag according to claim 3, wherein the lowermost seal part is formed in a linear shape and one end part is connected to the point seal part.   An extraction bag having an upper opening and containing an object to be extracted therein; and an extraction bag support sheet attached to the front and back surfaces of the extraction bag and hooked to the peripheral edge of the upper opening of the drinking cup, The extraction bag has a top seal portion that seals the upper opening and can be peeled by pulling the extraction bag support sheet in both directions, and the top seal portion has a higher sealing strength in the lower portion than in the upper portion. An apparatus for producing a palatability beverage extraction bag, wherein the palatability beverage extraction bag production device includes a seal device for forming the top seal portion, And a pinching body for pinching and sealing the extraction bag of the bag for extracting beverage from the front and back, and the pinching body presses the lower portion more strongly than the upper portion of the top seal portion. Apparatus for producing a palatability beverage extraction bag, characterized by being configured to.   The pinching body has a protruding portion that protrudes toward the extraction bag to be pressed, and the protruding portion protrudes more toward the extraction bag than the upper portion of the top seal portion toward the extraction bag. The apparatus for manufacturing a palatable beverage extraction bag according to claim 5, which is configured to do so.   An extraction bag having an upper opening and containing an object to be extracted therein; and an extraction bag support sheet attached to the front and back surfaces of the extraction bag and hooked to the peripheral edge of the upper opening of the drinking cup, The extraction bag has a top seal portion that seals the upper opening and can be peeled by pulling the extraction bag support sheet in both directions, and the top seal portion has a higher sealing strength in the lower portion than in the upper portion. A method for producing a palatability beverage extraction bag, wherein the palatability beverage extraction bag production method includes a sealing step for forming the top seal portion, and the sealing step includes Forming the upper part of the top seal part of the bag for extracting beverage, and sealing the lower part of the top seal part of the bag for extracting beverage of preference to the upper part of the top seal part Method for producing a palatability beverage extraction bag, characterized in that it has a step of forming higher seal than degrees.

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