KR20200059543A - Capsule for preparation of beverage - Google Patents

Abstract

Provided is a capsule for preparing a beverage, which reduces the number of components by simplifying configuration of a through-hole for discharging a liquid extract during usage into one component, simplifies an internal structure and an assembly structure of a capsule body, and can prevent a vulnerable part from being burst when an internal pressure of the capsule body rapidly increases by automatically controlling the opening degree of the through-hole for discharging the liquid extract corresponding to an injection pressure change of an injected fluid or a pressure change in accordance with a particle size of a food material bed. The capsule for preparing a beverage of the present invention comprises: a capsule body having an opened upper end and formed with an outlet for discharging a liquid extract at a lower portion thereof; a cover fixed to seal the upper end of the capsule body; lower and upper films installed inside the capsule body to maintain a food material bed; a pressing plate installed in a contact with the bottom surface of the lower film inside the capsule body, formed with a through-hole through which the liquid extract passes, and having a central portion protruding downward in accordance with an internal pressure of the capsule body; a stopper for sealing the outlet of the capsule body; and an actuator including a central axis for integrally connecting the center of the pressing plate and the center of the stopper. The actuator allows the outlet of the capsule body to be opened as the stopper connected to the central axis axially moves by deformation of the pressing plate corresponding to an internal pressure change of the capsule body.

Description

Capsule for manufacturing beverages {CAPSULE FOR PREPARATION OF BEVERAGE}

The present invention relates to a capsule for producing beverages, and more specifically, a predetermined disposable amount for the instant production of a beverage (tea, coffee, herbal tea, milk, chocolate, etc.) by introducing a fluid (mostly hot water) under pressure into the capsule. It relates to a capsule for preparing a beverage from a bed of food materials (eg, in the form of powder, granules or leaves) concentrated with.

In the field of capsules or pods for coffee or other brewed liquids, a dispenser group suitable for preparing brewed juice by passing hot water under pressure through capsules containing a bed of food to be brewed or dissolved. ) Is known as an automatic or semi-automatic device. Examples of such known capsules are described in US Patent Publication No. 2010-260896, International Patent Publication No. 2015/008309 and US Patent No. 5,221,028.

The common principle of operation of these devices is to provide perforations of the lid that closes the capsule, allowing the introduction of hot water flow under pressure by the infuser group. After the brewing of the food material bed contained in the capsule is obtained, the brewed beverage flows out of the capsule and is discharged to the cup or final container by the device.

As a prior art of such a capsule for manufacturing beverages, there is known a 'capsule for preparing beverages' in Korean Patent Publication No. 10-2013-0140038.

In the prior art, as shown in FIG. 1, injection is performed by placing the capsule 1 on a machine (not shown in the drawing), wherein the machine includes a needle 2 and the needle 2 The extraction fluid is pumped under pressure (shown by arrows) and injected into the capsule 1.

The capsule 1 includes a capsule body 3 and an upper cover 4, and the cover 4 is fixed to seal the top of the capsule body 3. The lid 4 is impermeable to liquids and gases, and is made of a material that is perforable by the needle 2.

The capsule 1 further comprises a chamber 5 containing at least one bed of food material 6 to be extracted. The chamber 5 includes a lower film 12 and an upper film 13 for holding the food material bed 6. The lower film 12 and the upper film 13 are made of filter paper or non-woven fabric having small holes through which the food material bed 6 cannot pass.

In addition, the bottom of the chamber 5 is attached to the edge 8 from the bottom of the capsule 1, and the membrane 4 and the membrane 7 made of a perforable aluminum material that blocks the chamber 5 from the outside together with the cover 4 ) Is located in the lower portion to form a through hole in the membrane 7 when injecting the extraction fluid, the plate 10 is installed so that the liquid extract generated inside the capsule 1 is discharged through the through hole, the plate 10 A pin 9 in the shape of a pyramid protrudes on the upper surface.

Therefore, when the extraction fluid is injected into the capsule 1, the membrane 7 is brought into close contact with the plate 10 by an increase in internal pressure, and the pin 9 forms a through hole in the membrane 7 due to the adhesion, and the membrane 7 The liquid extract that has passed through the through hole formed in the flow to the passage (not shown in the figure) formed on the outer circumferential surface of the plate 10, the liquid beverage prepared through the outlet 11 under the capsule body 3 flows It is made possible.

However, the prior art of the configuration as described above, the membrane body 7 and the pin (perforated aluminum) and a pin (perforated) to form a through hole for blocking the capsule body (3) with the outside before use and discharge the liquid extract when used 9) As the plate 10 is formed, the internal structure and assembly structure of the capsule body 3 is complicated by an increase in the number of parts, and in particular, the flow of the pin 9 and liquid extract of the plate 10 for drilling. There is a disadvantage in that manufacturing costs are considerably high with respect to the implementation of the passage shape for the mold and the mold for injection molding.

In addition, since the through hole of the membrane 7 formed by the pin 9 of the plate 10 is affected by the internal pressure of the capsule body 3 which is increased when the extraction fluid is injected, the pressure change during the injection of the extraction fluid Or, if the opening degree of the through hole is different or the through hole is not accurately perforated according to the change in the internal pressure according to the particle size difference of the food material bed 6, the liquid extract is not smoothly discharged into the through hole, thereby encapsulating the capsule When the internal pressure of the body 3 rises rapidly, a weak portion of the lower layer 12 and the upper layer 13 or the lid 4 holding the food material bed 6 in the capsule body 3 bursts. Discard or severely, the capsule body 3 itself bursts.

The present invention is to solve the conventional problems as described above, the purpose of which is to simplify the configuration to form a through-hole for discharging the liquid extract when using the inside of the capsule body and the liquid body before use as a single component At the same time as reducing the number, simplifies the internal structure and assembly structure of the capsule body, in particular, simplifies the shape of the parts for forming the through-holes, thereby making the capsule for beverage production that can reduce the manufacturing cost in relation to the mold for injection molding. To provide.

In addition, another object of the present invention, the internal pressure of the capsule body by automatically adjusting the opening degree of the through-hole for discharging the liquid extract in response to a change in the injection pressure of the extraction fluid or the particle size of the food material bed It is to provide a capsule for preparing beverages that can solve the problem of vulnerable parts bursting out of the composition that maintains the internal pressure of the food material bed and the capsule body when it rapidly increases.

In order to achieve the above object, the present invention, the upper end is opened and the capsule body is formed with a discharge port for discharging the liquid extract at the bottom; A cover fixed to seal the top of the capsule body; And a capsule for manufacturing beverages, which is installed inside the capsule body and includes a lower film and an upper film for maintaining a bed of food material, which is installed in contact with the bottom of the lower film in the capsule body and through holes through which the liquid extract passes and is formed. A pressing plate in which the central portion is convexly deformed downward according to the internal pressure of the body; A stopper for sealing the outlet of the capsule body; And a working body consisting of a central axis integrally connecting the center of the pressing plate and the center of the stopper, wherein the working body is a stopper connected to the central axis by deformation of the pressing plate corresponding to a change in the internal pressure of the capsule body. It is characterized in that the capsule for manufacturing beverages that is moved in the axial direction to open the outlet of the capsule body.

In addition, the present invention is characterized in that the sealing structure of the outlet and the stopper is formed by attaching an adhesive between the inner circumferential surface of the outlet and the outer circumferential surface of the stopper with an adhesive.

In addition, the present invention is characterized in that the capsule for manufacturing beverages formed in plural in the circumferential direction of the central axis is supported by the inner circumferential surface of the outlet to guide the linear movement of the actuator to prevent flow.

In addition, the present invention is a capsule body having an opening at the top and a discharge port for discharging the liquid extract at the bottom; A cover fixed to seal the top of the capsule body; And a capsule for manufacturing beverages, which is installed inside the capsule body and includes a lower film and an upper film for maintaining a bed of food material, comprising: a sealing film made of aluminum installed in contact with the bottom of the lower film; And a working body installed under the sealing film, wherein the working body has a perforated protrusion forming a through hole through which the liquid extract passes, and protrudes toward the sealing film, and the central portion is convex downward according to the internal pressure of the capsule body. It consists of a pressing plate that is deformed to be, a stopper for opening and closing the outlet of the capsule body, and a central axis integrally connecting the center of the pressing plate and the center of the stopper, and the sealing film is formed by an increase in the internal pressure of the capsule body. Close to the pressing plate of the working body and perforated by a puncturing protrusion, the stopper connected to the central axis is moved in the axial direction by the deformation of the pressing plate corresponding to the change in the internal pressure of the capsule body, so that the outlet of the capsule body It is characterized by a capsule for preparing beverages to be opened.

In addition, the present invention, the upper end is opened and the capsule body is formed with a discharge port for discharging the liquid extract at the bottom; A cover fixed to seal the top of the capsule body; And a capsule for manufacturing beverages, which is installed inside the capsule body and includes a lower film and an upper film for maintaining a bed of food material, comprising: a sealing film made of aluminum installed in contact with the bottom of the lower film; And a working body installed under the sealing film, wherein the working body has a perforated protrusion forming a through hole through which the liquid extract passes, and protrudes toward the sealing film, and the central portion is convex downward according to the internal pressure of the capsule body. A deformed pressing plate, a central axis integrally connected to the lower center of the pressing plate, and supported on the inner circumferential surface of the outlet to guide the linear movement of the actuator to prevent flow, thereby circumferentially advancing the central axis. It is characterized by a capsule for the production of beverages consisting of a plurality of flow-preventing parts.

In addition, the present invention is a capsule body having an opening at the top and a discharge port for discharging the liquid extract at the bottom; A cover fixed to seal the top of the capsule body; And a capsule for manufacturing beverages, which is installed inside the capsule body and includes a lower film and an upper film for holding a bed of food material, the actuator installed under the lower film; And a sealing film made of aluminum, which seals the outlet of the capsule body, wherein the working body is installed in contact with the bottom of the lower layer in the capsule body, and a through hole through which the liquid extract passes is formed, and the central portion according to the internal pressure of the capsule body. It is characterized by a capsule for manufacturing beverages consisting of a pressing plate that is convexly deformed downward, and a central axis integrally connected to a lower center of the pressing plate and having a pointed blade for drilling the sealing film at an end.

According to the capsule for producing beverages of the present invention having the above-described characteristic configuration, the configuration that blocks the outlet of the capsule body from the outside and forms a through hole of the liquid extract when used, consists of a pressing plate, a central axis, and a stopper. As it is composed of an actuator, the internal structure and assembly structure of the capsule body is simplified due to a reduction in the number of parts. In particular, the actuator of the present invention is compared to a conventional mold structure for manufacturing a pin-formed plate as a configuration for forming a through hole. The mold structure for manufacturing is further simplified, and thus, the manufacturing cost is reduced.

In addition, according to the present invention, as the sealing structure of the outlet and the stopper is made of the adhesive, the adhesive force of the adhesive is set to be weaker than the internal pressure of the capsule body set when injecting the extraction fluid, so that the outlet can be reliably opened during the injection of the extraction fluid. It is possible to smoothly discharge the extract, and when the pressure in the capsule body rises sharply when injecting the extracting fluid, the pressing plate of the working body is further deformed to further lower the stopper, thereby increasing the opening degree of the outlet and increasing the pressure. Since it is to be relieved, it is possible to perform a safety function that prevents the means for maintaining the food material bed from being damaged or severely bursting from the capsule body due to a sudden increase in pressure in the capsule body.

1 is a cross-sectional view showing a capsule for preparing a conventional beverage.
Figure 2 is a cross-sectional view showing a capsule for producing a beverage of the present invention.
Figure 3 is an exploded perspective view showing a capsule for preparing a beverage according to the first embodiment of the present invention.
Figure 4 is a cross-sectional view showing the operating state of the capsule for producing a beverage according to the first embodiment of the present invention.
5A and 5B are cross-sectional views showing a sectional view and an operating state of a capsule for preparing beverages according to a second embodiment of the present invention.
Figure 6a and Figure 6b is a cross-sectional view showing a cross-sectional view and the operating state of the capsule for producing a beverage according to a third embodiment of the present invention.
7A and 7B are cross-sectional views showing a cross-sectional view and an operating state of a capsule for preparing beverages according to a fourth embodiment of the present invention.

Hereinafter, a capsule for preparing a beverage according to a preferred embodiment of the present invention will be described in detail based on the accompanying drawings.

2 and 3 show a capsule for preparing a beverage according to a first preferred embodiment of the present invention, as shown, the capsule 100 for manufacturing a beverage of the present invention has a cylindrical shape for discharging the liquid extract at the top and the bottom is opened The outlet 111 is provided with a capsule body 110 of a synthetic resin material is formed. The body portion of the capsule body 110 is inclined so that the lower portion is formed narrower than the upper portion.

The capsule 100 is injected by placing it on a machine (not shown in the figure), wherein the machine includes a needle 2 (see FIG. 4), and the extraction fluid is pressured through the needle 2 ( 4), and is injected into the capsule body 110.

The capsule 100 includes a lid 120 which is fixed to seal the top of the capsule body 110, the lid 120 is impermeable to liquids and gases, and is made of a material that is perforable by the needle 2 It is.

The capsule 100 includes a chamber 140 including at least one food material bed 130 to be extracted inside the capsule body 110.

The food material bed 130 is concentrated in a predetermined disposable amount for the instant production of a beverage (tea, coffee, herbal tea, milk, chocolate, etc.), for example, in the form of powder, granules or leaves It is made.

The chamber 140 is for maintaining the food material bed 130 inside the capsule body 110 and includes a lower film 150 and an upper film 160. The lower layer 150 and the upper layer 160 are made of filter paper or nonwoven fabric having small holes through which the food material bed 130 cannot pass.

The lower layer 150 in the capsule body 110 is provided with a working body 170 made of a synthetic resin material. The actuator 170 is composed of a pressing plate 171, a stopper 172, and a central shaft 173, and it is preferable to integrally injection mold using one mold.

When the pressing plate 171 of the working body 170 is formed in a thin plate shape so as to be deformable, and installed in contact with the bottom surface of the lower film 150 of the chamber 140, when the internal pressure of the capsule body 110 rises, It is intended to be convexly deformed to the lower portion, and can be restored again by a restoring force when the internal pressure falls. In addition, the pressing plate 171 is formed with a plurality of through holes 171a through which the liquid extract passes, and the edge portion is supported by the stepped 112 formed in the capsule body 110 to maintain the installation position.

The stopper 172 of the working body 170 is installed to seal the outlet 111 of the capsule body 110, and the sealing structure of the outlet 111 and the stopper 172 is in contact with the inner circumferential surface of the outlet 111. It is made by attaching between the outer peripheral surface of the stopper 172 with an adhesive (180).

The central axis 173 of the working body 170 is for integrally connecting the center of the pressing plate 171 and the center of the stopper 172, the pressing plate 171 by the internal pressure rise of the capsule body 110 When the) is convexly deformed downward, the function of opening the outlet 111 by moving the stopper 172 downward in the axial direction.

At this time, the adhesive force of the adhesive 180 that seals between the outlet 111 and the stopper 172 is set to be weaker than the internal pressure of the capsule body 110 set when the extraction fluid is injected, so that the adhesive 180 is injected when the extraction fluid is injected. It should be possible to reliably open the outlet 111 away from one side.

In addition, the operating body 170 is provided with a flow preventing portion 174 supported on the inner circumferential surface of the discharge port 111. The flow prevention unit 174 is formed in a plurality of circumferential directions of the central axis 173 to guide the linear movement of the actuator 170, and prevents flow during the operation of the actuator 170, resulting in a more stable and smooth operation. It performs the function to make it happen. The liquid extract can pass through the space between the plurality of flow prevention parts 174.

When explaining the action of the capsule for preparing a beverage according to the first embodiment of the present invention made of such a configuration is as follows.

2, the capsule 100 before use, the pressing plate 171 of the working body 170 maintains a horizontal state, the top of the capsule body 110 is sealed with a cover 120 and the outlet 111 Is sealed by the stopper 172 and the adhesive 180 of the working body 170, the capsule body 110 is in a state blocked from the outside.

In this state, the capsule 100 is injected by placing it on a machine (not shown in the drawing). As shown in FIG. 4, the needle 2 of the machine penetrates the cover 120 and the needle 2 Through which the extraction fluid is pumped under pressure (shown by arrows in FIG. 4), it is injected into the capsule body 110.

The extraction fluid injected into the capsule body 110 is introduced into the chamber 140 through the upper membrane 160 to produce a liquid extract from the food material bed 130 and the liquid extract is chambered through the lower membrane 150. It is discharged from 140.

At this time, the internal pressure of the capsule body 110 is increased by injection of the extraction fluid, and the lower film 150 and the upper film 160 of the chamber 140 are convexly deformed downward by the pressure. Due to this, the pressing plate 171 of the actuator 170 in contact with the lower membrane 150 of the chamber 140 is also convexly deformed downward, thereby causing the stopper 172 connected to the central axis 173 to be axial. Since it is moved downward in the direction, the adhesive 180, which is sealed and sealed between the outlet 111 and the stopper 172, is released from the outlet 111, and the outlet 111 is opened, and the liquid extract is opened. It is discharged through the outlet 111.

In addition, since the pressing plate 171 of the working body 170 is convexly deformed downwardly or restored again according to the change in the internal pressure of the capsule body 110 by injection of the extraction fluid, the change in the internal pressure of the capsule body 110 Correspondingly, since the movement distance is set in the axial direction of the stopper 172 through the central axis 173, the opening degree ('a') of the outlet 111 can be automatically adjusted according to the internal pressure of the capsule body 110. have.

In particular, the extraction fluid is injected at excessive pressure or the particle size is different depending on the type of the food material bed 130, and the smaller the particle size, the higher the internal pressure of the capsule body 110 may be. In this case, the pressing plate 171 is further deformed downward to move the stopper 172 further downward through the central axis 173, so that the opening degree ('a') of the outlet 111 becomes larger and the capsule body 110 becomes larger. ), It is possible to relieve the internal pressure of the capsule body 110, thereby increasing the internal pressure of the capsule body 110 or higher than the set pressure, it is possible to prevent the chamber 140 from bursting or severely the capsule body 110 itself burst.

5A and 5B show a capsule for preparing a beverage according to a second preferred embodiment of the present invention, as shown, the capsule 200 has an open top and an outlet 211 for discharging a liquid extract at the bottom Capsule body 210, a cover 220 fixed to seal the top of the capsule body 210, and a chamber 240 installed inside the capsule body 210 to maintain the food material bed 230 It comprises a lower film 250 and the upper film 250 constituting the, the above-described configuration is the same as the configuration of the first embodiment described above, a detailed configuration description is omitted.

In the second embodiment, in addition to the above configuration, a sealing film 280 of an aluminum material installed in contact with the bottom surface of the lower film 250 and an actuator 270 installed under the sealing film 280 are included.

The sealing film 280 is made of a perforable aluminum material that is attached to the inside of the capsule body 210 to block the chamber 240 from the outside together with the cover 220.

The operating body 270 is connected to the pressing plate 271 positioned below the sealing film 280 and the pressing plate 271 and the central axis 273 to open and close the outlet 211 of the capsule body 210. It is made by integrally manufacturing the stopper 272.

On the upper surface of the pressing plate 271, a plurality of perforated protrusions 274 forming a through hole 275 through which a liquid extract passes, are formed protruding toward the sealing film 280, and the thickness of the pressing plate 271 is capsules Deformed so that the central portion protrudes downward according to the internal pressure of the body 210 and is set to a thickness that can be restored within a predetermined internal pressure range, and the edge portion is supported by the stepped 212 formed on the capsule body 210. To maintain the installation position.

According to the capsule for preparing a beverage according to the second embodiment of this configuration, as shown in FIG. 5A, the capsule 200 before use, the pressing plate 271 of the actuator 270 and the sealing film 280 are maintained in a horizontal state. The upper part of the chamber 240 is blocked from the outside by the cover 220 sealing the top of the capsule body 210, and the lower part of the chamber 240 is blocked from the outside by the sealing film 280. .

In this state, the capsule 200 is injected by placing it on a machine (not shown in the drawing). As shown in FIG. 5B, the needle 2 of the machine penetrates the cover 220 and the needle 2 The extraction fluid is pumped under pressure (shown by arrows in FIG. 5B) and injected into the capsule body 210.

The extraction fluid injected into the capsule body 210 is introduced into the chamber 240 through the upper membrane 160 to produce a liquid extract from the food material bed 230 and the liquid extract is chambered through the lower membrane 250. It is discharged from 240.

At this time, the internal pressure of the capsule body 210 is increased by injection of the extraction fluid, and the lower film 250 and the upper film 260 of the chamber 240 are convexly deformed downward by the pressure. Due to this, the sealing film 280 in contact with the lower film 250 of the chamber 240 adheres to the upper surface of the pressing plate 271 of the actuator and is drilled by the puncturing protrusion 274, so that the discharged from the chamber 240 The liquid extract flows toward the outlet 211 through the through hole 275 of the pressing plate 271.

At the same time, the pressing plate 271 of the actuator 270 is also convexly deformed downward, so that the stopper 272 connected to the central shaft 273 moves downward in the axial direction, so that the outlet 211 Is opened, and the liquid extract is discharged through the opened outlet 211.

In addition, since the pressing plate 271 of the working body 270 is convexly deformed downwardly or restored again according to the change in the internal pressure of the capsule body 210 by injection of the extraction fluid, the change in the internal pressure of the capsule body 210 Correspondingly, since the movement distance is set in the axial direction of the stopper 272 through the central axis 273, the opening degree ('a') of the outlet 211 can be automatically adjusted to the internal pressure of the capsule body 210. have.

In particular, the injection fluid is injected at excessive pressure or the particle size is different depending on the type of the food material bed 230, and the smaller the particle size, the higher the internal pressure of the capsule body 210 may be. In this case, the pressing plate 271 is further deformed downward to move the stopper 272 further downward through the central shaft 273, so that the opening degree ('a') of the outlet 211 becomes larger and the capsule body 210 becomes larger. ), It is possible to relieve the internal pressure of the capsule body 210, thereby increasing the internal pressure of the capsule body 210, or higher than the set pressure, the chamber 240 may burst or severely prevent the capsule body 210 itself from bursting.

6A and 6B show a capsule for preparing a beverage according to a third preferred embodiment of the present invention, as shown, removing the stopper 272 of the actuator 270 in the configuration of the second embodiment described above, and operating The body 270 is provided with a flow prevention portion 273a.

All other configurations are the same as those of the above-described second embodiment, so a detailed configuration and operation description of the same configuration will be omitted.

In the third embodiment, the flow prevention unit 273a is supported on the inner circumferential surface of the outlet 211 of the capsule body 210 and guides the linear movement of the actuator 270 to prevent the flow. 273) in the circumferential direction.

The flow prevention portion 273a performs the same function as the flow prevention portion 174 described in the first embodiment, and prevents flow during the operation of the actuator 270, so that a more stable and smooth operation is achieved. To perform. A liquid extract can pass through the space between the plurality of flow prevention parts 273a (see reference numeral 174 in FIG. 3).

According to the capsule for preparing a beverage according to the third embodiment of this configuration, in addition to the action in the second embodiment, the operation of the actuator 270 is further stabilized and smoothed by the flow prevention unit 273a to improve performance I can do it.

7A and 7B show a capsule for preparing a beverage according to a fourth preferred embodiment of the present invention, as shown, in the configuration of the first embodiment described above, the stopper 172 of the actuator 170 and the adhesive 180 It is removed, it is provided with a sealing film 190 for sealing the outlet 111 of the capsule body (110). The sealing film 190 is made of a perforable aluminum material that is attached to the inside of the outlet 111 of the capsule body 110 to block the chamber 140 from the outside together with the cover 120.

In addition, at the end of the central shaft 173 of the actuator 170, a pointed blade 173a for drilling the sealing film is formed.

All other configurations are the same as those of the first embodiment described above, so detailed configurations and operation descriptions are omitted for the same configurations.

According to the capsule for preparing a beverage according to the fourth embodiment of this configuration, as shown in FIG. 7A, the capsule 100 before use, the pressing plate 171 of the actuator 170 maintains a horizontal state, and the capsule body 110 The top of the) is sealed with a cover 120 and the outlet 111 is sealed by a sealing film 190 so that the capsule body 110 is blocked from the outside.

In this state, the capsule 100 is injected by placing it on a machine (not shown in the drawing). As shown in FIG. 7B, the needle 2 of the machine penetrates the cover 120 and the needle 2 Through which the extraction fluid is pumped under pressure (shown by arrows) and injected into the capsule body 110.

The extraction fluid injected into the capsule body 110 is introduced into the chamber 140 through the upper membrane 160 to produce a liquid extract from the food material bed 130 and the liquid extract is chambered through the lower membrane 150. It is discharged from 140.

At this time, the internal pressure of the capsule body 110 is increased by injection of the extraction fluid, and the lower film 150 and the upper film 160 of the chamber 140 are convexly deformed downward by the pressure. Due to this, the pressing plate 171 of the actuator 170 in contact with the lower membrane 150 of the chamber 140 is also convexly deformed downward, thereby causing the central axis 173 connected to the lower center of the actuator 170 ) Is moved downward in the axial direction, the tip of the tip 173a perforates the sealing film 190 made of aluminum to open the outlet 111, and the liquid extract is discharged through the opened outlet 111 do.

The embodiments described so far are merely illustrative of preferred embodiments of the present invention, and the scope of the present invention is not limited to the described embodiments, and those skilled in the art within the technical spirit and claims of the present invention. Various changes, modifications, or substitutions may be made by, and such embodiments should be understood to be within the scope of the present invention.

100,200: Capsule 110,210: Capsule body
111,211: outlet 120,220: cover
130,230: Food material bed 140,240: Chamber
150,250: lower film 160,260: upper film
170,270: actuator 171,271: pressing plate
172,272: stopper 173,273: central axis
174,273a: flow prevention unit 180: adhesive
274: perforated projection 275: through hole
190,280: sealing film

Claims (9)

A capsule body having an opening at the top and a discharge port for discharging the liquid extract at the bottom;
A cover fixed to seal the top of the capsule body; And
In the capsule for manufacturing beverages, which is installed inside the capsule body and includes a lower film and an upper film for maintaining a food material bed,
A pressing plate that is installed in contact with the bottom of the lower layer in the capsule body, through holes through which the liquid extract passes, and convexly deforms the central portion downward according to the internal pressure of the capsule body;
A stopper sealing the outlet of the capsule body; And
Capsule for manufacturing beverages, characterized in that it comprises an actuator consisting of a central axis integrally connecting the center of the pressing plate and the center of the stopper. The beverage according to claim 1, wherein the actuator is configured to open the outlet of the capsule body by moving the stopper connected to the central axis in the axial direction by deformation of the pressing plate corresponding to a change in the internal pressure of the capsule body. Manufacturing capsule. The capsule of claim 1, wherein the sealing structure of the outlet and the stopper is formed by attaching an adhesive between the inner peripheral surface of the outlet and the outer peripheral surface of the stopper. According to claim 1, wherein the capsule for manufacturing beverages, characterized in that a plurality of flow preventing portions supported on the inner circumferential surface of the outlet to guide the linear movement of the actuator to prevent flow is formed in the central axis in the circumferential direction. A capsule body having an opening at the top and a discharge port for discharging the liquid extract at the bottom;
A cover fixed to seal the top of the capsule body; And
In the capsule for manufacturing beverages, which is installed inside the capsule body and includes a lower film and an upper film for maintaining a food material bed,
An aluminum sealing film installed in contact with the bottom of the lower film; And
It includes an actuator installed under the sealing film,
The working body is formed with a perforated protrusion forming a through hole through which the liquid extract passes, and a pressing plate that convexly deforms downwardly according to the internal pressure of the capsule body and the outlet of the capsule body. Capsule for manufacturing beverages, characterized by comprising a stopper to open and close, and a central axis integrally connecting the center of the pressing plate and the center of the stopper. The method of claim 5, wherein the sealing film is in close contact with the pressing plate of the working body by the internal pressure rise of the capsule body is perforated by a perforated projection, the working body is deformed of the pressing plate corresponding to the change in the internal pressure of the capsule body Capsules for beverage production, characterized in that the stopper connected to the central axis is moved in the axial direction to open the outlet of the capsule body. A capsule body having an opening at the top and a discharge port for discharging the liquid extract at the bottom;
A cover fixed to seal the top of the capsule body; And
In the capsule for manufacturing beverages, which is installed inside the capsule body and includes a lower film and an upper film for maintaining a food material bed,
An aluminum sealing film installed in contact with the bottom of the lower film; And
It includes an actuator installed under the sealing film,
The working body is formed of a through hole through which a liquid extract passes, a perforated protrusion protruding toward the sealing film, and a pressing plate in which a central portion is convexly deformed downwardly according to an internal pressure of the capsule body, and a lower center of the pressing plate A beverage characterized in that it consists of a central axis integrally connected to, and a flow prevention portion formed in a plurality in the circumferential direction on the central axis to prevent flow by being supported on the inner circumferential surface of the outlet and guiding the linear movement of the actuator. Manufacturing capsule. A capsule body having an opening at the top and a discharge port for discharging the liquid extract at the bottom;
A cover fixed to seal the top of the capsule body; And
In the capsule for manufacturing beverages, which is installed inside the capsule body and includes a lower film and an upper film for maintaining a food material bed,
An actuator installed under the lower layer; And
Includes a sealing film made of aluminum to seal the outlet of the capsule body,
The working body is installed in contact with the bottom of the lower membrane in the capsule body, a through hole through which the liquid extract passes, and a pressing plate in which the central portion is convexly deformed downwardly according to the internal pressure of the capsule body, and the lower center of the pressing plate Capsules for the production of beverages, characterized in that it is integrally connected to a central axis formed with a pointed blade for perforating the sealing film at the end. The beverage according to claim 8, wherein a plurality of flow prevention portions supported on the inner circumferential surface of the outlet to guide the linear movement of the actuator to prevent flow are formed in a circumferential direction on the central axis of the actuator. Manufacturing capsule.

Images