JP4930702B2 - Content addition pack and method of manufacturing the same - Google Patents

Description

  The present invention contains an additive such as powder and liquid, and is used for mixing the additive into the container by attaching it to the mouth of a container filled with liquid such as infusion or drinking water just before use. The present invention relates to a product addition pack and a manufacturing method thereof.

  Conventionally, inside the lid, which is installed inside a lid such as a plastic bottle filled with a liquid such as mineral water, is separated from the inside of the lid and contains additives such as green tea, supplements, vitamins, etc. Various proposals have been made on lids and caps in which the additives are mixedly injected into a container immediately before use.

  For example, the cap described in Patent Document 1 is provided with a cylindrical peripheral wall projecting from the back surface of a cap that seals a container filled with drinking water, and a granular taste material is placed inside the peripheral wall. Is closed with an openable lid, and the drinking water and the taste material are mixed immediately before drinking. Moreover, the cap with a storage portion described in Patent Document 2 includes a container mounting portion that can be mounted on a mouth portion of a container, and an opening that communicates with the container when mounted on the container by a liquid soluble sealing material. It has a recess that functions as a closed storage part, and the recess stores a seasoning, a medicine, a sports drink or a detergent as a solute that melts in water as a solvent, This cap with a storage portion is attached to a container filled with water, and the container is shaken to bring the water into contact with the liquid-soluble sealing material, thereby dissolving the solute contained in the recess. It can be dissolved in water.

  Further, the lid described in Patent Document 3 has a cylindrical lower housing portion inserted into a mouth portion of a plastic bottle or the like, a bellows-shaped upper housing portion provided on the upper portion of the cylindrical lower housing portion, and an upper end. A lid incision part fixed to the inner bottom of the bellows-like upper housing part and housed in these housing parts, and the upper end of the bellows-like upper housing part is pushed down from above the protective cover covering it with a finger or the like And a cutting blade provided at the lower end of the lid incision part incises the water-resistant partition lid provided at the lower end opening of the cylindrical lower housing part, and tea powder etc. accommodated in these accommodating parts The beverage additive is extruded into a plastic bottle containing drinking water. Furthermore, the bottle cap described in Patent Document 4 includes a parent cap that includes an outer cylinder that is inserted into the mouth of the bottle, and a child cap that includes an inner cylinder that is inserted into the outer cylinder and serves as a raw material storage unit. And a bottom lid that seals the lower end opening of the inner cylinder, and covers the outer cap of the outer cylinder by screwing the child cap onto the outer cylinder of the parent cap while covering the mouth of the bottle with the parent cap. The bottle mouth can be sealed together with the top opening, and the bottom cap is removed from the inner cylinder by the outer cylinder of the parent cap by turning the child cap in the opening direction with respect to the outer cylinder of the parent cap, and the raw material in the inner cylinder Is released into the bottle.

JP 2002-114259 A Japanese Utility Model Publication No. 5-68881 JP 2006-131283 A Japanese Patent Laid-Open No. 2005-88997

  The cap described in Patent Document 1 described above has a structure in which when the granular taste material is mixed and poured into the drinking water in the container, the taste material immediately falls when the cap is turned downward. There is a risk of accidentally spilling out of the container, and there is a risk that a part of the taste material may remain in the cap when dropping the flavoring material into the container. Moreover, since the cap with the accommodating part described in patent document 2 has closed the opening part of the recess used as the accommodating part of a solute with the liquid soluble sealing material, the problem that a liquid cannot be put into an accommodating part was there. Moreover, since the cover body described in patent document 3 accommodates the lid incision part which has an incision blade in a cylindrical lower part accommodating part and a bellows-like upper accommodating part, there is space for accommodating a drink additive. In addition, the number of parts of the lid body is large, and the structure is complicated. Therefore, there is a problem that the manufacturing cost increases. Furthermore, the bottle cap described in Patent Document 4 has a complicated structure and a high manufacturing cost, and, similar to that of Patent Document 1 described above, when discharging the raw material in the inner cylinder into the bottle, There was a risk that part of the raw material would remain in the inner cylinder.

  Each of the caps and lids described in these patent documents is configured as a cap for sealing the container, and is attached to the container filled with the contents and circulates integrally with the container. Separately from the container, it was not distributed as a mixed injection content addition pack separately containing the additive. Accordingly, these conventional caps with additive storage only contain the additive specified for the product in advance, and the consumer cannot select the additive according to his / her preference. With the recent increase in health-consciousness, there is a demand for the realization of functional-oriented foods that can select not only a predetermined taste or functionality but also a taste and functionality according to the individual in the beverage field. On the other hand, medical containers such as infusions are conventionally filled with infusions having specific ingredients, and if the ingredients are adjusted according to the patient, the separately prescribed ingredients must be injected into the container. There are problems such as being troublesome and requiring skill.

  Therefore, the present invention solves the problems in the prior art as described above, and can be distributed separately from the container filled with the contents so that, for example, a consumer can prepare a nutrition-enhanced beverage according to his / her preference. Additives can be easily installed and mixed in the container immediately before drinking, and in the case of medical containers, depending on the patient, for example, high-concentration vitamins and trace amounts of medicinal ingredients are used in the container immediately before use. It is an object of the present invention to provide a mixed injection content addition pack that can be attached and easily added, and to provide a mixed injection content addition pack that enables the mixed injection pack to be manufactured in a sterile state.

  The content-added pack according to the invention of claim 1 that achieves the object is a pack body that is integrally fixed to an inner peripheral surface of an end portion of the peripheral wall of the pack body, and a pack body that has a peripheral wall that is easily elastically deformed A plug body defining an additive storage space inside the main body, and the plug body is pushed from the outside to the surface opposite to the side facing the storage space at the bottom of the plug body from the outside. A nozzle for discharging the additive to the outside by raising the internal pressure is projected, and the engagement for mounting on the mouth of the container into which the additive is mixed so as to surround the outside of the nozzle And an opening at the tip of the nozzle is hermetically sealed by a sealing member.

  According to a second aspect of the present invention, in the contents-added pack according to the first aspect, the plug is separated from the cylindrical engagement portion by an annular groove on the inner peripheral surface of the end of the peripheral wall of the pack body A cylindrical joint portion to which the outer peripheral surface is fixed is formed concentrically with the engaging portion. The invention according to claim 3 is the content addition pack according to claim 1 or 2, characterized in that the sealing member covers the entire end face of the engaging portion and seals the nozzle inside. To do. According to a fourth aspect of the present invention, in the content addition pack according to any one of the first to third aspects, a tab for sealing the stopper inside is formed integrally at an end of the peripheral wall of the pack body. In addition, a boundary portion between the tab and the end portion of the peripheral wall of the pack body is formed so as to be capable of being broken and separated. Furthermore, the invention of claim 5 is the contents-added pack according to any one of claims 1 to 4, wherein the peripheral wall of the pack body has a bellows structure.

  In addition, the method of manufacturing the content-added pack according to the invention of claim 6 includes a first step of clamping a first mold for forming a pack body with respect to a parison extruded downward from a die head, A second step of lowering the blow nozzle and the filling nozzle from above the die head through the inside of the parison to the first mold, and air or an inert gas is blown into the first mold through the blow nozzle to move the pack body A third step of blow molding, a fourth step of filling an additive into the blow molded pack body via the filling nozzle, and the blow nozzle and the filling nozzle from the first mold above the die head. And a stopper having an engaging portion with the container mouth portion, the nozzle for extracting the additive projecting from above the die head through the inside of the parison. A sixth step of lowering the inserter held at the end and positioning the plug body on the upper surface of the first mold, and a parison at a position adjacent to the upper surface of the first mold are divided into a pair from the left and right sides. The second mold for heat sealing is clamped to heat-seal between the inner peripheral surface of the upper end of the peripheral wall of the pack body and the outer peripheral surface of the plug, and the second mold is provided by a cutter provided in the second mold. The seventh step of cutting and separating the upper parison, the eighth step of leaving the inserter above the die head, leaving the plug, and the first and second molds opened to complete the contents It has the 9th process of taking out an addition pack, It is characterized by the above-mentioned.

  According to another aspect of the present invention, there is provided a method for manufacturing a content-added pack in which a tab for sealing the stopper is formed integrally at an end of the peripheral wall of the pack body. The method of manufacturing the pack is the same as the invention of claim 5 up to the sixth step, but the seventh step and the following steps are different, with respect to the parison at a position adjacent to the upper surface of the first mold. A seventh step of clamping the second mold for heat sealing and heat-sealing between the inner peripheral surface of the upper end of the peripheral wall of the pack body and the outer peripheral surface of the plug body; and the inserter above the die head leaving the plug body And an eighth step of molding a tab for sealing the stopper inside the eighth mold by clamping the third mold for molding against the parison at a position adjacent to the upper surface of the second mold. 9 and the first mold, the second mold, and the third mold And they came, and having a tenth step of removing the completed contents added packs.

  The invention according to claim 8 is the method of manufacturing a content addition pack according to claim 7, wherein the upper portion of the die head is covered with an aseptically controlled aseptic box, and a blow nozzle, a filling nozzle and an inserter are provided inside the box. The blow nozzle, the filling nozzle and the inserter are moved up and down through an opening formed at the center of the die head.

  Furthermore, the invention of claim 9 is the method for manufacturing a content addition pack according to any one of claims 6 to 8, wherein the inserter is fitted into the annular groove of the plug body, and the inner wall of the upper end of the peripheral wall of the pack body is inserted. Heat sealing is performed between the peripheral surface and the outer peripheral surface of the joint portion of the plug body.

According to the invention of claim 1, even if the direction of the pack body is turned upside down with the sealing member removed during use, the additive in the pack body is discharged outside through the nozzle. Simply push the bottom of the pack body with your finger while the stopper is engaged with the mouth of a container such as a plastic bottle without spilling outside. Can be mixed. In particular, when the additive is a low-viscosity liquid, the additive in the pack body passes through the nozzle and is injected into the container at a high speed. It is stirred and can be mixed efficiently.
Therefore, according to the content addition pack of the present invention, by preparing a variety of different contents, it is selected at the time of use and is mounted on a container such as a PET bottle filled with mineral water, for example. By mixing and mixing, a favorite beverage can be obtained, and after mixed injection, it can be used as a cap for resealing.

According to the second aspect of the present invention, the plug body has a cylindrical shape that is separated by an annular groove on the outer side of the cylindrical engagement portion, and the outer peripheral surface is fixed to the inner peripheral surface of the end portion of the peripheral wall of the pack body. The joint portion is formed concentrically with the engaging portion, so that an anvil is inserted into the annular groove at the time of manufacture, and then the inner peripheral surface of the upper end portion of the peripheral wall of the pack body and the joint portion of the plug body By performing heat sealing with the outer peripheral surface, when the outer peripheral surface of the thin cylindrical joint receives pressure from the heat seal bar, it is possible to prevent the heat sealing from being imperfectly escaped radially inward. .
According to the invention of claim 3, since the sealing member covers the entire end face of the cylindrical engaging portion and seals the nozzle inside, the content addition pack is distributed as a single product. In this case, the inner part of the engaging portion including the nozzle is protected by the sealing member, so that the antifouling property is excellent, and it is not necessary to prepare a packaging material such as an outer bag separately, thereby reducing the product cost. it can.
Further, according to the invention described in claim 4, since the stopper attached to the mouth of the container is sealed inside the tab formed integrally with the pack body, similarly to the invention described in claim 3. It is excellent in antifouling property, and it is not necessary to prepare a packaging material such as an outer bag when distributing the content-added pack as a single product.
Further, according to the invention described in claim 5, since the peripheral wall of the pack body has a bellows structure, when the bottom wall is pushed, the peripheral wall is easily deformed, and the additive is more smoothly supplied from the inside of the pack body. Can be discharged.

Further, according to the invention described in claim 6, the content-added pack according to the above-described invention can be easily performed from at least the production of the pack body to the filling and sealing of the content. Moreover, according to the invention of Claim 7 and 8, the content addition pack which concerns on the invention mentioned above can be filled without making a content touch external air, and can be manufactured efficiently and hygienically. . In particular, by producing in a sterile atmosphere, a mixed injection content addition pack with higher sterility can be obtained.
According to the ninth aspect of the present invention, when the heat sealing is performed between the inner peripheral surface of the upper end portion of the peripheral wall of the pack body and the outer peripheral surface of the plug joint portion, the thin plug member outer peripheral surface receives pressure. , It is possible to prevent the heat seal from being incompletely deformed radially inward.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a cross-sectional view showing an embodiment of a content addition pack according to the present invention. The content addition pack (hereinafter simply referred to as addition pack) 1 shown in FIG. It has a pack body 2 made of a resin material. The pack body 2 has a bottom wall 2A and a peripheral wall 2B, and a hard resin plug 3 is fixed to the inner peripheral surface of the end portion of the peripheral wall 2B opposite to the bottom wall 2A. Has been. An accommodation space a is formed inside the pack body 2 by the plug body 3, the bottom wall 2A of the pack body 2 and the peripheral wall 2B, and the additive M is accommodated in the accommodation space a. Moreover, in the thing of this embodiment, the surrounding wall 2B of the pack main body 2 has a bellows structure in which the periphery of the accommodation space a is easily stretchable and deformable.

  As shown in the figure, the plug body 3 includes a bottom portion 3A that defines an accommodation space a by closing the end surface opening of the peripheral wall 2B of the pack body 2, and a cylindrical engagement portion 3B. A nozzle 3C protrudes from the surface of the bottom 3A opposite to the side facing the accommodation space a. The engaging portion 3B is provided concentrically with the nozzle 3C so as to surround the outside of the nozzle 3C, and the inner peripheral surface thereof conforms to a male screw formed at the mouth portion of a container such as a plastic bottle. An internal thread is formed. A cylindrical joint 3E is formed concentrically on the outside of the cylindrical engagement portion 3B, separated by an annular groove 3D. The outer peripheral surface of the joint portion 3E is heat-sealed and fixed to the inner peripheral surface of the end portion of the peripheral wall 2B of the pack body 2.

  The opening at the tip of the nozzle 3C has substantially the same level as the end surface of the cylindrical engagement portion 3B that surrounds the outside. In addition, the end portion of the engaging portion 3B has an outer diameter that is reduced by one step, and a sealing member 4 made of an elastic resin cap or heat seal material is fitted or heat sealed to this portion. Has been. As shown in FIG. 1, the sealing member 4 cleans the inner surface of the engaging portion 3B with the end of the engaging portion 3B and the opening at the tip of the nozzle 3C being fitted or heat-sealed. At the same time, the opening at the tip of the nozzle 3C is sealed to prevent the additive in the pack body 2 from flowing out.

  FIG. 2 illustrates a method of using the content addition pack 1 configured as described above. When the content addition pack 1 is used, as shown in FIG. The pack body 2 with the member 4 removed from the plug body 3 and then the sealing member 4 removed is turned upside down to the outer peripheral surface of the mouth n of the container b such as a plastic bottle filled with mineral water or the like. The internal thread formed on the inner peripheral surface of the engaging portion 3B of the plug body 3 is screwed into the formed male screw, and the pack body 2 is attached to the mouth n of the container b in an inverted state. At this time, the nozzle 3 </ b> C faces downward in the opened state, but since the opening of the nozzle 3 </ b> C has a small diameter, the additive M in the pack body 2 does not flow out.

  Next, in this state, when the bottom wall 2A of the pack main body 2 is pushed down with a finger as shown in the figure, the internal pressure in the storage space a of the pack main body 2 is increased, and the additive contained in the pack main body 2 is added. The object M is vigorously discharged into the container 5 through the nozzle 3C of the plug 3, and is agitated and mixed with the liquid in the container b. At this time, in the present embodiment, since the pack body 2 has a bellows structure on the peripheral wall 2B, it can be easily elastically deformed and the additive M can be discharged efficiently and easily. Thereafter, by shaking the container b, the additive M mixedly injected into the mineral water or the like in the container can be mixed uniformly. In the present embodiment, the engaging portion 3B of the plug body 3 corresponds to the container to which the screw lid is applied. However, the present invention is not limited to this and is simply pushed in. In the case where the container is used for a container having a sealing structure, the engaging portion may be simply fitted into the mouth of the container.

  Next, FIG. 3 is sectional drawing which shows another embodiment of the content addition pack which concerns on this invention, Comprising: The content addition pack 11 shown in the figure pushes the surrounding wall 12B of the pack main body 12 from the outer side. The additive M in the storage space a is discharged from the nozzle. In this embodiment, the sealing member 14 is integrally formed at the tip of the nozzle 13C, and the opening of the nozzle 13C is sealed. It is blocked by the stop member 14. The boundary portion between the tip of the nozzle 13C and the sealing member 14 is formed thinner and more fragile than the surrounding portion, and when the content addition pack 11 is used, the sealing member 14 is torn off with a finger. Thus, the nozzle 13C can be easily opened.

  Further, in the present embodiment, the tip of the nozzle 13C is formed so as to protrude from the end surface of the engaging portion 13B of the plug body 13 so that the sealing member 14 can be easily picked with a finger when opened. 1 has the bellows structure on the peripheral wall 2B of the pack body 2, but in the present embodiment, the peripheral wall 12B of the pack body 12 has a simplified structure and a manufacturing cost. In order to reduce, the bellows structure is omitted, and the outer peripheral surface of the engaging portion 13B is directly heat-sealed and fixed to the inner peripheral surface of the end portion of the peripheral wall 12B of the pack body 12.

  FIG. 4 is a cross-sectional view showing still another embodiment of the content addition pack according to the present invention. The content addition pack 21 shown in FIG. 4 includes the content addition pack 11 shown in FIG. Only the structure of the plug body 23 and the sealing member 24 is different, and the other parts have the same structure. In this embodiment, a sealing plug that is inserted into the opening of the tip of the nozzle 23C and plugged is used as the sealing member 24, and when the content addition pack 21 is used, it is picked up with a finger and pulled out. It is said.

  FIG. 5 is a cross-sectional view showing still another embodiment of the content addition pack according to the present invention. The content addition pack 31 shown in FIG. 5 includes the above-described content addition pack 21 shown in FIG. Only the structure of the sealing member 34 is different, and the other parts have the same structure. In this embodiment, the sealing member 34 is a cap-shaped sealing plug that fits into the tip opening of the nozzle 33C.

  FIG. 6 is a cross-sectional view showing still another embodiment of the content addition pack according to the present invention. The content addition pack 41 of this embodiment is the content addition pack shown in FIGS. 4 and 5 described above. 21 and 31, and only the sealing member 44 is different, and other parts have the same structure. In this embodiment, a heat seal material is used as the sealing member 44, which is heat-sealed at the tip opening of the nozzle 43 </ b> C, and is peeled off with a finger when using the content addition pack 41. It is a thing.

  FIG. 7 is a cross-sectional view showing still another embodiment of the content addition pack according to the present invention. The content addition pack 51 of the present embodiment is the content addition pack 21 of FIGS. 4 to 6 described above. , 31, 41 and the sealing member 54 are different, and the other parts have the same structure. In this embodiment, as shown in FIG. 5A, the sealing member 54 is formed of a cap-shaped heat seal material that is heat-sealed in a state of being fitted to the tip of the nozzle 53C. The sealing member 54 has a notch-shaped weak portion 54A formed on a part of its outer peripheral surface. By breaking this portion as shown in FIG. It is designed to be opened.

FIG. 8 is a cross-sectional view showing still another embodiment of the content addition pack according to the present invention. The content addition pack 61 of the present embodiment includes an opening at the tip of the nozzle 63C of the plug 63, and this. When the sealing member 64 made of a thin disk-shaped heat seal material covers the entire end surface of the engaging portion 63B At the same time, both the end surface of the engaging portion 63B and the end surface of the opening of the nozzle 63C are heat-sealed so as to seal the opening at the tip of the nozzle 63C. The portions other than the nozzle 63C and the sealing member 64 of the plug 63 have the same configuration as the content addition packs 11, 21, 31, 41, 51 shown in FIGS. In this embodiment, since the sealing member 64 seals the entire opening of the plug 63, the inner surface of the engaging portion 63B is kept more clean, so that it is not wrapped in an outer bag and remains as it is. Distribution is possible.
In addition, although the surrounding wall of the pack main body of each content addition pack shown to FIGS. 3-8 is formed in straight, you may form in a bellows shape similarly to the pack main body of the content addition pack shown in FIG. The shape is not particularly limited as long as it can be elastically deformed to extrude the internal additive.

FIG. 9 is a cross-sectional view showing still another embodiment of the content addition pack according to the present invention. The content addition pack 71 of the present embodiment includes the inside of the engaging portion 73B of the plug 73 and the nozzle 73C. In order to prevent this from being contaminated and damaged, the pack body 72 is integrally formed with a tab 5 for sealing the stopper 73 therein. Therefore, also in the case of this embodiment, since the engaging part is completely sealed and covered like the content addition pack of the embodiment shown in FIG. 8, it can be distributed as it is.
In the present embodiment, the structure of the plug 73 and the sealing member 74 is the same as that of the plug 13 and the sealing member 14 used in the content addition pack 11 of FIG. 3 described above, The portion around the accommodation space a of the additive M on the peripheral wall 72B of the pack main body 72 has a bellows structure as in the above-described content additive pack 1 of FIG.
Although not shown, an annular score is engraved on the outer peripheral surface of the boundary portion 6 between the peripheral wall 72B and the tab 5 of the pack body 72, and this portion is more fragile than the other portions. In use, the tab 5 can be easily cut off and separated from the pack body 72 by hand at this portion.

FIG. 10 is a cross-sectional view showing still another embodiment of the content addition pack according to the present invention, and the content addition pack 81 of this embodiment includes the content addition pack 71 and the stopper shown in FIG. Only the body 73 is different, and the other parts have the same structure. In this embodiment, a plug body having the same shape as the plug body 3 of the content addition pack 1 shown in FIG.
In the content addition pack 81, the sealing member 84 covers the entire end surface of the engaging portion 83B and is heat-sealed to seal the internal nozzle 83C. When the content addition pack 81 is used, The tab 5 is peeled off from the pack body 82 by hand, cut and separated, and then the sealing member 84 is peeled off with a finger.
Therefore, also in the case of this embodiment, since the engaging part is completely sealed and covered like the content addition pack of the embodiment shown in FIG. 9, it can be distributed as it is.

  Next, the manufacturing method of the content addition pack of the form of the content addition pack 1 shown in FIG. 1 mentioned above is demonstrated based on FIG.11 and FIG.12. As shown in FIG. 11A, at the beginning of the manufacturing process, the first mold D1 for forming the pack body, the heat on both the left and right sides of the passing position of the parison P discharged downward from a die head (not shown) The second mold D2 for sealing is in a standby state in which the second mold D2 is divided into left and right pairs and opened. A cutter K is integrally provided on the upper surface of the second mold D2 for heat sealing. The molds D1 and D2 can be independently clamped and opened by a drive control mechanism (not shown), and synchronized with the movement of the parison P discharged downward from the die head. Thus, it is integrally driven up and down.

  Next, as shown in FIG. 5B, the first mold D1 is clamped, and at this time, the parison below the mold D1 is cut and separated. Next, as shown in FIG. 3C, the blow nozzle B and the filling nozzle F pass through the opening formed in the center of the die head from above the unillustrated die head and pass through the inside of the parison P, so Lower to mold D1. Here, the blow nozzle B and the filling nozzle F are constituted by a coaxial double pipe that moves up and down integrally, the inner pipe is the filling nozzle F, and the annular gap between the outer pipe and the inner pipe is the blow nozzle. It functions as B.

  Next, as shown in FIG. 4D, an inert gas such as sterilized compressed air or nitrogen gas is blown into the first mold D1 from the blow nozzle B, and the pack body is placed in the first mold D1. Blow molding is performed, and subsequently, as shown in FIG. 5E, the additive M is filled into the pack body from the filling nozzle F. Thus, after the filling of the additive M is completed, the blow nozzle B and the filling nozzle F are raised to the upper part of the die head (not shown) and then retracted, and then, as shown in FIG. The inserter I holding is lowered inside the parison P from above the die head, and is positioned on the upper surface of the first mold D1 in a state where the stopper is closed.

  Next, as shown in FIG. 4G, the second mold D2 for heat sealing that has been divided and opened in a pair of left and right is clamped, and the inner peripheral surface of the upper end portion of the peripheral wall of the pack body and the outer periphery of the plug body The space between the surfaces is pressurized by the second mold D2 and heat sealed. On each upper surface of the divided left and right parts of the second mold D2 for heat sealing used in the present manufacturing process, a cutter K for cooperatively cutting the parison P is attached when the mold is clamped. Therefore, as shown in FIG. 1G, the second mold D2 is clamped and the plug body 3 is heat-sealed and fixed to the pack body 2, and at the same time, the pair of cutters K are shown in FIG. The parison P is cut and separated at the position of the upper end surface of the joining portion 3E outside the engaging portion 3B of the plug body 3 shown.

Here, in the plug body 3 having the structure shown in FIG. 1, a cylindrical holding portion of the inserter I as shown in FIG. 12 in an annular groove 3D formed between the engaging portion 3B and the joint portion 3E. By inserting T and holding the plug 3, the outer peripheral surface of the thin cylindrical joint 3 </ b> E escapes radially inward when subjected to pressure from the second mold D <b> 2, and the peripheral wall of the pack body 2 It is possible to prevent heat sealing between the inner peripheral surface of the upper end portion and the outer peripheral surface of the joint portion 3E of the plug body 3 from being incomplete. After that, as shown in FIG. 12H, the inserter I passes through the parison P from the first mold D1 and the second mold D2 and retreats upward from the die head. The second mold D2 is opened at the same time, and the finished product of the content addition pack 1 shown in FIG. 1 is taken out.
In addition, the manufacturing method of the content addition pack demonstrated above based on FIG.11 and FIG.12 changes various shapes as shown in FIG. 3 thru | or FIG. 8 by changing the shape of the metal mold | die used or the front-end | tip shape of an inserter. The present invention can be applied to the production of a content addition pack in a different form.

Next, a manufacturing method of the content addition pack in the form in which the pack body and the tab are integrally formed, such as the content addition pack 71 shown in FIG. 9 described above, will be described with reference to FIGS. The steps shown in FIGS. 13A to 13E are the same as the steps shown in FIG. 11, and are the first for forming the pack body on both the left and right sides of the passing position of the parison P discharged downward from the die head. The mold D1, the second mold D2 for heat sealing, and the third mold D3 for tab forming are each divided into left and right pairs and are in a standby state. These molds D1, D2, and D3 can be independently clamped and opened by a drive control mechanism (not shown), and the movement of the parison P that is discharged downward from the die head. Synchronously with this, it is integrally driven up and down.
Further, the upper portion of the die head H is covered with an aseptically controlled aseptic box X as shown in FIG. 15, and a blow nozzle B, a filling nozzle F, and an inserter I are disposed inside the aseptic box. Although not shown, the filling nozzle and the inserter can be moved up and down by known driving means through an opening formed in the center of the die head H.
In this way, by installing an aseptic box above the die head and aseptically controlling the space in which the blow nozzle, filling nozzle and inserter are moved and stored, it is possible to eliminate principle contamination inside the parison and the container. It becomes possible. Furthermore, a sterile filling prefilled pack with higher sterility can be obtained by sterilizing and cleaning the plug body that is molded and supplied in advance.
Hereinafter, the steps up to FIG. 13E are the same as the steps shown in FIG.

  As shown in FIG. 13 (E), when the filling of the additive M is completed, the blow nozzle B and the filling nozzle F are then lifted and retreated above the die head (not shown), and then shown in FIG. 14 (F). As described above, the inserter I holding the stopper at the lower end descends from the upper part of the parison P from above the die head, and is positioned on the upper surface of the first mold D1 in a state where the stopper is closed. Next, as shown in FIG. 4G, the second mold D2 for heat sealing that has been divided and opened in a pair of left and right is clamped, and the inner peripheral surface of the upper end portion of the peripheral wall of the pack body and the outer periphery of the plug body The space between the surfaces is pressurized by the second mold D2 and heat sealed. At this time, by providing a convex annular projection on the pressure surface of the second mold D2, the seal portion pressurized by the portion is locally thinned and can be broken and separated. After the heat sealing is completed, the inserter I ascends and retreats above the die head while leaving the plug.

Next, as shown in FIG. 11H, the third mold D3 for tab forming is clamped, and the portion clamped in the third mold D3 of the parison P by this clamping operation is the third mold D3. It is cut and separated from the portion exposed above the mold D3. At this time, when the parison P is cut and separated above the third mold D3, the lower end of the parison P is closed, so that the aseptic condition in the parison P can be maintained. preferable. Thereafter, as shown in FIG. 1 (I), the air in the third mold D3 is sucked and removed through the exhaust passage V provided on the side of the third mold D3, and the The tab is vacuum formed continuously. Thereafter, the first mold, the second mold, and the third mold are opened simultaneously, and the completed content addition pack 71 is taken out as shown in FIG.
In addition, the manufacturing method of the content addition pack demonstrated above based on FIG. 13 thru | or FIG. 15 changes the shape of the metal mold to be used, the shape of the tip of the inserter, the lowering and raising timing of the inserter, etc. And a tab are integrally formed, and a content addition pack having various forms as shown in FIGS. 1 and 3 to 8 is manufactured, for example, using the stopper shown in FIG. The present invention can be applied to the production of a content addition pack as shown in FIG.
At that time, the tab 5 shown in FIG. 10 or the like may be removed by trimming in a post-process after the above-described process.

  The content-added pack and the method for producing the same according to the present invention can be used in a wide range of fields such as mineral water, tea, juice, sports drinks and other beverages, nutritional drinks, infusions and other pharmaceutical products. And the container to which the prefilled pack of the present invention is applied can be applied to various containers such as synthetic resin bottles such as PET bottles, metal bottles, glass and ceramic bottles, and pouches, especially for functional beverages. There is a new possibility of use as a pack or a medical additive pack.

It is sectional drawing which shows one Embodiment of the content addition pack which concerns on this invention. It is explanatory drawing of the usage method of the content addition pack shown in FIG. It is sectional drawing which shows another embodiment of the content addition pack which concerns on this invention. It is sectional drawing which shows another embodiment of the content addition pack which concerns on this invention. It is sectional drawing which shows another embodiment of the content addition pack which concerns on this invention. It is sectional drawing which shows another embodiment of the content addition pack which concerns on this invention. It is sectional drawing which shows another embodiment of the content addition pack which concerns on this invention. It is sectional drawing which shows another embodiment of the content addition pack which concerns on this invention. It is sectional drawing which shows another embodiment of the content addition pack which concerns on this invention. It is sectional drawing which shows another embodiment of the content addition pack which concerns on invention. It is explanatory drawing of the first half part of the content addition pack manufacturing process shown in FIG. It is explanatory drawing of the latter half part of the content addition pack manufacturing process shown in FIG. It is explanatory drawing of the first half part of the content addition pack manufacturing process shown in FIG. It is explanatory drawing of the second half part of the content addition pack manufacturing process shown in FIG. It is the schematic of the aseptic box above the die head in the content addition pack manufacturing process.

Explanation of symbols

1, 11, 21, 31, 41, 51, 61, 71, 81 Content addition pack 2, 12, 22, 32, 42, 52, 62, 72, 82 Pack body 2A, 12A, 22A, 32A, 42A, 52A, 62A, 72A, 82A Bottom wall 2B, 12B, 22B, 32B, 42B, 52B, 62B, 72B, 83B Perimeter wall 3, 13, 23, 33, 43, 53, 63, 73, 83 Plug body 3A, 13A, 23A, 33A, 43A, 53A, 63A, 73A, 83A Bottom 3B, 13B, 23B, 33B, 43B, 53B, 63B, 73B, 83B Engagement portion 3C, 13C, 23C, 33C, 43C, 53C, 63C, 73C, 83C Nozzle 3D Annular groove 3E Joint 4, 14, 24, 34, 44, 54, 64, 74, 84 Sealing member 5 Tab 6 Boundary part b Container n Part P parison D1 first mold D2 second mold D3 third mold B blow nozzle F filling nozzle I inserter T holder V exhaust passage K cutter H die head X aseptic box

Claims (9)

A pack body having a peripheral wall that is easily formed and elastically deformed;
A plug body fixed to the inner peripheral surface of the end portion of the peripheral wall of the pack body and defining a storage space for the additive inside the pack body,
In the plug body, a nozzle for discharging the additive to the outside by pushing the pack main body from the outside and raising the internal pressure of the housing space projects on the surface opposite to the side facing the housing space at the bottom. And an engaging portion for mounting on the mouth of a container to which the additive is mixed is provided so as to surround the outside of the nozzle, and the opening at the tip of the nozzle can be opened by a sealing member A content-added pack characterized by being sealed.   The plug body has a cylindrical joint portion concentric with the engagement portion, which is separated by an annular groove on the outer side of the cylindrical engagement portion and whose outer peripheral surface is fixed to the inner peripheral surface of the end portion of the peripheral wall of the pack body. The content addition pack according to claim 1, wherein the content addition pack is formed as follows.   The content addition pack according to claim 1 or 2, wherein the sealing member of the plug covers the entire end face of the engaging portion and seals the nozzle inside.   A tab for sealing the stopper inside is formed integrally and continuously at an end of the peripheral wall of the pack body, and a boundary portion between the tab and the end of the peripheral wall of the pack body is formed to be detachable. The content addition pack according to any one of claims 1 to 3.   The content addition pack according to any one of claims 1 to 4, wherein a peripheral wall of the pack body has a bellows structure. A first step of clamping a first mold for forming the pack body against the parison extruded downward from the die head;
A second step of lowering the blow nozzle and the filling nozzle from above the die head through the inside of the parison to the first mold;
A third step of blow-molding the pack body by blowing air or inert gas into the first mold through the blow nozzle;
A fourth step of filling the additive into the blow molded pack body via the filling nozzle;
A fifth step of retracting the blow nozzle and the filling nozzle from the first mold above the die head;
The inserter is provided with a nozzle for projecting an additive through the inside of the parison from above the die head and the stopper having an engaging portion with the container mouth is held at the lower end, and the stopper is moved to the first mold. A sixth step located on the upper surface of
The second mold for heat sealing divided into a pair from the left and right sides is clamped to the parison at a position adjacent to the upper surface of the first mold, and the inner peripheral surface of the upper end of the peripheral wall of the pack body and the outer peripheral surface of the plug body A seventh step of cutting and separating the parison above the second mold with a cutter provided in the second mold,
An eighth step of leaving the inserter and retracting the inserter above the die head;
A method for producing a content addition pack, wherein the ninth step of sequentially opening the first die and the second die and taking out the completed content addition pack is performed. A first step of clamping a first mold for forming the pack body against the parison extruded downward from the die head;
A second step of lowering the blow nozzle and the filling nozzle from above the die head through the inside of the parison to the first mold;
A third step of blow-molding the pack body by blowing air or inert gas into the first mold through the blow nozzle;
A fourth step of filling the additive into the blow molded pack body via the filling nozzle;
A fifth step of retracting the blow nozzle and the filling nozzle from the first mold above the die head;
The inserter is provided with a nozzle for projecting an additive through the inside of the parison from above the die head and the stopper having an engaging portion with the container mouth is held at the lower end, and the stopper is moved to the first mold. A sixth step located on the upper surface of
A second heat-sealing mold is clamped to the parison at a position adjacent to the upper surface of the first mold, and the space between the inner peripheral surface of the upper end of the peripheral wall of the pack body and the outer peripheral surface of the plug body is heat-sealed. 7 steps,
An eighth step of leaving the inserter and retracting the inserter above the die head;
A ninth step of molding a tab for sealing the plug body inside by clamping the third mold for molding against the parison at a position adjacent to the upper surface of the second mold;
A content addition pack manufacturing method comprising: a tenth step of opening the first die, the second die, and the third die and taking out a completed content addition pack. Method.   The upper part of the die head is covered with an aseptically controlled aseptic box, and a blow nozzle, a filling nozzle and an inserter are arranged inside the box, and the blow nozzle, the filling nozzle and the inserter are passed through an opening formed in the center of the die head. The method for producing a content addition pack according to claim 7, wherein the content addition pack is moved up and down.   The inserter is inserted into an annular groove of the plug body, and heat sealing is performed between the inner peripheral surface of the upper end portion of the peripheral wall of the pack body and the outer peripheral surface of the joint portion of the plug body. The manufacturing method of the content addition pack in any one.

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