JP6875101B2 - Bag container with pump dispenser - Google Patents

Description

The present invention relates to a bag container with a pump dispenser.

For example, there are known containers that contain liquid contents such as shampoo liquid, rinse liquid, cosmetic liquid, and chemicals, and are used by attaching a pump dispenser that sucks out the stored contents. Further, as such a container with a pump dispenser, a pump using a bag-shaped container body formed by using a resin sheet material instead of a container whose body is made of a hard plastic or glass container. Bag containers with dispensers are also known (see, for example, Patent Document 1 and Patent Document 2).

Further, in the case of a bag container with a pump dispenser, the bag-shaped container body is formed by using a soft and soft sheet material, and the container body cannot support the pushing force when operating the pump dispenser. A rod-shaped cylinder extending to the bottom of the bag-shaped container body may be provided at the suction port of the dispenser to function like a stick (see, for example, Patent Document 1), or the bag container may be used as a bottom plate. , Suspended from a container holder provided with an upright portion provided upright from the bottom plate portion and an overhang locking portion provided overhanging from the upper end portion of the upright portion, and the pushing force is supported by this container holder. It has been devised so as to make it (see, for example, Patent Document 2).

Japanese Unexamined Patent Publication No. 2005-132436 Utility Model Registration No. 3066831

However, when the bag container with a pump dispenser is hung from the container holder and used as in the invention described in Patent Document 2, when the bag-shaped container body is crushed as the content liquid is discharged. Since the shape of the container is not stable, it is easy to create a space for the content liquid to remain inside, and the container body should be folded neatly so that the remaining amount can be as close to zero as possible. Becomes difficult.

In particular, the bag-shaped container body is formed including the front sheet, the back sheet, the top sheet, and the bottom sheet, and the bottom sheet is folded in half and sandwiched between the front sheet and the back sheet. If the bottom surface of the bag body is formed by being unfolded from the state, for example, the container body suspended via a mouthpiece attached to the top surface by the top sheet is the contents. As the liquid is discharged, the bottom surface is lifted and the distance between the bottom surface and the top surface becomes smaller, so the length of the cylinder extending from the pump dispenser toward the bottom sheet is appropriate. Otherwise, a space for leaving the content liquid inside is more likely to be created.

The present invention stabilizes the shape of the bag-shaped container body (bag body) when it is crushed as the content liquid is discharged, so that the remaining amount can be as close to zero as possible. It is an object of the present invention to provide a bag container with a pump dispenser capable of neatly folding the bag body.

The present invention is a bag container with a pump dispenser including a bag body formed including a front sheet, a back sheet, and a bottom sheet, and a mouthpiece and a pump dispenser attached to the top surface portion of the top surface sheet of the bag body. The bottom sheet is folded in half and expanded from a state of being sandwiched between the front sheet and the back sheet to form a bottom surface portion of the bag body. The pump dispenser includes a suction cylinder portion extending toward the bottom sheet, and the suction cylinder portion has a tip opening at the folding width of the bottom sheet in a state where the bottom sheet is folded in half. The above object is achieved by providing a bag container with a pump dispenser having a length within the range of.

According to the bag container with a pump dispenser of the present invention, it is possible to stabilize the shape of the bag body when it is crushed as the content liquid is discharged, and to make the remaining amount as close to zero as possible. In addition, the bag body can be folded neatly.

It is a perspective view of the bag container with a pump dispenser which concerns on one preferred embodiment of this invention in the state which the contents liquid which shows the inside of the bag body see through is filled. FIG. 5 is a perspective view of a bag container with a pump dispenser according to a preferred embodiment of the present invention, in which a bottom sheet showing the inside of the bag body as seen through is folded in half. It is a perspective view of the state which the bag container with a pump dispenser which concerns on one preferred embodiment of this invention is suspended in a container holder. It is a perspective view of a container holder.

The bag container 10 with a pump dispenser according to a preferred embodiment of the present invention shown in FIG. 1 contains, for example, a shampoo liquid, a rinse liquid, a cosmetic liquid, a drug, etc. in a state of being filled in the bag main body 11 as a content liquid. By pushing down the nozzle head (pressing operation unit) 24 of the pump dispenser 20, a predetermined amount of the content liquid is discharged from the nozzle unit 24a. In the bag container 10 with a pump dispenser of the present embodiment, the pump dispenser 20 discharges the content liquid without replacing air with the inside of the bag body 11, whereby the bag body 11 is discharged. As the content liquid is discharged and decreases, it collapses (see FIG. 2). In the bag container 10 with a pump dispenser of the present embodiment, when the bag body 11 is crushed as the content liquid decreases, the bag body 11 is folded neatly in a stable state, so that the content liquid remains. The amount can be made as close to zero as possible.

Then, as shown in FIGS. 1 and 2, the bag container 10 with a pump dispenser of the present embodiment has a bag body 11 formed including a front sheet 12, a back sheet 13, and a bottom sheet 14, and a bag body 11. A bag container including a mouthpiece 22 and a pump dispenser 20 attached to the top surface portion 16 by the top surface sheet 15, the bottom sheet 14 is folded in half and sandwiched between the front sheet 12 and the back sheet 13. The bottom surface portion 17 of the bag body 11 is formed by being unfolded from the opened state (see FIG. 1). The pump dispenser 20 includes a suction cylinder portion 21 composed of a suction tube or the like extending toward the bottom sheet 14, and the suction cylinder portion 21 has a tip opening portion in a state where the bottom sheet 14 is folded in half. It has a length L that positions 21a within the range of the folding width B of the bottom sheet 14 (see FIG. 2).

Further, in the present embodiment, the suction cylinder portion 21 has the tip opening portion 21a in a state where a part of the front sheet 13 and the back sheet 13 is in close contact with the expanded top surface sheet 15 (see FIG. 2). It has a length L that is positioned within the range of the folding width B of the bottom sheet 14.

Further, in the present embodiment, as shown in FIG. 3, the bag container 10 with a pump dispenser is provided with a bottom plate portion 31 mounted on the mounting surface and standing vertically from the bottom plate portion 31. The mouthpiece 22 is locked and suspended from the overhanging locking portion 33 of the container holder 30 including the setting portion 32 and the overhanging locking portion 33 provided so as to project laterally from the upper end portion of the upright portion 32. It is designed to be used in the state of being used.

As shown in FIGS. 1 and 2, the bag body 11 constituting the bag container 10 with a pump dispenser of the present embodiment has a front sheet 12, a back sheet 13, a bottom sheet 14, and a top sheet 15. The top surface sheet 15 forms the top surface portion 16, the front surface sheet 12 forms the front surface portion 18, the back surface sheet 13 forms the back surface portion 19, and the bottom surface sheet 14 forms the bottom surface portion 17. In the bag container 10, the edge portions 12a and 12a on both sides of the front sheet 12 and the edge portions 13a and 13a on both sides of the back sheet 13 are joined, and at the lower end portion, both sides of the bottom sheet 14 folded in half. The edges 14a and 14a of the front sheet 12 are integrally joined in a state of being sandwiched between the edge 12a of the front sheet 12 and the edge 13a of the back sheet 13. Further, at the upper end portion of the bag container 10, the edge portions 15a and 15a on both sides of the top surface sheet 15 are integrally joined to the edge portion 12a of the front sheet 12 and the edge portion 13a of the back sheet 13. In addition, in FIG. 1 and FIG. 2, the pump dispenser 20 is shown in a state of being attached to the mouthpiece 22 joined to the top surface portion 16 by the top surface sheet 15.

As described above, in the bag container 10 with the pump dispenser in the present embodiment, the top sheet 15, the front sheet 12, the back sheet 13, and the edges 15a, 12a, 13a, 14a of the bottom sheet 14 are joined to each other. , A bag body 11 for accommodating the content liquid is formed inside. Various known methods such as heat seal, ultrasonic seal, high frequency seal, and adhesive can be used for joining between the sheets, but heat fusion by heat seal, ultrasonic seal, etc. is easy to process. This is preferable from the viewpoint of suppressing the use of adhesives.

The top surface portion 16 of the top surface sheet 15 of the bag body 11 is provided with a mouthpiece 22 (only a part of which is shown) for detachably attaching the pump dispenser 20. The mouthpiece 22 has a cylindrical cap mounting portion (not shown) having a thread formed on the outer peripheral surface, and a flange portion 22a extending substantially horizontally from the lower end of the cap mounting portion to the outside. The cap mounting portion is inserted into a through hole (not shown) provided in the top surface sheet 15 and is attached by joining the upper surface of the flange portion 22a to the lower surface of the top surface sheet 15.

As a method for joining the top sheet 15 and the flange portion 22a of the mouthpiece 22, various known methods such as heat seal, ultrasonic seal, high frequency seal, and adhesive can be used, but heat seal and ultrasonic waves can be used. Heat fusion by a seal or the like is preferable from the viewpoint of easy processing and suppression of the use of an adhesive.

The front sheet 12, the back sheet 13, the bottom sheet 14, and the top sheet 15 constituting the bag body 11 are, for example, a film material sheet made of a synthetic resin made of a polyolefin resin such as a polypropylene resin or a polyethylene resin, or made of the synthetic resin. It is formed by using a film material sheet made of a laminate of the film and a metal such as aluminum, or a film material sheet in which a metal such as aluminum is vapor-deposited on the synthetic resin film. When the bag body 11 is formed, the inner surfaces of the front sheet 12, the back sheet 13, the bottom sheet 14, and the top sheet 15 are preferably composed of a sealant layer containing a polyolefin resin as a main component. The thickness of the film material sheet constituting the bag body 11 is preferably 50 μm or more and 150 μm or less, and more preferably 90 μm or more and 120 μm or less, from the viewpoint of suppressing the materials used and reducing the volume of dust.

Examples of the content liquid contained in the storage portion of the bag body 11 include shampoo liquid, rinse liquid, conditioner liquid, cosmetic liquid, chemicals, body soap liquid and the like.

The pump dispenser 20 constituting the bag container 10 with the pump dispenser of the present embodiment together with the bag main body 11 has a pump chamber (not shown) formed in the pump housing 23 as shown in FIGS. 1 and 2. A known pump-type discharge mechanism that sucks the content liquid from the suction cylinder portion 21 and discharges the sucked content liquid from the nozzle portion 24a of the nozzle head 24 by expanding / contracting with a piston (not shown). It has.

More specifically, the pump dispenser 20 has a thread on the inner peripheral surface and is screwed around the mouthpiece 22 attached to the bag body 11, so that the pump dispenser 20 is attached to the top surface 16 of the bag body. It includes a fixing cap portion 25 that can be fixed, a pump housing 23, and a suction cylinder portion 21. As elements constituting a known pump-type discharge mechanism, a piston (not shown) that is housed in the pump housing 23 and the pump housing 23 so as to be reciprocating and that allows the pump chamber defined in the pump housing 23 to be expanded or contracted. ), A stem (not shown) having a discharge passage that can communicate with the pump chamber compressed by the piston, and a stem that projects to the outside of the pump housing 23 and is fixed to the end of the stem and communicates with the discharge passage of the stem. It is provided with a nozzle head 24 (pressing operation unit) provided with a nozzle unit 24a. In the discharge mechanism provided in the pump dispenser 20, when the stem moves forward and the piston descends by pushing down the nozzle head 24, the content liquid in the pump chamber compressed by the piston passes through the discharge passage in the stem to the nozzle portion. It is discharged from 24a. On the other hand, when the stem is reactivated by an urging force such as a spring after discharge, the content liquid contained in the accommodating portion inside the bag body 11 is depressurized in the pump housing 23 via the suction cylinder portion 21. It is sucked into the pump room. The pump housing 23 has a built-in ball valve near the boundary portion with the suction cylinder portion 21. Further, in the present embodiment, the pump dispenser 20 is not provided with a mechanism for performing air replacement, and the bag body 11 is crushed as the content liquid is discharged.

As such a pump dispenser 20, for example, a pump dispenser 20 having the same configuration as that used for the pump-type discharge container described in Japanese Patent Application Laid-Open No. 6-39752 can be used.

Further, in the present embodiment, the above-mentioned mouthpiece 22 on which the dispenser 20 is mounted has an annular locking brim portion 26 that is arranged below the fixing cap portion 25 and projects outward in an annular shape. A pair is provided at intervals in the vertical direction. The portion between these annular locking brim portions 26 is inserted into the notch locking portion 34 cut out in the U shape of the overhanging locking portion 33 of the container holder 30, which will be described later, so that the mouthpiece 22 is inserted. By locking the pump dispenser 20 to the overhanging locking portion 33, the bag container 10 with the pump dispenser can be held in a suspended state in the container holder 30.

Then, in the present embodiment, the pump dispenser 20 includes a suction cylinder portion 21 made of a suction tube or the like extending toward the bottom sheet 14, and the suction cylinder portion 21 has a bottom surface as described above. The sheet 14 has a length L that positions the tip opening 21a within the folding width B of the bottom sheet 14 in a state where the sheet 14 is folded in half (see FIG. 2).

That is, in the present embodiment, the bottom sheet 14 is sandwiched between the front sheet 12 and the back sheet 13 in a state of being folded in half with a folding width B of, for example, 30 to 40 mm, and joined between them. ing. Further, the suction cylinder portion 21 has an outer diameter of, for example, about 10 to 13 mm, and the tip opening 21a has a length L that positions the tip opening 21a within the folding width B of the bottom sheet 14. However, it has a length such that it is arranged below the upper end of the bottom sheet 14 folded in half, preferably 0 mm or more, more preferably 10 mm or more, still more preferably 20 mm or more. Further, the suction cylinder portion 21 has a length L that positions the tip opening 21a within the folding width B of the bottom sheet 14, and the tip opening 21a is preferably folded in half from the lower end of the bottom sheet 14. Has a length of 0 mm or more, more preferably 10 mm or more, still more preferably 15 mm or more, so as to be arranged above. As a result, as the content liquid is discharged, the bottom sheet 14 can easily return to the original folded state, and the tip opening 21a of the suction cylinder portion 21 falls within the range of the folding width B. It becomes easy, and the body portion and the bottom surface portion 17 by the front portion 18 and the back portion 19 of the bag body 11 are easily crushed in a flat shape, so that the remaining amount of the content liquid can be made as close to zero as possible. Further, if the length of the suction cylinder portion 21 is too long, the suction cylinder portion 21 is replaced with the bottom sheet 14 when the bottom sheet 14 is folded, so that the body portion and the bottom surface portion 17 by the front portion 18 and the back portion 19 are formed. Is less likely to be crushed into a flat shape, and a space for retaining the content liquid is likely to be created. If the length of the suction cylinder portion 21 is too short, the body portion and the bottom surface portion 17 by the front portion 18 and the back surface portion 19 can be crushed flat, but within the range of the folding width B of the bottom sheet 14. It becomes impossible to suck up the contents liquid in.

As shown in FIG. 3, the bag container 10 with a pump dispenser of the present embodiment has the container holder 30 and the container holder 30 in a suspended state by locking the mouthpiece 22 to the overhanging locking portion 33 of the container holder 30. Can be used in combination. The bag body 11 of the bag container 10 with a pump dispenser is formed by using a soft and soft sheet material, and the bag body 11 cannot support the pushing force when operating the pump dispenser 20, but the bag container 10 is used as a container. By attaching it to the holder 30 and using it, it becomes possible to support the pushing force.

In the present embodiment, as shown in FIG. 4, the container holder 30 includes a bottom plate portion 31 mounted on the mounting surface and an upright portion 32 provided upright from the bottom plate portion 31 in the vertical direction. The overhanging locking portion 33 is provided so as to project laterally from the upper end portion of the upright portion 32. The overhanging locking portion 33 is formed with a notch locking portion 34 by cutting out the tip end portion on the overhanging side in a U shape on the base end portion side. By inserting and locking the annular locking brim portion 26 provided in the mouthpiece 22 into the notch locking portion 34, the bag container 10 with a pump dispenser and the bottom portion 17 by the bottom sheet 14 are bottomed. The container holder 30 can be hung and held in a state of being placed close to or in contact with the portion 31.

As a result, the pushing-down force when operating the pump dispenser 20 is transmitted to the bottom plate portion 31 mounted on the mounting surface via the overhang locking portion 33 and the standing portion 32, thereby supporting the pump in a stable state. It becomes possible to make it. Further, this makes it possible to perform the operation of discharging a predetermined amount of the content liquid more smoothly and easily.

In the present embodiment, the container holder 30 is provided with a bottom folding guide protrusion rib 35 that is arranged directly below the overhanging locking portion 33 and projects upward from the bottom plate portion 31. The bottom folding guide rib 35 is formed on the central portion of the bottom portion 17 of the bag main body 11 of the suspended bag container 10 with a pump dispenser by the bottom sheet 14 arranged close to or in contact with the bottom plate portion 31. By pushing it upward, the bottom sheet 14 of the bottom surface portion 17 is guided to be folded.

As a result, the shape of the bag body 11 when it is crushed as the content liquid is discharged is made more stable, and the bottom sheet 14 of the bottom surface portion 17 is guided to be folded more neatly. Becomes possible.

Further, in the present embodiment, the bottom sheet 14 of the bag body 11 is folded in half and expanded from the state of being sandwiched between the front sheet 12 and the back sheet 13 to form the bottom surface portion 17 of the bag body 11. The bottom folding guide rib 35 is horizontally elongated in the direction along the folding line 14b (see FIGS. 1 and 2) of the bottom sheet 14 forming the bottom surface 17 of the suspended bag body 11. Is formed in.

As a result, the shape of the bag body 11 when it is crushed as the content liquid is discharged is further stabilized, and the bottom sheet 14 of the bottom surface portion 17 is guided to be folded even more neatly. It becomes possible to do.

Furthermore, in the present embodiment, the upper end surface 35a of the bottom folding guide protrusion rib 35 is chamfered in an arc shape so as to have a curved shape. As a result, the central portion of the bottom surface portion 17 can be pushed upward more effectively than when the upper end surface 35a of the bottom portion folding guide protrusion rib 35 is in a flat state, and the bottom surface sheet 14 of the bottom surface portion 17 can be further cut off. It becomes possible to fold it into.

Then, according to the bag container 10 with a pump dispenser of the present embodiment having the above-described configuration, the shape of the bag body 11 when the bag body 11 is crushed is stabilized as the content liquid is discharged, and the remaining amount is maintained. It becomes possible to fold the bag body 11 neatly so that the bag body 11 can be as close to zero as possible.

That is, according to the bag container 10 with a pump dispenser of the present embodiment having the above-described configuration, the bottom sheet 14 is 2 in the suction cylinder portion 21 provided on the pump dispenser 20 and extending toward the bottom sheet 14. It has a length L that positions the tip opening 21a within the folding width B of the bottom sheet 14 in the folded state. As a result, according to the present embodiment, the bag main body 11 is formed including the front sheet 12, the back sheet 13, the bottom sheet 14, and the top sheet 15, and the bottom sheet 14 is folded in half to form the front surface. By expanding from the state of being sandwiched between the sheet 12 and the back sheet 13, the bottom surface portion 17 of the bag body 11 is formed, and as the content liquid is discharged, for example, the heavens. When a part of the upper ends of the front sheet 12 and the back sheet 13 is in close contact with the face sheet 15 and the bottom surface 17 is lifted so that the distance between the bottom surface 17 and the top surface 16 becomes smaller. However, since the tip opening 21a can maintain the state of being located within the range of the folding width B, the suction force of the content liquid from the pump dispenser 20 through the tip opening 21a can be set within the range of the folding width B. It becomes possible to efficiently convey the inside, thereby stabilizing the shape when the bag body 11 is crushed, and it is possible to fold the bag body 11 neatly. In addition, this makes it possible to make the remaining amount of the content liquid as close to zero as possible.

The present invention is not limited to the above embodiment, and various modifications can be made. For example, the bag body does not necessarily have to consist only of a front sheet, a back sheet, a top sheet, and a bottom sheet, and is folded in half between the side portion of the front sheet and the side portion of the back sheet. It may further include a sandwiched side sheet. Further, the bag container with a pump dispenser of the present invention does not necessarily have to be used in combination with a container holder having a bottom plate portion, an upright portion, and an overhang locking portion.

10 Bag container with pump dispenser 11 Bag body 12 Front sheet 12a Edge 13 Back sheet 13a Edge 14 Bottom sheet 14a Edge 14b Folded line 15 Top sheet 15a Edge 16 Top 17 Bottom 18 Front 19 Back 20 Pump Dispenser 21 Suction cylinder 21a Tip opening 22 Mouthpiece 22a Flange 23 Pump housing 24 Nozzle head 24a Nozzle 25 Fixing cap 25
26 Circular locking brim part 30 Container holder 31 Bottom plate part 32 Standing part 33 Overhanging locking part 34 Notch locking part 35 Bottom folding guide protrusion rib 35a Upper end surface B Folding width of bottom sheet L Length of suction cylinder part

Claims (3)

A bag container with a pump dispenser including a bag body formed including a front sheet, a back sheet, a top sheet, and a bottom sheet, and a mouthpiece and a pump dispenser attached to the top surface of the bag body by the top sheet. And
The bottom sheet is folded in half and expanded from a state of being sandwiched between the front sheet and the back sheet to form a bottom surface portion of the bag body.
The pump dispenser is not provided with a mechanism for performing air replacement, and is provided with a suction cylinder portion extending toward the bottom sheet, and the bottom sheet is folded in half in the suction cylinder portion. In this state, it has a length that allows the tip opening to be positioned within the folding width of the bottom sheet.
In addition, the suction cylinder portion has a length that allows the tip opening to be positioned within the folding width of the bottom sheet while the front sheet and a part of the back sheet are in close contact with the top sheet. pump dispenser with a bag container that has a. The edge of the top sheet is joined to the edge of the front sheet and the back sheet, and the edge of the bottom sheet is joined to the edge of the front sheet and the back sheet. The bag container with a pump dispenser according to claim 1, wherein the bag body is formed. A bottom plate portion to be mounted on the mounting surface, an upright portion provided vertically from the bottom plate portion, and an overhang lock provided so as to project laterally from the upper end portion of the upright portion. The bag container with a pump dispenser according to claim 1 or 2 , wherein the mouthpiece is locked to the overhanging locking portion of a container holder provided with a portion and used in a suspended state.

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