JP2012229057A - Filling package, filling and packaging device, and method of manufacturing the filling package - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a filling package configured to stably secure sealing strength.SOLUTION: The filling package includes: a cylindrical filling part (2a) formed of a multi-layer film (F) including a base layer (2ek) and a sealant layer (2es) which is made an inner side, and longitudinally formed in an axial direction; first and second sealing parts (2b) and (2c) by which one end and the other end of the filling part (2a) are sealed respectively; and a liquid or gel-like filling substance (3) filled in the filling part (2a). The first and second sealing parts (2b) and (2c) include: a plurality of linear sealing parts (SE) extending in a direction perpendicular to the axial direction in a state that the sealant layers (2es) and (2fs) facing each other as the cylindrical inner surfaces are welded together, and formed spaced at predetermined distances (d1) in the axial direction; and a filling substance reservoir part (SH) provided between the two adjacent linear sealing parts (SE), and formed in a state that the sealant layers (2es) and (2fs) are not welded.

Description

  The present invention relates to a filled packaging body, a filled packaging apparatus, and a method for producing the filled packaging body, and more particularly to a filled packaging body that can ensure good sealing strength of a flexible packaging container even when the filling material is a printing ink. The present invention relates to a packaging device and a method for producing a filled package.

Liquid or gel-like substances are put on the market by being stored in hard containers such as cans or filled into bag-like soft packaging containers (hereinafter also simply referred to as soft containers) made of film. Is provided.
Among liquid or gel-like substances, for example, printing ink is provided in the market as a can (hereinafter also referred to as a hard container) formed of a hard material such as metal or resin as a container (Patent Document 1). reference).

Utility Model Registration No. 3171969

Although there are many merits for the printing ink container being a can made of a hard material, some improvements are also desired.
For example, it is possible to further reduce CO ₂ emissions from production to disposal, and to promote reduction of disposal costs for end users. Moreover, when a can is cylindrical, since the clearance gap between adjacent cans becomes large in a packing state, improvement of packing efficiency is also a desired item.

In response to these demands, it is conceivable that the container is not a hard container but a soft container in which a laminate film is formed into a bag shape by heat sealing, and a filled package body filled with printing ink is provided as a product. .

In general, many printing inks require an oxygen barrier to maintain the quality, and therefore, when a space is generated in the container, it is necessary to finally perform nitrogen replacement.
Further, in order to provide a product using a soft container to a product using a soft container at a reasonable cost in a printing ink, it is desirable that a process can be omitted as much as possible and a large amount can be efficiently produced. For example, it is required for a soft container that it can be manufactured at a production rate comparable to that of a hard container.
With regard to these requirements, usually in a soft container, the film is formed into a cylindrical shape, both ends are sealed while filling the inside thereof, and the sealed portion is cut to make the filling into a soft container. It is possible to continuously produce a filled package that is filled. Therefore, when printing ink is used as a filling, since no space is generated in the soft container, the nitrogen replacement step can be omitted, and cost reduction and high-speed production are expected.

However, if the printing ink is heat-sealed in a state where even a small amount is attached to the sealing surface, it is difficult to obtain a sealing strength necessary for a product, and particularly when the printing ink is oily, the strength is significantly reduced. Therefore, quality control as a package is difficult, and commercialization as a soft container has been hindered.
As shown in this example, in filling packaging using soft containers, it is important to ensure sealing strength regardless of the type of filling, especially when the filling is oil-based printing ink. Is desired to be secured stably.

  Then, the subject which this invention tends to solve is providing the manufacturing method of the filling packaging body, filling packaging apparatus, and filling packaging body in which sealing strength is ensured stably.

In order to solve the above problems, the present invention has the following configurations and means.
1) It is formed from a multilayer film (F) comprising a base layer (2ek) and a sealant layer (2es), and is formed in a cylindrical shape with the sealant layer (2es) on the inside and having a length in the axial direction. Filled portion (2a),
First and second sealing portions (2b) and (2c) sealing one end and the other end of the filling portion (2a), respectively;
Liquid or gel-like filling (3) filled in the filling part (2a),
A filled packaging body comprising:
The first and second seal portions (2b) (2c)
A plurality of the sealant layers (2es) (2fs) facing each other as a cylindrical inner surface are welded to each other and extend in a direction crossing the axial direction, and spaced apart by a predetermined interval (d1) in the axial direction. A linear seal (SE);
Between the two adjacent linear seal portions (SE), a filling reservoir portion (SH) that makes the sealant layers (2es) (2fs) non-welded to each other, and
It is a filling package (1) characterized by having.
2) The filling package (1) according to 1), wherein the filling (3) is a printing ink.
3) The filled package (1) according to 1) or 2), wherein the multilayer film (F) has gas barrier properties.
4) Three or more said linear seal parts (SE) are formed, It is a filling packaging body (1) as described in any one of 1) -3) characterized by the above-mentioned.
5) The ratio D / L1 when the length in the axial direction of the filling part (2a) is L1 and the width of the sealing part (2b) (2c) is D is 0.15 to 0.45. The filling package (1) according to any one of 1) to 4), which is in a range.
6) A filling portion (2a) formed in a cylindrical shape from a multilayer film (F) including a base layer (2ek) and a sealant layer (2es) with the sealant layer (2es) inside, and the filling portion (2a) Filled packaging for producing a filled package (1) having a pair of seal portions (2b) and (2c) for sealing both ends of each of the two, and a filling (3) filled in the filling portion (2a) A device,
A cylindrical mechanism portion (11B) that is vertically sealed while transporting the film (F) in the first direction to form a cylindrical cylindrical body (T);
An injection part (14) for injecting the filler (3) into the cylindrical body (T);
Handles the cylindrical body (T) injected with the filler (3), and forms a handling portion (T1) where the sealant layers (2es) (2fs) facing each other as a cylindrical inner surface can contact each other. Mechanical part (15),
The handling mechanism (T1) is heated and pressed, and the sealant layer (2es) (2fs) facing each other is welded together to form a seal part (SEa) (17),
A cut mechanism part (18) for fusing the seal part (SEa),
The seal mechanism (17)
A plurality of convex portions (17b, 17c) extending in a second direction intersecting with the first direction are provided at a predetermined interval in the first direction, and a plurality of the convex portions are provided with respect to the handling portion (T1). A heater portion (17a1) capable of forming a plurality of linear seal portions (SE) corresponding to the convex portions (17b, 17c) by pressing and heating the portions (17b, 17c),
The cutting mechanism (18)
A heating section (19a) having a heating contact surface (19a1) extending in the second direction and a heating source (19a2) for heating the heating contact surface (19a1);
A cooling contact surface (19b1) (19c1) extending in the second direction and a cooling source (19b2) (19c2) for cooling the cooling contact surface (19b1) (19c1); ) A pair of cooling parts (19b) (19c) arranged side by side in the second direction;
With
The heating contact surface (19a1) of the cut mechanism portion (18) is one linear seal portion (SEC) of the plurality of linear seal portions (SE) formed by the seal mechanism portion (17). ) And the cooling unit (19b) (19c) is configured to cool a region adjacent to the one linear seal portion (SEC) and to melt the one linear seal portion (SEC). A filling and packaging apparatus (11) characterized in that
7) A filling part (2a) formed in a cylindrical shape from the multilayer film (F) including the base layer (2ek) and the sealant layer (2es) with the sealant layer (2es) inside, and the filling part (2a) Filled packaging for producing a filled package (1) having a pair of seal portions (2b) and (2c) for sealing both ends of each of the two, and a filling (3) filled in the filling portion (2a) A method for manufacturing a body,
A cylindrical step of vertically sealing the film (F) in the first direction to form a cylindrical cylindrical body (T);
An injection step of injecting the filler (3) into the cylindrical body (T);
Handles the cylindrical body (T) injected with the filler (3), and forms a handling portion (T1) where the sealant layers (2es) (2fs) facing each other as a cylindrical inner surface can contact each other. Steps,
A sealing step in which the handling part (T1) is heated and pressed, and the sealant layers (2es) (2fs) facing each other are welded together to form a seal part (SEa),
Cutting step for fusing the seal portion (SEa),
In the sealing step,
A plurality of the sealant layers (2es) (2fs) facing each other as a cylindrical inner surface are welded to each other and extend in a second direction intersecting the first direction and spaced apart at a predetermined interval in the second direction. Forming a linear seal (SE)
In the cutting step,
It is a method for producing a filled package, wherein one of the plurality of linear seal portions (SE) formed in the sealing step is fused.
8) The method for producing a filled package according to 7), wherein the filler (3) is a printing ink.
9) The method for producing a filled package according to 8), including a defoaming step of defoaming the printing ink (3) before the pouring step.
10) The cutting step includes
The filling according to any one of 7) to 9), wherein the one linear seal portion (SEC) is melted while cooling a region adjacent to the one linear seal portion (SEC). It is a manufacturing method of a package.

  According to the present invention, the effect that the seal strength is stably secured is obtained.

It is a four-plane figure which shows the filling packaging body in embodiment of this invention. It is a perspective view which shows the state which hold | gripped the filling packaging body in embodiment of this invention. It is the fragmentary top view and sectional drawing for demonstrating the seal part of the filling packaging body in embodiment of this invention. It is a partial top view for demonstrating the state before separating and obtaining the filling packaging body in embodiment of this invention. It is a perspective view for demonstrating the whole structure of the filling packaging apparatus in embodiment of this invention. It is a top view for demonstrating the horizontal seal mechanism part of the filling packaging apparatus in embodiment of this invention. It is a top view for demonstrating the cutting mechanism part of the filling packaging apparatus in embodiment of this invention. It is a fragmentary sectional view for demonstrating the detail of the seal part of the filling packaging body in embodiment of this invention. It is a block diagram of the filling packaging apparatus in embodiment of this invention.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described with reference to FIGS.

First, a filling package 1 (hereinafter also simply referred to as a package 1) in an embodiment of the present invention will be described with reference to FIGS. The package 1 can be manufactured by a filling and packaging apparatus 11 described later.
Fig.1 (a) is a front view of the package 1, FIG.1 (b) is a bottom view, FIG.1 (c) is a rear view, FIG.1 (d) is a right view. FIG. 2 is a perspective view for explaining a state in which the package 1 is gripped by hand. FIG. 3 is a view for explaining the seal portion 2 b of the package 1. FIG. 4 is a view for explaining a state before individual packaging bodies 1 are obtained.

The package 1 is obtained by filling a filling 3 in a filling packaging container 2 which is a soft container. The filling and packaging container 2 is formed of an opaque multilayer film having a gas barrier property based on a polyethylene terephthalate (PET) film. The specific structure of the multilayer film is as follows as an example.
PET / AL / ONY / LLDEP
That is, a multilayer (four layers) configuration of polyethylene terephthalate / aluminum foil / biaxially stretched nylon / linear low density polyethylene. In this configuration, the PET layer to the ONY layer function as a base layer, and the LLDEP layer functions as a sealant layer.
In this configuration, the AL layer becomes an oxygen barrier layer, but other materials than AL may be used as the oxygen barrier layer. Further, an oxygen absorption layer may be provided between the ONY layer and the LLDEP layer.
If oxygen barrier properties are not required, the oxygen barrier layer such as the AL layer may be eliminated from the above configuration, and the configuration may be, for example, PET / ONY / LLDPE.

The packaging body 1 includes a narrow and long filling portion 2a filled with a filling 3 inside, seal portions 2b and 2c formed at both ends in the longitudinal direction of the filling portion 2a, and a back surface of the filling portion 2a. A cylindrical seal portion 2d formed in a bowl shape along the longitudinal direction at a substantially central portion in the hand direction).
The cylinder seal portion 2d is a heat-sealed sealing portion by a solid seal in the vertical direction (axis direction of the cylinder) provided to form a film-like raw material into a cylinder shape.
The seal portions 2b and 2c are portions formed by filling the inside with a filler 3 while forming a raw material into a cylindrical shape, and performing heat sealing in that state.
An example of a method for manufacturing the package 1 will be described later.

The filler 3 is, for example, printing ink (hereinafter, also referred to as “printing ink 3” for the sake of convenience), and more specifically, for example, an oxidation polymerization type oil-based sheet ink, UV ink, silk screen ink, and the like.
In the package 1, the mass of the filled printing ink 3 is set to about 0.5 kg, for example. This is because the mass stored in the case of the conventional can container is quantified as 1 kg and 5 kg, and it is easy for the user to handle the package 1 with a mass (capacity) that is generally good for separation. Is set.
In addition, it is considered that the package 1 is easily handled by the user and can be easily handled. In particular, with respect to a filling mass of 0.5 kg, 1 kg is heavy when an operator grips it and places a heavy burden on it, so that it is considered preferable as a reasonable mass in the gripping and gripping operations.

An example of the outer size of the package 1 is that the length in the longitudinal direction of the filling portion 2a is L1, the length in the longitudinal direction of the seal portions 2b and 2c is Lbs and Lcs, and the width of the seal portions 2b and 2c is D. The approximate dimensions are as follows.
That is, L1≈290 mm, Lbs = Lcs≈13 mm, and D≈90 mm. In other words, the aspect ratio D / L1 is about 0.31.
When 0.5 kg of printing ink 3 is filled, the thickness H, which is the amount of swelling, is about 30 mm. Moreover, the circumference (body circumference length) of the filling part 2a in the state accommodated uniformly in the package 1 without biasing the filling 3 is about 180 mm.

Since the filled packaging container 2 has flexibility and the filled printing ink 3 is in a liquid or gel form, as shown in FIG. 2, when the center portion of the filling portion 2a is grasped by a human hand HD, printing is performed. The ink 3 moves to both ends, and the length of the cylinder circumference is shortened.
For this reason, even if an operator's hand is an average magnitude | size or it is smaller than that, the package 1 can be hold | gripped easily.
In other words, the length of the waist is set so that even an operator with a small hand can easily hold it, and accordingly, the length L1 of the filling portion 2a and the width D of the seal portions 2b and 2c are determined. Yes.

Thereby, in the operation | work which replenishes the printing ink 3 with which the package body 1 was filled, for example to the ink fountain of a printing machine, an opening part is formed in one end side of the package body 1 by a fracture | rupture or cutting | disconnection, and the filling part 2a Can be replenished satisfactorily without leaving any squeezed ink from the opening.
That is, when discharging the printing ink 3 that is a filling from the package 1, the discharge can be easily performed only with bare hands without using a dedicated discharging device or jig. In this operation, the printing ink 3 can be discharged so that there is almost no residue, so that the filled printing ink 3 can be used without waste.

The seal portions 2b and 2c in the package 1 are heat-sealed not by a solid seal system but by a line seal system. Specifically, sealing is performed by forming a plurality of linear seal portions extending in the width direction (short direction) at predetermined intervals in the longitudinal direction.
This will be described in detail with reference to FIG.
3A is a detailed view of the portion A in FIG. 1 for explaining the seal portion 2b, and FIG. 3B is a cross-sectional view at the position S1-S1 in FIG. 3A.

In the seal part 2b, the linear seal part SE is a part where the front film 2e corresponding to the front side of the package 1 and the back film 2f corresponding to the back side are heat-welded and integrated.
In this example, a plurality of linear seal portions SE are formed at a predetermined interval d1 in a direction crossing the longitudinal direction of the package body 1 (left and right direction in FIG. 3). The crossing angle is, for example, 90 °, and five linear seal portions SE1 to SE5 having a width d2 are formed. In FIG. 3A, the linear seal portion SE is hatched for the sake of convenience in order to make it easy to see.

A portion corresponding to the interval d1, that is, a portion between adjacent linear seal portions SE is a seal narrow portion SH (SH1 to SH4) where the front film 2e and the back film 2f are not welded.
At the time of forming the seal portion 2b, since the seal narrow portion SH is provided between each of the plurality of linear seal portions SE, the filler 3 at the position sandwiched between the front film 2e and the back film 2f Although most of the film 2e and 2f of the heater part 17a (see FIG. 5) sandwiching 2e and 2f moves to the filling part 2a side by pressing in the direction in which the two films 2e and 2f are brought into close contact with each other, the remaining minute amount is finally sealed between the seals. It is driven into SH and accumulates there. That is, the seal gap portion SH functions as a filling reservoir.
Therefore, there is almost no filler 3 sandwiched between the linear seal portions SE, and heat sealing is performed in a state where the sealant layers are in close contact with each other with a high degree of adhesion. Accordingly, the seal portions 2b and 2c can obtain high seal strength.

Since one linear seal portion SE is linear, the seal area is relatively small. Therefore, the width d2 and the number of the linear seal portions SE are set so that the required seal strength can be obtained with a plurality of linear seal portions SE. Good.
Further, if the number of the linear seal portions SE is three or more, even if there is a variation in the seal strength for each linear seal portion SE, it complements each other and the individual of the seal strength of the package 1 It is preferable because the variation in the interval can be suppressed.
When the filling 3 is the above-described printing ink of 0.5 kg, the setting example of the width d2 and the number of the linear seal portions SE is d2: 1 mm and the number: 4. Further, the width d2 of the seal gap portion SH is, for example, 1.5 mm.

As shown in FIG. 4, the package 1 is connected in the longitudinal direction by a seal portion SEa before being separated into individual pieces. Separation is performed by cutting or fusing by a cutting mechanism 18 (see FIG. 5) at an intermediate position CT (preferably a position that is generally at the center) of the seal part SEa.
That is, the seal part SEa before separation is formed such that the width d3 in the longitudinal direction is approximately the sum of the width Lbs of the seal part 2b after separation and the width Lcs of the seal part 2c.
Further, since the linear seal portion SEC corresponding to the position CT is halved by separation, the linear seal portion SEC is preferably formed wider (for example, twice) than the other linear seal portions SE.

The filling and packaging container 1 and the filling and packaging container 2 used for the filling and packaging body 1 described above are from production to disposal as compared with conventional cans made of metal or resin and containing containers filled with the cans. The amount of CO ₂ emissions is significantly low. In addition, after the filling 3 is discharged, it can be greatly reduced regardless of the filling capacity by folding, rounding, etc., which is excellent in that the waste is space-saving and easy to dispose of the material. In this respect, it is more advantageous than the can container, and the disposal cost of the end user is greatly reduced.
Moreover, since the filling package 1 is a soft container, its shape can be changed to some extent. Accordingly, the gap between adjacent filled packages 1 when boxed, that is, so-called dead space, is remarkably reduced, and the packing efficiency is extremely high. .

Next, the filling and packaging apparatus 11 for producing the above-described filling and packaging body 1 will be described in detail. FIG. 5 is a perspective view showing a schematic overall configuration of the filling and packaging apparatus 11.
The filling and packaging apparatus 11 draws a multilayer film F (for example, a film composed of the above-described PET / AL / ONY / LLDEP) from a roll R and guides it to an upper position of the apparatus via a plurality of guide rollers 12. 11 C of guide parts, and the cylindrical shape arrange | positioned under 11 A of film guides, and the left and right edge Fa and Fb of the film F are heat-sealed in the vertical direction by the cylindrical sealing part 13, and it is set as the cylindrical cylindrical body T 11B and the cylindrical mechanism 11B, and the inside of the cylindrical body T is filled with the filling 3 and is heat-sealed at predetermined intervals in the longitudinal direction. 11 C of package preparation parts which isolate | separate into the body 1, and 11 C of conveyance parts which convey the separated package 1 outside are comprised.
The operation of the filling and packaging apparatus 11 is comprehensively controlled by the control unit SG (see FIG. 9). The control unit SG may be provided in the filling and packaging apparatus 11 or may be provided outside and connected to the filling and packaging apparatus 11 by radio or wire.
In FIG. 5, in order to facilitate understanding of the structure in the perspective view, the cylindrical body T is broken on the drawing, and the cylindrical mechanism part 11 </ b> B and the film guide part 11 </ b> A above the broken position are It is shown in a state of being rotated by 90 ° around the axis of the rod T. That is, in the actual filling and packaging apparatus, for example, the circumferential position of the cylindrical seal portion 13 is at the same position as any one of a pair of heater portions 17a (described later in detail).

Hereinafter, the main structure of the filling and packaging apparatus 11 will be described in detail.
A nozzle 14, which is the tip side of a filling material supply pipe connected to an external filling material supply device (not shown), is provided between the downstream side of the film guide portion 11 </ b> A and the upstream side of the cylindrical mechanism portion 11 </ b> B. The pipes are arranged so as to enter the inside of the body T and the leading end side extends downward.
The filler 3 is supplied to the nozzle 14. When the filling 3 requires defoaming (for example, printing ink), the filling 3 that has been sufficiently defoamed by the defoaming device on the filling supply side is supplied.
The cylindrical body T is sandwiched between a pair of rotating feed roller mechanism portions 15 and conveyed downward.
The most advanced end of the nozzle 14 extends to a position below the feed roller mechanism 15 and opens, and the filling 3 is filled into the cylindrical body T from the opening 14a.

  A pair of handling mechanism sections 16 are disposed at predetermined positions below the feed roller mechanism section 15. By the handling using the handling roller applied in the handling mechanism unit 16, the filling 3 between the front film 2e and the back film 2f is eliminated from the cylindrical body T, and the inner surfaces of both the films 2e and 2f are A handling portion T1 that directly contacts is formed.

A seal mechanism portion 17 and a cut mechanism portion 18 are disposed below the handling mechanism portion 16.
The seal mechanism part 17 and the cut mechanism part 18 are supported by a support column P extending in the vertical direction, and the vertical distance H1 between the mechanism units 17 and 18 is fixed, and the top of the support column P is synchronized in the vertical direction. It is configured to reciprocate on a predetermined movement route (see white arrow). This interval H1 corresponds to the longitudinal length L1 of the filling portion 2a of the package 1.

The seal mechanism part 17 has a pair of heater parts 17a at a position sandwiching the handling part T1, and the pair of heater parts 17a are adapted to be in contact with and separated from the handling part T1 in the horizontal direction ( (See double arrow DR1). Specifically, the pair of heater portions 17a is a pair of the left heater portion 17a1 and the right heater portion 17a2 in FIG.
And a pair of heater part 17a pinches the handling part T1, presses so that the front film 2e and the back film 2f may be crimped | bonded, and the sealant layer of the front film 2e and the back film 2f is welded by heating in that state. Thus, a seal part SEa (see also FIG. 4) is formed.

FIG. 6 is a view showing the vicinity of the heater portions 17a1 and 17a2.
As shown in FIG. 6, the heater unit 17a1 and the heater unit 17a2 are separated from each other so as to sandwich the handling unit T1 as indicated by a double-pointed arrow DR1 at the uppermost position of the moving path closest to the handling mechanism unit 16. To do.
Each heater portion 17a1, 17a2 incorporates a heater 17h, and a plurality of linear seal portions SE (on the opposite surface of one heater portion 17a1 facing the other heater portion 17a2 (on the left side in FIG. 6). A plurality of convex portions 17b extending in the width direction of the handling portion T1 for forming the processing portion T1 and a convex portion 17c for forming the central linear seal portion SEC are formed. Moreover, the opposing surface which opposes one heater part 17a1 in the other heater part 17a2 is made into the flat surface in which the convex part 17b is not formed.

FIG. 7 is a view showing the vicinity of the cutting mechanism 18.
As shown in FIG. 7, the cutting mechanism portion 18 has a pair of fusing portions 19 at positions sandwiching the seal portion SEa, and the pair of fusing portions 19 are in a horizontal direction in synchronization with the seal portion SEa. They are separated from each other (see double arrow DR2). And a pair of fusing part 19 presses from both sides on both sides of seal part SEa, and seal part SEa is blown by heating a predetermined cut position locally in that state.

  In the synchronized lowering operation, the seal mechanism 17 and the cut mechanism 18 are heated and pressed by the seal mechanism 17 with the handle T1 sandwiched between them and the cut mechanism 18 with the seal SEa. Including horizontal movement. Further, in the synchronized ascending operation, both the sealing mechanism portion 17 and the cutting mechanism portion 18 are separated from the cylindrical body T.

In FIG. 7, the fusing part 19 includes a base part 19k, a heater part 19a connected to the base part 19k, cooling parts 19b and 19c connected to the base part 19k and arranged close to the upper side and the lower side of the heater part 19a, have.
The heater portion 19a has a contact surface 19a1 extending in the width direction of the seal portion SEa, and the heater 19a2 is passed through the inside.
In a state where the seal part SEa is pressed from both sides, the heat generated from the heater 19a2 is transmitted via the contact surface 19a1 to the seal part SEa in contact with the surface.
The cooling parts 19b and 19c have contact surfaces 19b1 and 19c1 extending in the width direction of the seal part SEa, and also have water channels 19b2 and 19c2 as cooling sources inside. And the temperature of cooling part 19b, 19c is prevented from rising by the influence of the temperature rise of heater part 19a with the water distribute | circulated to water channel 19b2, 19c2.
Therefore, the temperature of the contact surfaces 19b1 and 19c1 is sufficiently lower than the contact surface 19a1 of the heater portion 19a.

In such a fusing part 19, when the dimensions of each part are pressed from both sides with the sealing part SEa sandwiched between the fusing parts 19, the contact surface 19 a 1 of the heater part 19 a contacts the central linear sealing part SEC. The contact surfaces 19b1 and 19c1 of the cooling portions 19b and 19c are in contact with a portion adjacent to the portion where the contact surface 19a1 of the linear seal portion SEC contacts. The contact portions of the contact surfaces 19b1 and 19b2 may be set so as to contact over a pair of seal narrow portions SH adjacent to the linear seal portion SEC.
That is, the dimension of each part is set closely related to the specification of the seal part SEa of the packaging body 1 that is the counterpart to be melted.
If this fusing part 19 is used, the part where the temperature rises in the seal part SEa with the cutting operation is an extremely local part limited to the area where the contact surface 19a1 of the linear seal part SEC is in contact. (A range with a cross hatch in FIG. 7).

If the temperature of the linear seal part SE other than the linear seal part SEC is close to the fusing temperature, the seal may be broken. Therefore, it is desirable that the temperature rise range be as local as possible.
Further, if the seal gap SH having the function of collecting the filler 3 is affected, the filler 3 may ooze out from the melted end face, and in that case, the package 1 is rejected as a product. Therefore, it is desired that the sealing gap SH is blown out so as not to be affected.

Since the filling and packaging apparatus 11 includes the above-described cutting mechanism 18, the temperature rise range is extremely limited and local.
Therefore, there is almost no possibility that the linear seal part SE other than the linear seal part SEC to be melted is broken, and the sealing strength of the package 1 is maintained well.
Further, the seal gap portion SH adjacent to the linear seal portion SEC to be melted radiates heat by the cooling portions 19b and 19c or by direct contact of the cooling portions 19b and 19c before heat is transferred to the seal gap portion SH. Therefore, the temperature rise is suppressed and the heater part 19a is not affected.
Therefore, the filling 3 accumulated in the seal gap SH does not ooze out from the cut end surface, and the wrapping body 1 does not fail due to the leaching out.

  FIG. 8 schematically shows a cross section of the cut portion of the package 1 cut by the cut mechanism portion 18 described above. That is, FIG. 8 is an enlarged view of the tip portion of the seal portion 2b of the package 1, and shows a linear seal portion SE5 at the tip portion, a seal gap portion SH adjacent thereto, and a linear seal portion SE4 adjacent thereto. It is typical sectional drawing which expanded the site | part containing a part. In FIG. 8, the front film 2e is divided into a base layer 2ek and a sealant layer 2es, and the back film 2f is also divided into a base layer 2fk and a sealant layer 2fs.

  As shown in FIG. 8, in the linear seal portion SE4, the sealant layer 2es and the sealant layer 2fs are fused and integrated. In the seal gap SH, the front film 2e and the back film 2f are not welded, and a filling reservoir 2tm is formed between them. The filler 3 may accumulate in the filler reservoir 2tm.

A range YT on the tip end side of the linear seal portion SE5 is a portion where the heater portion 19a has locally become extremely high temperature, and fusing is performed due to the temperature rise.
Further, due to the temperature rise, the base layer 2ek and the sealant layer 2es of the front film 2e, and the base layer 2fk and the sealant layer 2fs of the back film 2f are melted and integrated so that there is no clear boundary with each other. (Cross-hatched part).
Accordingly, the filler 3 accumulated in the filler reservoir 2tm of the seal gap portion SH does not bleed out through the mixing portion J.
Further, even if a small amount of the filler 3 is left sandwiched in the linear seal part SE5, it is microscopically confined inside the mixing part J, so that it does not ooze out from the fusing site. .
Therefore, the packaging body 1 manufactured by the filling and packaging apparatus 11 does not bleed out the filler 3 from the melted both end faces, and the packaging body 1 does not fail as a product for that reason.

  The packaging body 1 obtained by being individually separated by the cutting mechanism section 18 is placed on the belt conveyor 20 of the transport section 11D waiting below, and is carried out to a predetermined position.

If the filling and packaging body 1 is manufactured by the filling and packaging apparatus 11, the filling and packaging container 2 can be continuously produced as a soft container, so that the filling and packaging body 1 can be produced at high speed.
Moreover, since the filling and packaging apparatus 11 includes the cut mechanism portion 18 having the cooling portions 19b and 19c, when the individual filling and packaging body 1 is separated, the sealing performance of the already sealed portion is affected. Separation can be performed without any problem. Therefore, the filled package 1 can be provided on the market as a high-quality product with a stable seal strength, a good yield, little variation.

FIG. 9 is a block diagram of the filling and packaging apparatus 11. In this block diagram, the drive units that respectively drive the operations of the film guide unit 11A, the cylindrical mechanism unit 11B, the package creation unit 11C, and the transport unit 11D are collectively described as a drive system KD.
The control unit SG controls the operation of the drive system KD, the temperature control of the heater 19a2, the control of the water channel system WT that manages the temperature management and flow rate management of the water in the water channel 19b2, and the filling 3 supplied from the nozzle 14. The control of the supply system N that manages the supply amount is executed with reference to feedback information from each block.
In FIG. 9, an example in which the control unit SG is provided outside the filling and packaging device 11 is shown, but the control unit SG may be provided inside.

The seal strength required for the package 1 is, for example, 50 N when the longitudinal lengths Lbs and Lcs of the seal portions 2b and 2c are 15 mm.
An example of the manufacturing conditions of the package 1 set to obtain this seal strength is shown below. This condition is managed and controlled by the control unit SG.
Filling temperature of printing ink 3: 40-50 ° C
Sealing temperature: 220-230 ° C
Seal pressure: 480kgf
Production rate: 35 pieces / min
These condition settings can be appropriately changed according to the required seal strength and production efficiency.

The embodiment of the present invention is not limited to the above-described configuration and procedure, and may be modified as long as it does not depart from the gist of the present invention.
The filler 3 to be filled in the package 1 is not limited to printing ink, but may be any liquid or gel substance that can be injected from the nozzle 14 into the cylindrical body T.
The linear seal portion SE is not limited to a linear extension. For example, it may extend in an arc shape or a wave shape.
D / L1 which is the aspect ratio of the filling package 1 is not limited to the above-described 0.31, and may be set within a predetermined range including this.
If the aspect ratio is too small, it is easy to grip the center of the filling portion 2a, but the overall shape becomes too long and both ends hang down when supported by hand, making it difficult to return the printing ink discharge operation. .
On the other hand, if the aspect ratio is too large, it becomes difficult to handle the center of the filling portion 2a and the handling becomes difficult, and when discharging the filling material, if the entire sealing portion is removed, the opening becomes too large and replenishment The problem arises that it will not fit the entrance size of the opponent. Further, if only a part of the seal portion is cut to provide a small opening, there is a possibility that a residual portion that cannot be discharged, that is, waste may be generated.
Therefore, as a result of intensive studies by the inventor, 0.15 to 0.45 were found as a good aspect ratio range in which these problems hardly occur. It is preferable that the outer shape of the filling package 1 is set within the range of the aspect ratio.
For example, when applied to the case of the above-described filling package 1,
When the aspect ratio is 0.15, L1 = 417 mm, D = 62.6 mm
When the aspect ratio is 0.40, L1 = 255mm, D = 102mm
It becomes the size of.
In FIG. 3B and FIG. 9, it is described that there is a space as a filling reservoir in the seal gap SH, but this is exaggerated for the sake of convenience. Yes, space is not always created. There may be a case where the sealant layers 2es and 2ef are in close contact with each other in a non-welded state.

1 Filling package (packaging)
2 Filling packaging container 2a Filling part, 2b, 2c Sealing part, 2d Tube sealing part 2e Front film, 2ek, 2fk Base layer 2es, 2fs Sealant layer, 2f Back film 2tm Filling reservoir 3 Filling 11 Filling packaging apparatus 11A Film guide part 11B Cylindrical mechanism part 11C Packaging body preparation part, 11D Conveying part 12 Guide roller 13 Cylindrical seal part 14 Nozzle, 14a Opening part 15 Feed roller mechanism part 16 Handling mechanism part 17 Sealing mechanism part 17a, 17a1, 17a2 Heater 17b, 17c Convex part 17h Heater 18 Cut mechanism part 19 Fusing part 19a Heater part 19a1 (heating) contact surface, 19a2 Heater 19b, 19c Cooling part 19b1, 19c1 (Cooling) contact surface 19b2, 19c2 Water channel (cooling source) )
20 conveyor P strut, CT (separation) position, D width d1 interval, d2 width F film, Fa, Fb edge J mixing part, KD drive system L1, Lbs, Lcs (longitudinal direction) length N supply system, R roll SE, SE1 to SE5, SEC linear seal part, SEa seal part SH, SH1 to SH4 seal gap part T cylindrical body, T1 handling part YT range, WT water channel system

Claims (10)

Formed of a multilayer film including a base layer and a sealant layer, and a filling portion formed in a cylindrical shape having the sealant layer as an inner side and having a length in the axial direction thereof;
First and second seal portions sealing one end and the other end of the filling portion, respectively;
A liquid or gel-like filling filled in the filling portion;
A filled packaging body comprising:
The first and second seal portions are
A plurality of linear seal portions extending in a direction intersecting with the axial direction as a welded state of the sealant layers facing each other as a cylindrical inner surface, and spaced apart at predetermined intervals in the axial direction;
Between two adjacent linear seal portions, a filling reservoir portion that makes the sealant layers non-welded, and
A filled package characterized by comprising:   The filling package according to claim 1, wherein the filling is printing ink.   The said multilayer film has gas barrier property, The filling packaging body of Claim 1 or Claim 2 characterized by the above-mentioned.   The filling packaging body according to any one of claims 1 to 3, wherein three or more linear seal portions are formed.   2. The ratio D / L1 when the length in the axial direction of the filling portion is L1 and the width of the seal portion is D is in the range of 0.15 to 0.45. The filling package of any one of -4. A filling part formed in a cylindrical shape from a multilayer film including a base layer and a sealant layer with the sealant layer inside, a pair of sealing parts for sealing both ends of the filling part, and a filling filled in the filling part A filling and packaging apparatus for producing a filling and packaging body comprising:
A cylindrical mechanism part that is vertically sealed while transporting the film in the first direction to form a cylindrical cylindrical body,
An injection part for injecting the filler into the cylindrical body;
A handling mechanism that handles the cylindrical body into which the filler has been injected and forms a handling part that can be contacted by the sealant layers facing each other as a cylindrical inner surface;
A seal mechanism that heats and presses the handle and welds the opposing sealant layers together to form a seal;
A cut mechanism part for fusing the seal part,
The seal mechanism is
A plurality of convex portions extending in a second direction intersecting with the first direction are provided at predetermined intervals in the first direction, and the plurality of convex portions are pressed and heated against the handling portion. Comprising a heater part capable of forming a plurality of linear seal parts corresponding to the part,
The cutting mechanism is
A heating unit having a heating contact surface extending in the second direction and a heating source for heating the heating contact surface;
A pair of cooling units provided in parallel on both sides in the second direction with respect to the heating unit, having a cooling contact surface extending in the second direction and a cooling source for cooling the cooling contact surface;
With
The heating contact surface of the cut mechanism portion presses and heats one linear seal portion of the plurality of linear seal portions formed by the seal mechanism portion, and the cooling portion has the one linear shape. A filling and packaging apparatus configured to cool a region adjacent to a seal portion and melt the one linear seal portion. A filling part formed in a cylindrical shape from a multilayer film including a base layer and a sealant layer with the sealant layer inside, a pair of sealing parts for sealing both ends of the filling part, and a filling filled in the filling part A method for producing a filled package for producing a filled package comprising:
A cylindrical step of vertically sealing the film while transporting the film in the first direction;
An injection step of injecting the filler into the cylindrical body;
A handling step of handling the cylindrical body into which the filler has been injected and forming a handling portion that can contact the sealant layers facing each other as a cylindrical inner surface;
A sealing step in which the handling portion is heated and pressed, and the sealant layers facing each other are welded to form a sealing portion;
A cutting step for fusing the seal part,
In the sealing step,
A plurality of linear seal portions that weld the sealant layers facing each other as a cylindrical inner surface, extend in a second direction crossing the first direction, and are spaced apart from each other at a predetermined interval in the second direction. Forming,
In the cutting step,
A method for manufacturing a filled package, wherein one of the plurality of linear seal portions formed in the sealing step is fused.   The method for producing a filled package according to claim 7, wherein the filling is printing ink.   The method for producing a filled package according to claim 8, further comprising a defoaming step of defoaming the printing ink before the injecting step. The cutting step includes
The method for manufacturing a filling package according to any one of claims 7 to 9, wherein the one linear seal portion is fused while cooling a region adjacent to the one linear seal portion.

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