JP2003094536A - Four-side sealing type packaging body and manufacturing apparatus therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a four-side sealing type packaging body which is formed in a safe shape and wherein packed contents are hardly left. SOLUTION: The packaged body 1 has a sack part 2, seal parts 3 formed in the peripheral edges on four sides of the sack pat 2 and a pair of notches 33 formed on the sides opposite to the seal parts 3. By joining the packaging body 1 in three rows with slits 5 formed, a three-row packaging body W is formed. Corner portions 31 of the seal parts 3 are formed in the shape of an arc and corner portions 2b of the sack part 2 are also formed in the shape of the arc. In a packaging machine manufacturing the three-row packaging body W, the seal parts are stuck in seal forming parts of paired opposite films and simultaneously contents in a prescribed amount are filled, while the corner portions 31 of the seal parts 3, the notches 33 and the slits 5 are formed in seal cutting parts by edge members disposed on a cutter roll. Scraps brought about on the occasion of cutting at the seal cutting parts are partly rolled up and partly recovered.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a four-way seal type packaging body for packaging contents such as foods and medicines such as granules, powders, solids and liquids, and a manufacturing apparatus therefor, more specifically,
The present invention relates to a four-way seal type packaging body for sealing an edge portion around a bag portion for filling contents and a manufacturing apparatus for the same.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 14, a four-sided seal type wrapping body 51 has two laminated film-like wrapping papers adhered to each other to fill the contents and heat-sealing the four sides. Formed by sealing, usually in a row or 2
It is formed by joining in three rows. One package 51
Is composed of a bag portion 52 filled with contents and seal portions 53 arranged on four sides of the bag portion 52. The corner portions 54 of the seal portion 53 are formed in a pin-corner shape, and the vicinity of the corner portions 54 is formed. A notch 55 was formed at a position where a part of the bag portion 52 could be cut. Then, the base portion 56 of the seal portion 53
Are all formed linearly. That is, the four corners 57 of the bag 52 were formed at right angles.

A known packaging machine 60 for producing the four-sided seal type packaging body 51 forms a three-row packaging body W1. As shown in FIG. 15, reels arranged facing each other are provided. Wrapping papers F and F that are respectively wound and fed
When the seal forming portion 61 forms the four side seal portions 53, the seal forming portion 61 seals three sides except the upper seal portion (that is, the upper seal portion is open). In a pre-packaged state)
A filling chute 62 for measuring and dropping a predetermined amount of the contents in the hopper, a cut / slit cutting portion 63 for forming a perforation slit 58 in the longitudinal direction and cutting left and right measuring edges, and an eye notch for forming an eye notch. Cutting part 6
A pulling roller group 65 that pulls downward with the four and four-sided seal portions 53 formed, and a seal cutting portion 66 that cuts the package 51 connected in the vertical direction so as to be vertically separated by the seal portion 53. And a cut portion 67 (see Japanese Patent No. 2761827).

The packaging machine 60 is constructed so that three-row packaging bodies filled with contents are connected in parallel in the horizontal direction for production. And, in particular, in the cut / slit cutting portion 63 arranged below the seal forming portion 61,
A slit blade 631 forming a perforation cut is arranged so as to easily separate the three-row packaging body W1 into a single-row packaging body 51, and the packaging body 51 in which the slits 58 are formed and the contents are filled is cut. -Feeding downward by the pulling roller group 65 arranged below the slit cutting portion 63,
Further, a seal cutting portion 67 arranged below is horizontally cut so that it can be separated in the vertical direction.

Since the seal cutting portion 66 has a fixed blade 661 and a rotary blade 662 and cuts the seal portion 53 in a straight line so as to be vertically separable, the fixed blade 661 formed in a flat plate shape. A rotary blade 662 that is rotatably formed.
Is configured to be cut by rotating. Further, scrap is hardly generated by this cutting.

The three-row packaging W1 cut by the seal cutting unit 66 is dropped onto the chute 68, normal ones are transferred from the chute 68 onto the conveyor 70, and defective ones are transferred from the chute 68 to the conveyor 69. Listed.

[0007]

However, in the conventional four-sided seal-type packaging body 51, the corner portions of the seal portion 53 are formed in a pin-corner shape, which means that the four-sided seal-type packaging body 51 is formed.
It is dangerous to hit the corners 54 of the body against the body due to the pin angle, and when manufacturing a large amount of four-sided seal type packaging body 51, it is easy to damage other four-sided seal type packaging body 51 with the pin angle. It was

Therefore, it has been a problem to remove the pin angle. In order to remove the pin angle, the pin angle must be removed when the package 51 is manufactured, and the cut pin angle remains as scrap, so the treatment method must be considered.
Moreover, even if the structure of the seal cutting portion 66 is made more complicated than the current one in order to remove the pin angle, it is necessary to make the structure as inexpensive as possible.

Moreover, since the cut / slit cutting portion 63 and the seal cutting portion 66 are arranged in the vertical direction with the pulling roller group 65 in between, the apparatus itself is made large in size and constructed as a high cost apparatus. It was supposed to be.

Further, the fact that the base portion 56 of the seal portion 53 is formed in a straight line means that the corner portions 57 having pin angles are formed at both ends of the connecting portion between the seal portion 53 and the bag portion 52. Therefore, if the contents filled in the bag portion 52 are, for example, granules or powders, it becomes easy to store the contents in the corner portion 57 when the contents are discharged to the outside. It was easy to dispose of without taking a dose of.

The present invention solves the above-mentioned problems, and provides a four-way seal type packaging body which is not dangerous and can use almost all the contents filled in the bag portion. An object of the present invention is to provide a manufacturing device for a four-sided seal type packaging body that can configure the manufacturing device at a low cost and can collect the clap.

[0012]

In order to solve the above-mentioned problems, the four-way seal type packaging body according to the present invention is constructed as follows. That is, a four-sided seal type packaging body formed by having a bag portion and seal portions formed on four sides of the bag portion, wherein at least a corner portion of the seal portion is formed in an arc shape or a chamfered shape. At least a corner portion of a peripheral portion of the bag portion is formed in an arc shape.

Further, one pair of notches may be formed on a pair of opposing surfaces of the seal portion formed in four directions.

The four-side seal type package manufacturing apparatus according to the present invention includes a pair of supply units for arranging the laminated wrapping paper at symmetrical positions with respect to the apparatus and supplying the wrapping paper into the apparatus. A seal forming portion that seals the peripheral edge of the wrapping paper, a content supplying portion that stores the content from above, measures a predetermined amount of the content, and supplies the content toward the lower seal forming portion, and a vertical direction. A manufacturing device of a four-way seal type packaging body configured to have a seal cutting section for separating the connected packaging bodies, wherein the seal forming section has at least the packaging section having a bag section and a sealing section. A heat roller having a die surface that forms four corners of the bag peripheral edge in an arc shape is provided, and the seal cutting portion has a cutter having a blade portion that forms at least the corner portion of the seal portion in an arc shape or a chamfer shape, and at least an arc shape. A scrap storage portion that is generated by cutting a corner portion of the seal portion that is formed in a chamfered shape is arranged, and a suction device that sucks the stored scrap is connected to the storage portion. It is characterized by.

Further preferably, the cutter is a cutter roller in which a plurality of blade members for separating at least the package body connected to each other at the seal portion and cutting a corner portion of the seal portion are embedded in the circumferential direction. And a receiving roller which is arranged so as to be capable of being pressed against the cutter roller and which has a suction cup which sucks the cut package and is arranged in the circumferential direction to guide the package. Good.

Further, it is more preferable that the cutter roller is formed to have a storage portion for storing the cut scraps, and the connection hose of the suction device is connected to the storage portion.

Further, the cutter roller may be provided with slit blades forming perforations formed in the vertical direction so as to be able to separate the multi-row packaging body, between the blade members.

[0018]

In the four-way seal type packaging body of the present invention, since the corner portions of the seal portion are formed in an arc shape or a chamfer shape, even if the corner portions of the seal portion are applied to the body, there is no risk of injury. It is not accompanied by. Moreover, since the base portion of the seal portion, that is, the peripheral corner portion of the bag portion is formed in an arc shape, when the contents are opened and the contents are discharged, the filled contents flow while being guided by the arc portions. As a result, almost all the contents can be discharged, and it becomes possible to use the contents efficiently.

Since a pair of notches are formed on the pair of opposing surfaces of the seal portion of the package, it is easy to open the package by opening the notch along the bag.

Further, in the apparatus for manufacturing a four-sided seal type package of the present invention, a fixed amount of contents is filled when the two wrapping papers are adhered, and the seal forming section is provided around the four side edges of the bag section. The four-sided seal type that has been cut because it is adhered and further cut at the seal cutting part in order to separate it in the vertical direction and the corners of the seal part are cut with an arc-shaped or chamfered cutter The packaging body is not formed so as to injure the body at the corners of the seal portion, and the peripheral portion of the bag portion is formed so that the contents can be easily discharged. Moreover, since the scrap generated when cutting the corners of the seal part is stored in the cutter part and all is sucked by the suction device, the scrap is not dropped around the manufacturing device, and the surroundings of the device are cleaned. be able to.

Further, the cutter roller cuts the continuously formed seal portion and embeds a blade member which forms the corner portion of the seal portion into an arc shape or a chamfered shape very easily in the circumferential direction, and the cutter roller is attached to the cutter roller. Since the receiving roller that is in pressure contact has a suction cup that adsorbs the packaging body in the circumferential direction, the packaging body that is separated by cutting the seal portion is adsorbed by the suction roller of the receiving roller, for example, on the receiving roller side. If the conveyor is arranged below, the package is discharged onto the conveyor, and scraps generated when cutting the corners of the seal portion can be collected in the cutter roller storage portion. Therefore, the package and the scrap can be discharged separately, and a compact device can be provided, and since the suction device can be connected to the storage part, the scrap can be cleaned without dropping around the device. it can. Moreover, since the scrap can be collected at the seal cutting portion, the device can be configured compactly and at a low cost without increasing the number of steps.

Further, the cutter roller is provided with slit blades for forming perforations formed in the vertical direction between the blade members so that the multi-row packaging body can be separated as a single packaging body. Therefore, in the case of manufacturing packages arranged side by side in three rows, the step of forming slits can be performed at the seal cutting portion, so that a more compact device can be provided.

[0023]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. The four-way seal type packaging body of the present invention (hereinafter referred to as a packaging body) is formed into a bag shape by laminating two laminated films together, and is also a granule, a powder, a solid body of foods or drugs, etc. When forming a package while filling contents such as liquid in a manufacturing apparatus, the pin angle of the seal portion is removed and at least the corner portion of the peripheral portion of the bag portion with the seal portion is formed into an arc shape. Is not left in the package. Moreover, the scrap generated during the manufacture is collected so that the surroundings of the device are not polluted.

Therefore, the packaging body 1 of the embodiment is shown in FIG.
As shown in FIGS. 2 to 2, there are a bag portion 2 formed in a rectangular shape or a square shape in plan view and filled with the contents S, and a seal portion 3 formed by adhering outer peripheral portions around four sides of the bag portion 2. Is formed. The material of the wrapping paper F that forms the package 1 in the shape of a bag is composed of a plurality of laminated films in which polyethylene terephthalate film, aluminum foil, polyethylene film and the like are sequentially laminated, and the sealing portion 3 heats the two laminated films. It is formed by adhesion by fusion.

The outer shape of the seal portion 3 has both corner portions 31.
31 is formed in an arc shape with a small radius
A central portion 32 connecting the two is formed in a straight line. Then, in each of the opposite surfaces of the seal portion 3 (in the embodiment, the longitudinal end surfaces of the packages arranged in three rows in the lateral direction), the vicinity of one end surface of the bag portion 2 is cut. A V-shaped notch 33 is formed for this purpose. Then, the four corners of the base portion of the seal portion 3, that is, the peripheral edge portion 2 of the bag portion 2
The corners 2b at the four corners of a are also formed in an arc shape with a small radius.

The package 1 of the embodiment shown in FIG.
A three-row packaging body is produced by connecting three rows of packaging bodies in a cutable manner, and in a three-row packaging body W produced by a production apparatus described below, between adjacent packaging bodies 1 and 1.
Star-shaped or diamond-shaped scrap will be generated to form the corners 31 and the notches 33 of the package 1. The package 1 may of course be manufactured in a single row or may be manufactured by connecting two rows or four or more rows.

As shown in FIGS. 3 and 4, the outer shape of the seal portion 3 is such that both end faces in the vertical direction of the seal portion 3 are arcuate or child-like with a large radius from the both corner portions 31, 31 as a whole. The arc-shaped portion 3A may be formed as described above, or the four corners may be chamfered 3C as shown in FIG. In addition,
The base portion of the seal portion in the package of the embodiment shown in FIGS. 3 and 5, that is, the four corners of the peripheral portion of the bag portion 2 is formed in an arc shape having a small radius, like the bag portion 2 of the embodiment shown in FIG. Both end portions in the vertical direction of the bag portion 2 shown in FIG. 4 have arc-shaped portions 2A formed in an arc shape or an arc shape having a large radius throughout.

In any case, the shape of the seal portion 3 is formed by the cross-sectional shapes of the movable blade and the fixed blade of the seal cutting portion in the manufacturing apparatus described later, and the shape of the base portion of the seal portion 3 (the peripheral portion 2a of the bag portion). The shape is formed by the mold surface of the pressure contact roller of the seal forming unit in the manufacturing apparatus described later.

Next, a manufacturing apparatus (hereinafter referred to as a packing machine) 10 for manufacturing the package 1 will be described.

The packaging machine 10 of the embodiment, as shown in FIG. 6, has a pair of reels 121 and 121.
Laminated film wrapping paper F / F wrapped around 121
Are sequentially supplied into the apparatus through the guide rollers 122 and 122, and the contents (which will be described as granular chemicals in the embodiment) S which are arranged on the upper part of the machine casing 11 are stored. A fixed amount supply unit 14 that quantitatively measures the granular medicine S falling from the hopper 13 and the hopper 13 and supplies it downward.
And a content supply unit 15 having the above-mentioned structure and the two fed wrapping papers F and F are adhered to each other to adhere the ends thereof, and a seal is formed to fill the granular medicine S supplied from the content supply unit 15. The portion 16, the pulling roller 17 configured to pull the three-row packaging body W formed by the seal forming portion 16 downward, and the perforation that can be cut from the three-row packaging body W into the single-row packaging body 1 are formed. In addition, a seal cutting section 18 that forms the outer shape of the seal section 3 and separates and cuts the package body 1 (or the three-row package body W) that flows continuously downward in the vertical direction is configured.

As the constitutions of the supply units 12 and 12, the hopper 13, and the constant amount supply unit 14 in the embodiment, known ones (for example, Japanese Patent No. 2761827) can be used.
When the sheets of wrapping paper F / F are adhered to each other at the seal forming portion 16, a certain amount of the granular medicine S is filled in the preliminary packaging body 1 having the upper sealing portion 3 opened.

As shown in FIGS. 7 to 8, the seal forming portion 16 is provided with a pair of pressure contact rollers (hereinafter referred to as heater rollers) 161, 162 for sandwiching the two wrapping papers F, F. In order to bond the heater rollers 161 and 162 to the recesses 161a and 162a arranged at five locations in the circumferential direction to form the bag portion 2 of the package 1 and the seal portion 3 by heat fusion, Each recess 1 is formed so that it can be heated.
Protrusions 161b arranged to surround 61a and 162a
And 162b.

The heater roller 161.1 of the embodiment is
In order to manufacture the three-row package W, 62 has three rows of recesses 161a and 162a formed in the lateral direction. The four corners of each recess 161a and 162a are formed in an arc shape. With this, the bag portion 2 of the manufactured package 1
The peripheral corner portion 2b of the is formed in an arc shape.

Therefore, the two parts fed from the supply unit 12
The film F is a pair of heater rollers 161.1
By passing between 62, the pre-packaging body 1A in the connected state is formed. Moreover, the timing of filling the granular medicine S is one convex portion 161b.
After the two films 2F sandwich the two films F, F and press-contact with each other, the heater rollers 161, 162 rotate to move to the next convex portion 161b.
-While the 162b moves to the position where it is pressed, the granular medicine S from the constant quantity supply part 14 is filled.

The pulling roller 17 has a seal forming portion 16
A pair of elastic rollers (for example, formed of urethane rubber) 171 for sandwiching the pre-package 1A formed in 1.
-It has 172 and is formed so as to send the pre-package 1A downward.

As shown in FIGS. 6 and 9, the seal cutting section 18 has a pair of rollers (a cutter roller 19 and a receiving roller 20) for sandwiching the preliminary packaging body 1A, and the preliminary packaging body 1A is vertically moved. Is separated and cut, and the outer peripheral shape of the seal portion 3 is cut into a predetermined shape to form a three-row package W.
Sequentially toward the one receiving roller 20 side.
It is configured such that it is dropped onto one cutter and conveyed, and both edges of the preliminary package 1A are conveyed as scrap FS toward the other cutter roller 19 side and wound around a winder (not shown).

The cutter roller 19 is rotatably supported and has a blade portion for cutting the preliminary packaging body 1A into a predetermined shape. As shown in FIGS.
In the recess 192 formed along the circumferential direction of 91, the blade member 22 having the blade portion is embedded at five positions in the circumferential direction at an equal angle. The blade member 22 is formed in an elongated plate shape, is formed in a sharp shape in the longitudinal direction from the center portion in the lateral direction, and cuts the connected pre-packaging bodies 1A so as to be separated in the vertical direction. A horizontal seal cutting blade 221, an edge cutting blade 222 that cuts both edges in the feeding direction of the preliminary packaging body 1A, and both corner portions 31 of the seal portion 3 of the central packaging body 1 in the three-row packaging body W. Corner cutting blade 223 forming arc 31 and notch cutting blade 2 forming a central notch
And 24 are formed.

The edge cutting blade 222 has a half-star-shaped blade portion 222a and a half-diamond-shaped blade portion 222b which are formed on both edges of the blade member 22 and project toward the central portion of the blade member 22. Further, the corner cutting blade 223 and the notch cutting blade 224 have a star-shaped hole 223a and a diamond-shaped hole 224a in the lateral direction of the blade member 22 in order to form the three-row package W, and the scrap is cut by the cutter roll 19. It can be inserted inside.

Further, in the cutter roller 19, the corner cutting blade 223 and the notch cutting blade of the blade member 22 are provided on the roller main body 191 between the blade members 22 and 22 arranged at five locations along the circumferential direction. 225 a pointed vertical cutting blade 226 (FIG. 9).
(See) is located. The pointed vertical cutting blade 226 is 3
The perforation slits 5 for cutting the row wrapping body W into a single row are formed, and are formed as sawtooth intermittent blades along the circumferential direction of the vertical cutting blade 226. Then, in the embodiment, the vertical cutting blades 226 are formed in two rows in the vertical direction.

Further, as shown in FIG. 10, the cutter roller 19 has a hollow inside to form a scrap storage portion 193, and the star-shaped hole 223a and the diamond-shaped hole 224a formed in the blade member 22 are formed in the scrap storage portion 193. The star-shaped scrap SS generated by cutting the corner portion 31 of the seal portion 3 and the diamond-shaped scrap NS generated by cutting the notch 33 are recovered by communicating with each other. Then, the scrap storage portion 193 is extended to one end of the cutter roller 19 and the discharge port 194 is provided, so that a suction device (not shown) connected to the discharge port 194 forms a star-shaped scrap SS.
And the rhombus scrap NS is sucked.

The receiving roller 20 is rotatably supported and arranged so as to be in pressure contact with the cutter roller 19, and five groove portions 20 are formed along the circumferential direction of the roller body 201.
2 are formed in 3 rows. Then, two suction cups 25 are attached to each groove 202 along the circumferential direction.
The suction cup 25 is connected to a plurality of air passages 203 that are formed along the axial direction of the roller body 201 and pass through the inside of the groove portion 202, and are arranged so as to adsorb the three-row packaging body W cut by an adsorption device (not shown). There is.

Next, the packaging machine 10 configured as described above.
The action of will be described.

In the packaging machine 10 of the embodiment, the supply unit 12
Wrapping paper F fed from 12 reels 121/121
Is fed to the seal forming portion 16 via the guide rollers 122 arranged in the vertical direction. Seal forming part 16
The two wrapping papers F and F sandwiched between the heater rollers 161 and 161 are heated heater rollers 161 and 161.
By the rotation of, the protrusions 161b and 161b are pressed against each other to be heat-sealed and the seal portion 3 is formed.

At this time, after one convex portion 161b / 162b sandwiches and press-contacts the two films F / F, the heater rollers 161/162 rotate to rotate the next convex portion 161b / 16.
While moving to the position where 2b is in pressure contact, the granular drug S from the fixed amount supply unit 14 is filled. After that, the next convex portion 1
When the 61b and 161b are brought into pressure contact with each other, the opened upper seal portion 3 is bonded by heat fusion to form the preliminary package 1A.

The pre-packaging body 1A having the four-sided seal portions 3 formed therein and containing the medicine S is sent downward by the pulling roller 17, and is cut into a predetermined shape by the seal cutting portion 18. That is, the sent out pre-packaging body 1A is pulled downward by being sandwiched between the rotating cutter roller 19 and the receiving roller 20, and at the same time, the blade member 2
2, a horizontal seal cutting blade 221 and an edge cutting blade 22
2. With the corner cutting blade 223 and the notch cutting blade 224,
The wrapping body 1 shown in FIG. 1 is cut into three rows of wrapping bodies W that are connected in three rows, and the vertical cutting blades 226 arranged between the blade members 22 allow the three rows of wrapping bodies to be vertically divided into three parts. Two rows of perforation slits 5 are formed in the direction. Then, the three-row packaging W is dropped onto the chute 21 while being adsorbed by the suction cup 25 of the receiving roller 20, and is conveyed leftward in FIG. 6 to be a product.

On the other hand, the edge scrap FS cut by the edge cutting blade 222 is wound as a continuous scrap by a winder (not shown) arranged at the right end of the packaging machine 10. Also, the corner cutting blade 22
The star-shaped scrap S and the diamond-shaped scrap NS cut by the 3-notch cutting blade 224 are cut by the cutter roller 19
After being sequentially sent out to the scrap storage portion 193 therein, it is sucked by a suction device (not shown).

As described above, in the four-sided seal type packaging body 1 of the embodiment, since the corner portion 31 of the seal portion 3 is formed in the arc shape or the chamfered shape, the corner portion 31 of the seal portion 3 is applied to the body. There is no danger of injury. Moreover, the base portion of the seal portion 3, that is, the peripheral portion 2 of the bag portion 2
Since the corner portion 2b of the a is formed in an arc shape, when the contents are opened and the contents are discharged, the filled contents S flow while being guided by the arc parts, so that almost the entire contents are discharged. The object S can be discharged and can be used efficiently.

A notch 3 is provided at one place of the seal portion of the above package.
Since 3 is formed, it is easy to open the package 1 by opening the notch 33 along the bag 2.

Further, the four-sided seal type wrapping machine 10 of the embodiment fills a certain amount of the contents S when the two wrapping papers F and F are bonded together, and the seal forming section 16 causes the bag section to The outer circumferences of the two sides are bonded, and the seal cutting part 1
The wrapping body 1 connected at 8 is cut to separate it in the vertical direction, and the corner portion 31 of the seal portion 3 is cut by the cutter roller 19 formed in the arc shape or the chamfered shape. The corner portion 31 of the seal portion 3 is not formed so as to injure the body, and the peripheral portion 2a of the bag portion 2 is formed so that the contents S are easily discharged. Moreover, both edge scraps FS generated when cutting the corners 31 of the seal portion 3 are wound up by the winding machine, and the star-shaped scrap SS and diamond-shaped NS are cut by the cutter roller 1.
Since it is housed in 9 and sucked by the suction device, it is possible to clean the periphery of the device without dropping the scrap around the packaging machine 10.

Further, the cutter roller 19 cuts the continuously formed seal portion 3 and embeds in the circumferential direction a blade member 22 which very easily forms the corner portion 31 of the seal portion 3 in an arc shape or a chamfered shape. However, since the receiving roller 20 that is in pressure contact with the cutter roller 19 has the suction cups 25 that adsorb the packaging body 1 in the circumferential direction, the packaging body 1 separated by cutting the seal portion 3 is the receiving roller 20. If the conveyor 21 is adsorbed by the suction cups 25 of, and the conveyor 21 is arranged below the receiving roller 20, for example, the package 1 is discharged onto the conveyor 21 and the star shape generated when the corner portion 31 of the seal portion 3 is cut. The scrap SS and the diamond-shaped scrap NS are collected in the scrap storage portion 193 of the cutter roller 19, and the both-edge scrap FS can be wound up. Therefore, the package 1 (three-row package W) and the scrap FS / SS / NS can be discharged separately, and a compact device can be provided, and a suction device can be connected to the scrap storage unit 193. The scrap SS / NS can be cleaned without dropping around the equipment. Moreover, since the scrap SS / NS can be collected by the seal cutting unit 18, it is possible to configure the device at a low cost with a compact size without increasing the number of processes.

Further, the cutter roller 19 is provided with a vertical cutting blade 226 for forming perforations formed in the vertical direction so that the multi-row package can be separated as a single package 1.
Since it is arranged between the blade members 22 and 22, the step of forming the slits 5 can be performed by the seal cutting part 18 when manufacturing the three-row package W arranged side by side. It is possible to provide a more compact device.

The package 1 may have a shape other than that shown in the drawings as long as the corner portions 3 of the seal portion 3 are not formed with pin angles.

Further, the structure of the packaging machine 10 is characterized by the shape of the mold in the horizontal seal forming part 16 and the structure of the seal cutting part 18, and particularly the supplying part 12, the seal forming part 16 and the hopper. With respect to the configuration of the fixed amount supply unit 13 and the fixed amount supply unit 14, another known configuration may be used.

The shape of each blade of the blade member 22 of the cutter roller 10 or the shape of the mold surface of the heater roll 161 is determined by the outer shape of the seal portion 3 of the formed package 1 or the corner of the peripheral portion 2a of the bag portion 2. As a matter of course, it is appropriately determined depending on the shape of the portion 2b.

[Brief description of drawings]

FIG. 1 is a plan view showing a four-sided seal type wrapping body showing one embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is a plan view showing a four-way seal type packaging body according to another mode.

FIG. 4 is a plan view showing a four-way seal type packaging body according to still another form.

FIG. 5 is a plan view showing a four-way seal type packaging body according to still another form.

6 is a simplified side view showing a packaging machine for producing the packaging body of FIG. 1. FIG.

7 is a front view showing a heater roller of a seal forming portion in FIG.

FIG. 8 is a partial plan view showing a die surface of the heater roller in FIG.

9 is a view on arrow IX in FIG.

10 is a sectional view taken along line X-X in FIG.

11 is a side view showing the cutter roller in FIG. 9. FIG.

FIG. 12 is a plan view showing the blade member in FIG. 9.

13 is a cross-sectional view showing the receiving roller in FIG.

FIG. 14 is a plan view showing a conventional four-sided seal type wrapping body.

FIG. 15 is a simplified front view showing a conventional four-side sealed package manufacturing apparatus.

[Explanation of symbols]

1 ... Package 2 ... bag 2a ... peripheral portion 2b ... Corner 3 ... Seal part 31 ... Corner 32 ... central part 33 ... Notch 5 ... slit 10 ... Wrapping machine 11 ... Machine frame 12 ... Supply unit 15 ... Quantitative supply unit 16 ... Seal forming part 161 ... Heater roller 17 ... Pulling roller 18 ... Seal cutting part 19 ... Cutter roller 193 ... Scrap storage section 20 ... Receiving roller 22 ... Blade member 25 ... sucker F ... wrapping paper S ... Contents FS / SS / NS ... scrap W ... 3-row packaging

Continued front page    F term (reference) 3E067 AA03 AA05 AA11 AB01 AB81                       AC11 BA31A BB12A BB14A                       BB25A CA24 EA09 EB07                       EE59 EE60 FA01 FA09 FB05                       FC01                 3E075 AA04 BA42 BA52 CA02 DA05                       DA14 DA23 DA42 DB02 DB12                       DB32 DD13 DD33 DD42 DD43                       DE25 GA02

Claims (6)

[Claims] 1. A four-way seal type packaging body having a bag part and seal parts formed on four sides of the bag part, wherein at least corners of the seal part are arcuate or chamfered. The four-sided seal-type packaging body, wherein at least a corner portion of a peripheral portion of the bag portion is formed in an arc shape. 2. The four-way seal type package according to claim 1, wherein notches are formed at one location on each of a pair of opposing surfaces of the seal portion formed on four sides. 3. A pair of supply parts for arranging laminated wrapping paper at symmetrical positions with respect to the device and supplying the wrapping paper into the device, and a seal forming part for sealing a peripheral portion of the wrapping paper. It has a content supply unit that stores the content from above, measures a predetermined amount of the content, and supplies it toward the seal forming unit below, and a seal cutting unit that separates the packages connected in the vertical direction. In the manufacturing apparatus for a four-side sealed package, the seal forming part has a mold surface that forms at least four corners of the periphery of the bag part in an arc shape of a package having a bag part and a seal part. A heat roller is provided, and the seal cutting portion includes a cutter having a blade portion that forms at least a corner portion of the seal portion in an arc shape or a chamfer shape, and at least a corner portion of the seal portion formed in an arc shape or a chamfer shape. Disconnect Is arranged a housing portion of the scrap generated by the in the housing portion, the manufacturing apparatus of the four-way seal type packaging, wherein a suction device for sucking is connected to housed said scrap. 4. The cutter roller, wherein at least the package body connected to the cutter is separated by the seal portion and a plurality of blade members for cutting the corners of the seal portion are embedded in the circumferential direction, A receiving roller which is disposed so as to be capable of being brought into pressure contact with a cutter roller, and which has a suction cup which adsorbs a cut package and is circumferentially disposed so as to convey and guide the package. Item 4. An apparatus for producing a four-sided sealed package according to Item 3. 5. The cutter roller is formed to have a storage portion for storing cut scraps, and a connecting hose of a suction device is connected to the storage portion. An apparatus for manufacturing the four-sided seal type package described. 6. The cutter roller is provided with slit blades forming perforations formed in a vertical direction for separating the multi-row packaging body from each other, the slit blades being arranged between the blade members. The manufacturing apparatus for a four-sided sealed package according to claim 4.