CN105620884A

CN105620884A - Package container, making method thereof, and package body

Info

Publication number: CN105620884A
Application number: CN201610157333.4A
Authority: CN
Inventors: 后藤典夫
Original assignee: MITO SAIEN CORP
Current assignee: MITO SAIEN CORP
Priority date: 2006-04-13
Filing date: 2007-04-12
Publication date: 2016-06-01
Anticipated expiration: 2027-04-12
Also published as: ATE522448T1; KR20080113234A; EP2006208A2; HK1222380A1; TW200800734A; TWI447048B; EP2006208B1; EP2006208A9; EP2006208A4; KR101132265B1; WO2007119780A1; CN105620884B; CY1112099T1

Abstract

The present invention provides a packaging container that can be opened with a simple structure, the packaging container comprising a bag assembly (6) having first and second sealing sections (2, 3) formed at two opposite sides of four sides, and a third sealing section (4) where one side of the remaining two sides is a folding line, wherein the one remaining side is opened. The opened side is joined together in a state in which an object is placed inside the bag assembly, a fourth sealing section (5) is formed at an angle substantially orthogonal to the third sealing section (4), a pair of first and second triangles with the fourth sealing section (5) as the shared bottom side are formed, a pair of third and fourth triangles with the third sealing section (4) as the shared bottom side are formed, and the tetrahedral packaging container (6) is formed where the oblique lines of the triangles adjacent to each other in the circumferential direction are connected to each other. The first and second sealing sections (2, 3) located on the vertical lines of the first and second triangles are used as an unsealing guide for tearing.

Description

The manufacture method of bag, bag and wrapping body

Patent application of the present invention is international application no is PCT/JP2007/058056, and international filing date is on April 12nd, 2007, and the application number entering National Phase in China is 200780013307.3, and name is called point case application of the application for a patent for invention of " wrapping body ".

Technical field

The present invention relates to bag, the manufacture method of bag and wrapping body, particularly relate to the wrapping body that can simply break a seal.

Background technology

Generally speaking, many commodity are packaged in the bag of square shape, can breaking a seal of open bag, it is possible to take out article wherein. The bag broken a seal still has square shape, before article wherein are finished, plays the function of wrapping material always. Tetrahedral wrapping material, i.e. so-called four directions shape wrapping material (trade name: TETRAPACK) also having the direction on a kind of one side orthogonal with the direction of its opposite side.

Existing much for the patent application of wrapping material. Such as patent documentation 1 describes a kind of food packing bag, arranges rebate outstanding upward in Kaifeng with sewing line mark place, rebate is pulled open towards left and right, namely easily form opening behind Kaifeng. In addition, the structure in the easy Kaifeng of sandwiched adhesives between a kind of body at packaging bag body and lid recorded by patent documentation 2.

On the other hand, about the wrapping material in easily Kaifeng, patent documentation 3 describes a kind of tubular packaging material, is provided with the backing portion with fixed wide lancinating, patent documentation 4 describes a kind of has excellent tear resistance wrapping material, is laminated with tear resistance different film-clamp is assorted. But, these wrapping material have following technical problem.

[patent documentation 1] Japanese Unexamined Patent Publication 2005-138899 publication

[patent documentation 2] Japanese Unexamined Patent Publication 2000-264348 publication

[patent documentation 3] Japanese Unexamined Patent Publication 2000-153871 publication

[patent documentation 4] Japanese Unexamined Patent Publication 9-30559 publication

Summary of the invention

Above-mentioned Traditional Packing material adopts structure especially to guarantee easily to break a seal, for example sewing line mark is made to have special shape, or packaging bag body body and lid between sandwiched adhesives, or arrange the backing portion with fixed wide lancinating, or being mingled with stacking has different tear resistance film. But, above-mentioned structure is all comparatively complicated, has cost and the problem of manufacturing step complexity.

Because the above-mentioned fact, it is an object of the invention to provide a kind of wrapping body, this wrapping body is the bag forming one end open in the process of connection with wrapping of piece, and makes, by forming the necessary mouth-sealed portion of this bag, the Kaifeng guiding torn, thus without the need to adopting special means, can easily break a seal.

In order to reach above-mentioned purpose, the present invention is the wrapping body of a kind of four sides three-dimensional shape, 2 limits that a couple for bag is relative each other and another 1 limit in 2 relative each other limits is closed by the 1st��3rd closure, remaining 1 limit is opening, in such bag, accommodate object product, in this case, 4th closure intersected substantially vertical with aforementioned 3rd closure is set and carrys out closed aforementioned opening, it is characterized in that, using the aforementioned 1st and the 2nd closure tearing with Kaifeng guiding as aforementioned wrapping body.

Adopt the wrapping body of above-mentioned formation, when forming the bag of 1 limit opening, the 1st closure being arranged on 2 relative each other limits and the 2nd closure are guided with Kaifeng as tearing of wrapping body, therefore without the need to adopting special means easily to break a seal.

Aforementioned 1st and the 2nd closure can be made up of hot-sealing line. Aforementioned wrapping body has: taking aforementioned 4th closure as first, second trilateral on common base; And the 3rd, the 4th trilateral by common base of aforementioned 3rd closure; It is formed in the four sides cubic shaped that the hypotenuse of the adjacent aforementioned each trilateral of circumferential direction is connected to each other, aforementioned 1st, the 2nd closure is positioned on the vertical line of first, second trilateral aforementioned. Once aforementioned wrapping body be broken a seal by the aforementioned Kaifeng guiding torn, namely ship shape shape is formed to accommodate the state of aforementioned object article, the container that the ship shape launched can be used as keeping object article plays a role, and when object article are food, also can be used as and can the dish of hand end play a role. Aforementioned wrapping body can arrange the opening facility portion being made up of the central part and the notch part being positioned on the extended line in guiding portion, aforementioned Kaifeng, sewing line and hole etc. that are positioned at aforementioned 4th closure.

Aforementioned wrapping body can be formed by the material that ultraviolet (uv) transmission amount is less. Aforementioned object article can be any article in principle, such as, can be the vegetables such as lettuce, spinach. The pouch simultaneously broken a seal when being broken a seal by this wrapping body or the multiple cells being separated out by point next door can be arranged on along the aforementioned Kaifeng guiding torn in aforementioned wrapping body, and when being broken a seal by wrapping body, the object article of these pouches or multiple little indoor are exposed.

Air can be enclosed aforementioned wrapping body together with aforementioned object article inner, and remove angle envelope line in the setting of each corner of aforementioned wrapping body. Aforementioned go angle envelope line can be formed the circular arc shape that is connected between the aforementioned 1st and the 2nd closure with the aforementioned 3rd and the 4th closure or straight line shape.

Adopting the wrapping body of the present invention, when forming the bag of 1 limit opening, the 1st closure being arranged on 2 relative each other limits and the 2nd closure become tearing of wrapping body and guide with Kaifeng, therefore without the need to adopting special means, can easily be broken a seal by wrapping body. In addition, the wrapping body of the present invention, not only has the function of connection with wrapping of piece, and when being broken a seal by the wrapping body of in-built object article, wrapping material are launched into ship shape, and the ship shape launched has the function of container. When object article are food, shipshape vessel namely become dish and can placing food edible. The wrapping body of the present invention not only has the function of packaging, also has and can keep and the function of container of hand end object article. In addition, pouch or next door it is provided with, it is possible to load different object article.

Accompanying drawing explanation

Fig. 1 is an illustration of the bag that the wrapping body of the present invention uses.

Fig. 2 is the side-view in the 2 different directions of the wrapping body of the present invention.

Fig. 3 is the stereographic map of the wrapping body of the present invention.

Fig. 4 is the explanation figure of the Kaifeng state of the wrapping body of the present invention.

Fig. 5 is the explanation figure of the example of the present invention.

Fig. 6 is that other of the bag that uses of the wrapping body of the present invention implements illustration.

Explanation figure when Fig. 7 is loaded in the bag shown in Fig. 6 by vegetables.

Fig. 8 is the side-view of the wrapping body shown in Fig. 6.

Fig. 9 is the side-view of the different directions of the wrapping body shown in Fig. 6.

Figure 10 is the stereographic map of the wrapping body shown in Fig. 6.

Figure 11 is the explanation figure of the Kaifeng state of the wrapping body shown in Fig. 6.

Nomenclature

1: bag

2: the 1 closure

3: the 2 closure

4: the 3 closure

5: the 4 closure

6: wrapping body

11,12: reinforcement part

13: band

14: breach

16,17: inclined-plane

Embodiment

Hereinafter, example for the present invention is described. But the present invention is not limited thereto. Fig. 1��Fig. 5 is an embodiment of the wrapping body of the present invention, and Fig. 1 is the bag 1 of square shape. Limit A-B opening, other banding closes. Normally load object article from the opening portion of A-B, then close A-B and become wrapping body. But the present invention non-immediate close A-B, but by involutory for angle A and B, by the direction of limit A-B is substantially vertical with the direction of limit C-D intersect in the way of engage, and close in this condition. The wrapping material of this kind of so-called four directions shape are for everybody knows, and trade name such as has TETRAPACK etc.

Limit A-C is the 1st closure 2, and limit B-D is the 2nd closure 3, and these closure 2,3 are formed by broken line, hot-sealing line, sewing line etc. Limit C-D is the 3rd closure 4, and the part carrying out closing with the angle intersected substantially vertical with limit C-D becomes the 4th closure 5 described later. The present invention mainly illustrates the packing bag of square shape, but the shape of bag is not limited to quadrangle, can also be trapezoidal.

In Fig. 1, limit A-C, limit B-D be made up of broken line, hot-sealing line, sewing line etc. respectively the 1st closure, the 2nd closure 2,3. Angle A, B are two vertex angle parts of top. In addition, the envelope line of the 1st closure 2 and the 2nd closure 3 as described later, becomes Kaifeng guiding. The part carrying out engaging, closing after angle A, B are involutory arranges the opening facility portions such as notch part, sewing line, hole, and in addition, the periphery of angle C, D also can utilize heat-sealing, reinforcement material etc. to arrange reinforcement part.

As shown in Figure 2, in the way of making that the direction of limit A-B is substantially vertical with the direction of limit C-D and intersecting, angle A and angle B is carried out joint and carry out closed peristome. This closure becomes the 4th closure 5. When by the way of making that the direction of limit A-B is substantially vertical with the direction of limit C-D and intersecting, angle A and B is engaged and formed close, H, H of central point as limit A-B ' (opposite side) becomes angle, and original angle A and original angle B (opposite side) becomes the central point of limit H-H '. Band 13 is set from this limit H-H ' towards the angle D of lower section, the limit G-G ' of the bottom of band 13 can be closed.

In Fig. 2, J is the intermediate point of the bottom of band 13, and J ' is the intermediate point of the bottom of the band 13 of opposite side. As a result, become limit A-B crossing state substantially vertical with limit C-D, become the wrapping body of tetrahedral. That is, formed taking the limit G-G ' of the 4th closure 5 be one couple first trilateral (GG ' C) on common base and the 2nd trilateral (GG ' D), formed simultaneously taking the limit C-D of the 3rd closure 4 be one couple the 3rd trilateral (CDG) on common base and the 4th trilateral (CDG '), and the tetrahedral wrapping body that the hypotenuse being formed in the adjacent each trilateral of circumferential direction is connected to each other. Fig. 3 is the stereographic map of the wrapping body 6 of tetrahedral.

The figure of viewing when being the face 90-degree rotation by original ABCD that Fig. 2 (a) is the figure watched from the side, face of original ABDC, Fig. 2 (b). Wrapping body 6 is tetrahedral configuration, therefore has the resistibility for outer pressure, if using transparent material to form bag 1, then it will be clear that object article. Nitrogen can be enclosed if desired or carbonic acid gas prevents the freshness of object article from deteriorating in wrapping body 6.

The material of bag 1 can use resin film or resin flake. Resin can use the multipolymer (trade name: EVAL etc.) etc. of the polyene class such as polyethylene, polypropylene etc., polyester, polymeric amide, polycarbonate, polystyrene, polyvinyl chloride, polyvinylidene chloride, ethene and vinyl alcohol. Can also be the stepped construction of 2 layers, 3 layers (multilayer) if desired. In addition, in order to reduce transmission of ultraviolet rays, it is possible to use with the addition of the resin of UV light absorber.

The wrapping body 6 of the tetrahedron shape shown in Fig. 3, the 1st and the 2nd closure 2,3 arranged to form bag 1 be positioned at taking the 4th closure 5 be on the roughly vertical line of one couple first trilateral (GG ' C) of common base GG ' and the 2nd trilateral (GG ' D). 1st and the 2nd closure 2,3 becomes the Kaifeng the torn guiding of wrapping body 6. Once along this Kaifeng guiding Kaifeng (tearing), namely become the ship shape shape shown in Fig. 4.

When being launched into ship shape shape, the length at the end be 2h, bow, stern height (degree of depth) be t, in the central authorities of ship shape, according to the width of ship shape, become the ship shape shape (disk shape) that the degree of depth is less than t. In addition, h be deducted from the length of the packing bag shown in Fig. 1 band 13 width d after length, d be band 13 width, t be packing bag ABDC width 1/2nd. Part with 13 becomes the ear of ship shape, contributes to keeping the shape of ship shape, and contributes to hand end shipshape vessel. The ship shape shape that this place is formed can allow object article directly be held in wherein, has the function of container. This shipshape vessel also has the function of tableware, such as dish. Such as object article are cleaned and the vegetables of the lettuce cutting into suitable size and so on, then this lettuce can be held in shipshape vessel (dish) behind packaging Kaifeng, namely can take food with shipshape vessel replacement dish as long as lettuce spoons suitably flavored material.

In shipshape vessel, angle C, D of bag ABDCD originally become the center upper portion being positioned at ship shape. If this part remains untouched can become the factor of ship shape shape destabilization, therefore preferably the part of C, D periphery is carried out reinforcement in advance. That is, the reinforcement part shown in symbol 11,12 of Fig. 2 (a) is set. The present embodiment is the reinforcement part 11,12 arranging triangular shape at the periphery of angle C, D. The hypotenuse portion 16,17 of trilateral both by whole fusion of trilateral, can also as shown in the figure, only can be fused by this reinforcement part 11,13. The reinforcement material of thin slice or film also can be attached in reinforcement part 11,12. Object article are not particularly limited by the present embodiment.

As previously mentioned, when the tetragonal bag of original-shape, along G, G ' close after for use object article time, along Kaifeng guiding A-C, B-D Kaifeng (tearing). First closure 2 of the limit A-C of packing bag ABDC and the 2nd closure 3 of limit B-D are made up of broken line, envelope line, sewing line etc., become Kaifeng guiding. The limit A-C and limit B-D that become Kaifeng guiding preferably implement the processing for the purpose of easily break a seal (tearing) in advance.

Such as, make limit A-C and limit B-D have bigger crease, or carry out hot sealing with low temperature, or wire pore as sewing line is set, so that Kaifeng (tearing). In addition, in order to easily break a seal (tearing) along the limit A-C and limit B-D of Kaifeng guiding, as shown in Figure 5, preferably central part at limit H-H ' arranges breach 14 or other sewing line, hole etc., and makes these breach 14 or other sewing line, hole etc. be positioned on the extended line of first and second closure 2,3 becoming Kaifeng guiding and be positioned at the end of band 13.

When as object article are lettuce or spinach when vegetables or salad, to have the state of Kaifeng guiding in the wrapping material of this tetrahedral with wrapping body, the pouch containing food flavouring can be enclosed together with lettuce, spinach, salad, or a point next door is set, while packing bag being broken a seal, this food flavouring can drench in eating immediately as on the lettuce of object article, spinach, salad.

When adopting the above wrapping body 6 formed, when forming the bag 1 of 1 limit opening, 2 limits that 4 limits are relative each other are formed the 1st closure and the 2nd closure 2,3, but, tetrahedral is become once formation the 4th closure 5, this closure 2,3 is just positioned on the vertical line of first, second trilateral (GG ' C), (GG ' D), result, it is possible to using these the 1st closure and the 2nd closure 2,3 as the Kaifeng guiding torn. That is, the present embodiment utilizes the necessary 1st and the 2nd closure 2,3 when forming bag 1, it is not necessary to adopts special means, can easily realize the Kaifeng of wrapping body 6.

Fig. 6��Figure 11 is other embodiment of the wrapping body of the present invention. Fig. 6 is the bag 22 that the wrapping body 20 of the present embodiment uses. This bag 22 carries out folding by elongated 1 film or thin slice at lower end and becomes superimposed oblong-shaped, and forms the 1st and the 2nd closure 24,26 in one to 2 limits (side) relative each other are upper.

The material of bag 22 is same as the previously described embodiments, it is possible to use transparent or semitransparent or through painted resin film or resin flake, in addition, can be the stacked of 2 layers or 3 layers if desired, in addition, in order to reduce transmission of ultraviolet rays, the resin that with the addition of UV light absorber can be used.

1st and the 2nd closure 24,26 of the present embodiment by cutting off film (thin slice) with hot cutter, and with the end face of film (thin slice) each other clinkering and the hot-sealing line that becomes is formed. This closure 24,26 also can replace end face hot-sealing line to each other with by the face of the film hot-sealing line that hot pressing is formed to each other.

Bag 22 forms the 3rd closure 28 being made up of folding line in 1 limit (lower end) remained in 2 limits, remaining 1 limit (upper end) opening. The present embodiment is that line 30a, 30b are sealed in the angle of going arranging one pair of circular arc shape at the two ends of the 3rd closure 28. These go angle envelope line 30a, 30b to utilize hot pressing envelope line to form.

Article one, going angle envelope line 30a to connect between the left end side of the 3rd closure 28 and the 1st closure 24, another article goes between right-hand member side that angle envelope line 30b connects the 3rd closure 28 and the 2nd closure 26.

In addition, the 3rd closure 28 also can be sealed line with hot pressing and replaced folding line. Once after forming above bag 22, just object article be loaded in bag 22 from upper end open portion. Now, as shown in Figure 7, the centre portions C of the upper end open of bag 22 is pulled open to front-rear direction, and, make the ends A of upper end open, B close to each other, to open opening portion, and under this state, load the leaf vegetables V of specified quantitative.

So-called leaf vegetables V, it is such as that the various leaf vegetableses such as lettuce, spinach, broccoli, turnip, green soy bean are cut into specific size, and make these vegetables have consistent diameter, such as, the diameter of 5��10cm degree, and the vegetables V of these leaf vegetabless is loaded at random in the way of part overlapping. After the loading terminating leaf vegetables V, the upper end open of bag 22 is closed.

The closed state of bag 22 is as can be seen from figures 8 and 9. Closing of the opening portion of bag 22 is implemented by forming the 4th closure 32. 4th closure 32 utilizes such as hot pressing envelope line to be formed, and is formed with the substantially vertical angle intersecting at the 3rd closure 28.

In addition, the 4th closure 32 is configured at the lower position having some distances apart from the upper end of bag 22, arranges ear's (band) 34 in the upper end of the 4th closure 32. In addition, the present embodiment is that line 36a, 36b are sealed in the angle of going arranging one pair of circular arc shape in the two ends of the 4th closure 32. These go angle envelope line 36a, 36b identical with above-mentioned envelope line 30a, 30b, seal line by hot pressing and form.

Article one, between the left end side going angle envelope line 36a connection the 4th closure 32 and the 1st closure 24, between the right-hand member side that another article goes angle envelope line 36b connection the 4th closure 32 and the 2nd closure 26.

Once form the 4th closure 32 as described above and removing angle envelope line 36a, 36b, then as shown in Fig. 8��Figure 10, just being formed take the 4th closure 32 as first and second general triangular a of one couple on common base, (line 36a is sealed at the angle of going circular arc shape because of sandwiched between the hypotenuse and base of trilateral to b, 36b and become general triangular), and take the 3rd closure 28 as one couple the 3rd and the 4th general triangular c on common base, (line 30a is sealed at the angle of going circular arc shape because of sandwiched between the hypotenuse and base of trilateral to d, 30b and become general triangular).

The hypotenuse of these general triangular a��d each other in the circumferential direction be formed by connecting as tetrahedron shape, thus become air and enclose wrapping body 20 wherein together with the leaf vegetables V as object article.

On the wrapping body 20 of above-mentioned formation, as shown in Figure 8, the 1st and the 2nd closure 24,26 is positioned on the roughly vertical line of first, second general triangular a, b, and guides using this hot pressing envelope line or hot sword envelope line as the Kaifeng torn of wrapping body 20.

Figure 11 represents the state tearing wrapping body 20 using the 1st and the 2nd closure 24,26 as Kaifeng guiding along this envelope line. The present embodiment, in order to make this tearing movement more easy, arranges the breach 38 being positioned on closure 24,26 extended line in the central position of ear's (band) 34.

Once the 1st and the 2nd closure 24,26 be torn respectively to the position removing angle envelope line 30a, 30b, then as shown in figure 11, become the ship shape forming the side erected taking the 3rd and the 4th general triangular c, d as base in periphery. Side now is divided into two halves to be formed first and second general triangular a, b with roughly vertical line.

Now, the leaf vegetables V being loaded in wrapping body 20 is positioned at ship shape, and the top of ship shape is open, therefore has the function of ship shape dish, direct-edible vegetables. In addition, adopt the above wrapping body 20 formed, the leaf vegetables V such as lettuce, spinach is enclosed wrapping body 20 together with air, angle envelope line 30a, 30b, 36a, 36b is removed because arranging in tetrahedral each corner, therefore leaf vegetables V can not invade easily impaired corner, as a result, the freshness of leaf vegetables can be kept for a long time.

In addition, adopt the wrapping body 20 of above-mentioned formation, when forming the bag 22 of 1 limit opening, tetrahedral is become once formation the 4th closure 32, the first closure and the 2nd closure 24,26 that are made up of the 2 limit hot-sealing lines that 4 limits are relative each other are just positioned on the vertical line of first, second general triangular c, d, result, it is possible to these hot-sealing lines are as the Kaifeng guiding torn.

In addition, the wrapping body 20 of above-mentioned formation is using the leaf vegetables V such as lettuce, spinach as object article, once be enclosed taking tetrahedron as in the wrapping body 20 of basic shape, because there is not parallel or relative face in tetrahedron, therefore external force is dispersibled when affording external force, as when enclosing box like wrapping body, external force can not directly act on leaf vegetables V, it is possible to avoids leaf vegetables impaired.

In addition, the wrapping body 20 of above-mentioned formation is taking the leaf vegetables V such as lettuce, spinach as object article, once it be enclosed together with air taking tetrahedron as in the wrapping body 10 of basic shape, just across gas cloud between adjacent vegetables and between the vegetables on surface and the interior face of bag 12, when affording external force, these gas clouds have the function of cushion plate, therefore can avoid the impaired of vegetables.

In addition, above-described embodiment go angle envelope line 30a, 30b, 36a, 36b be circular arc shape, but, these envelope lines can also be the straight line shown in the long and short dash line of Fig. 6 and Fig. 8. In addition, what Fig. 6 and Fig. 8 was represented by dotted lines respectively goes the blank parts in the outside of angle envelope line 30a, 30b, 36a, 36b both along envelope line excision, also can be able to retain. In addition, above object article are leaf vegetableses, but do not limit by this, such as, can also be the easily impaired article of the groceries such as food, beans one classes such as potato chip.

Industrial utilizability

The wrapping body of the present invention, necessary closure when forming bag by utilizing, it is not necessary to adopt special means can easily realize the Kaifeng of wrapping body, not only can reduce manufacturing step and cost, also can further improve the value of wrapping body, and can be widely used in industrial community.

Claims

1. a bag, it is characterised in that,

One pair of 2 relative each other limit is closed by the 1st closure and the 2nd closure, and 1 limit in 2 relative each other limits is closed by another by the 3rd closure, and remaining 1 limit opening, thus forms bag,

Described bag uses resin film or resin flake to be formed,

Described 1st closure and the 2nd closure are formed by hot-sealing line, and this hot-sealing line makes the end face clinkering each other of described resin film or described resin flake,

Described 3rd closure is by folding line or hot pressing envelope line is formed, and described folding line is by folding to described resin film or described resin flake and formed, and described hot pressing is sealed line and the end face of described resin film or described resin flake is carried out hot pressing formed,

Described bag can be torn along described hot-sealing line.

2. bag as claimed in claim 1, it is characterised in that,

At the two ends on 1 limit of the opening of described bag, being provided with opening facility portion on the extended line of described 1st closure and the 2nd closure, this opening facility portion is made up of breach, sewing line or hole.

3. bag as claimed in claim 2, it is characterised in that,

Described 1st closure and the 2nd closure are provided with wire pore, so that tearing along described hot-sealing line.

4. bag as according to any one of claims 1 to 3, it is characterised in that,

Being formed with one at the two ends of described 3rd closure to removing angle envelope line, to going, angle envelope line utilizes hot pressing envelope line to form for this, and is connected with between described 1st closure and the 2nd closure at the two ends of described 3rd closure.

5. the manufacture method of a bag, it is characterised in that,

In manufactured described bag, 2 relative each other limits are closed by one by the 1st closure and the 2nd closure, and 1 limit in 2 relative each other limits is closed by another by the 3rd closure, remaining 1 limit opening,

The manufacture method of described bag comprises:

Form the operation of described 3rd closure, in this operation, 1 resin film or resin flake are folded, or 2 resin films of overlap or the end face of resin flake are carried out hot pressing, utilize folding line or hot pressing envelope line to form described 3rd closure; And

Form the operation of described 1st closure and the 2nd closure, in this operation, utilize hot cutter to cut off described resin film or resin flake, and make the end face clinkering each other of described resin film or resin flake, form hot-sealing line, form described 1st closure and the 2nd closure.

6. the manufacture method of bag as claimed in claim 5, it is characterised in that,

Comprise the operation forming opening facility portion, in this operation, at the two ends on 1 limit of the opening of described bag, the extended line of described 1st closure and the 2nd closure forms the opening facility portion being made up of breach, sewing line or hole.

7. the manufacture method of bag as claimed in claim 6, it is characterised in that,

Comprise the operation that the part becoming described 1st closure and the 2nd closure is convenient to tear processing in advance.

8. the manufacture method of bag as according to any one of claim 5��7, it is characterised in that,

Comprising the operation that shape removes angle envelope line in a pair, in this operation, the two ends of described 3rd closure are carried out hot pressing, so that being connected between the two ends of described 3rd closure with described 1st closure and the 2nd closure, utilizing hot pressing envelope line structure to remove angle envelope line in a pair.

9. a wrapping body, by one, 2 relative each other limits the 1st closure and the 2nd closure are closed, 1 limit in 2 relative each other limits is closed by another by the 3rd closure, remaining 1 limit opening, thus form bag, object product are accommodated, in this case by arranging the wrapping body that 4th closure intersected substantially vertical with described 3rd closure carrys out closed described opening and form four sides three-dimensional shape in this bag

It is characterized in that,

Described wrapping body uses resin film or resin flake to be formed,

Described 4th closure is sealed line by hot pressing and is formed,

Described 1st closure and the 2nd closure are positioned at taking described 4th closure as on the roughly vertical line of the trilateral on common base,

Described 1st closure and the 2nd closure are guided as Kaifeng, tears along described hot-sealing line, can break a seal.

10. wrapping body as claimed in claim 9, it is characterised in that,

Described 4th closure is configured at the position deviateed downward apart from the upper end of described bag, is provided with ear in the upper end of described 4th closure.

11. wrapping bodies as claimed in claim 10, it is characterised in that,

In the central position of described ear, on the extended line of described 1st closure and the 2nd closure, it is provided with the opening facility portion being made up of breach, sewing line or hole.

12. wrapping bodies as claimed in claim 11, it is characterised in that,

13. wrapping bodies as claimed in claim 9, it is characterised in that,

Described wrapping body, when tearing along described hot-sealing line, forms ship shape shape when accommodating described object product.

14. wrapping bodies as according to any one of claim 9��13, it is characterised in that,

One it is formed with to removing angle envelope line at the two ends of described 3rd closure and/or described 4th closure, to going, angle envelope line utilizes hot pressing envelope line to form for this, and is connected with between described 1st closure and the 2nd closure at the two ends of described 3rd closure and/or described 4th closure.