CN104755390B - Packaging bag - Google Patents

Abstract

The purpose of the present invention is to provide a packaging bag having a content-pouring spout that protrudes upward. With the packaging bag, residue such as liquid or powder at the spout opening does not contaminate fingertips because the bag is configured so that the folded state of the content-pouring spout can be maintained without inserting the content-pouring spout, the tip of which has been cut open, into a slit formed by cutting into the packaging bag itself. For this packaging bag, the content-pouring spout (10) is provided so as to be closeable by folding the bag at an intended folding section (14), which extends across the content-pouring spout (10) and a thin sealing sheet (13) in the bag width direction. The thin sealing sheet (13) is provided with a fold-maintaining means (16) for keeping the bag folded at the intended folding section (14).

Description

Packaging bag

Technical field

The present invention relates to be used to receive the bag of the powder such as the liquid such as shampoo, hair conditioner, detergent or condiment, instant coffee Pack, i.e., also can simply be resealed after Kaifeng formation outpours mouth, can prevent the packaging bag for spilling of storage item.

Background technology

In the past, as the packaging bag used as packaging material with soft sheet material, with by the bag of the main part of back of the body patch Portion and bag bottom carry out the pillow type packaging for having sealed；Make the face sheet and back-sheet ground that overlaps opposite sheet material doubling, with Sheet material bending edges opposition side is sealed, and the tripartite that bag top and bag bottom are sealed is packed；Make in addition The face sheet for the having shaped and back-sheet ground that overlaps is opposite, by the bag sidepiece of left and right, bag top, four sides of bag bottom part The all kinds such as the quad seals packaging for being sealed.

In following purposes usually using carried out tripartite sealing or quad seals packaging bag：In these manner of packings Packaging bag in the powder such as liquid, condiment, the instant coffee such as filling and packing shampoo, hair conditioner, detergent, when in use, The cut-out such as upper corner by bag is opened, and from the mouth that outpours for opening storage item is outpoured.And, for having carried out, tripartite is close Envelope, the packaging bag of incorporating section is defined to quad seals between face sheet and back-sheet, not from being opened on angle on bag The mouth that outpours in portion outpours storage item all but in the case that a part of storage item has been remained in into incorporating section, exists and thinks simply Reseal so that the requirement that do not spill of storage item.

As the such desired packaging bag of response, for example, as Patent Document 1, with following packaging bag：By court Road is outpoured to the convex storage item in bag top to be formed as the certain road that outpours of duct width, make this outpour road deflection bag lateral side, And the side for outpouring road in the incorporating section arranges the sealing for being sealed face sheet and back-sheet, i.e., with face The sealing thin plate of the extension of shape, outpours storage item the part on road and above-mentioned sealing thin plate is set up in parallel in bag width. In this packaging bag, storage item is outpoured can be divided between the part of the front with Kaifeng reservations on road and above-mentioned sealing thin plate From, and the vicinity of the side on road is outpoured in storage item, cut slit in the region of sealing thin plate.

And, cut to be formed in the part of the front that storage item is outpoured road in order to outpour storage item and outpour mouth and go forward side by side It is to make the state cut off with sealing thin plate by the way that storage item to be outpoured the front on road in the case that row is resealed, and While part (part of the note outlet side) bending of its front is tangled while being inserted in above-mentioned slit so that storage item is noted Outlet is resealed with being blocked in the part of bending.In addition, illustrating and will receive in patent document 2,3 similarly Thing of receiving outpours road bending and the storage item is outpoured the part of the front on road towards slit or the method tangled on slit.

In addition, it is also proposed a kind of following method：Be not make storage item outpour road deflection bag sidepiece mode but In the packaging bag that bag top can broadly be open throughout bag width ground, spilt with opening of the storage item not from after Kaifeng Bag upper side bending is maintained the bending state by mode.For example, as shown in patent document 4～7, motion is a kind of following Structure：It is mutually clamped by opposite part when enabling the sealing of bag sidepiece in bag bending.

Citation

Patent document

Patent document 1：The Japanese real microfilm (Japanese Laid-Open practicality Showa 61-107741) for being willing to clear No. 59-193491

Patent document 2：Japanese Unexamined Patent Publication 05-178356 publication

Patent document 3：Japanese Unexamined Patent Publication 2001-151250 publications

Patent document 4：No. 3004090 publications of Japanese Utility Model Registration Section No.

Patent document 5：Japanese Unexamined Patent Publication 2006-199334 publications

Patent document 6：Japanese Unexamined Patent Publication 2006-240691 publications

Patent document 7：Japanese Unexamined Patent Publication 2012-148784 publications

The content of the invention

Invent problem to be solved

By above-mentioned bag upper side in the packaging bag of type that bag width is open with the cut-out of whole width, Due to opening part throughout bag whole width, so making the operation that desired amount of storage item flows out be in itself difficult.Separately Outward, because being that the wide incorporating section of width is realized into the structure for resealing throughout its whole width ground bending, there is folding Bight portion is elongated, the shortcoming that the inaccessible degree in the dogleg section easily dies down.

On the other hand, in the packaging bag for outpouring road with above-mentioned storage item, first in the opening for taking out storage item Width determine and readily and stably take out storage item, easily take out in addition desired amount of storage item aspect have the advantages that it is big, It is suitable to make the packaging bag of the purposes that desired amount of storage item flows out.But, when being resealed, because being direct by finger tip Holding storage item and outpouring the part on road makes its bending and inserts and engaged in slit, in addition, after outpouring and terminating, storage item Easily attachment is remained on the edge for outpouring mouth for liquid, powder, so there is also and remain in the residue for outpouring mouth finger tip is transferred to Problem that is upper and polluting finger tip.

Therefore, it is an object of the invention to provide a kind of packaging bag, there is storage item convex upward to outpour road for it, its In, though with do not make by its front carried out cut off opening storage item outpour road insert and be sticked in be cut into packaging In slit with bag sheet, it is also possible to maintain the bending state that the storage item outpours road to be problem, be attached to and outpour storage item The residues such as the liquid for outpouring mouth, the powder that road cuts off and defines will not pollute finger tip.

For the means to solve the problem

(invention of first aspect)

The present invention allows for above-mentioned problem and makes, there is provided a kind of packaging bag, solves the problem, the packaging bag Face sheet and back-sheet are opposite, and incorporating section is provided with in-between, and at least bag sidepiece on bag top, bag bottom and a side is made It is that face sheet and back-sheet are carried out into the sealing that seals, in the incorporating section, from the incorporating section towards bag top Extended storage item outpours road continuously, and the storage item outpours the upper part on road and forms reservations, the bag as mouth is outpoured Pack is characterised by, only arrange in the contrary bag upper corner side of the bag sidepiece with one described in outpour mouth and form predetermined Portion, with it is described outpour mouth and form the storage item that is connected of reservations outpour road, it is contrary with the bag sidepiece of one with deflection The mode of bag lateral side of the opposing party formed, and the storage item outpours road and outpours road and two bags of sides by crossing the storage item The bending of the bag of the sealing ground in the bending reservations of the position of bag width in portion can be inaccessible arrange, described one At least one party of the sealing of the bag lateral side of sealing or the side in bag top in the bag sidepiece of side, forms as sealing The sealing thin plate of the sealing in the wide wide face in face, arranges the bending-like for maintaining the bag in bending reservations on the sealing thin plate The bending of state maintains component, the mouth that outpours to form reservations and bending maintenance component, divide opposite to each other in bag width Open configuration.

(invention of second aspect)

And, in the invention, the storage item outpours road and the sealing thin plate is set up in parallel in bag width.

(invention of the third aspect)

In addition, in the invention, the bending maintains component to be made up of a pair of engaging portions, and a pair of engaging portions are respectively provided with In when the position relative when the bending reservations have carried out the bending of the bag, can be mutually clamped.

(invention of fourth aspect)

In addition, in the invention, among the pair of engaging portion, the engaging portion of a side is by the sealing thin plate incision Locking mouth, the engaging portion of the opposing party is to can be inserted into the locking piece that the locking mouth is engagingly arranged.

(invention of the 5th aspect)

In addition, in the invention, the pair of engaging portion is individually by the outer end that sealing thin plate is reached from sealing thin plate Cut channel formed locking piece.

(invention of the 6th aspect)

In addition, in the invention, in one end of the cut channel crack arrest portion is provided with.

(invention of the 7th aspect)

In addition, in the invention, as the bending reservations of the sealing thin plate, close to the storage item road is being outpoured Position, be provided with the bending that the half cut-off that any surface by slit or from the surface of the sealing thin plate and the back side adds is constituted Assisted parts.

(invention of eighth aspect)

In addition, in the invention, on the bag top substantially pointed shape portion convex upward is provided with, here is substantially sharp Head shapes portion has been extended the storage item and has outpoured road, sets in lower section compared with the terminus position in the substantially pointed shape portion The bending reservations are put.

(invention of the 9th aspect)

In addition, in the invention, on the sealing thin plate, the bending reservations for sealing thin plate as here are rolled over Relative position when curved, is provided with the through hole that engagement device is tangled.

The effect of invention

(The effect of invention of first aspect)

According to the invention of first aspect, due to being provided with the bending-like for maintaining the bag in bending reservations on sealing thin plate The bending of state maintains component, outpours that mouth forms reservations and bending maintains component in bag width separate configuration opposite to each other, institute Formed and outpour mouth so that mouth formation reservations cut-out can will be outpoured, bending storage item outpours road after storage item has been outpoured When, hold bending and maintain the wide face that component is located to keep hermetic unit to carry out bending operation.

Liquid is not directly contacted with therefore, it is possible to one side, the note export place of the residue attachment of powder carries out the bending operation of bag, Storage item is maintained to outpour the bending state of the part on road, while preventing finger tip from polluting.Further, since be not use other parts, The packaging bag of the maintenance of bending state can be carried out by a part for packaging bag itself, so playing following excellent effect： Not improving manufacturing cost can just obtain good packaging bag easy to use.

(The effect of invention of second aspect)

According to the invention of second aspect, it is set up in parallel in bag width because storage item outpours road and seals thin plate, institute By making the bending reservations of bag in the position that road and sealing thin plate are outpoured by this storage item, to carry out in sealing thin plate side The operation of bending, thus, storage item outpours road and is also bent over, and playing can simply carry out the inaccessible effect that storage item outpours road Really.

(The effect of invention of the third aspect)

According to the invention of the third aspect, due to when the bending of bag has been carried out in bending reservations, making in relative The engaging portion of position engages each other and carries out the maintenance of bending, so play can be with inaccessible storage item by easy operation Road is outpoured, and fairly simply carries out the effect of the maintenance of the state.

(The effect of invention of fourth aspect)

According to the invention of fourth aspect, when the maintenance of bending is carried out, because only making the card of the opposing party as locking piece The engaging portion for determining portion's insertion as a side of locking mouth is engaged, so play that by easy operation bending-like can be carried out The effect of the maintenance of state.

(The effect of invention of the 5th aspect)

According to the invention of the 5th aspect, when the maintenance of bending is carried out, because only making the locking piece formed by cut channel each other Engaging, so playing the effect of the maintenance that bending state can be carried out by easy operation.

(The effect of invention of the 6th aspect)

According to the invention of the 6th aspect, even if the mutual card of locking piece formed by cut channel is repeated taking off, card is defined The regular cut channel of stator also will not play being prevented from the engaging of locking piece and become lax or engage unexpected as crack growth The effect untied.

(The effect of invention of the 7th aspect)

According to the invention of the 7th aspect, the bending in the position of the bending reservations for sealing thin plate can be more simply carried out, Play become can the position of bending reservations more reliably inaccessible storage item outpour road packaging bag effect.

(The effect of invention of eighth aspect)

According to the invention of eighth aspect, because the part using road is outpoured with storage item is used as substantially tip convex upward Shape, so play and outpour mouth and will not too greatly open by what cut-out was formed, in addition, the adjustment of the taking-up of storage item becomes to hold Easy effect.

(The effect of invention of the 9th aspect)

According to the invention of the 9th aspect, playing can be by the packaging bag for making storage item outpour road bending and blocked state Simply tangle the effect on hook etc..

Description of the drawings

Fig. 1 is the explanatory diagram of the first embodiment of the packaging bag for representing the present invention.

Fig. 2 is the explanatory diagram of the state for representing part bending that the storage item in first embodiment is outpoured road.

Fig. 3 is the explanatory diagram of the second embodiment of the packaging bag for representing the present invention.

Fig. 4 is the explanatory diagram of the state for representing part bending that the storage item in second embodiment is outpoured road.

Fig. 5 is the explanatory diagram of the 3rd embodiment of the packaging bag for representing the present invention.

Fig. 6 is the explanatory diagram of the state for representing part bending that the storage item in the 3rd embodiment is outpoured road.

Fig. 7 is the explanatory diagram of the 4th embodiment of the packaging bag for representing the present invention.

Fig. 8 is the explanatory diagram of the state for representing part bending that the storage item in the 4th embodiment is outpoured road.

Fig. 9 is the explanatory diagram of the 5th embodiment of the packaging bag for representing the present invention.

Figure 10 is the explanatory diagram of the state for representing part bending that the storage item in the 5th embodiment is outpoured road.

Figure 11 is the explanatory diagram of the 6th embodiment of the packaging bag for representing the present invention.

Figure 12 is the explanatory diagram of the state for representing part bending that the storage item in the 6th embodiment is outpoured road.

Figure 13 is the explanatory diagram of the 7th embodiment of the packaging bag for representing the present invention.

Figure 14 is the explanatory diagram of the state for representing part bending that the storage item in the 7th embodiment is outpoured road.

Figure 15 is the explanatory diagram of the 8th embodiment of the packaging bag for representing the present invention.

Figure 16 is the explanatory diagram of the state for representing part bending that the storage item in the 8th embodiment is outpoured road.

Figure 17 is the explanatory diagram of another that represents bending assisted parts.

Figure 18 is the explanatory diagram of another of the same bending assisted parts for representing.

Figure 19 is the explanatory diagram of another of the same bending assisted parts for representing.

Figure 20 is the explanatory diagram of another of the same bending assisted parts for representing.

Figure 21 is the explanatory diagram of the 9th embodiment of the packaging bag for representing the present invention.

Figure 22 is the explanatory diagram of the state for representing part bending that the storage item in the 9th embodiment is outpoured road.

Figure 23 is the explanatory diagram of the packaging bag for representing comparative example.

Figure 24 is the explanatory diagram of the state for representing part bending that the storage item of the packaging bag of comparative example is outpoured road.

Specific embodiment

For the preferred mode for carrying out an invention

Then, the present invention is explained based on the embodiment shown in Fig. 1～Figure 22.

(first embodiment)

Fig. 1 and Fig. 2 represent first embodiment.1 is packaging bag in figure, and the packaging bag 1 is following quad seals mode Bag, i.e. face sheet 2 and back-sheet 3 are opposite, incorporating section 4 are provided with therebetween, in bag top 5, the and of bag bottom 6 The bag sidepiece 7,8 of left and right is (in figure, among the bag sidepiece of left and right, using the bag sidepiece of a side as symbol 7, by the opposing party's Bag sidepiece as symbol 8) on be provided with sealing 9, thus sealing 9 up and down encloses incorporating section 4.

Specifically, in the case of the packaging bag 1 in this first embodiment, face sheet 2 and back-sheet 3 are made Two sheet materials overlap, and bag upper side, bag lower side, two bags of lateral sides are sealed and cubic sealing 9 is formed, by face sheet 2 used as front, and the global shape that the front in observation is seen is used as rectangle.When this packaging bag 1 is manufactured, for example, respectively Make two ribbon sheet materials (strip of sheet material of face sheet and the banding piece of back-sheet drawn from another roll body etc. Material) overlap, on each bag of part of the packaging bag in this strip of sheet material, will in the state of the part as filling mouth has been remained The part heat-sealing of the tripartite of one bag of part.In order to be suitable to heat-sealing, face sheet 2 and back-sheet 3 are by least having base material and close The film of the duplexer of envelope oxidant layer is constituted, and is made sealant layer overlap to opposite each other and is sealed.

And, in inserting the nozzle into the filling mouth of each bag in the non-individual body of packaging bag, to incorporating section fill liquid, Powder etc., if the sand off, will filling mouth part heat-sealing, close incorporating section, by the bag and bag under continuous state it Between cut off, thus, it is possible to obtain with making each bag being filled with the packaging bag of quantitative storage item respectively in incorporating section.Pass through This heat-sealing, defines possess the incorporating section for outpouring road for outpouring storage item as will be described later, additionally by the quilt in packaging bag Cut on the part for being sealed, cut away, defining is carried out the part of engaging described later.

Packaging bag 1 outpours road 10 with storage item.This storage item outpours road 10, continuous with incorporating section 4, is from this incorporating section 4 towards bag top 5 be extended.As illustrated, above-mentioned storage item outpours road 10, while by the top of incorporating section 4 upward It is extended on one side as tapering, and the side of bag sidepiece 8 of the above-mentioned the opposing party of deflection in substantially pointed shape convex upward ground, Front is shaped generally as triangle in the state of seeing.Further, the storage item outpours the upper part on road 10 and is formed as mouth is outpoured Reservations 11.So, the above-mentioned mouth that outpours forms the bag upper corner that reservations 11 are only arranged at the side of bag sidepiece 8 as the opposing party Side.

It is above-mentioned outpour mouth formed reservations 11, be by storage item is outpoured the fore-end on road 10 with close to the front end Partial sealing 9 removes obtain outpouring the part of mouth together, and as mouth is outpoured reservations 11 are formed, and is that storage item is outpoured into road 10 fore-end as being indicated in crosscutting printing instruction line of bag width etc., so as to the use that packaging bag breaks a seal The confirmation of position of the person visually easily to be cut off.In addition, outpouring mouth as this forms reservations 11, it is also possible in positive dough sheet The face side of the sheet material of the face side or a side of material 2 and back-sheet 3 implements the half cut-off carried out by laser irradiation, so as to easy Carry out the cut-out carried out with hand operation.

In the first embodiment, above-mentioned storage item is outpoured the encapsulation boundary part of the side of bag sidepiece 7 of a side on road 10 12 is linear as what is inclined.So, the storage item in first embodiment outpours road 10, is as with the bag sidepiece of a side The hermetic unit of the encapsulation boundary part of the inclination of 7 sides and bag sidepiece 8 side of the opposing party is formed for the path of both sides.And, Using above-mentioned linear encapsulation boundary part 12 as centre, becoming the side of bag sidepiece 7 that storage item outpours a side on road 10 Side, the wide face that the sealing 9 of the side of the left and right with width ratio incorporating section 4, the sealing 9 of bag bottom 6 have broadly been made Sealing 9.

The sealing 9 in the wide wide face of this width, face sheet 2 and back-sheet 3 are certainly carried out the portion for sealing Point, and define the sealing thin plate 13 with the tabular for extending as face.As illustrated, by following design, i.e. storage Thing outpours the sealing thin plate 13 of the wide wide panel shape of road 10 and width and is set up in parallel in bag width, and the shape that its front is seen is made Be to outpour the rightabout triangle in road 10 with storage item, and by make using as triangle and upward it is convex substantially The storage item of pointed shape outpours the arrangement that the part on road 10 and this part for sealing thin plate 13 are set up in parallel in bag width, So that the global convergence rectangularity shape of packaging bag 1.

As described above, in the side of bag top 5, outpouring as the storage item in bag width position relationship arranged side by side On the sealing thin plate 13 of road 10 and sealing 9, the bending reservations 14 throughout bag width are provided with.Above-mentioned bending reservations 14 is by the part of the bending downward of bag top 5, in this embodiment, to cross storage item and outpour the scope on road 10 Part and cross sealing 9 sealing thin plate 13 scope part in become the mode of substantially same length and be set in and pass through Storage item outpours the height and position of the substantial middle part of the bag short transverse on road 10.

Above-mentioned bending reservations 14, as linear, are arranged in such a way, i.e. by this bending reservations 14 Position bending bag top 5, storage item outpours the inner face of the face sheet 2 in road 10 and back-sheet 3 entering by this bag each other To have gone the part of bending nearly contact with each other, and by the Partial occlusion storage item of the carrying out bending of bag road 10 is outpoured.Can be The position of above-mentioned bending reservations 14 arranges printing instruction line, if it does, then becoming easily to confirm the bending that carries out of bag Position, this is good.

Additionally, the bending reservations 14 in first embodiment, the straight line as single dotted broken line in figure is represented, but due to As long as being to outpour the structure on road 10 by the bending obturation storage item of bag, so especially not needing this bending reservations sheet Body becomes acute angle as the section of the dogleg section for linearly causing bag.By the folding for carrying out bag in this first embodiment Curved, the section of the dogleg section of bag is the structure for becoming the state in little circular arc, and in this case inaccessible storage item is outpoured Road 10.

The bending dimension for maintaining the bending state of the bag of bending reservations 14 is provided with above-mentioned sealing thin plate 13 Hold component 16.Above-mentioned bending in this first embodiment maintains component 16, by the bag side as the side in sealing thin plate 13 The side of portion 7, by by this sealing thin plate 13 position relative when the bending of bag has been carried out in bending reservations 14 is separately positioned on A pair of engaging portion 16a, 16b is constituted, and is that this engaging portion 16a and engaging portion 16b are arranged in which can be mutually clamped.

As shown in figure 1, engaging portion 16a in first embodiment, is to reach the outer rim on bag top 5 (upper edge of bag) Mode locking piece 17 this engaging portion 16a for carrying out being cut into by the cut channel for adding, as illustrated, with above-mentioned note Outlet forms reservations 11 and becomes position relationship in bag width separate configuration opposite to each other.In addition, the opposing party's is locking Portion 16b be seal thin plate 9 low portion, be to reach the side edge of the bag sidepiece 7 of a side in the way of by the cut channel for adding The locking piece 18 being cut into is carried out, by carrying out the bending of bag the i.e. above-mentioned locking piece 17 of engaging portion 16a, 16b and locking is made Piece 18 is mutually clamped, and maintains the bending state of bag, thus, maintains storage item to outpour the blocked state on road 10.If released locking The snap-fit relationship of piece 17 and locking piece 18, then bag top 5 is by the generation in the bag dogleg section of face sheet 2 and back-sheet 3 Restoring force erect, storage item outpours road 10 becomes non-blocking state.

In the packaging bag 1 of first embodiment, to be provided with easily carry out and outpour road 10 from storage item and outpour storage item Outpour the structure of the formation of mouth.That is, be applied with the fore-end that road 10 is outpoured in storage item easily with hand operation carry out along Outpour the structure of the cut-out of the position of mouth formation reservations 11.First, have by from bag top upper edge in the central authorities on bag top 5 The rip cutting trace line portion 19 that the discontinuous slit of the vicinity of above-mentioned encapsulation boundary part 12 is constituted is extended up to downwards.In addition, With by with continuous with the lower end in this rip cutting trace line portion 19 and abreast reach with above-mentioned encapsulation boundary part 12 and to outpour mouth and formed Portion 20 is cut in the inclination that the slit that the mode of the end of reservations 11 is added is constituted.

And, after longitudinally slit, the rip cutting that here has been cut is pinched by one side by above-mentioned rip cutting trace line portion 19 The tongue-shaped part formed between line portion 20 is cut in the position in trace line portion 19 and inclination, while in bag width towards another The side stretching of bag sidepiece 8 of side, outpours mouth formation reservations 11 and is torn, and simply forms and outpours mouth 21 (Fig. 2).

The storage item for wanting will to have broken a seal as above-mentioned outpours road 10 and closes, as long as then as shown in Fig. 2 pre- from bending The position in portion 14 is determined by bag bending, make to maintain the locking piece 17 and locking piece 18 of component 16 to engage as bending, received Thing of receiving outpours the inaccessible operation on road 10 also becomes fairly simple operation.Particularly because bending maintains the locking of component 16 The part of portion 16a (above-mentioned locking piece 17) with outpour the position relationship that mouth has been separate configuration, so carrying out holding engaging portion 16a Part bending, the operation that tangles, it is therefore prevented that being attached to the storage item pollution finger tip outpoured around mouth as residue.

(second embodiment)

Fig. 3 and Fig. 4 represent second embodiment.This second embodiment is the side of the deformation for having carried out in such a way Formula, i.e. can reduce resistance ground more reliably carries out the folding of the position in bending reservations 14 in above-mentioned first embodiment It is curved.

Specifically, in the packaging bag 1 of second embodiment, in the position of bending reservations 14 bending auxiliary is provided with Portion 22.The scope on sealing thin plate 13 is made as shown in FIG., and is provided with bending assisted parts 22, the bending assisted parts 22 By the position for not reaching encapsulation boundary part 12 but it is proximate to it in the state of insertion sealing thin plate 13 it is discontinuous narrow Stitch, shone by laser at least any surface of the surface of sealing thin plate 13 and the back side (outside of face sheet and back-sheet) The half cut-off for penetrating addition is constituted.In addition, in the part that storage item outpours road 10, the position along bending reservations 14 is provided with Bending assisted parts 22, the bending assisted parts 22 by being radiated on the outside of face sheet and back-sheet by embossing, laser plus The half cut-off for entering is constituted.Arbitrary bending assisted parts 22 all easily carries out the bending of bag.Additionally, in the half cut-off structure irradiated by laser Into structure in, it is also possible to be formed continuously in bag width.

By as described above in the setting bending of bending reservations 14 assisted parts 22, when in above-mentioned bending reservations 14 When position has carried out the bending of bag, the section of the part of the bending of this bag becomes bending shape at an acute angle, easily carries out bending Operation, outpouring the obturation in road 10 in above-mentioned storage item becomes more reliable.Bending assisted parts 22 can also be arranged at positive dough sheet On arbitrary sheet material of material 2 and back-sheet 3, can also be arranged in addition on two sheet materials.

Further, on sealing thin plate 13, insertion is provided with making position symmetrical above and below by centre of bending reservations 14 Hole 23.That is, by by the bending as described above of bag top 5 so that above-mentioned through hole 23 is relative, and this two through holes 23 can By engagement devices such as hooks in the state of overlap.Additionally, the above-mentioned through hole 23 that engagement device is tangled is not limited to circular hole.

In above-mentioned first embodiment and second embodiment, a pair of engaging portions 16a of above-mentioned bending maintenance component 16, 16b is locking piece 17,18, this locking piece 17,18, due to being the locking piece for carrying out being cut into, it is desirable that entering repeatedly Go in the case of engaging with its releasing so that cut channel splits with not being unexpectedly elongated.Therefore, in first, second embodiment In, being applied with cut channel one end makes circular arc cut channel crack arrest portion 24 continuously.Crack arrest portion 24 is not limited to cutting for circular shape Trace, the aperture that can also be for example insertion.

(the 3rd embodiment)

Fig. 5 and Fig. 6 represent the 3rd embodiment.In the embodiment of here the 3rd, by the way that a sheet material is being become into above-mentioned Bending in the part of the bag sidepiece 8 of the opposing party, obtain relative face sheet 2 and back-sheet 3, the opposing party as bending Bag sidepiece 8 beyond the bag top 5 of tripartite, the bag sidepiece 7 of the side of bag bottom 6 and a sealing 9 has been made by heat-sealing.By doing Bag into the mode of so-called tripartite sealing implements the present invention.

In 3rd embodiment, as shown in figure 5, as incorporating section 4, storage item is provided with an upper portion thereof and outpours road 10, should Storage item outpours the part that road 10 has substantially pointed shape, and the part of the substantially pointed shape will become the bag sidepiece of the opposing party The half region of 8 sides is made equal wide and is extended upward, and then is contiguous therewith while being partial to the bag of the opposing party The side of sidepiece 8.And, as the part of above-mentioned substantially pointed shape, it is extended in the inner side in substantially pointed shape portion 25, this is big Cause the side of bag sidepiece 8 of the opposing party of pointed shape portion 25 in bag top 5 tapering upward.

The part of the part of same widths and substantially pointed shape above-mentioned storage item continuously outpours the side on road 10, By the sealing thin plate 13 as wide face, as shown in figure 5, on here sealing thin plate 13, with the substantially tip that storage item outpours road 10 The height and position (bag above-below direction) of the cardinal extremity in the above-mentioned substantially pointed shape portion 25 that shape has been restrained is compared and set in lower section Above-mentioned bending reservations 14 are put, as the bending reservations 14 of this height and position a bag width has been arranged on.With above-mentioned first, The situation of second embodiment is identical, and throughout sealing thin plate 13 and storage item both above-mentioned bending reservations on road 10 are outpoured 14, the length for making the part on the sealing thin plate 13 and outpouring the part on road 10 in storage item is substantially same.

For maintaining the bending from the bending state of the bag of the bending of bending reservations 14 to maintain component 16, also with above-mentioned bending Reservations 14 are that intermediate configurations are paired in upper and lower engaging portion 16a and engaging portion 16b.In the third embodiment, such as Fig. 5 institutes Show, compared with bending reservations 14 in upper engaging portion 16a as wedge shape convex upward locking piece 26.In addition, with Bending reservations 14 are compared in the next engaging portion 16b as by the locking mouth for constituting the slit that sealing thin plate 13 has been cut 27.And, it has been arranged to by the way that locking piece 26 is inserted into locking mouth 27 with hand operation, the locking piece 26 and locking mouth 27 engage, In addition, the snap-fit relationship in order to untie both, as long as locking piece 26 is extracted from locking mouth 27.The embodiment of here the 3rd In maintain component 16 in bag width separate configuration opposite to each other because outpouring mouth and forming reservations 11 and bending, also with First, second embodiment is same, without pinching the spout for having broken a seal point, so that it may carry out bending, the bending maintenance group of bag The card of part takes off.

In the 3rd embodiment as bending maintenance component 16 as described above with locking piece 26 and locking mouth 27 In, to expect and outpour mouth, then cut the upper end in substantially pointed shape portion 25.In this embodiment, with above-mentioned first, second Embodiment is different, and the sidepiece in substantially pointed shape portion 25 does not have sealing thin plate, by outpouring road along crossing storage item The mouth formation reservations 11 that outpour of 10 upper part are cut off, and what formation was opened outpours mouth.And, want behind Kaifeng Close above-mentioned storage item and outpour road 10, if then as shown in Figure 6 by bag top 5 bending reservations 14 position bending And making locking piece 26 insert locking mouth 27 carries out locking, thus, maintains the bending state of the bag on bag top 5, and by bending Partial occlusion storage item outpour road 10.Additionally, in the embodiment of here the 3rd, because will also outpour mouth forms the He of reservations 11 Bending maintains component 16 in bag width separate configuration opposite to each other, and bending reservations 14 are throughout sealing thin plate 13 and storage item Road 10 is outpoured, thus it is same with first, second embodiment, without pinching the spout for having broken a seal point, so that it may carry out bag Bending, bending maintain the card of component to take off.

(the 4th embodiment)

Fig. 7 and Fig. 8 represent the 4th embodiment.In this embodiment, by the structure application of above-mentioned first embodiment In the bag of the mode of tripartite's sealing.That is, it is same with the packaging bag 1 of the 3rd embodiment, a sheet material is being become into the opposing party's Bending in the part of bag sidepiece 8, define relative face sheet 2 and back-sheet 3, the bag sidepiece of the opposing party by bending The bag top 5 of the tripartite beyond 8, the bag sidepiece 7 of the side of bag bottom 6 and are used as the sealing 9 by heat-sealing.In addition Aspect, structure has been made identical with first embodiment.

(the 5th embodiment)

Fig. 9 and Figure 10 represent the 5th embodiment.5th embodiment is by the structure application of above-mentioned second embodiment In the bag of the mode of tripartite's sealing.The packaging bag 1 of this 5th embodiment, is also becoming the bag sidepiece of the opposing party by a sheet material Bending in 8 part, define relative face sheet 2 and back-sheet 3, and the bag sidepiece 8 of the opposing party by bending with The bag top 5 of outer tripartite, the bag sidepiece 7 of the side of bag bottom 6 and are used as the sealing 9 by heat-sealing.

In addition, in the 5th embodiment, the position that the bag sidepiece 8 of the opposing party is reached in bending reservations 14 is provided with little Sealing 28, the little sealing 28, as shown in figure 9, being a part for the bag sidepiece 8 of the opposing party, is to make ora terminalis under sealing Position face sheet 2 and back-sheet 3 carried out into heat-sealing along bending reservations 14 form.Along the position of bending reservations 14 The little sealing 28 put, sealing range forms as shown in the figure little, is the size that obstacle is not caused when storage item is outpoured.

Above-mentioned little sealing 28, the position of the bag sidepiece 8 of the opposing party is reached in bending reservations 14, in the bag of the opposing party There is no circle in shape in the plane section direction of sidepiece 8, but become laminal dogleg section in advance.Thus, can fit Locality carries out the bending in bending reservations 14 of bag, and the position that the bag sidepiece 8 of the opposing party is reached in bending reservations 14 also may be used Reliably to carry out bending.Aspect in addition, structure has been made identical with second embodiment.

(the 6th embodiment)

Figure 11 and Figure 12 represent the 6th embodiment.This 6th embodiment is the variation of above-mentioned 5th embodiment. The packaging bag 1 of this 6th embodiment also by the bending in the part of bag sidepiece 8 of the opposing party is become of a sheet material, defines phase To face sheet 2 and back-sheet 3, and the bag sidepiece 8 of the opposing party by bending beyond tripartite bag top 5, bag under Portion 6, the bag sidepiece 7 of a side are used as the sealing 9 by heat-sealing.

In the above-described 5th embodiment, as shown in Figure 9 by bending reservations 14 along orthogonal relative to bag short transverse Direction arrange, but in the embodiment of here the 6th, width of the bending reservations 14 from the bag upper side of the bag sidepiece 7 as a side The sealing thin plate 13 in face declines inclination towards the bag sidepiece 8 of the opposing party, and reaches the bag sidepiece 8 of the opposing party in bending reservations 14 The upper position of part define little sealing 28.

So, the packaging bag 1 in the 6th embodiment, can make bending reservations 14 from the bag sidepiece 7 of a side towards another The bag sidepiece 8 of one side declines and be obliquely bent into inclination, also predetermined with bending with the cardinal extremity part highest that storage item outpours road 10 The lower end side in portion 14 compares the collecting amount that the mode for becoming the next sets incorporating section 4.

Because above-mentioned bending reservations 14 are inclined, in a pair of through holes 23 of the sealing split shed of thin plate 13, from The position of this bending reservations 14 by the upside of packaging bag 1 obliquely bending when, be made into the coincidence of above-mentioned through hole 23 Configuration.

The bending of the 6th embodiment maintains component 16, in the aspect for constituting in such a way and above-mentioned 5th embodiment party Formula is different, i.e. when in the obliquely bending of above-mentioned bending reservations 14, is able to maintain that the bending state, in addition inclines at it Tangling for bending part becomes easy.The bending of the 6th embodiment maintains component 16, same with the example of above-mentioned each embodiment Sample, outpours mouth formation reservations 11 and this bending maintains component 16 opposite in bag width, and both separate configurations by this.

And, maintaining to be made up of locking piece 17 and locking piece 18 in component 16 in bending, the locking piece 17 is in sealed thin The upper avris of plate 13 is slightly closer to bag position of middle position side makes the cut channel of arc-shaped form around to lower edge position, and this is locking The cut channel that above-mentioned locking piece 17 detachedly be able to can be tangled in correspondence position when piece 18 is by obliquely bending is constituted.Lower side Locking piece 18 be located at a side bag sidepiece 7 sealing 9, the part of this sealing 9 also configures above-mentioned locking piece 18, therefore, The sealing thin plate 13 in the wide wide face of sealed width is formed as the mode of the band of longitudinal direction.

In the embodiment of here the 6th, also by by the cut channel side for defining above-mentioned locking piece 17 that bending is maintained component 16 The crosscutting offline portion 31 constituted as the discontinuous slit of one end with the above-mentioned mouth that outpours to form the consistent side of reservations 11 Formula is configured, easily to carry out outpouring mouth in the formation for outpouring mouth formation reservations 11.When formation is outpoured mouthful, by from being close to Above-mentioned crosscutting offline portion 31 is cut off in the part of above-mentioned locking piece 17, storage item will be become and outpoured on the bag of tip side on road 10 The sealing 9 in portion twists off and obtains outpouring mouth.And, after storage item is outpoured with desired amount, as long as shown in Figure 12 Like that in the obliquely bending of the position of bending reservations 14, and locking piece 17 is tangled on locking piece 18, can obtain To the packaging bag 1 that road 10 is outpoured in the inaccessible storage item of bending position.

(the 7th embodiment)

Figure 13 and Figure 14 represent the 7th embodiment.This 7th embodiment is the variation of above-mentioned 6th embodiment. This packaging bag 1 also by the bending in the part of bag sidepiece 8 of the opposing party is become of a sheet material, defines relative positive dough sheet The bag top 5 of the tripartite beyond material 2 and back-sheet 3, and the bag sidepiece 8 of the opposing party by bending, a bag bottom 6 and side Bag sidepiece 7 is used as the sealing 9 by heat-sealing.

In the packaging bag 1 of the 7th embodiment, bending reservations 14 are inclined in the same manner as the situation of the 6th embodiment, Little sealing 28 is similarly arranged at the side of bag sidepiece 8 of the opposing party.In addition, by the He of locking piece 17 in bending maintains component 16 Locking piece 18 is constituted, and the locking piece 17 is using the sealing 9 of the side of bag sidepiece 7 for becoming a side in bag top 5 as the close of wide face Envelope thin plate 13, and added in the way of making the cut channel of arc-shaped be transferred to lower edge here and towards the side of bag sidepiece 8 ground of the opposing party Convex, the locking piece 18 is, in obliquely bending, to add in the sealing 9 of the bag sidepiece 7 of the corresponding side of above-mentioned locking piece 17 Cut channel and formed.

In the embodiment of here the 7th, as illustrated, the sealing 9 of the bag sidepiece 7 of a side is also by as by sealed width The sealing thin plate 13 in the wide face for extending, and formed as banding in longitudinal direction.And, on the sealing thin plate 13 of here longitudinal direction, when In the obliquely bending of above-mentioned bending reservations 14, can detachedly carry out locking position in above-mentioned locking piece 17 and be provided with card Stator 18, and another locking piece 18 is also provided with thereunder, another locking piece 18 is worked as to be carried out in lower position During inclined bending, can detachedly being capable of locking above-mentioned locking piece 17.That is, as upper and lower two-layer on the sealing thin plate 13 of longitudinal direction Define locking piece 18.

In the packaging bag 1 of the embodiment of here the 7th, as illustrated, it is inclined for outpour mouth forming reservations 11, from setting The otch for being placed in the sealing 9 on bag top 5 is inclined downwards towards the bag sidepiece 8 of the opposing party.In the 7th embodiment, outpour Mouth forms reservations 11 and the bag upper corner contrary with the bag sidepiece 7 of a side is also similarly arranged at the example of other embodiment Side.Storage item outpour road 10 by storage item from the side of incorporating section 4 lead to it is above-mentioned outpour mouth formed reservations 11 in the way of be partial to it is another The side of bag sidepiece 8 of side, but in the embodiment of here the 7th, storage item outpours the side of bag sidepiece 7 of a side on road 10, be not become by The side of the part for being sealed, until reach a side bag sidepiece 7 part till be as storage item enter region It is continuous road 10 to be outpoured with storage item.

In the packaging bag 1 of the 7th embodiment, in order to open to outpour mouth and form reservations 11 and formed mouth is outpoured, and in note Go out inaccessible storage item after storage item and outpour road 10, in bending, as long as obliquely bending as shown in figure 14 so that bending maintenance group The card of the sealing 9 (making the part of the sealing thin plate 13 of longitudinal bands shape) of the locking piece 17 of part 16 and the bag sidepiece 7 in a side Stator 18 is locking, and the operation is extremely simple, without pinch outpour mouth, note near exit can carry out bending, storage item note The locking of outlet 10.

(the 8th embodiment)

Figure 15 and Figure 16 represent the 8th embodiment, are the deformations of the packaging bag 1 of the 3rd embodiment shown in Fig. 5, Fig. 6 Example, is to have been carried out the hermetically sealed packaging bag of tripartite.In this packaging bag 1, the sealing thin plate 13 in wide face is located at bag top 5 In a side the side of bag sidepiece 7, be partial to the opposing party the side of bag sidepiece 8 storage item outpour road 10 and this sealing thin plate 13 set side by side Put.I.e., in this embodiment, because also making storage item outpour the side of bag sidepiece 8 that the opposing party is partial on road 10, in packaging bag 1 This storage item that shape tapering upward is formed in width outpours road 10, so the horizontal of road 10 will be outpoured as storage item The sealing thin plate 13 of sealing 9 made wide face.

And, bending maintenance component 16, folding are provided with the adjacent above-mentioned sealing thin plate 13 in road 10 outpouring with storage item Curved maintenance component 16 is constituted by the convex locking piece 26 as engaging portion 16a and as the locking mouth 27 of engaging portion 16b, and this is locking Portion 16a is located at the position of the bag sidepiece 7 near a side in the upper limb of above-mentioned sealing thin plate 13, upward, engaging portion 16b Be sealing thin plate 13 lower side by carrying out cut channel formation, by will sealing thin plate 13 and storage item outpour road 10 time And the position bending of the bending reservations 14 of bag width, above-mentioned locking piece 26 can be made accordingly may be used with the position of locking mouth 27 Detachedly carry out locking (with reference to Figure 16).

In addition, in the embodiment of here the 8th, also same with the second, the 5th embodiment, a pair of through holes 23 are above-mentioned With bending reservations 14 as middle relative up and down in sealing thin plate 13, when bending has been carried out so that two weights of through hole 23 It is folded.Outpour mouth and form reservations 11 in the same manner as the respective embodiments described above in as angle on the bag of the side of bag side 8 of the opposing party Portion, has made the configuration Chong Die with the pointed portion that above-mentioned storage item outpours road 10.Further, from the upper limb on bag top 5 The otch of centre, is provided with a continuous manner and has been made into half cut-off, the L-shaped of discontinuous slit and cuts line portion 32, L-shaped Cut the bottom in line portion 32 and arranged with above-mentioned outpouring in the way of mouth forms the consistent height and position of reservations 11 by becoming.

As in the way of to cross the sealing thin plate 13 that storage item outpours road 10 and sealing 9 throughout bag width The folding of the bending reservations 14 of setting, has enumerated the aspect that half cut-off, embossing are arranged as bending assisted parts 22, but except this it Outward, also with the method that can well carry out the folding in bending reservations 14.Its example is expressed in fig. 17, with regard to with The packaging bag 1 of the substantially same mode of second embodiment, the part of bending reservations 14 is amplified and is indicated.

In this example, as shown in figure 17, in sealing thin plate 13, with unsealing border 22b along bending reservations 14 Unsealing portion 22a is arranged at close or consistent mode the lower position of the bending reservations, using this unsealing portion as bending Assisted parts 22 so that roll in the boundary member of the variation in rigidity of hermetic unit and unsealing part easily and folding position is easily true It is fixed.The position of unsealing portion 22a is not limited to the lower position of bending reservations 14, it is also possible to be upper position such as Figure 18. Alternatively, it is also possible to such as Figure 19 using unsealing portion 22a itself as in the part of above-below direction narrow width and pre- with bending Determine mode of the portion 14 positioned at the center of the unsealing portion 22a of this narrow width, the position of this unsealing portion 22a is set.Additionally, these It is continuous that unsealing portion 22a in example does not outpour road 10 with storage item.

Figure 20 represents another example of bending assisted parts 22.In this instance, using with as sealing thin plate 13 sealing 9 it is continuous Mode, the side of road 10 is outpoured from above-mentioned inclined encapsulation boundary part 12 to storage item and is extended sealing extension 22c, and make The sealing lower edge 22d of sealing extension 22c is located at bending reservations 14.By so by make above-mentioned sealing lower edge 22d with folding The sealing extension 22c of the position consistency of curved reservations 14 constitutes bending assisted parts 22, it is also possible to by hermetic unit and not The boundary member of the variation in rigidity of hermetic unit is set in bending reservations 14, in addition, being also included above-mentioned example, is entering During row heat-sealing, the formation of these bending assisted parts 22 also can be simultaneously carried out, this will not also improve the manufacturing cost of packaging bag 1, be Useful.

Above-mentioned first, second, in the four, the 5th embodiments, in order to obtain bending maintain component 16 engaging portion 16a, 16b, sealing is cut and locking piece is defined, and cut channel has been made into the slit-shaped of cut channel edge docking, but it is also possible to cut this Trace makes the state that gap is left and had between relative cut channel edge.

(the 9th embodiment)

Figure 21 and Figure 22 represent the 9th embodiment.The packaging bag 1 of this 9th embodiment, is following tripartite's sealing Packaging bag, i.e. also by the bending in the part of bag sidepiece 8 of the opposing party is become of a sheet material, define relative face sheet 2 With tripartite's bag top 5, the bag side of the side of bag bottom 6 and beyond back-sheet 3, and the bag sidepiece 8 of the opposing party by bending Portion 7 is used as the sealing 9 by heat-sealing.

The packaging bag 1 of this 9th embodiment, forms in the vertical long, using as the bag side of the opposing party on bag top 5 The bag upper corner of the side of portion 8 forms reservations 11, and cutting in the upper limb in sealing 9 from bag top 5 as mouth is outpoured This is set on the line for being positioned against extending below the geosyncline of bag sidepiece 8 of the opposing party of mouth and outpours mouth formation reservations 11.Separately Outward, the bag short transverse central authorities in as this packaging bag 1, as bending reservations 14, incite somebody to action throughout the position of bag width Inclined outpour mouth to form reservations 11 continuous to above-mentioned from the incorporating section 4 of lower position is become compared with bending reservations 14 Part outpours road 10 as storage item, and this storage item outpours the side of bag sidepiece 8 that the opposing party is partial on road 10.With the 7th embodiment The situation of packaging bag 1 is same, and above-mentioned storage item outpours the side of the side of bag sidepiece 7 of a side on road 10, until reaching a side's Part till bag sidepiece 7 is unsealed, but to outpour road 10 with storage item continuous in the region that can be entered as storage item.

The sealing 9 of the bag sidepiece 7 of one side, as illustrated, by as the sealing 9 than bag top 5, bag bottom 6 The wide position of sealed width, and this position has been made according to the banding of longitudinal direction fully wider than the sealed width of bag top and the bottom Wide face sealing thin plate 13.The above-mentioned sealing that mouth forms the position that reservations 11 have separated opposite to each other is outpoured becoming with above-mentioned On thin plate 13, it is provided with bending and maintains component 16.Bending maintains component 16 to be made up of engaging portion 16a and engaging portion 16b, and this is locking Portion 16a by sealing thin plate 13 the side of bag top 5 constituted by the downward convex locking piece 26 that cut channel is defined, the engaging portion 16b is made up of the locking mouth 27 for being formed as U-shaped by cut channel in such a way, i.e. the locking mouth 27 is when predetermined in bending The insertion of locking piece 26 can be carried out as corresponding with above-mentioned engaging portion 16a position during the bending of portion 14 it is locking, in engaging portion In 16b, carry out it is locking before, be as the state closed by chip part.

In packaging bag 1 so in the 9th embodiment, if being with the bending reservations 14 of bag center height position Centre, as in the relative position of bag short transverse, with engaging portion 16a (locking piece 26), engaging portion 16b (locking mouth 27), And outpour mouth in formation and after having outpoured storage item, in the position bending of bending reservations 14, and then make above-mentioned engaging portion 16a card Due to engaging portion 16b (with reference to Figure 22), then become the packaging bag of the mode of following bending：In bending position obturation storage item Road 10 is outpoured, spilling without storage item.Additionally, as illustrated, in the upper end side and lower end side of the bag sidepiece 7 of a side, it is locking The through hole 23 that part is tangled is open respectively, and as shown in figure 22, by being bent into doubling shape, through hole 23 is overlapped, and can be This tangles engagement device.

Using the packaging bag being correspondingly made with above-mentioned first, second, the four, the 5th embodiments as embodiment 1～ 4, then carry out monitoring and evaluation together with the comparative example of explanation.This comparative example is the example of the structure represented as patent document 1 Son.

(comparative example)

Comparative example is used as the packaging bag 1 shown in Figure 23 and Figure 24.Additionally, in order to easily illustrate, pair with above-mentioned reality Apply mode identical position mark identical symbol to be indicated, be following four directions in this packaging bag 1 as comparative example The bag of the mode of sealing, i.e. make face sheet 2 and back-sheet 3 overlap, by the bag sidepiece on bag top 5, bag bottom 6 and left and right 7th, 8 heat-sealing, using four directions as sealing 9.

And, as shown in figure 23, incorporating section 4 is defined between face sheet 2 and back-sheet 3, in this incorporating section 4 Top, the bag sidepiece 8 along the opposing party makes that equal in width ground is extended upward and the storage item that becomes convex outpours road 10 Continuously.Above-mentioned storage item is outpoured road 10 the side of bag sidepiece 7 for becoming a side side as wide panel shape sealing thin plate 13, The offline portion 19 of rip cutting is added as the upper edge from bag top 5 near the position that storage item outpours road 10.

In addition, in the way of to cross the upper part that above-mentioned storage item outpours road 10, being provided with portion offline from above-mentioned rip cutting 19 position reaches the mouth that outpours of encapsulation boundary part of the side of bag sidepiece 8 that the storage item outpours the opposing party in road 10 and forms pre- Determine portion 11.As for above-mentioned sealing thin plate 13, the locking mouth 29 being made up of the slit of longitudinal direction is defined.And, as shown in figure 24, The storage item of this packaging bag 1 is outpoured to be defined on the upper part on road 10 and outpoured after mouth 21, in order to be difficult to outpour road from storage item 10 spill storage item with not needing, and carry out in such a way.

First, after the offline portion 19 of rip cutting has been cut, the above-mentioned part for outpouring mouth formation reservations 11 is cut off, thus, is obtained To outpouring mouth 21.And, storage item is outpoured into the part that road 10 is located and is bent in the way of reversing towards bag central side, and will receive Thing of receiving outpours the fore-end on road 10, i.e., by being used to for the broken ends of fractured bone piece 30 that the cut-out for outpouring mouth Kaifeng is generated to insert above-mentioned card Determine mouth 29, the part for making the broken ends of fractured bone piece 30 engages as engaging portion with the locking mouth 29.In this comparative example, so as to lead in this wise Cross and outpour the broken ends of fractured bone piece that generates of cut-out of mouth formation and engage with locking mouth 29 as engaging portion and obturation storage item outpours road 10 For the purpose of.

(monitoring and evaluation 1)

Will packaging bag corresponding with first embodiment as embodiment 1, will packaging bag corresponding with second embodiment As embodiment 2, and then also above-mentioned comparative example is included, implemented assessment item as outpouring easness and again close The monitoring and evaluation of envelope easness.Embodiment 1,2 and comparative example, using identical duplexer described below as sheet packaging material Using being made packaging bag.Become face sheet, the duplexer of back-sheet Rotating fields it is as follows.

(bag outside) pet film (PET：Beautiful (Toray) Co. Ltd. system P60 in east, the μ of thickness 12 M)/printing layer/bond layer (dty, dry lamination bonding agent)/biaxially oriented nylon film (ONy：You Niji can (Unitika) Co. Ltd. system ONMB, 15 μm of thickness)/bond layer (dty, dry lamination bonding agent)/straight-chain low-density Polyethylene film (LLDPE：Tohcello Co. Ltd. systems TUX-FCS, 60 μm of thickness) (bag inner face)

Using above-mentioned duplexer comparative example, embodiment 1 (corresponding with first embodiment), embodiment 2 have been made (with second Embodiment correspondence) packaging bag.As content, commercially available conditioner 70g is filled with.Appearance and size, the shape for outpouring mouth, The width (length) of opening preset lines (outpour mouth and form reservations) is identical.

Embodiment 1

In embodiment 1 corresponding with first embodiment, two sheet packaging materials are made to overlap and make positive dough sheet Material and back-sheet.In addition, the part to bending reservations, does not implement the processing that embossing, half cut-off etc. are easily rolled over.

Embodiment 2

In embodiment 2 corresponding with second embodiment, two sheet packaging materials are made to overlap same as Example 1ly And made face sheet and back-sheet.In addition, on the part of bending reservations, to becoming when being provided with its bending Implement the bending assisted parts that half cut-off is processed in side toward rolled over.Bending assisted parts reach the opposing party bag sidepiece it is close Envelope portion is using its width as 5mm.

[table 1]

(1 result is evaluated in detection)

It is good) 5 points of full marks methods N=10

Result according to more than, relative to comparative example, to embodiment 1,2 its superiority is confirmed.With regard to comparative example, cut-out The mouth that outpours that defines be not switched on, in inaccessible tendency.By in comparative example outpour mouth formed reservations cut-out and insert During locking mouth, content is attached on hand, furthermore it is possible to see one in storage item outpours the sheet packaging material of the part on road Side is along with big deformation while the situation of insertion.As for embodiment 1, it is good to outpour easness, but is being resealed When, it was observed that monitoring some positions in can not swimmingly carry out bending reservations bending and catch depart from feelings Condition, i.e. bending maintains the situation that the holding section of component has been inadvertently detached from each other.As for embodiment 2, can confirm that in whole Easness is outpoured in monitoring good, resealing easness does not become problem yet.

(monitoring and evaluation 2)

Will packaging bag corresponding with the 4th embodiment as embodiment 3, will packaging bag corresponding with the 5th embodiment As embodiment 4, above-mentioned comparative example is also included, implements and assessment item easness and is resealed into appearance as outpouring The monitoring and evaluation of Yi Du.Embodiment 3,4 and comparative example, identical duplexer described below is made as sheet packaging material Packaging bag.Become face sheet, the duplexer of back-sheet Rotating fields it is as follows.Additionally, duplexer with monitoring and evaluation 1 The duplexer for employing is identical.

(bag outside) pet film (PET：Beautiful (Toray) Co. Ltd. system P60 in east, the μ of thickness 12 M)/printing layer/bond layer (dty, dry lamination bonding agent)/biaxially oriented nylon film (ONy：You Niji can (Unitika) Co. Ltd. system ONMB, 15 μm of thickness)/bond layer (dty, dry lamination bonding agent)/straight-chain low-density Polyethylene film (LLDPE：Tohcello Co. Ltd. systems TUX-FCS, 60 μm of thickness) (bag inner face)

Using above-mentioned duplexer, comparative example, embodiment 3 (corresponding with the 4th embodiment), embodiment 4 have been made (with Five embodiments correspondence) packaging bag.As content, commercially available conditioner 70g is filled with.Appearance and size, the shape for outpouring mouth Shape, opening preset lines (outpour mouth formed reservations) width (length) it is identical.

Embodiment 3

In embodiment 3 corresponding with the 4th embodiment, a sheet packaging material folding will be made and overlapped opposite Sheet material as face sheet and back-sheet.In addition, the part to bending reservations, does not implement the appearance such as embossing, half cut-off Processing easy to break.

Embodiment 4

In embodiment 4 corresponding with the 5th embodiment, a sheet packaging material folding will be made similarly to Example 3 The sheet material folded and overlapped opposite is used as face sheet and back-sheet.In addition, on the part of bending reservations, being provided with Implement the bending assisted parts that half cut-off is processed in side during in its bending to becoming to rolled over.Reach in bending assisted parts The opposing party bag sidepiece, be provided with the little sealing with width as 5mm.This is and the little sealing pair in the 5th embodiment The part answered.

[table 2]

(2 result is evaluated in detection)

It is good) 5 points of full marks methods N=10

Result according to more than, relative to comparative example, with regard to embodiment 3,4 its superiority is confirmed.As for comparative example, cut Outpouring for defining disconnectedly is not switched on, in inaccessible tendency.By in comparative example outpour mouth formed reservations cut-out and insert During locking mouth, content is attached on hand, furthermore it is possible to see one in storage item outpours the sheet packaging material of the part on road Side is along with big deformation while the situation of insertion.As for embodiment 3, it is good to outpour easness, but is being resealed When, it was observed that monitoring some positions in can not swimmingly carry out bending reservations bending and catch depart from feelings Condition, i.e. bending maintains the situation that the holding section of component has been inadvertently detached from each other.As for embodiment 4, can confirm that in whole Easness is outpoured in monitoring good, resealing easness does not become problem yet.

Distinguished according to the result of above-mentioned monitoring and evaluation, with regard to the packaging bag of above-described embodiment 1,3, although be made into operation The unused packaging bag of person, but due to being also fully to wish to improve resealing property by adding the explanation to operator Packaging bag, so in the packaging bag of the present invention, by bending component can be maintained easily to carry out the maintenance of the bending state of bag.

The explanation of symbol：

1：Packaging bag

2：Face sheet

3：Back-sheet

4：Incorporating section

5：Bag top

6：Bag bottom

7：The bag sidepiece of one side

8：The bag sidepiece of the opposing party

9：Sealing

10：Storage item outpours road

11：Outpour mouth and form reservations

12：Encapsulation boundary part

13：Sealing thin plate

14：Bending reservations

16：Bending maintains component

16a、16b：Engaging portion

17、18：Locking piece

23：Through hole

24：Crack arrest portion

25：Substantially pointed shape portion

26：Locking piece

27：Locking mouth

28：Little sealing

31：Crosscutting offline portion

32：L-shaped cuts line portion.

Claims (9)

1. a kind of packaging bag, the face sheet and back-sheet of the packaging bag is opposite, and incorporating section, at least bag are provided with in-between The bag sidepiece on top, bag bottom and a side as the sealing for carrying out sealing by face sheet and back-sheet, described Incorporating section, road is outpoured continuously from the incorporating section towards the storage item that bag top is extended, and the storage item outpours the upper end on road It is allocated as forming reservations to outpour mouth, the packaging bag is characterised by,

Mouth is outpoured described in only arranging in the contrary bag upper corner side of the bag sidepiece with one form reservations,

With it is described outpour mouth and form the storage item that is connected of reservations outpour road, it is contrary with the bag sidepiece of one with deflection The mode of bag lateral side of the opposing party formed, and the storage item outpours the forming portion that road outpours road by crossing the storage item The bending of the bag with the sealing of bag sidepiece in the bending reservations of the position of bag width can be inaccessible arrange,

At least one party of the sealing of the bag lateral side of the side in sealing or bag top in the bag sidepiece of one, The sealing thin plate of the sealing as the wide wide face of sealing surface is formed, is arranged on the sealing thin plate and is maintained in bending reservations Bag bending state bending maintain component,

It is described outpour mouth and form reservations and the bending maintain component, in bag width separate configuration opposite to each other, Er Qiesuo Stating bending maintains component to be partial to the bag lateral side of one, and the mouth that outpours forms the bag side that reservations are partial to described the opposing party Portion side.

2. packaging bag according to claim 1, wherein, the storage item outpours road and the sealing thin plate in bag width side To being set up in parallel.

3. packaging bag according to claim 1 and 2, wherein, the bending maintains component to be made up of a pair of engaging portions, and this one Engaging portion is respectively arranged at when the position relative when the bending reservations have carried out the bending of the bag, can mutually be blocked Close.

4. packaging bag according to claim 3, wherein, among the pair of engaging portion, the engaging portion of a side is by institute The locking mouth of sealing thin plate incision is stated, the engaging portion of the opposing party is to can be inserted into the card that the locking mouth is engagingly arranged Stator.

5. packaging bag according to claim 3, wherein, the pair of engaging portion is individually to reach close by from sealing thin plate The locking piece that the cut channel of the outer end of envelope thin plate is formed.

6. packaging bag according to claim 5, wherein, it is provided with crack arrest portion in one end of the cut channel.

7. packaging bag according to claim 1, wherein, as the bending reservations of the sealing thin plate, close to institute The position that storage item outpours road is stated, any surface by slit or from the surface of the sealing thin plate and the back side is added half is provided with The bending assisted parts that cut-out is constituted.

8. packaging bag according to claim 1, wherein, it is provided with substantially pointed shape convex upward on the bag top Portion, here substantially pointed shape portion has been extended the storage item and has outpoured road, the cardinal extremity position with the substantially pointed shape portion Put to compare and be provided with the bending reservations in lower section.

9. packaging bag according to claim 1, wherein, on the sealing thin plate, as here the bending of thin plate is sealed Reservations have carried out position relative during bending, are provided with the through hole that engagement device is tangled.