CN1070806C

CN1070806C - Synthesized-resin film bag with discharging mouth

Info

Publication number: CN1070806C
Application number: CN96123086A
Authority: CN
Inventors: 石垣隆正; 小泽烈
Original assignee: Kishimoto Industry Co ltd
Current assignee: Kishimoto Industry Co ltd
Priority date: 1996-12-16
Filing date: 1996-12-16
Publication date: 2001-09-12
Anticipated expiration: 2016-12-16
Also published as: HK1009790A1; CN1185401A

Abstract

The present invention relates to a synthetic resin film bag which is formed by heating and fixing two layers of two-double or overlapped films. A bag body of the present invention is provided with a main filling part (1) which is used for filling built-in substances. Convex-shaped exhaust port parts (4, 5) are provided with an exhaust port channel (2). The convex-shaped exhaust port parts (4, 5) extend outward from the corner of the main filling part, and the outer ends of the convex-shaped exhaust port parts are closed. When the built-in substances are needed to be used, the exhaust port parts (4) is cut open to enable the built-in substances, such as liquid or jello be easily exhausted and reliably enter another container.

Description

Film of synthetic resin bag with discharge orifice

The present invention relates to have the film of synthetic resin bag of discharge orifice part, particularly relate to the discharge nozzle structure of film of synthetic resin bag.

For the content of selling on the market that is filled with, as liquid, the container of jello etc., it makes rigid container by materials such as molded glass, synthetic resin usually, and this container is widely-used.But recently the viewpoint container parts according to environmental protection and efficent use of resources progressively change to flexible material from rigid material, that is, and and for the material that reduces use and waste material not.

Therefore, flexible square bag shape container is used widely, and replaces conventional stiff rectangular container.As one of flexible square bag of routine, has this bag, promptly, be provided with the bevelled opening portion in the vertical side edge of bag and two inboards that engage one of bight between the upper side edge, by this way, when needs are poured out liquid or jello from bag, only need the excision opening portion.Usually, though the said vesse bag has the bottom of expansion, oval-shaped base for example, so that this container bag can vertically be placed, the container bag of nearly all this sharp type is rectangular, has two bights in the top.

In addition, for the upper corner in container bag constitutes the discharge orifice part, owing to excise the escape route that the bight constitutes container bag usually, the discharge orifice part is positioned at the inboard of container bag vertical side edge inevitably.So, when from container bag, pouring out liquid or jello, can not stably determine to discharge route, so that exist liquid or jello drops onto on user's the finger or palm, or flow to the outside face of container bag.Therefore, must be careful when in container bag, pouring out liquid or jello.

In addition, when the content in all container bag is once discharged after container bag is unlocked, no problem still.But, when the part content will be retained in the container bag, because remaining content is tending towards the end of the discharge orifice part of bonding container bag, when bonded assembly content contacts outside air, the corrupt or dry problem that becomes solid of content will appear.

In view of problem recited above, the purpose of this invention is to provide a kind of film of synthetic resin bag, it can easily make the content in the container bag pour another container into.

In addition, another object of the present invention provides a kind of film of synthetic resin bag with discharge orifice part, and it can avoid the end of the content bonding discharge orifice part in the bag after the discharge orifice part is torn and used.

In addition, another object of the present invention provides a kind of film of synthetic resin bag, wherein can tear the discharge orifice part along cutting off mark exactly.

In order to reach the foregoing invention purpose, film of synthetic resin bag provided by the invention constitutes by adding the two-layer folding or overlapping film of heat fixation, and wherein bag is made of the main filling part (1) that is used to fill content; Convex mouth shape discharge orifice part (4,5) has discharge orifice passage (2), and its bight from main filling part (1) stretches out, and in its outer end sealing, wherein, bag (100) also has cut-out mark (6), and it is across discharge orifice part (4); Locate to be provided with sunk part (7) at cut-out mark (6), it is provided with by this way, that is, the internal diameter of discharge orifice part is radially local downwards to be increased.

And preferably bag (100) also has two outstanding tapes (12), and it extends along the both sides that cut off mark (6).

And preferably bag (100) also has as cut-out (11a) gripping portion, that be positioned at convex mouth shape discharge orifice part (4) below.

And preferably bag (100) also has another cut-out (11b) that is positioned at its upside.

And preferably bag (100) also has at least one V-shaped groove that is positioned at cut-out mark (6) part (6a), and it is across sunk part (7).

And, best, by adding the puddle (8) of the bag (100) of heat fixation except that main filling part and convex mouth shape discharge orifice part, form main filling part (1) and convex mouth shape discharge orifice part (4).

In film of synthetic resin bag of the present invention, when needs are discharged content from the osed top bag, be easy to tear convex mouth shape discharge orifice part, thereby open discharge orifice along cutting off mark.In this case, because the discharge orifice passage that forms extends from main filling part, the discharge orifice part can be inserted in another container that need pour content into, thereby can discharge the content of accurate quantity from bag to another container.

And, in film of synthetic resin bag of the present invention, owing to below the discharge orifice part, sunk part is set by this way with the cut-out mark, that is, the radially local downwards increase of the internal diameter of discharge orifice part.After content discharged from bag, it can avoid the end of content bonding discharge orifice part.

And, in film of synthetic resin bag of the present invention, owing to be provided with two outstanding tapes along the both sides that cut off mark, thus can tear the discharge orifice part exactly along cutting off mark.

And, in film of synthetic resin bag of the present invention,, be easy to tear the discharge orifice part owing to be provided with the V-shaped groove part in the cut-out mark.

Fig. 1 be front view its represent the essential part of bag embodiment of the present invention.

Fig. 2 is the front view of the version of expression bag shown in Figure 1.

Fig. 3 is the front view that amplifies, the puddle shown in when be stripped from one of surface of its expression bag.

Fig. 4 is the front view that amplifies, and its expression has the essential part of the bag of another kind of structure.

Fig. 5 is the front view that amplifies, the cutting part that its expression is shown in Figure 4.

Fig. 6 is along the cross sectional drawing shown in VI among Fig. 5-VI line.

Fig. 7 is the front view of the whole bag of expression.

Fig. 8 is the front view of the another kind of version of bag of the present invention.

Fig. 9 is the front view of the another kind of version of bag of the present invention.

Figure 10 is the front view of the another kind of version of bag of the present invention.

Describe the embodiment of film of synthetic resin bag of the present invention with reference to the accompanying drawings in detail.

In Fig. 1, form bag 100 by adding the two-layer folding or overlapping film of synthetic resin of heat fixation or caking.Described bag 100 comprises main body 101.The top of described main body 101 is rectangular basically.Described main body 101 has main filling part 1 and puddle 8.By the puddle 8 sealing two layers films of fusing around main filling part 1 and convex mouth shape discharge orifice part 4.Though after having filled content such as liquid or jello,, when making bag 100,, leave not weld for any puddle 8 in order in bag 100, to fill content along puddle 8 sealing bags 100.

In bag 100 of the present invention, except that the bottom of bag 100, the pros and cons of bag 100 is roughly rectangular, and the main body 101 of bag 100 is mainly used in the filling content.And, be provided with discharge orifice part 4 at main filling part 4 tops of bag 100 one jiao.

In discharge orifice part 4, be provided with discharge orifice passage 2.Described discharge orifice passage 2 stretches out from the bight of main filling part 1, and by 3 sealings of conduit wall part.Conduit wall part 3 is extended from the puddle 8 around main filling part 1, and the outer end of sealing discharge orifice part 4.And discharge orifice part 4 constitutes convex mouth shape 5.

At this, bag 100 also has the mark 6 of cut-out, and it is across the discharge orifice passage 2 of discharge orifice part 4.Form the cut-out mark by printing out solid line or making line of weakness, indication needs to cut off the position of discharge orifice part 4, so that draw off the content in the bag 100.

At this, cut-out mark 6 places of discharge orifice passage 2 also are provided with sunk part 7, and it is provided with by this way, that is, when bag 100 was in erectility, the internal diameter of discharge orifice part 4 is radially local downwards to be increased.Therefore, can prevent discharge orifice part 4 drippages of content from bag 100.In other words, when discharge orifice part 4 when cut mark 6 cuts off, open discharge orifice passage 2.Because the internal diameter of discharge orifice passage 2 is radially local downwards and expansion suddenly at the lower end edge of the opening portion of discharge orifice part 4, so can prevent to form the remaining content that can drip in the bottom of discharge orifice part 4.

In addition, preferably as shown in Figure 5, make V-shaped groove part 6a along the upper and lower sides that cuts off mark 6, tear discharge orifice part 4 by user's hand so that be easy at puddle 8.In this embodiment,, when needs use, tear bag 100, can tear discharge orifice part 4 along the position at sunk part 7 places reliably along cutting off mark 6 because there is not V-shaped groove part 6a.Described sunk part 7 is positioned at the lower end of the cut ends of discharge orifice part 4.In addition, in this case, the molecular structure of the film of synthetic resin of bag 100 is matched with the direction of tearing of V-shaped groove part 6a.

And, preferably as illustrated in Figures 5 and 6, two outstanding tapes 12 are set, it is extended along the both sides that cut off mark 6 respectively, so that discharge orifice part 4 can be opened along cutting off mark 6 exactly, that is, tear bag 100 in any case, cut off line and do not depart from cut-out mark 6, and between two outstanding tapes 12.

At this,, can have the convex mouth shape 5 of multiple version for the shape of discharge orifice part 4.

In first embodiment shown in Figure 7, the top end part of convex mouth shape 5 is concordant with the upper end of bag 100.

In second embodiment shown in Figure 8, the top end part of convex mouth shape 5 is concordant with the upper end of bag 100.And cut-out 11a is positioned at the below of convex mouth shape 5.This cut-out 11a can separate with the outer end of discharge orifice part 4 reliably from the vertical side edge 9 of bag 100.As shown in the figure, the shape of cut-out 11a is V-shaped or trapezoidal.When cut-out 11a forms when trapezoidal, can be with its gripping portion 10 as bag 100.

In version shown in Figure 9, similar with shown in Figure 7 first embodiment that changes, but also be provided with triangle cut-out 11b at the upside of bag 100.

In version shown in Figure 10, similar with shown in Figure 8 second embodiment that changes, but also be provided with triangle cut-out 11b at the upside of bag 100.

As mentioned above, in film of synthetic resin bag of the present invention, because on bag 100, be provided with the discharge orifice part, by this way, convex mouth shape part is stretched out from bag 100, be easy to like this discharge orifice is partly inserted empty container, content poured into this empty container, and content is spilt from bag 100.

In addition because the convex mouth shape of discharge orifice part part stretches out from bag 100, even another empty container partly separates with convex mouth shape, also can guarantee the content that from bag 100, draws off towards shown in the direction of container of sky.

In addition, in bag 100, during the reserve part content,, can prevent the residual content of open end when needs in the discharge orifice part because partly be provided with sunk part the convex mouth shape of discharge orifice part.

And, because be provided with outstanding tape,, can both open the discharge orifice part along cutting off mark exactly, and not depart from the cut-out mark so tear the discharge orifice part in any case in the both sides that cut off mark.

In addition, because do not have two V-shaped grooves, so can accurately and reliably tear bag 100 along cutting off mark at an easy rate in the cut-out mark.

Claims

1. one kind is passed through the film of synthetic resin bag that fixing two-layer folding or overlapping film forms, and it comprises:

Bag, it has the main filling part (1) that is used to fill content and around the first fixing peripheral part (8) of described main filling part;

Convex mouth shape discharge orifice part (4,5), it has the discharge orifice passage, described discharge orifice passage stretches out from the bight of main filling part, and second fixedly peripheral part (3) round described discharge orifice passage,

It is characterized in that comprising:

Cut off mark (6), it is across discharge orifice part (4);

The seat cuts off the sunk part (7) of mark, and it constitutes by this way, that is, make the radially downward part of internal diameter of discharge orifice part (4) increase.

2. according to the described film of synthetic resin bag of claim 1, it is characterized in that: have two outstanding tapes (12), described tape (12) extends along the both sides of described cut-out mark (6).

3. according to the described film of synthetic resin bag of claim 1, it is characterized in that: have cut-out (11a), described cut-out (11a) is positioned at the below of convex mouth shape discharge orifice part (4), as gripping portion.

4. according to the described film of synthetic resin bag of claim 1, it is characterized in that: the upper portion at described bag also has another cut-out (11b).

5. according to the described film of synthetic resin bag of claim 1, it is characterized in that: locate to have at least a V-shaped groove part (6a) at cut-out mark (6), it is across described sunk part (7).

6. according to the described film of synthetic resin bag of claim 1, it is characterized in that: constitute the described first fixing fixing peripheral part (3) of peripheral part (8) and described second by the heating and melting mode.