CN102015481B

CN102015481B - Bag

Info

Publication number: CN102015481B
Application number: CN2009801075892A
Authority: CN
Inventors: 市川彻; 梅中一博
Original assignee: Ajinomoto Co Inc
Current assignee: Ajinomoto Co Inc
Priority date: 2008-03-04
Filing date: 2009-02-24
Publication date: 2012-06-20
Anticipated expiration: 2029-02-24
Also published as: CN102015481A; US20100290720A1; JP2009208816A; JP5113559B2; HK1152021A1; EP2247513B1; AR070785A1; WO2009110398A1; EP2247513A1

Abstract

A bag includes a bag body having first and second sides (11c, 11d) to meet each other, and a third side (11e) extending obliquely to the first and second sides (11c, 11d) and defining an opening; a spout unit (13) having an apex (13a) projecting from the third side and defining a corner, and a zipper (15); and a recessed portion (17A, 17B, 18A, 18B) positioned away from the zipper (15) and formed on at least one of the first and second sides (11c, 11d).

Description

Sack

Technical field

The present invention relates to zipper-type bags, it comprises the slide fastener that can open or can closed mouth notch portion.

Background technology

Known various pouch, its each all have the mouth notch portion, this mouth notch portion is equipped with can be opened or the slide fastener of closed mouth notch portion.Wherein, for example, the pouch shown in patent documentation 1 is disclosed, and for the ease of taking out thing, angle is as the mouth notch portion on it.Pouch shown in the patent documentation 1 forms the mouth notch portion through opening the angle obliquely.These pouch comprise in the inboard of the mouth mouth that is opened outlet can be opened or the slide fastener of closed mouth notch portion.

But in the pouch shown in the patent documentation 1, the mouth notch portion only comprises linear slide fastener.Therefore, when taking out thing through this mouth notch portion, it is difficult making this mouth notch portion remain on open mode.When this mouth notch portion of finger grip, sack can be from the finger landing.Therefore, the applicant of this subject application invented as patent documentation 2 described have mouth mouth unit pouch.

Patent documentation 1: publication number is the unexamined Japanese patent application of No.2002-284195.

Patent documentation 2: publication number is the unexamined Japanese patent application of No.2005-350104.

Summary of the invention

The problem that the present invention will solve

Have the outlet of mouth mouth like patent documentation 2 described pouch, the opening of the aperture efficiency patent documentation 2 described mouth mouth outlets of this mouth mouth outlet is wideer.Yet this mouth mouth outlet is in case narrow down after widely opening naturally.If the thing of the being adorned big material that is solid, the thing of sometimes being adorned is difficult to take out.Need very soon when taking out a lot of thing, the open mode that keeps magnifying just becomes problem at every turn.

In addition, in patent documentation 2 described pouch, finger slides on the limit that is provided with mouth mouth unit easily, and this can make pouch from the finger landing.

In light of this situation, the present invention provides a kind of sack, even the thing of being adorned is big, also can stay open the thing that state is adorned with taking-up easily, and pouch can landing from finger.

The means that address this problem

Below, the characteristic with reference marker of the present invention is described.

Characteristic of the present invention provides a kind of sack, said sack have bag, mouth mouth unit (13) and recess (17A, 17B, 18A, 18B).Said bag have first and second limits (11c, 11d) and the 3rd limit (11e), join each other in first and second limits, the 3rd limit extend to obliquely said first and second limits (11c, 11d) and limit opening; Said mouth mouth unit (13) has summit (13a) and slide fastener (15), and the summit is outstanding and qualification angle from said the 3rd limit; (18A 18B) be positioned at position away from said slide fastener (15), and (11c is on 11d) at least one to be formed on said first and second limits for 17A, 17B for said recess.

Preferably, and said recess (17A, 17B, 18A, 18B) contiguous with said mouth mouth unit (13).

Preferably, (18A 18B) extends perpendicular to diagonal line (L2) said recess, and (13a) extends and divide said mouth mouth unit (13) equally said diagonal line (L2) from said summit.

Effect of the present invention

According to the present invention, (18A 18B) is easy to grasp said bag (11) for 17A, 17B, and this helps taking out the thing of being adorned to be placed on first and second recesses to finger respectively.Grasp said first and second recesses (17A, 17B, 18A, finger 18B) is inwardly firmly grasped said pouch, this has widened mouth mouth outlet (13k) of said mouth mouth unit (13), and keeps the open mode of magnifying.

Description of drawings

[Fig. 1] Fig. 1 is the planar view of setting forth according to the sack of embodiment one.

[Fig. 2] Fig. 2 is the scheme drawing of setting forth the sack that is opened.

[Fig. 3] Fig. 3 is the planar view of setting forth according to the sack of embodiment two.

Reference marker

10A, the 10B sack

11 bags

13 mouth mouth unit

14 little protrusions

15 slide fasteners

17A first recess

17B second recess

18A first recess

18B second recess

The specific embodiment

Below, will be described in detail with reference to the attached drawings embodiments of the invention.

Embodiment one

With reference to figure 1, sack 10A comprises bag 11 and is fixed on the mouth mouth unit 13 on the bag 11.

Bag 11 is the plane bags with the first and second

planar section

11a and 11b, and it has peripheral 11a1 and the 11b1 that is hermetically sealed each other through heat seal.Bag 11 has the inclined side 11e as the 3rd limit, and the 3rd limit connects the top margin 11c on conduct first and second limits of converging each other and the end of side 11d.

Bag 11 is made up of the film of lamination, and this film can adopt any form.For example, this laminated film adopts basic material layer, interlayer and the innermost layer from outside lamination.

Ideally, the basic material layer is the film with better impressionability and impact resistance, and impact resistance for example is anti-thorn intensity and pulling strengrth.For example, the basic material layer adopts polyethylene terephthalate, polypropylene, polyamide, the simple layer or the laminate layers of the biaxial stretching film of ethylene-vinyl alcohol copolymer or similar substance or unilateral stretching film.In order to make the basic material layer have barrier property to oxygen and aqueous vapor; The basic material layer adopts and uses aluminium or the inorganic oxide of metalloid or monox or the film that analogue carries out vapor deposition, the film that perhaps uses polyvinylidene chloride to apply.Can use paper or glass paper.

Ideally, the application interlayer according to sack is to have oxygen barrier property, the film of the function of aqueous vapor barrier property and tear-resistant performance.For example, interlayer adopts the metallic paper of aluminium or analogue; Described vapor deposition film or coated film perhaps.

Ideally, innermost layer is to pass through heat seal and the film of hot adhesion combination.For example, innermost layer adopts high density polyethylene (HDPE), low density polyethylene (LDPE), linear low density polyethylene, the non-directional film of polypropylene or similar substance.Innermost layer can adopt and push these resins through extruded lamination and form resin bed.In addition, in order to be attached to mouth mouth unit 13, innermost layer is desirably has mouth mouth unit 13 identical materials.

These films use adhesivess, thermal viscosity resin or analogue, and be laminated on together through known method.

Sack is not limited to the bag 11 of plane bag, and can be stand-up pouch or the analogue with bottom member.

Sack 10A comprises and connecting with bag 11 and from the outstanding mouth mouth unit 13 of the inclined side 11e of bag 11.Mouth mouth unit 13 adopts poly-vinyl, polypropylene or similar resin, and forms through injection molding method.Mouth mouth unit 13 comprises first and second thin slice 13b and the 13c of two rectangles, its each have top 13d, left side 13e, the right 13f and following 13g.The first and second

thin slice

13b and 13c are stacked together each other.Top 13d and left side 13e form summit 13a, and it constitutes the angle 10b of sack 10A.

Mouth mouth unit 13 has the right 13f and the following 13g that is positioned on the bag 11 as periphery sides.The right 13f extends to top 13d obliquely.Following 13g extends to left side 13e obliquely.The right 13f and following 13g join each other, and form angle point 13h.Connect summit 13a and the diagonal L 2 of angle point 13h is divided equally mouth mouth unit 13.

In mouth mouth unit 13, the first and second

thin slice

13b and 13c on top 13d and left side 13e place are bonded to together.The inside face of first and second planar section 11as and the 11b of mouth mouth unit 13 through the first and second

thin slice

13b and 13c being combined in bag 11 and becoming one with bag 11, said combination realizes through partly locating to carry out heat seal at the overlapping of the first and second

thin slice

13b and 13c and bag 11 respectively.

Mouth notch portion 13 comprises and is positioned at bag 11 in-to-in slide fasteners 15.For example, slide fastener 15 is crooked on diagonal L 2, and is positioned as parallel with following 13g with the right 13f.Slide fastener 15 comprises public slide fastener and female slide fastener 15a and the 15b that is bonded with each other.Public slide fastener and

female slide fastener

15a and 15b are formed on respectively on the inside face of the first and second thin slice 13b and 13c.Public slide fastener and

female slide fastener

15a and 15b are engaged with each other so that bag 10A sealing.

Mouth mouth unit 13 can have the little protrusion 14 that is arranged on bag 11 outsides and is positioned to outwards give prominence to.Little protrusion 14 comprises the planar section 11a that passes bag 11 respectively and first and second little protrusion 14A and the 14B of 11b.Make public slide fastener and female slide fastener 15a of

slide fastener

15 and 15b separated from one another to the outer layback first and second little protrusion 14A of

bag

10A and 14B, this helps opening sack 10A.

Mouth mouth unit 13 can have tear portion 13j, to be used for from separating apex portion 13a with this tear portion that bag 11 connects.Tear portion 13j is positioned at the position that overlaps with the inclined side 11e of bag 11.Tear portion 13j along straight-line extension, and arrives top 13d and left side 13e perpendicular to diagonal L 2.For example, tear portion 13j forms through each the thickness attenuation that makes the first and second

thin slice

13b and 13c, and this helps tearing off apex portion 13a from the tear portion that connects with bag 11.Tear portion 13j can form to have and assemble the so-called rough surface that a plurality of apertures are arranged.

Notice that mouth notch portion 13 can form and has otch, these otch on top tear off the beginning part on the extendible portion on 13d and the left side 13e as tear portion 13j.They can combination with one another.

First and second thin slice 13b of mouth mouth unit 13 and the inside face of 13c and outside face can be formed on summit 13a and between the angle point 13h, and have the broken line that overlaps with diagonal L 2.For example, broken line forms through each the thickness attenuation that makes the first and second thin slice 13b and 13c.When a left side and the top 13d of dextrad mouth mouth unit 13 and left side 13e apply power, the first and second

thin slice

13b and 13c fold on broken line, and broken line becomes crestal line.That is to say that it is the open mode of magnifying of rectangle that broken line makes tear portion 13j can help limiting mouth mouth outlet 13k.

Sack 10A comprises U type first and second recess 17A and the 17B, and it is positioned at the position away from mouth notch portion 13, and is formed on top margin 11c and the side 11d.The first and

second recess

17A and 17B are positioned at and the right 13f and the contiguous position of following 13g.The first and

second recess

17A and 17B comprise from top margin 11c and side 11d inwardly and the vertically extending first and

second leg portion

17a and 17b and respectively with the first and second leg portion 17a and the interconnective arcuate arc part of 17b 17c.13f and following 13g were nearer on the right of the first leg portion 17a took leave of than second leg portion 17b branch.In recess 17A and 17B, the homologous lines preferred vertical of be connected to each other two the leg portion 17a and two the leg portion 17b that are connected to each other is in being connected summit 13a and to angle point 13h, and the diagonal L 2 of dividing mouth mouth unit equally.This is that the strength of finger is applied among recess 17A and the 17B perpendicular to diagonal L 2 because when finger grip recess 17A and 17B, and this helps making outlet 13k to remain on the open mode of magnifying of rectangle.

Next the method for using sack 10A is described.

First or the top margin 11c of bag 11 and the top 13d of mouth mouth unit 13 constitute the open upper end of sack 10A.From this upper end inwards dress thing.After having adorned, the upper end is combined through heat seal, thus bag 10A airtightly.

When sack 10A was opened, the apex portion 13a as the angle 10b of sack 10A of mouth mouth unit 13 was cut away along tear portion 13j, and this just forms mouth mouth outlet 13k (with reference to figure 2).When being pulled outwardly

little protrusion

14A and 14B respectively, the public slide fastener 15a of slide fastener 15 and the joint of female slide fastener 15b are opened.Next, with reference to figure 2, finger is placed among recess 17A and the 17B, and grasps sack 10A.These fingers inwardly grasp sack 10A, make the mouth mouth outlet 13k of mouth mouth unit 13 opened and are rectangle, and be maintained at the open mode of magnifying.This prevents sack 10A landing from finger.

Inclination sack 10A, and the thing of being adorned takes out from opening 13k.After the taking-up, public slide fastener 15a and female slide fastener 15b are engaged with each other, and make sack 10A by sealing once more.

Embodiment two

With reference to figure 3, sack 10B has first and second recess 18A and the 18B, and other inscape is similar with the corresponding assembly according to the sack 10A of embodiment one.

The first and second recess 18A of V-arrangement and 18B be perpendicular to being connected summit 13a and to angle point 13h, and the diagonal L 2 of dividing mouth mouth unit 13 equally is extended.The first and

second recess

18A and 18B have first and second leg portion 18a and the 18b that favour top margin 11c and side 11d extension respectively.The first and

second leg portion

18a and 18b are close to each other in the inside of bag 11.The first leg portion 18a is nearer from mouth notch portion 13 from mouth notch portion 13 to the second leg portion 18b.The first leg portion 18a is parallel to and connects summit 13a and to the diagonal L 2 of angle point 13h.The second leg portion 18b is perpendicular to connecting summit 13a and to the diagonal L 2 of angle point 13h.

According to sack 10B, finger inserts between the first and second leg portion 18a and the 18b.When finger applied power for the first leg portion 18a, this power was hung down as for connecting summit 13a and the diagonal L 2 of angle point 13h being applied, and this helps mouth mouth unit 13k is remained on the open mode of magnifying of rectangle.

Notice that the foregoing description can change in the object of the invention scope.For example, recess 17A, 17B, 18A and 18B are not limited to described U type or V-type, and if their can be Any shape as the device that stays open state.As for the position, some or all of can the overlapping in them with mouth mouth unit 13.

Described heat seal is not limited to heat seal, and can adopt the sealing of use adhesive agent or the sealing of melt process.As long as can seal, can use any method.

Claims

1. sack comprises:

Bag has first and second limits and the 3rd limit, joins each other in first and second limits, and the 3rd limit extends to said first and second limits obliquely and limits opening;

Mouth mouth unit has summit and slide fastener, and said summit is outstanding and qualification angle from said the 3rd limit; With

Recess, said recess is positioned at the position away from said slide fastener, and is formed at least one of said first and second limits.

2. according to the sack of claim 1, wherein said recess and said mouth mouth unit are contiguous.

3. according to the sack of claim 1 or 2, wherein said recess extends perpendicular to diagonal line, and said diagonal line is from the extension of said summit and divide said mouth mouth unit equally.