CN106115078A - Easily tear composite soft packaging and manufacture method thereof - Google Patents
Easily tear composite soft packaging and manufacture method thereof Download PDFInfo
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- CN106115078A CN106115078A CN201610645968.9A CN201610645968A CN106115078A CN 106115078 A CN106115078 A CN 106115078A CN 201610645968 A CN201610645968 A CN 201610645968A CN 106115078 A CN106115078 A CN 106115078A
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- bag
- binding agent
- soft packaging
- composite soft
- solidification
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
- B65D77/22—Details
- B65D77/30—Opening or contents-removing devices added or incorporated during filling or closing of containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bag Frames (AREA)
- Wrappers (AREA)
Abstract
The invention discloses one and easily tear composite soft packaging, front and back two panels bag film periphery is bonded bag, bag has peristome, at peristome, on two bag films, parallel interval is provided with the solidification band extended along peristome width respectively, solidification band on two bag films aligns one by one, on each bag film, two adjacent solidifications form the tear guide ribs extended along peristome width between band, and the hardness of solidification band and intensity are more than hardness and the intensity of described tear guide ribs；Bag film is at least compounded to form by the binding agent dry type containing light curing agent by double-layer films base material, and solidification band is that described binding agent generation secondary is solidified to form under ultraviolet light irradiates；And also disclose the manufacture method of a kind of above-mentioned easy tear composite soft packaging in the present invention.Easily tear composite soft packaging in the present invention can be on the premise of not changing the thin-film material of composite packaging and composite construction, it is possible to realizes that tearing port is neat, the controllable purpose in tear direction, has good practicality.
Description
Technical field
The present invention relates to a kind of easily tear composite soft packaging and manufacture method thereof, belong to soft package structure and manufacturing technology neck
Territory.
Background technology
Composite packaging is two or more material, combines through one or many dry-lamination process,
Thus constitute the composite packaging of certain function.It is often for the function improving packaging that composite packaging carries out the purpose of Material cladding
Characteristic, such as: improve intensity, strengthen barrier property, raising fresh keeping property, raising antistatic property etc..But composite packaging function is special
Property raising, be the most all to obtain with the approach increasing the compound number of plies, improving combined strength bination.Along with packaging combined strength bination, glue
Connect the raising of fastness, tearing strength, can reduce user disassemble, ease for use when tearing packaging.Disappear for masses are widely used
Taking the composite soft packaging of series products, the tearability of packaging is also the critical function characteristic that user pays close attention to, but is combined Soft Roll at present
The easy tearing function of dress product does not the most obtain the extensive attention of manufacturer.
The most easily tear composite packaging should have the following characteristics that (1), when consumer opens the package, ftractures at needs
Place should have more satisfactory cracking effect；(2) on the premise of guaranteeing content safety, tear edge should be the least,
Simultaneously facilitate and tear；(3) tearing port autgmentability is good, and tear line should be neat.
Current existing easy tear composite packaging product, mostly uses modified PET film, improvement PE film to be compounded to form with aluminium foil
PET/Al/PE composite construction easily tore film.Its principle is that common PET film carries out surface coated treatment, changes the molecule of PET film
Structure thus reduce the fracture tensile strength of PET film, punctured resistance and tearing strength；PE film ground floor is carried out physics punching
Hit so that it is surface forms micropore, the PE film second layer is increased easy-to-rupture auxiliary agent, reduces its physical property；Then after processing
Easily the PET film of tear, PE film are combined with aluminium foil, it is thus achieved that the composite membrane that any direction easily tears.The feature of this technology is to pass through
The method reduction chemically or physically processed carries out the intensity of the plastic sheeting being combined, and the aluminium foil with easily tear carries out multiple the most again
Close, thus obtain the functional characteristic that any direction easily tears；Its shortcoming has the following aspects: one, compound material and structure
It is limited to specific PET/Al/PE composite construction；Two, the lifting of easy tearing function is with composite construction bulk strength, barrier
The functions such as energy are reduced to cost；Three, tearability is rendered as any direction rather than optional, controllable.
Summary of the invention
To this, it is desirable to provide a kind of on the premise of the thin-film material not changing composite packaging and composite construction,
Realize that tearing port is neat, tear direction controllable tearable bag dress and manufacture method thereof.
The technical scheme realizing the object of the invention is:
One easily tears composite soft packaging, and front and back two panels bag film periphery is bonded bag, and bag has peristome, institute
State at peristome on two bag films parallel interval respectively and be provided with the solidification band extended along peristome width, on two bag films
Solidification band align one by one, on each bag film two adjacent solidification band between formed along peristome width extend tear guide
Bar, the hardness of described solidification band and intensity are more than hardness and the intensity of described tear guide ribs；
Described bag film is at least combined by binding agent dry type by double-layer films base material and is formed, and contains in described binding agent
Light curing agent, described solidification band is that described binding agent generation secondary is solidified to form under ultraviolet light irradiates.
In technique scheme, it is linear that what described solidification carried is shaped as linear, arc line shaped or wave, and corresponding is described
Tear guide ribs to be shaped as linear, arc line shaped or wave linear.
In technique scheme, the position that described packaging bag outward flange aligns with described tear guide ribs offers easily tears
Otch.
In technique scheme, in described binding agent, light curing agent weight accounting is 3-8%.
The manufacture method of a kind of easy tear composite soft packaging, is used for manufacturing above-mentioned easy tear composite soft packaging, includes successively
Following steps:
Compound working procedure, at least will make a bag film by binding agent dry type is compound by double-layer films base material, and adhesive therefor is for containing
There is the binding agent of light curing agent；
Curing step, puts into curing chamber by bag film and carries out ripening；
Cut operation, the bag film through overcuring is cut, obtain specification and meet the bag film of bag requirement；
Ultraviolet light constituency is irradiated, and is positioned on curing apparatus by the bag film cut, and is selectively shone by ultraviolet light
Penetrating a bag film, the light curing agent of light irradiation area irradiates through ultraviolet light and causes the solidification of binding agent secondary, forms described solidification band；
Bag operation, requires to make packaging bag on bag-making equipment in strict accordance with bag.
In technique scheme, in described binding agent, light curing agent weight accounting is 3-8%
In technique scheme, described binding agent uses polyurethane solvent type binding agent.
In technique scheme, in solidification band formation process, ultraviolet light maybe can be occurred ultraviolet spectra by ultraviolet laser
Ultra-violet lamp produces.
In technique scheme, in curing step, curing temperature controls at 40-50 DEG C, curing time 24-48h.
In technique scheme, in the irradiation process of ultraviolet light constituency, a length of 325.0-365nm of used ultraviolet light wave,
The power density of photoirradiation is 100-5000W/cm2, irradiation time is 0.01-0.2s.
The present invention has a positive effect:
(1), in the easily tear composite soft packaging of the present invention, at peristome, on two bag films, parallel interval is provided with edge respectively
The solidification band that peristome width extends, the solidification band on two bag films aligns one by one, two adjacent solidification band on each bag film
Between form the tear guide ribs extended along peristome width, the hardness of described solidification band and intensity are drawn more than described tear
The hardness of sliver and intensity, use said structure, and described solidification band has in terms of hardness and intensity with described tear guide ribs
Notable difference, when opening flexible package, the direction extended packaging tearing port by described solidification band retrains and guides, tear
Opening's edge tear guide ribs infiltration and development, i.e. by realizing manual control tear direction after above-mentioned improvement, and ensure that
Tearing port is neat, and without composite packaging being defined to specific composite packaging structure；Arrange on two bag films further is described
Solidification band aligns one by one, and corresponding, the described tear guide ribs on two bag films is alignd the most one by one, is so tearing
Ensure that during packaging bag that two bag films of flexible package have identical tearing port, it is ensured that the concordance of tearing port and tearing port
Aesthetic property；On this basis, described bag film is at least combined by binding agent dry type by double-layer films base material and is formed, described viscous
Containing light curing agent in mixture, described solidification band be under ultraviolet light irradiates light curing agent cause the solidification of binding agent generation secondary and
Being formed, use the formation of this Structured cured band to be more prone to, technique the most more simplifies, and cost more saves.
(2) in the manufacture method of the easily tear composite soft packaging of the present invention, solid by using containing light in compound working procedure
At least double-layer films base material dry type is combined by the binding agent of agent, and arranges irradiated region, ultraviolet light constituency after cutting operation and have choosing
That selects sends ultraviolet light, and forms the light area mated with solidification belt shape size on bag film near the position of bag mouth,
And then the light curing agent generation secondary of light area solidify to form solidification band, this structure is used to make the formation of solidification band more
Easily, a bag film original structure need not too much be changed；From the standpoint of cost, only need to be when manufacturing the composite soft packaging in the present invention
On the basis of existing production line, increasing ultraviolet light constituency irradiation process, remaining operation and relevant device are without changing, and the equipment that reduces is thrown
Enter, reduce cost.
Accompanying drawing explanation
Fig. 1 is the positive direction view easily tearing composite soft packaging in invention；
Fig. 2 is the process chart easily tearing composite soft packaging manufacture method in the present invention；
The topology view of the Fig. 3 a kind of vibration mirror scanning equipment by being used at ultraviolet light constituency irradiation process in embodiment 2.
Reference shown in figure is: 1-bag；11-bag film；12-easily tears otch；13-solidifies band；14-tears guiding
Bar；2-hot edge seal；3-controller；4-ultraviolet laser；5-beam shaping；6-galvanometer；7-motor driver；8-motor；
9-transporter；10-the first signal conditioner；101-platform；102-condenser lens；103-secondary signal conditioner.
Detailed description of the invention
Below in conjunction with Figure of description, the concrete structure in the present invention is done with explanation:
(embodiment 1)
One easily tears composite soft packaging, as it is shown in figure 1, two bag film 11 peripheries combine (such as heat-sealing) constitutes bag 1, bag
Body has peristome, and at described peristome, on two bag films 11, parallel interval is provided with along the extension of peristome width respectively
Solidification band 13, on each bag film 11, two adjacent solidifications form, between 13, the tear guide ribs extended along peristome width
14, hardness and the intensity of described solidification band 13 are more than the hardness of described tear guide ribs 14 and intensity, the institute on two bag films 11
State solidification band 13 and described tear guide ribs 14 is alignd one by one；Further, described bag film 11 is at least led to by double-layer films base material
Crossing binding agent dry type to be combined and formed, containing light curing agent in described binding agent, described solidification band 13 is under ultraviolet light irradiates
Described binding agent generation secondary is solidified to form, and uses the formation of this Structured cured band to be more prone to, and technique the most more simplifies,
Cost more saves.Said structure, described solidification band 13 is used to have in terms of hardness and intensity substantially with described tear guide ribs 14
Difference, when opening flexible package, is retrained by described solidification with 13 directions extending packaging tearing port and guides, tearing port
Along tear guide ribs 14 infiltration and development, i.e. by manual control tear direction can be realized after above-mentioned improvement, and ensure that
Tearing port is neat, and without composite packaging being defined to specific composite packaging structure；Institute on two bag films 11 is set further
Stating solidification band 13 to align one by one, corresponding, the described tear guide ribs 14 on two bag films 11 is alignd the most one by one, and such one
The two bag films 11 enabling to flexible package when tearing packaging bag have identical tearing port, it is ensured that the concordance of tearing port
And the aesthetic property of tearing port.By change solidification with 13 shape can change the shape of tearing port, the shape of described solidification band 13
It is linear that shape can be designed as linear, arc line shaped or wave.
In the present embodiment, the position that described bag 1 outward flange aligns with described tear guide ribs 14 offers easily to tear cuts
Mouth 12, when tearing packaging bag, more convenient and laborsaving.Preferably, neat in order to ensure tearing port and easily openable, institute
State the two ends hot edge seal 2 with described bag 1 peristome both sides respectively solidified with 13 to be connected, referring to shown in Fig. 1.
In the present embodiment, in described binding agent, light curing agent weight accounting is 3-8%, preferably 5%, and practice finds, presses
Weight proportion adds light curing agent in binding agent like this, in a length of 325.0-365nm of ultraviolet light wave, the power density of photoirradiation
For 100-5000W/cm2, irradiation time is 0.01-0.2s, illumination condition under, binding agent can be promoted to occur within the shortest time
Secondary solidifies, and forms the solidification band with sufficient intensity and hardness, ensure that gluing between dry type compound tense film substrate simultaneously
Knot power, binding agent described in the present embodiment uses this area traditional binders, such as polyurethane solvent type binding agent, at compound tense, viscous
The spread of mixture is 4-5.5 gram/m.
(embodiment 2)
With reference to Fig. 2, the manufacture method of a kind of easy tear composite soft packaging, it is combined for manufacturing the easily tear in embodiment 1
Flexible package, comprises the following steps successively:
Compound working procedure, at least will make a bag film by binding agent dry type is compound by double-layer films base material, and adhesive therefor is for containing
There is the binding agent of light curing agent；
Curing step, puts into curing chamber by bag film and carries out ripening；
Cut operation, the bag film through overcuring is cut, obtain specification and meet the bag film of bag requirement；
Ultraviolet light constituency is irradiated, and is positioned on curing apparatus by the bag film cut, and is selectively shone by ultraviolet light
Penetrating a bag film, the light curing agent of light irradiation area irradiates through ultraviolet light and causes the solidification of binding agent secondary, forms described solidification band 13；System
Bag process, requires to make packaging bag (refering to Fig. 1) on bag-making equipment in strict accordance with bag.
Use above-mentioned technique to make to solidify the formation with 13 to be more prone to, a bag film original structure need not be changed；And from one-tenth
Present aspect considers, only need to increase ultraviolet light constituency on the basis of existing production line and irradiate work when manufacturing the composite soft packaging in the present invention
Sequence, remaining operation is continued to use existing equipment, is reduced equipment investment, reduces cost.
The most in the present invention, in compound working procedure, described binding agent being coated on film substrate surface, after drying, light is solid
Agent retains in the glue-line on film substrate surface；Curing step then can promote that the cross-linking reaction of binding agent and binding agent are with thin
The interaction of film base material, thus improve the intensity of Film laminated；In the irradiation process of ultraviolet light constituency, there is selection by ultraviolet light
Irradiation, cause the light curing agent of irradiation area to cause the solidification of binding agent generation secondary, form described solidification band 13, solidify band 13
Relative to non-irradiated regions, its intensity, hardness all increase such that it is able to retrain the direction of packaging tearing port extension
And guiding, it is achieved easily tear direction controllable tearable bag assembling structure；Bag operation requires in system according to original bag
Bag on bag machine, it is ensured that the solidification band 13 on two bag films 11 aligns one by one.In curing step, curing temperature controls
40-50 DEG C, curing time 24-48h, in compound working procedure, the spread of binding agent is 4-5.5 gram/m, described binding agent
Use this area traditional binders, such as polyurethane solvent type binding agent.
In the present embodiment, in the irradiation process of ultraviolet light constituency, a length of 325.0-365nm of used ultraviolet light wave, photoirradiation
Power density be 100-5000W/cm2, irradiation time is 0.01-0.2s, uses this illumination condition, binding agent can be made as early as possible to send out
Raw secondary solidification, thus form the solidification band with sufficient intensity and hardness.Described ultraviolet light maybe can be occurred by ultraviolet laser
The ultra-violet lamp of ultraviolet spectra produces, and the mode of delivery of light can use vibration mirror scanning, it would however also be possible to employ linear light sorurce projects.
Providing a kind of vibration mirror scanning equipment in the present embodiment, the structure of this vibration mirror scanning equipment is as it is shown on figure 3, it includes control
Device 3 processed, ultraviolet laser 4, beam shaping 5, galvanometer 6, motor driver 7, motor 8 and transporter 9, described controller
3 electrically connect described ultraviolet laser 4 through the first signal conditioner 10, electrically connect described through secondary signal conditioner 103
Galvanometer 6, described galvanometer 6 connects described beam shaping 5 by optical fiber, and described motor 8 is used for driving described transporter 9 to transport
OK, described transporter 10 having the platform 101 being suitable to pave putting bag film, described galvanometer 6 is arranged on described transporter
The surface of 10, and it is provided with condenser lens 102 between.The operation principle of this vibration mirror scanning equipment is: controller 3 leads to
Cross the first signal conditioner 10 and control the size of ultraviolet laser 4 output, control to shake by secondary signal conditioner 103
The swing of mirror 6, controls driven by motor transporter 9 by motor driver 5 and moves, thus drives a bag film translation, and ultraviolet light swashs
The laser that light device 4 sends through optical fiber output to beam shaping 5, described beam shaping 5 by regular for laser beam be a scale
The collimated laser beam of very little specification (mating with 13 sizes with solidification), and by laser beam projects to galvanometer 6；Laser beam passes through galvanometer
The swing of 6 projects on condenser lens 102, and focuses on bag film after being converged by condenser lens 102, forms scanning track, from
And on bag film, form described solidification band 13.
(embodiment 3)
The present embodiment also provides for the manufacture method of a kind of easy tear composite soft packaging, for manufacturing easily tearing in embodiment 1
Splitting composite soft packaging, substantially the same manner as Example 2, difference is:
At compound working procedure and cut and be provided with printing process between operation, the outer surface ink print to bag film, and
It is dried process.
Obviously, above-described embodiment of invention is only for clearly demonstrating invention example, and is not to invention
The restriction of embodiment.For those of ordinary skill in the field, can also make on the basis of the above description
The change of other multi-form or variation.Here without also cannot all of embodiment be given exhaustive.And these belong to send out
What bright connotation was extended out obviously changes or changes the protection domain still falling within invention.
Claims (10)
1. an easy tear composite soft packaging, front and back two panels bag film periphery is bonded bag, and bag has peristome, and it is special
Levy and be: at described peristome, on two bag films, parallel interval is provided with the solidification band extended along peristome width respectively,
Solidification band on two bag films aligns one by one, each bag film is formed between two adjacent solidification bands and extends along peristome width
Tear guide ribs, the hardness of described solidification band and intensity are more than the hardness of described tear guide ribs and intensity；
Described bag film is at least combined by the binding agent dry type containing light curing agent by double-layer films base material and is formed, described solid
Changing band is that described binding agent generation secondary is solidified to form under ultraviolet light irradiates.
Easy tear composite soft packaging the most according to claim 1, it is characterised in that: what described solidification carried is shaped as straight line
Shape, arc line shaped or wave are linear, corresponding described tear guide ribs to be shaped as linear, arc line shaped or wave linear.
Easy tear composite soft packaging the most according to claim 1, it is characterised in that: tear with described on described bag outward flange
The position splitting guide ribs alignment offers and easily tears otch.
Easy tear composite soft packaging the most according to claim 1, it is characterised in that: light curing agent weight in described binding agent
Accounting is 3-8%.
5. a manufacture method for easy tear composite soft packaging, multiple for easily tearing according to any one of manufacturing claims 1 to 4
Close flexible package, it is characterised in that: comprise the following steps successively:
Compound working procedure, at least will make a bag film by binding agent dry type is compound by double-layer films base material, and adhesive therefor is containing light
The binding agent of firming agent；
Curing step, puts into curing chamber by bag film and carries out ripening；
Cut operation, the bag film through overcuring is cut, obtain specification and meet the bag film of bag requirement；
Ultraviolet light constituency is irradiated, and is positioned on curing apparatus by the bag film cut, and by the selectable irradiation bag of ultraviolet light
Film, the light curing agent of light irradiation area irradiates through ultraviolet light and causes the solidification of binding agent secondary, forms described solidification band；
Bag operation, requires to make described packaging bag on bag-making equipment in strict accordance with bag.
The manufacture method of easy tear composite soft packaging the most according to claim 5, it is characterised in that: in compound working procedure, institute
Stating light curing agent weight accounting in binding agent is 3-8%.
7. according to the manufacture method easily tearing composite soft packaging described in claim 5 or 6, it is characterised in that: described binding agent
Use polyurethane solvent type binding agent.
The manufacture method of easy tear composite soft packaging the most according to claim 5, it is characterised in that: solidification band formation process
In, ultraviolet light maybe can be occurred the ultra-violet lamp of ultraviolet spectra to produce by ultraviolet laser.
The manufacture method of easy tear composite soft packaging the most according to claim 5, it is characterised in that: in curing step, ripe
Change temperature and control at 40-50 DEG C, curing time 24-48h.
The manufacture method of easy tear composite soft packaging the most according to claim 5, it is characterised in that: in ultraviolet light constituency
In irradiation process, a length of 325.0-365nm of used ultraviolet light wave, the power density of photoirradiation is 100-5000W/cm2, irradiate
Time is 0.01-0.2s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610645968.9A CN106115078B (en) | 2016-08-09 | 2016-08-09 | Easily tearing composite soft packaging and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610645968.9A CN106115078B (en) | 2016-08-09 | 2016-08-09 | Easily tearing composite soft packaging and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106115078A true CN106115078A (en) | 2016-11-16 |
| CN106115078B CN106115078B (en) | 2018-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
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|---|---|---|---|---|
| EP0471220A1 (en) * | 1990-07-30 | 1992-02-19 | Ajinomoto Co., Inc. | Easily tearable film and pouch made therefrom |
| JP2000168796A (en) * | 1998-12-04 | 2000-06-20 | Toshikatsu Ouchi | Bag |
| JP2001139038A (en) * | 1999-11-11 | 2001-05-22 | Hosokawa Yoko Co Ltd | Tear guide means, bag body and manufacturing method thereof |
| CN1759046A (en) * | 2003-03-17 | 2006-04-12 | 株式会社细川洋行 | Fastener bag |
| CN1835871A (en) * | 2003-08-18 | 2006-09-20 | 雀巢技术公司 | Flexible packaging and method of manufacture |
| JP2009214916A (en) * | 2008-03-12 | 2009-09-24 | Seisan Nipponsha:Kk | Synthetic resin bag body |
| CN201761725U (en) * | 2010-05-12 | 2011-03-16 | 潘玉登 | Accurate positioning tear packaging bag |
| CN202390355U (en) * | 2011-12-09 | 2012-08-22 | 斯迪克新型材料（江苏）有限公司 | Anti-scratching wear-resistance protective film |
| CN102656098A (en) * | 2009-08-07 | 2012-09-05 | 戈利奥股份公司 | Package made of flexible material with tearing opening |
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2016
- 2016-08-09 CN CN201610645968.9A patent/CN106115078B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0471220A1 (en) * | 1990-07-30 | 1992-02-19 | Ajinomoto Co., Inc. | Easily tearable film and pouch made therefrom |
| JP2000168796A (en) * | 1998-12-04 | 2000-06-20 | Toshikatsu Ouchi | Bag |
| JP2001139038A (en) * | 1999-11-11 | 2001-05-22 | Hosokawa Yoko Co Ltd | Tear guide means, bag body and manufacturing method thereof |
| CN1759046A (en) * | 2003-03-17 | 2006-04-12 | 株式会社细川洋行 | Fastener bag |
| CN1835871A (en) * | 2003-08-18 | 2006-09-20 | 雀巢技术公司 | Flexible packaging and method of manufacture |
| JP2009214916A (en) * | 2008-03-12 | 2009-09-24 | Seisan Nipponsha:Kk | Synthetic resin bag body |
| CN102656098A (en) * | 2009-08-07 | 2012-09-05 | 戈利奥股份公司 | Package made of flexible material with tearing opening |
| CN201761725U (en) * | 2010-05-12 | 2011-03-16 | 潘玉登 | Accurate positioning tear packaging bag |
| CN202390355U (en) * | 2011-12-09 | 2012-08-22 | 斯迪克新型材料（江苏）有限公司 | Anti-scratching wear-resistance protective film |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106115078B (en) | 2018-10-09 |
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Address after: 314413 No. 88, Zhenbao Road, Dingqiao Town, Haining City, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Yuehai new packaging materials Co.,Ltd. Address before: 314413 No. 88, Zhenbao Road, Dingqiao Town, Haining City, Jiaxing City, Zhejiang Province Patentee before: HAINING YUEHAI COLOR PRINTING Co.,Ltd. |
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