CN202054242U - Negative and positive Internal-external packaging bag - Google Patents
Negative and positive Internal-external packaging bag Download PDFInfo
- Publication number
- CN202054242U CN202054242U CN2010205868889U CN201020586888U CN202054242U CN 202054242 U CN202054242 U CN 202054242U CN 2010205868889 U CN2010205868889 U CN 2010205868889U CN 201020586888 U CN201020586888 U CN 201020586888U CN 202054242 U CN202054242 U CN 202054242U
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- rete
- film layer
- packaging bag
- hot sealing
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Abstract
The utility model discloses an internal-external packaging bag, which is formed by bonding a first non-transparent film layer to a second transparent film layer in a heat-seal manner, wherein the first film layer is orderly provided with a printing layer, a separating layer and a heat sealing layer from outside to inside; the printing layer is a polyethylene glycol terephthalate film layer; the separating layer is an aluminized film layer which takes the polyethylene glycol terephthalate as a base layer; the heat sealing layer is a polyethylene film layer or a casting polypropylene film layer; and the printing layer, the separating layer and the heat sealing layer are compounded together in an adhesive and hot pressing manner. The internal-external packaging bag is convenient for observing the conditions of articles therein.
Description
Technical field
The utility model belongs to the structure-design technique field of plastic packaging bag, is specifically related to a kind of negative and positive packaging bag of being convenient to observe.
Background technology
Traditional packaging bag, it is very neat that first rete of its sack and the edge of second rete all shear, and size is consistent, and the packaging bag of this structure manufactures more or less freely, only needs once to shear promptly plastic; But the packaging bag of this structure also has shortcoming clearly, exactly separate first rete and second rete, when attempting to open sack, because very thin, first rete of bag and second rete are attached together, edge owing to first rete and second rete is very neatly arranged again, be difficult to peel off, could separate first rete and second rete, open sack with energy so often will waste the more time.
In addition, traditional packaging bag, often first rete and second rete all are transparent or all are opaque, when two retes when being transparent entirely, printing word and the pattern difficulty that just becomes on rete; When two retes when being opaque entirely, the situation that just is not easy to observe bag interior article.
Summary of the invention
The purpose of this utility model provides a kind of negative and positive packaging bag of being convenient to observe bag interior item condition.
The technical scheme that realizes the utility model purpose is: a kind of negative and positive packaging bag is made of opaque first rete and the second transparent rete heat-seal bond; Described first rete comprises having undertake the printing of layer, barrier layer and hot sealing layer from outside to inside successively, the described layer of undertaking the printing of is polyethylene terephthalate (being also referred to as a PET) rete, described barrier layer is to be the aluminium plating membrane of basic unit with the polyethylene terephthalate, described hot sealing layer is polyethylene film layer or cast polypropylene (being also referred to as CPP) rete, and described layer, barrier layer and the hot sealing layer of undertaking the printing of is combined with each other by gluing hot pressing mode.
In the such scheme, described second rete is polyethylene terephthalate rete or polyethylene film layer.
In the such scheme, described second rete edge direction from outside to inside has enhancement layer and hot sealing layer successively, and described enhancement layer comprises at least one strata ethylene glycol terephthalate layer, and described hot sealing layer is polyethylene film layer or casting polypropylene film layer.
The utlity model has positive effect: (1) the utility model is made of opaque first rete and the second transparent rete heat-seal bond, described first rete comprises having undertake the printing of layer, barrier layer and hot sealing layer from outside to inside successively, the described layer of undertaking the printing of is the polyethylene terephthalate rete, described barrier layer is to be the aluminium plating membrane of basic unit with the polyethylene terephthalate, described hot sealing layer is polyethylene film layer or casting polypropylene film layer, and described layer, barrier layer and the hot sealing layer of undertaking the printing of is combined with each other by gluing hot pressing mode.First rete of this kind structure has barrier property and intensity preferably, and second rete is a transparent film layer, utilizes the user to watch a bag interior item condition, has good practicability.
(2) in the utility model, second rete has multiple choices as required, for example adopts single-layer type: polyethylene terephthalate rete or polyethylene film layer; Perhaps adopt multiple field: inward direction has enhancement layer and hot sealing layer successively, and described enhancement layer comprises at least one strata ethylene glycol terephthalate layer, and described hot sealing layer is polyethylene film layer or casting polypropylene film layer; The user selects according to the actual behavior needs, so have wide accommodation, advantage such as of many uses.
Description of drawings
Fig. 1 is a kind of structural representation of the present utility model.
Reference numeral is: first rete 1, hot sealing layer 11, barrier layer 12, layer 13, the second rete 2 of undertaking the printing of, hot sealing layer 21, enhancement layer 22.
The specific embodiment
(embodiment 1)
Fig. 1 is a kind of structural representation of the present utility model, has shown a kind of specific embodiment of the present utility model.
Present embodiment is a kind of negative and positive soft packaging bag, sees Fig. 1, is made of opaque first rete 1 and transparent second rete, 2 heat-seal bond; Described first rete 1 comprises having undertake the printing of layer 13, barrier layer 12 and hot sealing layer 11 from outside to inside successively, the described layer 13 of undertaking the printing of is polyethylene terephthalate retes, described barrier layer 12 is to be the aluminium plating membrane of basic unit 121 with the polyethylene terephthalate, described hot sealing layer 11 is polyethylene film layer or casting polypropylene film layer, and described layer 13, barrier layer 12 and the hot sealing layer 11 of undertaking the printing of is combined with each other by gluing hot pressing mode.
Described second rete 2 edges direction from outside to inside have enhancement layer 22 and hot sealing layer 21 successively, and described enhancement layer 22 comprises at least one strata ethylene glycol terephthalate layer, and described hot sealing layer 21 is polyethylene film layer or casting polypropylene film layer.
(embodiment 2)
Present embodiment is substantially the same manner as Example 1, and difference is: described second rete 2 is monofilms, specifically is to select polyethylene terephthalate rete or polyethylene film layer according to actual needs for use.
The foregoing description 1 and 2 has positive effect: (1) the foregoing description 1 and 2 is made of opaque first rete and the second transparent rete heat-seal bond, described first rete comprises having undertake the printing of layer, barrier layer and hot sealing layer from outside to inside successively, the described layer of undertaking the printing of is the polyethylene terephthalate rete, described barrier layer is to be the aluminium plating membrane of basic unit with the polyethylene terephthalate, described hot sealing layer is polyethylene film layer or casting polypropylene film layer, and described layer, barrier layer and the hot sealing layer of undertaking the printing of is combined with each other by gluing hot pressing mode.First rete of this kind structure has barrier property and intensity preferably, and second rete is a transparent film layer, utilizes the user to watch a bag interior item condition, has good practicability.
(2) the foregoing description 1 and 2, the second retes have multiple choices as required, for example adopt single-layer type: polyethylene terephthalate rete or polyethylene film layer; Perhaps adopt multiple field: inward direction has enhancement layer and hot sealing layer successively, and described enhancement layer comprises at least one strata ethylene glycol terephthalate layer, and described hot sealing layer is polyethylene film layer or casting polypropylene film layer; The user selects according to the actual behavior needs, so have wide accommodation, advantage such as of many uses.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that connotation of the present utility model extends out and still belong to protection domain of the present utility model.
Claims (3)
1. negative and positive packaging bag, constitute by opaque first rete (1) and transparent second rete (2) heat-seal bond, it is characterized in that: described first rete (1) comprises having the layer (13) of undertaking the printing of from outside to inside successively, barrier layer (12) and hot sealing layer (11), the described layer (13) of undertaking the printing of is the polyethylene terephthalate rete, described barrier layer (12) is to be the aluminium plating membrane of basic unit (121) with the polyethylene terephthalate, described hot sealing layer (11) is polyethylene film layer or casting polypropylene film layer, the described layer (13) of undertaking the printing of, barrier layer (12) and hot sealing layer (11) are combined with each other by gluing hot pressing mode.
2. negative and positive packaging bag according to claim 1 is characterized in that: described second rete (2) is polyethylene terephthalate rete or polyethylene film layer.
3. negative and positive packaging bag according to claim 1, it is characterized in that: described second rete (2) edge direction from outside to inside has enhancement layer (22) and hot sealing layer (21) successively, described enhancement layer (22) comprises at least one strata ethylene glycol terephthalate layer, and described hot sealing layer (21) is polyethylene film layer or casting polypropylene film layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205868889U CN202054242U (en) | 2010-11-02 | 2010-11-02 | Negative and positive Internal-external packaging bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205868889U CN202054242U (en) | 2010-11-02 | 2010-11-02 | Negative and positive Internal-external packaging bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202054242U true CN202054242U (en) | 2011-11-30 |
Family
ID=45014224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205868889U Expired - Lifetime CN202054242U (en) | 2010-11-02 | 2010-11-02 | Negative and positive Internal-external packaging bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202054242U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332377A (en) * | 2013-06-25 | 2013-10-02 | 苏州市星辰新材料有限公司 | Shielding bag |
| CN104029438A (en) * | 2014-06-04 | 2014-09-10 | 温州市嘉丽隆包装有限公司 | Food packaging film |
| CN104260985A (en) * | 2014-09-18 | 2015-01-07 | 安徽顺彤包装材料有限公司 | Food packing bag and production method thereof |
| CN107521210A (en) * | 2017-07-26 | 2017-12-29 | 广州瀛锘图新材料有限公司 | A kind of production technology of hyperosmosis composite membrane |
-
2010
- 2010-11-02 CN CN2010205868889U patent/CN202054242U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103332377A (en) * | 2013-06-25 | 2013-10-02 | 苏州市星辰新材料有限公司 | Shielding bag |
| CN104029438A (en) * | 2014-06-04 | 2014-09-10 | 温州市嘉丽隆包装有限公司 | Food packaging film |
| CN104029438B (en) * | 2014-06-04 | 2016-01-20 | 温州市嘉丽隆包装有限公司 | A kind of food package film |
| CN104260985A (en) * | 2014-09-18 | 2015-01-07 | 安徽顺彤包装材料有限公司 | Food packing bag and production method thereof |
| CN107521210A (en) * | 2017-07-26 | 2017-12-29 | 广州瀛锘图新材料有限公司 | A kind of production technology of hyperosmosis composite membrane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111130 |
|
| CX01 | Expiry of patent term |