CN214421176U - Novel exhaust and dampproofing wrapping bag - Google Patents
Novel exhaust and dampproofing wrapping bag Download PDFInfo
- Publication number
- CN214421176U CN214421176U CN202022985184.5U CN202022985184U CN214421176U CN 214421176 U CN214421176 U CN 214421176U CN 202022985184 U CN202022985184 U CN 202022985184U CN 214421176 U CN214421176 U CN 214421176U
- Authority
- CN
- China
- Prior art keywords
- moisture
- proof
- layer
- layer structure
- belt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Bag Frames (AREA)
Abstract
The utility model discloses a novel exhaust and damp-proof packaging bag, which comprises a bag body, wherein the bag body comprises a side surface structure consisting of an inner layer structure, a middle layer structure and an outer layer structure, a bottom surface structure consisting of an upper bottom surface and a lower bottom surface and a valve port structure; the inner layer structure and the outer layer structure are breathable layers; the middle layer structure is a moisture-proof layer; the bag body is formed by encircling and lapping a breathable layer and a moisture-proof layer; the breathable layers are connected in a lap joint mode, lap joints are formed at the joints of the side surfaces, and the lap joints of the inner layer structure are bonded by continuous glue to form a closed cylindrical structure; the moisture-proof layers are connected in an open staggered manner to form an exhaust belt with a certain width, and meanwhile, the moisture-proof belt is arranged at the corresponding position of the breathable layer corresponding to the exhaust belt, so that the packaging bag keeps good moisture-proof capacity while the product is breathable; the requirements on high air permeability and high moisture resistance of the packaging bag are met, and particularly the packaging of powder materials is realized.
Description
Technical Field
The utility model relates to a wrapping bag especially relates to a novel exhaust and damp-proofing wrapping bag, belongs to packing technical field.
Background
The moisture caused by the moisture absorption of the material is a main factor influencing the quality guarantee period of the material, and particularly for the material which is easy to absorb moisture, such as powder or particle materials in the chemical industry or building material industry, the exceeding of the moisture easily causes the material denaturation and can not be used.
Consequently, the finished moisture of material is controlled in certain extent on the one hand, optimizes storage environment, transportation condition in order to satisfy depositing of material longer time, and on the other hand is through the promotion to the humidity resistance of wrapping bag to reduce the influence of the external steam of material finished product in transportation, storage and use to the material, just so make all kinds of barrier film and complex film used in a large number, because of the influence of the external steam of barrier film very large range barrier and other gas (like oxygen) to the packing material.
However, for industrial production, particularly for the production industry of raw materials such as building materials and chemical engineering, the huge large-scale capacity of the barrier film requires high-efficiency production efficiency, and although the barrier film can achieve the barrier effect on substances such as external water vapor and the like after the materials are packaged, the barrier film can also cause that internal gas cannot be discharged in the filling process, thereby greatly affecting the filling efficiency.
In the existing powder filling industry of chemical industry and building materials, the main form of the existing filling is that the air-conveying valve port filling is adopted, the decision factor of improving the production efficiency is how to realize the exhaust of the packaging bag, and the quality guarantee period, the transportation mode and the storage mode of the materials are directly influenced by the improvement of the moisture resistance of the packaging bag while the exhaust of the packaging bag is realized.
Disclosure of Invention
An object of the utility model is to provide a novel exhaust and damp-proofing wrapping bag to solve the not high problem of traditional wrapping bag exhaust performance, promote the moisture resistance of wrapping bag simultaneously, guarantee the quality of material, avoid the material pollution problem because of external factors causes.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a novel air-exhausting and moisture-proof packaging bag comprises a bag body, wherein the bag body consists of a side surface structure, two bottom surface structures and a valve port structure; the valve port structure is arranged on one of the two bottom surface structures; the two bottom surface structures are arranged at the upper bottom part and the lower bottom part of the side surface structure; the bottom surface structure arranged at the upper bottom part is an upper bottom surface structure; the bottom surface structure arranged at the lower bottom part is a lower bottom surface structure; the side structure consists of an inner layer structure, a middle layer structure and an outer layer structure; the inner layer structure is arranged on the inner side of the middle layer structure and is connected with the middle layer structure in an adhesive mode; the outer layer structure is arranged on the outer side of the middle layer structure and is connected with the middle layer structure in an adhesive mode; the method is characterized in that: the inner layer structure and the outer layer structure are breathable layers; the middle layer structure is a moisture-proof layer; the breathable layer is of a closed cylindrical structure with a lap seam; the moisture-proof layer is a moisture-proof layer with an exhaust belt.
The air permeable layer is further improved, and the lap seam on the air permeable layer is formed in a lap joint mode; and the lap seam is bonded by adopting continuous glue to form a closed cylinder material.
In a further improvement, the exhaust belt on the moisture-proof layer is formed by adopting an open staggered connection mode.
The ventilation layer is provided with a damp-proof belt corresponding to the exhaust belt in the damp-proof layer; the moisture-proof belt is a moisture-proof substance belt with a moisture-proof effect and formed by compositing or fitting.
In a further improvement, the exhaust belt is an exhaust belt with a certain width; the width of exhaust area is 1 ~ 500 mm.
In a further improvement, the breathable layer is a paper layer, a woven layer or a non-woven fabric layer.
The improved moisture-proof layer is a moisture-proof layer with certain moisture-proof function, such as a plastic film layer, a composite film layer or a laminating film layer.
In a further improvement, the exhaust band or the damp-proof substance band can be single or multiple, and the number of the exhaust bands or the damp-proof substance bands corresponds to that of the damp-proof substance bands.
Further improved, the bag body is of a three-layer, four-layer or multi-layer structure.
Compared with the prior art, adopt above-mentioned scheme, the beneficial effects of the utility model are that: the bag body of the utility model is formed by adopting the air permeable layer and the moisture-proof layer to enclose and lap joint; the breathable layers are connected in a lap joint mode, lap joints are formed at the joints of the side surfaces, and continuous glue is adopted for bonding at the lap joints to form a closed cylindrical structure; the moisture-proof layers are connected in an open staggered manner to form an exhaust belt with a certain width, and meanwhile, the moisture-proof belt is arranged at the corresponding position of the breathable layer corresponding to the exhaust belt, so that the packaging bag keeps good moisture-proof capacity while the product is breathable; the requirements on high air permeability and high moisture resistance of the packaging bag are met, and particularly the packaging of powder materials is realized.
Drawings
Fig. 1 is a schematic view of the paper bag body of the present invention.
Fig. 2 is a schematic view of the partial structure of the lap seam and the moisture-proof layer exhaust band of the middle-inner layer structure of the present invention.
Fig. 3 is a schematic view of a partial structure of the moisture-proof belt of the present invention.
Wherein, 1, a bag body; 2. an upper bottom surface structure, 3, a lower bottom surface structure; 4. a side structure; 5. a valve port structure; 6. an inner layer structure; 6-1, inner laminated seam; 6-2, a moisture-proof belt; 7. a middle layer structure; 7-1, an exhaust belt; 8. an outer layer structure; 8-1, and overlapping seams on the outer layer.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
The first embodiment is as follows: the embodiment is a packaging bag with a three-layer structure, and the specific structure is described as follows:
as shown in fig. 1-3, a novel air-exhausting and moisture-proof packaging bag comprises a bag body 1, wherein the bag body 1 is composed of a side surface structure 4, two bottom surface structures and a valve port structure 5; the two bottom surface structures are arranged at the upper bottom part and the lower bottom part of the side surface structure 4; the bottom surface structure arranged at the upper bottom part is an upper bottom surface structure 2; the bottom surface structure arranged at the lower bottom part is a lower bottom surface structure 3.
The valve port structure 5 is arranged on one of the two bottom surface structures; in the present embodiment, the valve port structure 5 is disposed on the upper bottom structure 2 (as shown in fig. 1).
In fig. 1, the side structure 4 is composed of an inner layer structure 6, a middle layer structure 7 and an outer layer structure 8; the inner layer structure 6 is arranged on the inner side of the middle layer structure 7 and is connected with the middle layer structure 7 in an adhesion mode; the outer layer structure 8 is arranged on the outer side of the middle layer structure 7 and is connected with the middle layer structure 7 in an adhesion mode; specifically, the head and the bottom of the outer layer structure 6 and the middle layer structure 7 are bonded by intermittent dispensing; the head and the bottom of the middle layer structure 7 and the outer layer structure 8 are bonded by discontinuous dispensing, so that the connection between the three layers is realized.
Further, the inner layer structure 6 and the outer layer structure 8 are both breathable layers.
In fig. 1-2, the breathable layer is a closed tubular structure with a lap seam; namely, the inner layer structure 6 and the outer layer structure 8 are both closed cylindrical structures with overlapped seams; the inner layer structure 6 is the same as the outer layer structure 8 in structure, in this embodiment, taking the inner layer structure 6 as an example, the inner layer structure 6 is connected into a cylinder shape in a lap joint mode, a lap joint is formed at the edge, and continuous bonding is performed at the lap joint by glue.
In this embodiment, the inner layer structure 6 is a breathable layer; the lap seam on the breathable layer is formed in a lap joint mode and is an inner-layer lap seam 6-1; the head of the breathable layer is of a bonding structure formed by bonding with continuous glue.
In this embodiment, the outer layer structure 8 is also a breathable layer; a lap seam is also arranged on the outer layer, and the lap seam is an outer layer lap seam 8-1; the outer layer overlapped seam 8-1 is formed by overlapping, and the head part of the breathable layer is of a bonding structure formed by bonding with continuous glue.
In this embodiment, the breathable layer is a paper layer, a woven layer or a non-woven layer; preferably, in this embodiment, the air-permeable layer is a paper layer having air permeability, that is, in this embodiment, a paper layer having air permeability is used as the inner layer structure 6 and the outer layer structure 8.
Further, the middle layer structure 7 is a moisture-proof layer.
In fig. 2, the moisture barrier is a moisture barrier with venting bands 7-1; the exhaust belt 7-1 on the moisture-proof layer is an exhaust belt formed by adopting an open staggered connection mode; in this embodiment, the exhaust belt 7-1 is an exhaust belt having a certain width; the width of the exhaust belt 7-1 is 1-500 mm; preferably, in the present embodiment, the width of the exhaust belt 7-1 is 100 mm.
Further, the moisture-proof layer is a moisture-proof layer with certain moisture-proof performance; specifically, the moisture-proof layer is a plastic film layer, a composite film layer or a laminating film layer; preferably, in this embodiment, the moisture-proof film is a PE film moisture-proof layer.
In the embodiment shown in fig. 2 and 3, the moisture-proof band 6-2 corresponding to the vent band 7-1 in the moisture-proof layer is arranged on the breathable layer; the moisture-proof belt 6-2 is a moisture-proof substance belt with a moisture-proof effect formed by compounding or fitting a moisture-proof coating; preferably, in the embodiment, the moisture-proof band 6-2 adopts a moisture-proof coating as the moisture-proof band; more specifically, in the present embodiment, the moisture-proof tape 6-2 is formed by applying a partial moisture-proof coating as the moisture-proof tape.
In the process of using the packaging bag for packaging, the gas in the packaging bag enters the middle layer structure 7 through the inner layer structure 6 with permeability and enters the outer layer structure 8 through the exhaust belt 7-1; the air exhaust is realized through the outer layer structure 8 with air permeability, and after the packaging bag is packaged, the air exhaust belt 7-1 is superposed with the moisture-proof belt 6-2; the problem of need not to punch the barrier layer and can realize high-efficient exhaust effectively to solve, when satisfying the high ventilative of wrapping bag, through the middle level structure 7 and the dampproofing area 6-2 combination that have dampproofing function, satisfy the required dampproofing requirement of wrapping bag.
Example two: the embodiment is a packaging bag with a four-layer structure, and the specific structure is described as follows:
the difference between this embodiment and embodiment 1 is that the embodiment adopts a four-layer structure of three paper and one film, and the specific structure distribution is as follows: the inner breathable layer, the moisture-proof layer, the middle breathable layer and the outer breathable layer are sequentially arranged from inside to outside; the inner breathable layer, the middle breathable layer and the outer breathable layer are paper layers; the dampproof course is PE membrane dampproof course.
The other parts of this embodiment are the same as in case 1.
In this embodiment, the strength and stiffness of the packaging bag can be effectively improved by increasing the number of layers.
Example three: the embodiment is a packaging bag with a three-layer structure, and the specific structure is described as follows:
the difference between this embodiment and embodiment 1 is that the moisture-proof layer in this embodiment adopts a double-sheet staggered process to form a double exhaust belt, and the inner air-permeable layer is correspondingly provided with a double moisture-proof material belt structure, wherein the specific structure is described as follows: the inner layer breathable layer, the moisture-proof layer and the outer layer breathable layer are sequentially arranged from inside to outside; the inner breathable layer and the outer breathable layer are paper layers; the moisture-proof layer is a PE film moisture-proof layer; the other parts of this embodiment are the same as in case 1.
In this embodiment, through the increase of exhaust area and dampproof area, on satisfying the unchangeable basis of humidity resistance, improve wrapping bag gas permeability effectively.
In the utility model, the bag body is formed by the enclosing and lapping of the breathable layer and the moisture-proof layer; the breathable layers are connected in a lap joint mode, lap joints are formed at the joints of the side surfaces, and continuous glue is used for bonding to form a closed cylindrical structure; the moisture-proof layers are connected in an open staggered manner to form an exhaust belt with a certain width, and meanwhile, the moisture-proof belt is arranged at the corresponding position of the breathable layer corresponding to the exhaust belt, so that the packaging bag keeps good moisture-proof capacity while the product is breathable; the requirements on high air permeability and high moisture resistance of the packaging bag are met, and particularly the packaging of powder materials is realized.
The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative work from the above conception, which falls within the protection scope of the present invention.
Claims (10)
1. A novel air-exhausting and moisture-proof packaging bag comprises a bag body, wherein the bag body consists of a side surface structure, two bottom surface structures and a valve port structure; the valve port structure is arranged on one of the two bottom surface structures; the two bottom surface structures are arranged at the upper bottom part and the lower bottom part of the side surface structure; the side structure consists of an inner layer structure, a middle layer structure and an outer layer structure; the inner layer structure is arranged on the inner side of the middle layer structure and is connected with the middle layer structure in an adhesive mode; the outer layer structure is arranged on the outer side of the middle layer structure and is connected with the middle layer structure in an adhesive mode; the method is characterized in that: the inner layer structure and the outer layer structure are breathable layers; the middle layer structure is a moisture-proof layer; the breathable layer is of a closed cylindrical structure with a lap seam; the moisture-proof layer is a moisture-proof layer with an exhaust belt.
2. The novel venting and moisture-proof package of claim 1, wherein: the lap seam on the breathable layer is formed by adopting a lap joint mode and adopting continuous glue for bonding.
3. A novel venting and moisture-proof package as claimed in claim 1 or 2, wherein: the breathable layer is provided with a moisture-proof belt corresponding to the exhaust belt in the moisture-proof layer; the moisture-proof belt is a moisture-proof substance belt with a moisture-proof effect and formed by compositing or fitting.
4. A novel venting and moisture-proof package as defined in claim 3, wherein: the moisture-proof substance belt is single or multiple and the number of the moisture-proof substance belt corresponds to that of the exhaust belts.
5. A novel venting and moisture-proof package as claimed in claim 1 or 2, wherein: the breathable layer is a paper layer, a woven layer or a non-woven fabric layer.
6. The novel venting and moisture-proof package of claim 1, wherein: the exhaust belt on the moisture-proof layer is formed by adopting an open staggered connection mode.
7. A novel venting and moisture-proof package as claimed in claim 1 or 6, wherein: the exhaust belt is an exhaust belt with a certain width; the width of exhaust area is 1 ~ 500 mm.
8. A novel venting and moisture-proof package as claimed in claim 1 or 6, wherein: the exhaust area is single or multiple.
9. A novel venting and moisture-proof package as claimed in claim 1 or 6, wherein: the moisture-proof layer is a plastic film layer, a composite film layer or a laminating film layer.
10. The novel venting and moisture-proof package of claim 1, wherein: the bag body is of a three-layer, four-layer or multi-layer structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022985184.5U CN214421176U (en) | 2020-12-14 | 2020-12-14 | Novel exhaust and dampproofing wrapping bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022985184.5U CN214421176U (en) | 2020-12-14 | 2020-12-14 | Novel exhaust and dampproofing wrapping bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214421176U true CN214421176U (en) | 2021-10-19 |
Family
ID=78051078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022985184.5U Active CN214421176U (en) | 2020-12-14 | 2020-12-14 | Novel exhaust and dampproofing wrapping bag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214421176U (en) |
-
2020
- 2020-12-14 CN CN202022985184.5U patent/CN214421176U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205416629U (en) | Multilayer is crowded heavily wrapping bag of separation type altogether | |
| CN102372109A (en) | Environmentally-friendly paper valve-port packaging bag | |
| CN214421176U (en) | Novel exhaust and dampproofing wrapping bag | |
| CN201086926Y (en) | Lattice glue distribution type wrapping paper | |
| CN206537663U (en) | It is a kind of to be vented and moistureproof plastics package valve bag | |
| CN201553371U (en) | Compound plastic woven bag | |
| CN210026536U (en) | Aluminum-plastic inner film and food packaging bag using same | |
| CN208101267U (en) | A kind of packing board structure of fresh-keeping damp-proof | |
| CN201745910U (en) | Double-layered pre-folded formed roll film | |
| CN216103741U (en) | Food-grade powder packaging paper | |
| CN209739697U (en) | high-breathability double-inner-valve bag | |
| CN205837496U (en) | A kind of sealing bag of band internal valve | |
| CN201777487U (en) | Valve port paper bag with double plastic membranes | |
| CN2529830Y (en) | Net type desiccating agent packing paper | |
| CN209796311U (en) | Multilayer composite bubble packaging bag | |
| CN206231802U (en) | Compound braided bag | |
| CN214268579U (en) | Novel valve port bag | |
| CN107010311A (en) | A kind of plastics high-barrier compound braided bag and preparation method | |
| CN201824592U (en) | Five-layer desiccant packing paper | |
| CN214421177U (en) | Environment-friendly and damp-proof packaging bag | |
| CN206050420U (en) | Highly-breathable paper wrapping bag | |
| CN210734920U (en) | Exhaust device of single-layer valve bag | |
| CN205872878U (en) | Cell -phone first -aid bag | |
| CN213139706U (en) | Composite bag for powder material | |
| CN112208922A (en) | Novel exhaust wrapping bag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |