CN212173060U - Corrugated paper express packaging bag - Google Patents

Abstract

The utility model provides a corrugated paper express delivery wrapping bag, the wrapping bag includes the upper bag body, lower bag body and sack, the arbitrary three outward flange hot pressing of upper bag body and lower bag body forms the banding together, the one end of not involution is the sack, the upper bag body includes kraft layer and the last flute layer of bonding on last kraft layer, the lower bag body includes kraft layer and the lower flute layer of bonding on kraft layer and bag body tongue down, go up flute layer and lower flute layer and set up in opposite directions, go up kraft layer and kraft layer down and all set up in the external side of bag, go up the flute layer and all set up in the external side of bag down, it is lastThe height of each flute of the flute layer and the lower flute layer is 1.2-10mm, the width of each flute is 1.5-7mm, the tongue of the bag body is coated with a non-drying adhesive layer, and the surface of the non-drying adhesive layer is attached with a release paper layer. The utility model discloses a trilateral hot pressing of upper bag body and lower bag body forms, and the bag body adopts kraft layer and corrugated paper layer bonding to form, and kraft layer and corrugated paper layer all adopt degradable paper to make, and corrugated layer buffering bearing pressure is more than or equal to 2.5Kg/25cm²。

Description

Corrugated paper express packaging bag

Technical Field

The utility model relates to a corrugated paper express packaging bag belongs to express packaging technical field.

Background

At present, a lot of less, afraid of the collision, yielding commodity all adopt plastics bubble membrane bag packing on the express delivery commodity circulation market to reduce the collision to the goods in transportation, the handling, avoid causing the commodity to damage. However, due to the high-speed development of the express logistics industry, a large amount of bubble film packages are discarded, the bubble films occupy a large amount of space due to small gram weight and large volume, the recycling cost is high, and great pressure is caused to the environment. The cost of the air bubble film of the fully degradable material is 3-4 times that of a common plastic film, and the high cost is difficult to popularize because the air bubble film cannot be borne by the express logistics industry. Therefore, it is urgently needed to develop a packaging bag which is environment-friendly, can play a role in buffering and can prevent goods from being damaged due to collision.

SUMMERY OF THE UTILITY MODEL

The utility model provides an overcome prior art drawback, provide a corrugated paper express packaging bag, the bag body adopts kraft layer and corrugated paper layer bonding to form, kraft layer and corrugated paper layer all adopt the degradable paper to make, corrugated layer buffering bearing pressure is more than or equal to 2.5Kg/25cm²。

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a corrugated paper express delivery wrapping bag, the wrapping bag includes the upper bag body, the lower bag body and sack, the upper bag body forms the banding together with arbitrary three outward flange hot pressing of the lower bag body, and non-involution one end is the sack, the upper bag body includes kraft layer and bonds and is in last flute layer on the kraft layer, the lower bag body is in including kraft layer and bonding down flute layer and bag body tongue on the kraft layer down, it sets up with lower flute layer in opposite directions to go up the flute layer, it all sets up in the external side of bag to go up kraft layer and kraft layer down, it is 1.2-10mm to go up the height of every flute of flute layer and lower flute layer, and the width of every flute is 1.5-7mm, the coating has non-setting adhesive layer on the bag body tongue, and the laminating of non-setting adhesive layer surface is from type paper layer.

Above-mentioned corrugated paper express packaging bag, upper corrugated layer and lower corrugated layer are suppressed by the kraft paper that the grammage is no less than 55 grams per square meter and are formed, and the flute shape is U-shaped, V-arrangement or sinusoidal.

Above-mentioned corrugated paper express delivery wrapping bag, the width of self-adhesive layer is 5-20mm, and its coating is in bag body tongue top 10mm department down.

Above-mentioned corrugated paper express packaging bag, the gram weight of going up cortex and lower cortex is more than or equal to 50 grams per square meter.

Above-mentioned corrugated paper express packaging bag, the non-setting adhesive layer is acrylic acid non-setting adhesive layer or hot melt pressure sensitive adhesive layer.

The utility model has the advantages that:

the utility model discloses the three edge hot pressing of upper bag body and lower bag body forms express delivery wrapping bag together, the upper bag body all includes the flute layer of outer kraft layer and inlayer with lower bag body, the flute layer is formed by the kraft paper suppression that the grammage is more than or equal to 55 grams per square meter, the shape of flute is U-shaped, V-arrangement or sinusoidal curve, and the height of flute is 1.2-10mm, the width of every flute is 1.5-7mm for the bearing pressure on flute layer is more than or equal to 2.5Kg/25cm²Effectively prevent the goods by colliding with the damage that causes in the transportation, and the wrapping bag environmental protection degradable, relevant pattern and typeface are conveniently printed to the kraft paper layer surface, need not additionally to paste and attach the information list.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall structure of the packaging bag of the present invention;

fig. 2 is a schematic view of the cross-sectional structure a-a in fig. 1.

In the figure: 1. an upper bag body; 1-1, coating a kraft layer; 1-2, arranging a corrugated layer; 2. a lower bag body; 2-1, putting a kraft layer; 2-2, lower corrugated layer; 2-3, bag body tongue; 2-4, a non-drying adhesive layer; 2-5, release paper layer; 3. a bag opening; 4. and (7) sealing edges.

Detailed Description

The present invention will be further described with reference to the following examples.

Referring to fig. 1 and 2, the corrugated paper express packaging bag of the present invention comprises an upper bag body 1 and a lower bag body 2, wherein any three outer edges of the upper bag body and the lower bag body are pressed together by a heat sealing method to form a sealing edge 4, the unsealed end is a bag opening 3, the upper bag body 1 comprises an upper kraft layer 1-1 and an upper corrugated layer 1-2 adhered on the upper kraft layer, the lower bag body 2 comprises a lower kraft layer 2-1, a lower corrugated layer 2-2 adhered on the lower kraft layer and a bag body tongue 2-3, the upper corrugated layer and the lower corrugated layer are oppositely arranged, the upper kraft layer and the lower kraft layer are both arranged outside the bag body, the sealing edge 4 is adhered with or not provided with the upper corrugated layer and the lower corrugated layer, the upper corrugated layer and the lower corrugated layer are both formed by pressing kraft paper with a grammage of not less than 55 g/sq m, the shape of the corrugation is irregular curves such as U-shaped, V-shaped or sinusoidal curve, the height of each corrugation is 1.2-10mm, the width of each corrugation is 1.5-7mm, and the impact pressure borne by the corrugation layer is more than or equal to 2.5Kg/25cm²The bag body tongue 2-3 and the lower kraft paper layer 2-1 are integrally arranged, a lower corrugated layer is arranged or not arranged on the bag body tongue in an adhesive mode, a non-drying adhesive layer 2-4 with the width of 5-20mm is coated on the position, 10mm downwards, of the top end of the bag body tongue 2-3, the surface of the non-drying adhesive layer is attached to the release paper layer 2-5 to play a role in isolation, and when the bag is used, the release paper layer is taken off, the bag body tongue is folded, and the non-drying adhesive layer is adhered to the upper bag body. The non-drying adhesive layers 2-4 are acrylic non-drying adhesive layers or hot-melt pressure-sensitive adhesive layers.

The gram weights of the upper cow leather layer 1-1 and the lower cow leather layer 2-1 are both more than or equal to 50 grams per square meter, the cow leather layers can be in any color, and the outer surfaces of the cow leather layers can be directly printed with related patterns or characters according to needs, so that the recognition is convenient, and an additional information sheet does not need to be attached.

Claims (5)

1. The utility model provides a corrugated paper express delivery wrapping bag which characterized in that: the packaging bag comprises an upper bag body (1), a lower bag body (2) and a bag opening (3), wherein any three outer edges of the upper bag body and the lower bag body are pressed together to form a sealed edge (4) in a hot-pressing mode, one end which is not sealed is the bag opening, the upper bag body (1) comprises an upper kraft layer (1-1) and an upper corrugated layer (1-2) bonded on the upper kraft layer, the lower bag body (2) comprises a lower kraft layer (2-1) and a lower corrugated layer (2-2) bonded on the lower kraft layer and a bag body tongue (2-3), the upper corrugated layer and the lower corrugated layer are oppositely arranged, the upper kraft layer and the lower kraft layer are both arranged outside the bag body, the height of each flute of the upper corrugated layer and the lower corrugated layer is 1.2-10mm, the width of each flute is 1.5-7mm, the bag body tongue (2-3) is coated with a non-drying adhesive layer (2-4), and the surface of the non-drying adhesive layer is attached with a release paper layer (2-5).

2. The corrugated paper express delivery packaging bag of claim 1, wherein: the upper corrugated layer (1-2) and the lower corrugated layer (2-2) are both pressed by kraft paper with the gram weight of more than or equal to 55 grams per square meter, and the corrugated shape is U-shaped, V-shaped or sinusoidal.

3. The corrugated paper express delivery packaging bag of claim 2, wherein: the width of the non-drying adhesive layer (2-4) is 5-20mm, and the non-drying adhesive layer is coated at the position 10mm below the top end of the tongue (2-3) of the bag body.

4. The corrugated paper express delivery packaging bag of claim 3, wherein: the gram weight of the upper kraft layer (1-1) and the gram weight of the lower kraft layer (2-1) are both more than or equal to 50 g/square meter.

5. The corrugated paper express delivery packaging bag of claim 4, wherein: the non-drying adhesive layer (2-4) is an acrylic non-drying adhesive layer or a hot-melt pressure-sensitive adhesive layer.

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