Envelope paper bag with honeycomb lining

Abstract

An envelope paper bag with honeycomb lining, which comprises a paper bag body with an opening at the upper end and a honeycomb lining arranged in the paper bag body; the paper bag body is formed by overlapping outer layer paper and inner layer paper, the peripheral edges of the outer layer paper and the inner layer paper are bonded, a closed cavity is formed between the bonded outer layer paper and the inner layer paper, and the honeycomb lining is paved in the closed cavity to provide cushioning and supporting for the package; the lower end of the paper bag body is provided with an insert bottom which can be accommodated in the paper bag body after being upward-folded in an unfoldable manner; the envelope paper has a compact structure and improved integrity and firmness, and can provide all-round and uniform cushioning and support in use; the insert bottom of the envelope paper bag can make the envelope paper bag stay upright to facilitate putting stereoscopic articles into the envelope paper bag, and volume in the envelope paper bag can be increased after the insert bottom is unfolded, which improve effectiveness and practicality of the envelope paper bag.

Description

Envelope paper bag with honeycomb liningField of the invention

[0001] The present utility model relates to the technical field of envelope bags, particularly an envelope paper bag with honeycomb or mesh lining.BACKGROUND

[0002] Envelope paper bags are mainly used for mailing letters or small articles and traditional letter contents, and it is a bagged device for exchanging documents, and is generally made into a rectangular paper bag.

[0003] Chinese patent with publication number of CN208119739U discloses a kraft honeycomb envelope, which comprises an envelope body, wherein the envelope body is formed by bending and bonding paper boards. The paper boards are composite materials which has at least two layers, and a kraft paper layer and a honeycomb paper board layer are arranged from outside to inside in turn. The beneficial effect of above-mentioned kraft honeycomb envelope attributes to the honeycomb paper board layer in the paper board. The honeycomb paper board layer shows improved damping effect, making the package firm due to the kraft layer, and achieves a waterproof effect due to the waterproof layer. Furthermore, both sides of the kraft honeycomb envelope are provided with edge banding, and the edge banding can guarantee firm bonding between paper boards. Meanwhile, the kraft honeycomb envelope is also provided with an easy tear line, which facilitate the user to open the envelope.

[0004] However, the kraft honeycomb envelope paper bag disclosed in the above patent cannot stay upright, which is inconvenient to place stuff in it, and only has a small internal volume.Summary of the Invention

[0005] In view of the above-described drawbacks of the prior art, the purpose is to provide an envelope paper bag with honeycomb lining, which is used to solve the problems of the kraft honeycomb envelope paper bag in the prior art, such as being unable to stay upright, being inconvenient to place objects within, and having a low internal storage volume.

[0006] To achieve the above and other related purposes, the present utility model provides an envelope paper bag with honeycomb or mesh lining, which comprises a paper bag body with an opening at the upper end and the honeycomb or mesh lining arranged in the paper bag body.

[0007] The paper bag body is formed by overlapping outer layer paper and inner layer paper, the peripheral edges of the outer layer paper and the inner layer paper are bonded, a closed cavity is formed between the bonded outer layer paper and the inner layer paper, and the honeycomb lining is paved or placed in the closed cavity to provide cushioning and supporting for the package.

[0008] The lower end of the paper bag body is provided with an insert bottom which can be accommodated in the paper bag body after being upward-folded so as to be located within the bag. By expanding the bottom of the envelope paper bag with honeycomb or mesh lining, the envelope paper bag can stay upright to increase its volume and improve useability.

[0009] In an embodiment, one side of the upper end of the paper bag body is integrally formed with a flap cover, and the flap cover is provided with an adhesive layer for adhering the other side of the upper end of the paper bag body to close the upper end opening of the paper bag body. In an embodiment, a base or bottom of the envelope is substantially rectangular.

[0010] In an embodiment, a surface of the adhesive layer is matched with separable release paper for protecting the adhesive layer.

[0011] In an embodiment, the outer layer paper, the inner layer paper and the honeycomb or mesh lining are all made out of whole piece of kraft paper.

[0012] In an embodiment, the honeycomb or mesh lining is in a three-dimensional grid structure, and the three-dimensional grid structure is formed by uniformly die-cutting and spreading the whole piece of kraft paper and then spraying glue.

[0013] In an embodiment, the honeycomb holes on the honeycomb or mesh lining are hexagonal. In an embodiment, the holes on the honeycomb or mesh lining may be multisided polygonal shapes. More particularly, the holes may be polygonal shapes having five or more sides.

[0014] In an embodiment , peripheral edge of the honeycomb lining is adhered between the peripheral edges of the outer layer paper and the inner layer paper.

[0015] As described above, the envelope paper bag with honeycomb or mesh lining has the following beneficial effects:

[0016] 1. Through arranging the honeycomb or mesh lining between the outer layer paper and the inner layer paper of paper bag body and bonding the peripheral edges of the outer layer paper, the honeycomb or mesh lining and the inner layer paper, the grid structure (e.g., hexagonal honeycomb three-dimensional grid structure) of the honeycomb or meshlining can improve cushioning and supporting force while reducing weight. The envelope paper bag can provide all-round and uniform cushioning and supporting in use, and improve the effectiveness of the envelope paper bag.

[0017] 2. By providing the insert bottom, while in use, the unfolded insert bottom of the envelope paper bag can make the envelope paper bag stay upright to facilitate putting stereoscopic articles into the envelope paper bag, and volume in the envelope paper bag can be increased after the insert bottom is unfolded, which further improve effectiveness of the envelope paper bag. While not in use, the insert bottom can be folded and accommodated in the paper bag body, so as to reduce space occupation.

[0018] 3. The outer layer paper, the inner layer paper and the honeycomb lining of the envelope paper bag are all made out of whole piece of kraft paper, which reduce splicing and improve the integrity and firmness of the envelope paper bag.

[0019] 4. The envelope paper bag with honeycomb lining disclosed herein has reasonable design, compact structure and improved integrity and firmness, and can provide all-round and uniform cushioning and supporting in use. The insert bottom of the envelope paper bag can make the envelope paper bag stay upright to facilitate putting multiple articles into the envelope paper bag, and a volume in the envelope paper bag can be increased after the insert bottom is unfolded, which improves effectiveness and practicality of the envelope paper bag. The envelope having a square or rectangular base further improves the stability of the envelope when in an upright position. This increases total internal volume, improves packing efficiency, improves the integrity of the seals thereby making the base less likely to split and deform when loaded with products, and requires less glue due to reduced seam seal length.Brief description of the drawings

[0020] Fig.1 is a schematic diagram showing the front view of the envelope paper bag with honeycomb liner according to the present utility model.

[0021] Fig.2 is a schematic diagram showing the cross-sectional view of the envelope paper bag with honeycomb liner according to the present utility model.

[0022] Fig.3 is an enlarged schematic view of the local structure in Fig.2.

[0023] Fig.4 is a schematic view of implementation of the envelope paper bag with honeycomb lining disclosed in the embodiment.

[0024] Fig.5 is a schematic view of implementation of the envelope paper bag with honeycomb lining disclosed in the embodiment after the insert bottom is unfolded.

[0025] Fig.6 is a perspective view of an envelope paper bag with honeycomb lining in an alternative embodiment having a rectangular base.

[0026] Fig.7 is a side view of the envelope paper bag shown in Fig.6.

[0027] Fig.8 is an underside view of the envelope paper bag shown in Fig.7.

[0028] Description of reference numerals

[0029] paper bag body 1 ; outer layer paper 11 ; inner layer paper 12; honeycomb lining 2; adhesive layer 3; release paper 4; closed cavity a; insert bottom x; flap cover y.Detailed description of preferred embodiment

[0030] The following description of the embodiments is provided for illustrative purposes, and other advantages and effects will become apparent to those skilled in the art from the present disclosure.

[0031] It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions that the present disclosure can be implemented, so that the present disclosure is not technically significant, and any structural modifications, ratio changes or size adjustments should still fall within the scope of the present disclosure without affecting the efficacy and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present disclosure, and changes or modifications of the relative relationship, without substantial changes on technical content, is considered to be a scope in which the present disclosure can be implemented.

[0032] With reference to Fig.1 to Fig.5, the present disclosure provides an envelope paper bag with honeycomb lining, which comprises a paper bag body 1 with an opening at the upper end and the honeycomb lining 2 arranged in the paper bag body 1.

[0033] Turning to to Fig.2, the paper bag body 1 is formed by overlapping outer layer paper 11 and inner layer paper 12, the peripheral edges of the outer layer paper 11 and the inner layer paper 12 are bonded, a closed cavity a is formed between the bonded outer layer paper 11 and inner layer paper 12, and the honeycomb lining 2 is paved or located in the closed cavity a to provide cushioning and supporting for the package. A peripheral edge of the honeycomb lining 2 is adhered between the peripheral edges of the outer layer paper 11 and the inner layer paper 12. The outer layer paper 11 , the inner layer paper 12 and the honeycomb lining 2 are all made out of a whole piece of kraft paper, which reducessplicing and improves the integrity and firmness of the envelope paper bag. Through arranging the honeycomb lining 2 between the outer layer paper 11 and the inner layer paper 12 of paper bag body 1 and bonding the peripheral edges of the outer layer paper 11 , the honeycomb lining 2 and the inner layer paper 12, the envelope paper bag can provide all-round and uniform cushioning and supporting in use, and improve the effectiveness of envelope paper bag.

[0034] the honeycomb lining 2 is in a three-dimensional grid structure, and the three- dimensional grid structure is formed by uniformly die-cutting and spreading the whole piece of kraft paper and then spraying glue. Specifically, the whole piece of kraft paper is cut to a proper size, uniform cutting openings are formed in the kraft paper through diecutting, then external force is applied to the cutting openings, so that the cutting openings can be stretched and wrinkled into a three-dimensional grid structure, and finally glue spraying and shaping are carried out. The honeycomb holes on the honeycomb lining 2 are hexagonal. However, in some embodiments, the holes on the honeycomb or mesh lining may be multi-sided polygonal shapes. More particularly, the holes may be polygonal shapes having five or more sides. The honeycomb lining 2 formed by the hexagonal honeycomb holes has high structural strength, large volume and light weight, which improve cushioning and supporting force of the envelope paper bags while reducing weight. In addition, the honeycomb lining provides thermal insulation for products and items stored within to keep said products and items at a stable temperature. In particular, the configuration of the honeycomb lining traps pockets of air which assists in reducing temperature changes which may impact the products and items within (i.e. , if the items are hot or cold).

[0035] The lower end of the paper bag body 1 is provided with the insert bottom x. While in use, the unfolded insert bottom x of the envelope paper bag can make the envelope paper bag stay upright to facilitate putting multiple articles into the envelope paper bag, and the volume in the envelope paper bag can be increased after the insert bottom x is unfolded, which further improve effectiveness of the envelope paper bag. The insert bottom x can be accommodated in the paper bag body after being upward-folded so as to be located within the bag. While not in use, the insert bottom can be folded and accommodated in the paper bag body, so as to reduce space occupation.

[0036] Please refer to Fig. 3, one side of the upper end of the paper bag body is integrally formed with a flap cover y, and the flap cover y is provided with an adhesive layer 3 for adhering the other side of the upper end of the paper bag body 1 to close the upper endopening of the paper bag body 1; surface of the adhesive layer 3 is matched with separable release paper 4 for protecting the adhesive layer 3, the release paper 4 is torn off while in use, the flap cover y is bended so that the adhesive layer 3 is adhered to the other side of the upper end of the paper bag body 1. The opening of the envelope paper bag can be close easily and the envelope paper bag is convenient to use.

[0037] In summary, the envelope paper bag with honeycomb lining disclosed in the present utility model has reasonable design, compact structure and good integrity and firmness, and can provide all-round and uniform cushioning and supporting in use. The insert bottom x of the envelope paper bag can make the envelope paper bag stay upright to facilitate putting multiple articles into the envelope paper bag, and the volume in the envelope paper bag can be increased after the insert bottom is unfolded, which improves effectiveness and practicality of the envelope paper bag. Therefore, the embodiments of the invention provided in the present disclosure effectively overcomes various drawbacks in the prior art and has considerable industrial utilization value.

[0038] A further embodiment of the envelope paper bag shown in Fig. 6 to 8 includes a rectangular base 13 at the lower end. The envelope paper bag is as described in the earlier embodiments herein unless otherwise noted. The rectangular base 13 includes two projecting portions 13a, 13b that are connected by the insert bottom x having a bottom surface 14 of the envelope paper bag body 1. The projecting portions 13a, 13b are bisected about a midpoint M. The projecting portions 13a, 13b extend from the lower end of the envelope paper bag body 1. The envelope having a square or rectangular base further improves the stability of the envelope when in an upright position. The bottom surface 14 and insert bottom x of the base of the envelope paper bag body 1 can be configured so as to provide a substantially flat surface for standing the envelope paper bag upright for filling or the bottom surface 14 and insert bottom x can also be pushed out from the inside. This increases total internal volume, improves packing efficiency, improves the integrity of the seals thereby making the base less likely to split and deform when loaded with products, and requires less glue due to reduced seam seal length. In use, the projecting portions of the rectangular base can be extended outwardly from the envelope paper bag body so as to be substantially perpendicular thereto to provide a support for the envelope paper bag body so that it may remain upright. Alternatively, the projecting portions can be folded inwardly about a midpoint M along the bottom surface 14 to bring the two projecting portions 13a, 13b together so as to be adjacent. This allows for the envelope paper bag to be stored flat and stacked.

[0039] The foregoing embodiments are merely illustrative of the principles and utilities and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope . Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit be covered by the claims .

[0040] In this specification, the terms ‘comprises’, ‘comprising’, ‘includes’, ‘including’, or similar terms are intended to mean a non-exclusive inclusion, such that a method, system or apparatus that comprises a list of elements does not include those elements solely, but may well include other elements not listed.

[0041] Throughout the specification and claims (if present), unless the context requires otherwise, the term “substantially” or “about” will be understood to not be limited to the specific value or range qualified by the terms.

Claims

Claims1. An envelope paper bag with honeycomb lining, which comprises a paper bag body with an opening at the upper end and a honeycomb lining arranged in the paper bag body; wherein the paper bag body is formed by overlapping outer layer paper and inner layer paper, the peripheral edges of the outer layer paper and the inner layer paper are bonded, a closed cavity is formed between the bonded outer layer paper and the inner layer paper, and the honeycomb lining is paved in the closed cavity to provide cushioning and supporting for the package; the lower end of the paper bag body is provided with an insert bottom which can be accommodated in the paper bag body after being upward-folded so as to be located within the bag.

2. The envelope paper bag with honeycomb lining according to claim 1, wherein one side of the upper end of the paper bag body is integrally formed with a flap cover, and the flap cover is provided with an adhesive layer for adhering the other side of the upper end of the paper bag body to close the upper end opening of the paper bag body.

3. The envelope paper bag with honeycomb lining according to claim 2, wherein the surface of the adhesive layer is matched with separable release paper for protecting the adhesive layer.

4. The envelope paper bag with honeycomb lining according to any one of claims 1 to 3, wherein the outer layer paper, the inner layer paper and the honeycomb lining are all made out of whole piece of kraft paper.

5. The envelope paper bag with honeycomb lining according to claim 4, wherein the honeycomb lining is in a three-dimensional grid structure, and the three-dimensional grid structure is formed by uniformly die-cutting and spreading the whole piece of kraft paper and then spraying glue.

6. The envelope paper bag with honeycomb lining according to claim 5, wherein the honeycomb holes on the honeycomb lining are hexagonal.

7. The envelope paper bag with honeycomb lining according to any one of claims 1 to 6, wherein peripheral edge of the honeycomb lining is adhered between the peripheral edges of the outer layer paper and the inner layer paper.

8. An envelope paper bag with honeycomb lining, which comprises a paper bag body with an opening at the upper end and a honeycomb lining arranged in the paper bag body;wherein the paper bag body is formed by overlapping outer layer paper and inner layer paper, the peripheral edges of the outer layer paper and the inner layer paper are bonded, a closed cavity is formed between the bonded outer layer paper and the inner layer paper, and the honeycomb lining is paved in the closed cavity to provide cushioning and supporting for the package; the lower end of the paper bag body is provided with a rectangular base and an insert bottom which can be accommodated in the paper bag body after being upward-folded so as to be located within the bag.

9. The envelope paper bag with honeycomb lining according to claim 8, wherein one side of the upper end of the paper bag body is integrally formed with a flap cover, and the flap cover is provided with an adhesive layer for adhering the other side of the upper end of the paper bag body to close the upper end opening of the paper bag body.

10. The envelope paper bag with honeycomb lining according to claim 9, wherein the surface of the adhesive layer is matched with separable release paper for protecting the adhesive layer.

11. The envelope paper bag with honeycomb lining according to any one of claims 8 to 10, wherein the outer layer paper, the inner layer paper and the honeycomb lining are all made out of whole piece of kraft paper.

12. The envelope paper bag with honeycomb lining according to claim 11 , wherein the honeycomb lining is in a three-dimensional grid structure, and the three-dimensional grid structure is formed by uniformly die-cutting and spreading the whole piece of kraft paper and then spraying glue.

13. The envelope paper bag with honeycomb lining according to claim 12, wherein the honeycomb holes on the honeycomb lining are hexagonal.

14. The envelope paper bag with honeycomb lining according to any one of claims 8 to 13, wherein peripheral edge of the honeycomb lining is adhered between the peripheral edges of the outer layer paper and the inner layer paper.

15. The envelope paper bag with honeycomb lining according to any one of claims 8 to 14, wherein, in an in-use configuration, projecting portions of the rectangular base can be extended outwardly from the envelope paper bag body so as to be substantially perpendicular thereto to provide a support for the envelope paper bag body so that it may remain upright; and the projecting portions can be folded inwardly about a midpoint along a bottom surface to bring the projecting portions together so as to be adjacent to allow for the envelope paper bag to be stored flat and stacked.

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