WO2017024797A1

WO2017024797A1 - Envelope

Info

Publication number: WO2017024797A1
Application number: PCT/CN2016/076487
Authority: WO
Inventors: 常江
Original assignee: 常江
Priority date: 2015-08-13
Filing date: 2016-03-16
Publication date: 2017-02-16
Also published as: CN204979601U

Abstract

An envelope comprises a front board (11), a back board (12) and a sealing board (110). A tearing strip (111), an adhesive region and an anti-theft line (113) are formed on the sealing board (110). The front board (11) and back board (12) are both cardboards having a multi-layer structure, and a surface of the corrugated cardboards is coated with a plastic thin film. In the present invention, a multi-layer corrugated cardboard is used to improve the hardness and stiffness of the envelope itself, and the plastic thin film ensures that the envelope has resistance to moisture and water. In addition, a double-sided tape having a superior initial adhesion, strong holding power and high peel strength is used for sealing, and the tearing strip is employed for opening, such that the envelope has secure sealing and is easy to open, and reuse of the envelope is facilitated. Moreover, delivery security of an object contained in the envelope is guaranteed by adding an anti-theft cut portion having a closed region torn upon opening of the envelope.

Description

Envelope bag

The present application claims priority to Chinese Patent Application No. 20152061173, filed on Aug. 13, 2015, the entire disclosure of which is hereby incorporated by reference.

Technical field

The utility model relates to the technical field of packaging, in particular to an envelope bag for mail package delivery.

Background technique

After enveloping a letter or document, the envelope is delivered to the recipient by the post office or courier company, and the information exchange between the sender and the recipient is realized; this way of exchanging information by mailing letters or documents through the envelope can be greatly Save on the cost or time cost of communicating between the sender and the recipient, and envelope mailings or documents to facilitate people's lives. At present, the envelopes selected by the post office or courier company are made of paper materials, usually in the following two structures: an envelope, including the envelope body, the envelope body is provided with the front side of the envelope for writing the recipient information and pasting the stamp and the envelope The back side is formed; a flap is provided on the front side of the envelope, and the letter or document is placed on the main body of the envelope, and the flap is bonded to the back of the envelope; and the front side of the envelope has a fold for forming a closed space for placing letters or documents on the front side of the envelope and the back of the envelope. On the side, the hem is glued to the back of the envelope; after the letter or document is loaded, the hem is not attached to the back of the envelope, and the hem can be removed for secondary bonding. The letter or file inside the envelope is easily replaced and caused to be lost.

Another envelope structure includes an envelope body composed of an envelope front surface and an envelope back surface for pasting a recipient and a sender information sheet, a flap on the back of the envelope, and an envelope on the front side of the envelope The front side and the back side of the envelope form a folded edge of the enclosed space in which the letter or document is placed, and the folded edge is adhered to the front side 1 of the envelope by glue; after the letter or document is placed in the main body of the envelope, the flap is bonded to the front side 1 of the envelope, the recipient and the hair The person information sheet is then bonded to the tongue; after the letter or the document is attached, the binding position of the folded edge and the front side of the envelope is taken without any protective measures, and the folded edge can also be disassembled twice. For bonding, letters or documents inside the envelope are easily replaced and lost.

In the early stage, the inventors have improved the hardness and stiffness of the envelope bag by using multi-layer micro corrugated cardboard. By coating the waterproof layer, the envelope bag has moisture-proof and waterproof properties, and The double-sided adhesive with good adhesiveness, strong adhesiveness and high peeling strength is sealed, and the tear strip is used for splitting, which improves the sealing firmness, facilitates the splitting operation, and realizes the second envelope bag. Recycling, by adding a tear-proof, non-recoverable anti-theft knife edge, guarantees the delivery safety of the items in the envelope bag.

However, there are still some areas for improvement. For example, during the transportation express delivery, due to the poor hardness and stiffness of the paper, it is very easy to cause the contents of the envelope bag to be folded or crushed and deformed. Waterproof coatings will inevitably use organic solvents, which are not absolutely environmentally friendly. At the same time, the anti-theft performance needs further improvement.

Summary of the invention

The purpose of the utility model is to overcome the deficiencies of the prior art, and to provide a tamper-evident envelope bag capable of effectively preventing disassembly, preventing file theft, waterproofing, energy saving and environmental protection, and preventing forgery.

An envelope bag with a completely new structure, which improves the multi-layer micro corrugated cardboard used by the inventors, and selects a plurality of layers of ordinary corrugated, including A楞, B楞, C楞 and E楞, which greatly improves the envelope bag itself. The hardness and stiffness ensure the integrity of the contents of the envelope bag, reduce the risk of the articles being folded or crushed, and the resulting envelope bag has better folding and pressure deformation resistance.

The utility model relates to a plastic film for using an envelope bag, which comprises a polyvinyl chloride film, a polyethylene film, a polyester film and the like, and particularly preferably a polyester film. On the one hand, the plastic film is light, transparent, airtight, waterproof, and smooth, so that the envelope bag has better texture and waterproof performance. On the other hand, the use of plastic film can no longer use waterproof coating, so as to avoid the use of organic solvents and other volatile organic compounds in the production process, to achieve environmental protection in the production process. At the same time, it is preferable to use a degradable film, which can also improve the environmental protection problems caused by the use of the envelope bag. Moreover, compared with the use of the waterproof coating, the plastic film is easier to recycle, greatly reducing the production cost and avoiding environmental pollution.

The safety performance of the envelope bag is one of the most important properties affecting its use and promotion, although the inventor's prior patent technology uses a moisture-proof adhesive and adds a tear-proof, non-recoverable anti-theft blade to achieve theft prevention. Sexuality, this anti-theft knife blade is cut through the knife and the paper, but it can be opened and not damaged. In addition, when there is no double-sided adhesive bonding, it is easy to knock out when packing and transporting. In order to solve this problem, the utility model uses a strong force on the one hand. The double-sided tape, when peeled off, the paper can be bonded by the double-sided tape at least 70%. On the other hand, the design of the knife edge is changed again, only the incision is made on the inner paper, the paper is not cut through, and The position and area of the paper should be the same or the same as the position and area of the double-sided tape. After the film is peeled off, the cut paper is easily peeled off by the double-sided tape. Unable to recover, better anti-theft.

Therefore, the envelope bag of the new structure provided by the utility model changes all the physical indexes, the use performance and the safety performance of the traditional envelope bag as a whole, and has strong market promotion and use value.

The technical solution adopted by the utility model to solve the above technical problems is as follows:

An envelope bag comprising: a front panel 11 , a back panel 12 , a sealing panel 110 , a top side of the front panel 11 is connected to the sealing panel 110 , and a bottom side of the front panel 11 is connected to the back panel 12 The sealing plate 110 is formed with a tear strip 111 and a security thread 113. The front panel 11 and the back panel 12 are corrugated cardboard layers of a multi-layer structure, selected from the group consisting of A楞, B楞, C楞, and E楞. One or more, two, three or four kinds of the surface of the micro corrugated cardboard are coated with a plastic film selected from the group consisting of a polyvinyl chloride film, a polyethylene film, a polyester film and the like.

Further, the envelope bag according to the present invention includes: a left side plate 13 and a right side plate 14, the left side of the front panel 11 is connected to the left side plate 13, and the right side of the front panel 11 is connected. In the right side panel 14, after the front panel 11 and the back panel 12 are folded in half, the left side panel 13 and the right side panel 14 are attached to the outer surface of the back panel 12.

Further in the envelope bag according to the present invention, the security thread forms a closed area which is the same as the double-sided tape area on the sealing plate when sealingly bonded, and the depth of the security line is equal to the thickness of the paper in the sealing plate. Therefore, once it is sealed and then peeled off, the cut paper is glued down on both sides, which cannot be restored, and the anti-theft performance is better.

Further, the envelope bag according to the present invention, wherein the left side plate 13 and the right side plate 14 are provided with

anti-theft wires

131, 141, and the front panel 11 and the back panel 12 are integrally connected by a folding line, and On the front panel 11 and the back panel 12 on both sides of the crease line,

indentation lines

116, 121 which are symmetrical lines of the crease line are provided.

Further, the envelope bag according to the present invention, wherein the front panel 11 is integrally connected to the sealing plate 110 by a press line 114, the tear strip 111 is disposed across the entire length of the sealing plate 110, and A rib 112 is disposed on the tear strip 111.

Further, according to the envelope bag of the present invention, the tear strip 111 is passed along the seal The two parallel lines in the longitudinal direction of the mouth plate 110 are formed by a plurality of short-cut holes, bent and cut holes or through the circular holes. The reinforcing ribs 112 are disposed in the center of the tear strip 111 along the extending direction of the tear strip. Root or multiple wire or plastic strips are formed.

Further, according to the envelope bag of the present invention, the adhesive region is disposed on the inner surface of the sealing plate at the upper portion of the tear strip 111, and has the same shape as the closed region formed by the security thread 113 on the sealing plate. .

Further, according to the envelope bag of the present invention, the length of the sealing plate 110 is slightly smaller than the length of the front panel 11, so that the sealing plate 110 can be directly inserted into the envelope bag to form a storage structure.

Further, according to the envelope bag of the present invention, the

anti-theft wires

131 and 141 on the left side plate 13 and the right side plate 14 are formed by a plurality of short-cut holes and bends penetrating the side plates at intervals along the parallel lines. It is formed by cutting holes or round holes.

Further, the envelope bag according to the present invention, wherein the front panel 11, the back panel 12, and the sealing panel 110 have a rectangular structure, and the left side panel 13 and the right side panel 14 have a trapezoidal structure.

Further, according to the envelope bag of the present invention, all of the corners of the front panel 11, the back panel 12, the left panel 13, the right panel 14, and the sealing panel 110 have rounded corners.

At least the following technical effects can be achieved by the technical solution described in the present invention:

1), better anti-folding, anti-pressure deformation: the constituting plate of the envelope bag of the utility model greatly improves the envelope by using multi-layer micro corrugated cardboard, including A 楞, B 楞, C 楞 and E 楞The hardness and stiffness of the bag itself ensure the integrity of the items contained in the envelope bag, reducing the risk of the articles being folded or crushed, and the resulting envelope bag has better folding and pressure deformation resistance;

2), completely moisture-proof and waterproof: The envelope bag of the utility model is directly coated with a plastic film on the inner and outer surfaces of the cardboard, and the plastic film is light and transparent, has good airtightness, good waterproofness and smooth surface, so that the envelope bag has more Good texture and waterproof performance;

3) Better anti-theft security: By designing the anti-theft blade with a closed shape at each bonding point of the envelope bag, the depth of the knife edge is consistent with the thickness of the paper. Once the seal is opened, the paper will be peeled off and cannot be restored. To ensure the delivery safety of the items contained in the envelope bag;

4) Safety and environmental protection: the use of film instead of waterproof coating, avoiding the use of organic solvents and other volatile organic compounds, avoiding environmental pollution caused by the use of organic solvents, and thin The use of membranes is easier to recycle and reduce environmental pollution;

5), large accommodation space: by designing a symmetrical creasing line on the front and back panels of the envelope bag, the envelope bag can be effectively opened, and more items or items with a certain thickness can be accommodated;

6) The envelope bag of the utility model has the advantages of high compressive strength, moisture resistance, waterproof and anti-folding and the like, convenient use and recyclability, good safety performance, and broad market application prospects.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any creative work.

Figure 1 is a schematic view showing the unfolded structure of the envelope bag of the present invention;

The meanings of the various reference numerals in the figure are as follows:

11-front panel, 110-sealing plate, 111-tear bar, 112-rib, 113-anti-theft wire, 114-pressure line, 116-indentation line, 12-back panel, 121-indentation line, 13- Left side panel, 131-anti-theft line, 14-right side board, 141-anti-theft line.

detailed description

The technical solutions of the present invention are described in detail below with reference to the accompanying drawings, so that those skilled in the art can understand the present invention more clearly, but do not limit the scope of the present invention.

As shown in FIG. 1 , the envelope bag provided by the present invention comprises: a front panel 11 , a back panel 12 , and a sealing panel 110 . The top side of the front panel 11 is connected to the sealing panel 110 . The bottom side of the panel 11 is connected to the back panel 12, and the sealing panel 110 is formed with a tear strip 111 and a security thread 113. The front panel 11 and the back panel 12 are corrugated cardboard of a multi-layer structure, and are selected from the group consisting of More than one, two, three or four of A楞, B楞, C楞 and E楞, the surface of the micro corrugated cardboard is coated with a plastic film, which is selected from the group consisting of a polyvinyl chloride film, a polyethylene film, A group composed of a polyester film or the like. The security line 113 forms a closed area.

First, the structure of the envelope bag of the present invention will be specifically described. The front panel 11 has a rectangular structure, and the front panel 11 is connected to the sealing panel 110 by a fold line 114, so that the sealing panel 110 can be folded over the surface of the front panel 11 along the fold line 114. The sealing plate 110 has a rectangular structure as a whole, and the sealing plate 110 has a length slightly smaller than the length of the front panel 11. The sealing plate 110 is provided with a tear strip 111, and the tear strip 111 is preferably disposed on the sealing strip 110. The sealing plate 110 is located at a lower position in the middle direction in the width direction, and is formed by opening a plurality of short-cut holes, bending and cutting holes, or penetrating through the circular holes, which are spaced apart from each other along two parallel lines in the longitudinal direction of the sealing plate 110, and the tear strip is formed. 111 is preferably disposed across the length of the entire sealing plate 110, and in order to increase the strength of the tear strip 111, a reinforcing rib 112 is further disposed on the tear strip 111, and the reinforcing rib 112 is preferably disposed by: tearing The inner center of the brace 111 opens a non-penetrating edge along the extending direction of the tear strip, and then one or more wires or plastic strips are embedded or stuck in the knife edge, or are torn along the inner side of the tear strip 111. One or more wire ropes or plastic strips are directly pasted in the extending direction of the strip, and a wire rope or a plastic strip having super strong toughness and tensile force is used as the reinforcing rib 112, thereby effectively preventing the tear strip from being pulled during the tearing process. Broken Problem. An adhesive region is further disposed on the inner surface of the sealing plate 110. The adhesive region is preferably disposed on the inner surface of the sealing plate at the upper portion of the tear strip 111, and is formed into a strip shape along the length direction of the sealing plate. Preferably, it is disposed across the length of the entire sealing plate 110, and an irreversible double-sided tape having good initial tack, strong tack and high peel strength is used.

The sealing plate 110 is provided with a security line 113 to form a closed area which is the same as the double-sided adhesive area on the sealing plate during sealing bonding, and the depth of the security line is equal to the thickness of the paper in the sealing plate. Therefore, once it is sealed and then peeled off, the cut paper is glued down on both sides, which cannot be restored, and the anti-theft performance is better.

The length of the sealing plate 110 is slightly narrower than the length of the front panel 11, so that the sealing plate 110 is folded inside the folding line 114 and can be directly inserted into the inside of the envelope bag, and has a storage function, especially after the envelope bag is torn and opened. The sealing plate portion between the tear strip 111 and the folding line 114 can still be used twice, and the portion is folded directly into the inside of the envelope bag along the folding line 114, and the envelope bag can be used twice. The front panel 11 and the back panel 12 are connected in a folded-fold manner by a folding line, and the back panel 12 has a rectangular structure corresponding to the shape of the front panel 11, and a front panel 11 and a back panel on both sides of the crimping line 12 is provided with an indentation line 116 and an indentation line 121 which are symmetrical lines of the folding line, so that when the front panel 11 and the back panel 12 are folded in half to form an envelope bag, the envelope bag can be further opened to accommodate a certain thickness. article.

The left side plate 13 and the right side plate 14 are integrally connected to the left and right sides of the front panel by a folding line, and the left side plate 13 and the right side plate 14 preferably have the same trapezoidal structure. The left side panel 13 and the right side panel 14 are respectively provided with an anti-theft line 131 and an anti-theft line 141. The anti-theft line 131 and the anti-theft line 141 are formed by a plurality of short-cut holes and bends penetrating the left and right side plates at intervals along the parallel lines. It is formed by folding holes or round holes, so that it is easy to tear, so that if you want to take the contents of the envelope bag from the side of the envelope bag, the side plates of the envelope bag will be completely torn and cannot be recovered, so that the recipient of the letter can Obviously, the contents of the envelope bag were stolen.

Next, the manufacturing process and material of the envelope bag of the present invention are described. The front panel 11 and the back panel 12 of the envelope bag are made of multi-layer corrugated cardboard, and are selected from the group consisting of A楞, B楞, C楞 and E楞. One or more, two, three or four to improve the hardness and stiffness of the envelope bag itself, while directly coating the inner and outer surfaces of the front and back panels with a plastic film, including polychlorinated a group consisting of a vinyl film, a polyethylene film, a polyester film, etc., to improve the waterproof and moisture-proof performance of the envelope bag as a whole, and at the same time, use a moisture-proof joint between the back plate and the left side plate, the right side plate and the sealing plate The performance of the adhesive is sealed.

In addition, the existing ordinary envelope bags are designed at right angles. On the one hand, the operator may be scratched at the right angle of the envelope bag during the encapsulation. On the other hand, on the production line, the right angle of the envelope bag may be stuck to the machine or other. In order to solve this problem, all the corners of the front panel 11, the back panel 12, the left panel 13, the right panel 14, and the sealing panel 110 of the envelope bag are innovative. The rounded corner design is more suitable for mechanized production while avoiding the above problems.

Finally, the specific use process of the envelope bag of the present invention is as follows: first, the front panel 11 and the back panel 12 are folded in half along the fold line 122, and then the left side panel 13 and the right side panel 14 are pasted by an adhesive having moisture resistance. Forming an envelope bag main body on the outer surface of the back panel; then loading the letter item into the envelope bag and further supporting the back panel 12 and the

indentation lines

121 and 116 on the front panel 11 Open the envelope bag to hold thicker items. Then, the sealing plate 110 is folded inwardly along the pressing line 114 to cover the outer surface of the back panel, and after the protective film on the sealing area of the sealing plate is peeled off, the inner surface of the sealing plate 110 is pasted on the outer surface of the back panel 12 to realize Envelope of the envelope bag. When the envelope bag is split, the envelope strip can be opened conveniently and quickly by tearing off the tear strip 111, and the sealing plate portion under the tear strip can be folded in half along the press line 114 after the tear strip is torn. After being inserted directly into the envelope bag, the envelope bag can be reused under the general encapsulation requirements.

The envelope bag of the utility model improves the hardness and stiffness of the envelope bag by using multi-layer micro corrugated cardboard, and ensures the integrity of the articles contained in the envelope bag; the plastic film is directly applied on the cardboard surface of the envelope bag The plastic film is light and transparent, has good air tightness, good water resistance and smooth surface, so that the envelope bag has better texture and waterproof performance; and the non-reversible double-sided adhesive with good initial tack, strong adhesiveness and high peel strength is used. Sealing the envelope bag and disassembling the envelope bag by designing the tear strip, which improves the sealing degree of the envelope bag, facilitates the splitting operation, and realizes the secondary recycling of the envelope bag; By designing the anti-theft blade with a closed shape at each joint of the envelope bag, the depth of the knife edge is consistent with the thickness of the inner paper. Once the seal is opened, the inner paper will be peeled off and cannot be restored, ensuring the delivery of the articles in the envelope bag. safety. The novel structure of the envelope bag provided by the utility model changes all the physical indexes, the use performance and the safety performance of the traditional envelope bag as a whole, and has strong market promotion and use value.

The above is only a description of the preferred embodiments of the present invention, and the technical solutions of the present invention are not limited thereto, and any known variations made by those skilled in the art based on the main technical idea of the present invention belong to the present invention. The specific scope of protection of the utility model is based on the description of the claims.

Claims

An envelope bag comprising: a front panel (11), a back panel (12), a sealing panel (110), a top side of the front panel 11 is connected to the sealing panel (110), and a bottom of the front panel 11 The side is connected to the back panel (12), and the sealing panel (110) is formed with a tear strip (111) and a security thread (113), and the front panel (11) and the back panel (12) are both a layered corrugated cardboard selected from the group consisting of at least one of A楞, B楞, C楞 and E楞, preferably two, three or four, the surface of the micro corrugated cardboard being coated with a plastic film, selected from the group consisting of A group consisting of a polyvinyl chloride film, a polyethylene film, a polyester film, and the like.
The envelope pouch according to claim 1, wherein the envelope pouch further comprises a left side panel (13) and a right side panel (14), and a left side of the front panel (11) is coupled to the left side panel ( 13), the right side of the front panel (11) is connected to the right side panel (14), after the front panel (11) and the back panel (12) are folded in half, the left side panel (13) and a right side panel (14) attached to an outer surface of the back panel (12); the security thread (113) forming a closed area that is the same as a double-sided tape area on the sealing panel when sealingly bonded, and The depth of the anti-theft line is equal to the thickness of the paper in the sealing plate.
The envelope bag according to any one of claims 1-2, wherein the front panel (11) is integrally connected to the sealing plate (110) by a press line (114), the tear strip (111) The entire length of the sealing plate (110) is disposed, and a reinforcing rib (112) is disposed on the tear strip (111).
The envelope bag according to any one of claims 1-3, wherein the tear strip (111) is cut by a plurality of short lines and is bent by two parallel lines along the length direction of the sealing plate (110). The holes are formed or penetrated through the circular holes, and the reinforcing ribs (112) are formed by providing one or more wires or plastic strips in the center of the inner side of the tear strip (111) along the extending direction of the tear strip.
The envelope bag according to any one of claims 1 to 4, wherein the adhesive area is disposed on an inner surface of the sealing plate on the upper portion of the tear strip (111), and the anti-theft line on the sealing plate (113) The closed regions formed are identical in shape.
The envelope bag according to any one of claims 1 to 5, wherein the length of the sealing plate (110) is slightly smaller than the length of the front panel (11), so that the sealing plate (110) can directly Insert into the envelope bag to form a storage structure.