A book wrapping film

Abstract

The application discloses a book wrapping film, which comprises a surface layer film, an adhesive layer and a base paper arranged in a superposed manner, the adhesive layer is arranged between the surface layer film and the base paper, the base paper comprises a cover part, a spine part and an end cover part arranged in sequence, the spine part is provided with an intermittent tear line, the intermittent tear line is used for step-by-step unfolding of the cover part and the end cover part, the base paper can be folded and stored through the intermittent tear line, the cover part and the spine part have a joint part through the intermittent tear line, the end cover part and the spine part have a joint part through the intermittent tear line, the intermittent tear line is additionally arranged on the base paper, so that the folding and storing function can be realized, the curling and partial falling caused by the folding and storing can be avoided, and the product durability and user experience are enhanced.

Description

Technical Field

[0001] This application relates to the field of school supplies technology, and more specifically to a book cover film. Background Technology

[0002] Book covers are protective products used to protect book covers and extend the lifespan of books, especially widely used in primary and secondary schools. Their main function is to prevent book covers from being damaged by friction, collisions, and stains during daily use, thus extending the book's lifespan and maintaining its clean appearance. Traditional book covering methods are mostly handmade, using ordinary paper for wrapping. However, these methods suffer from low efficiency, uneven appearance, easy loosening and peeling, and difficulty in providing lasting protection. Most existing book covers consist of three parts: a top layer, an adhesive layer, and a backing paper. The top layer, as the main protective layer of the book cover, is usually made of transparent or semi-transparent plastic film, possessing good abrasion resistance, water resistance, and stain resistance, effectively resisting external physical and chemical damage. The adhesive layer, located between the top layer and the backing paper, is used to firmly adhere the top layer to the book cover, ensuring that the cover does not easily peel off during use. The backing paper is used to protect the adhesive layer. When using the book, simply peel off the backing paper and use the adhesive layer to smoothly adhere the top film to the cover surface, forming a physical protective barrier to prevent the book cover from being directly exposed to external damage.

[0003] For example, utility model patent CN203254803U discloses a self-adhesive book cover, characterized by a rectangular protective film as the main body of the cover. One side of the protective film has self-adhesive adhesive and is covered with a protective release liner. The protective release liner has an independent structure at least corresponding to the spine, allowing it to be pre-torn and adhered to the spine for positioning. Two parallel tear lines are cut along the spine of the protective release liner, separating the cover release liner, spine release liner, and back cover release liner. This technical solution, by providing an independent spine release liner, facilitates pre-torn adhesion to the spine, making the self-adhesive book cover operation simpler and providing a reference point. During transportation, packaging, and display, the self-adhesive book cover provided by the aforementioned technical solution allows for bending packaging via the two parallel tear lines, reducing the volume of the self-adhesive book cover and saving transportation and storage space, offering advantages over flat packaging. However, self-adhesive book covers with folding packaging are more susceptible to compression and friction during transportation and storage, causing the spine release liner to curl up and partially detach, exposing the adhesive layer on the spine sides. This makes the covers easily contaminated by dust and dirt, further affecting the product's usability. Therefore, there is still a need for a book cover that can be folded for storage without curling up during storage. Summary of the Invention

[0004] The technical problem this application aims to solve is to provide a book cover film that, by adding intermittent tear lines to the base paper, can achieve both bending and storage functions, and also avoid curling and partial shedding caused by bending and storage, thereby enhancing the product's durability and user experience.

[0005] This application provides a book cover film, comprising an overlapping top layer film, an adhesive layer, and a backing paper. The adhesive layer is located between the top layer film and the backing paper. The backing paper includes a cover portion, a spine portion, and a bottom cover portion arranged in sequence. The spine portion has intermittent easy-tear lines, which allow the cover portion and the bottom cover portion to be opened in stages. The backing paper can be bent and stored through the intermittent easy-tear lines. The cover portion and the spine portion are joined by intermittent easy-tear lines, and the bottom cover portion and the spine portion are joined by intermittent easy-tear lines.

[0006] In this technical solution, the surface film serves as the main protective layer. The surface film adheres to the book cover through the middle adhesive layer, ensuring a firm bond. The top layer film provides physical protection for the book cover, preventing external damage. The backing paper protects the adhesive layer, maintaining its stickiness and preventing contamination or loss of adhesion when not in use. To use, simply peel off the backing paper and use the adhesive layer to smoothly adhere the top layer film to the cover surface, forming a physical protective barrier to prevent direct contact with external damage. The cover section of the backing paper protects the portion of the adhesive layer adhering to the book cover, the spine section protects the portion adhering to the spine, and the bottom cover protects the portion adhering to the bottom cover. Intermittent easy-tear lines are provided on the spine, allowing users to peel off the cover and bottom cover in stages. Users can peel off the cover first, then the bottom cover, making the operation more flexible and reducing the inconvenience of tearing it all at once. Furthermore, the book wrapping film can be folded and stored using the intermittent easy-tear lines, saving space and making it easy to carry and store. The intermittent tear line of this application is not a complete continuous dividing line, but rather a design with intervals that allows the two backing paper parts to maintain a certain joint when not torn, while allowing for easy tearing when needed. Compared to continuous tear lines, this application uses an intermittent tear line, where both the cover and the bottom cover are joined to the spine through the intermittent tear line. That is, the cover, spine, and bottom cover are not completely separated, which can prevent the spine from curling or partially falling off due to bending, enhance durability, and reduce the risk of damage during transportation and storage.

[0007] As an improvement, the intermittent tear line is a dotted tear line. In this technical solution, the dotted tear line is composed of a series of short straight lines arranged at intervals. There are certain gaps between these short straight lines, so that the various parts of the backing paper still maintain a certain connection strength when not torn. When tearing, the user can tear along the short straight lines of the dotted line, while the gaps provide convenience for tearing. The manufacturing process of the dotted tear line is relatively simple, and it can be achieved by cutting the dotted lines with a die-cutting line, without the need for additional complex processing steps.

[0008] As an improvement, two intermittent tear lines are provided on the spine, dividing the backing paper into the cover, spine, and bottom cover. In this technical solution, by designing two intermittent tear lines, the spine becomes an independent section. Users can peel off the spine using these lines, aligning the spine with the corresponding adhesive layer. This makes the book-wrapping process more precise and convenient, reducing the risk of wrapping failure due to inaccurate alignment. Users can peel off the spine first, then the cover and bottom cover, allowing for more flexible step-by-step operation and reducing the difficulty and inconvenience that might occur when tearing off the entire backing paper at once.

[0009] As an improvement, the two discontinuous tear lines are distributed in parallel. In this technical solution, the parallel distribution design makes the spine of the book fit better with the spine of the book, ensuring more precise alignment between the adhesive layer of the spine and the spine of the book, reducing the risk of book wrapping failure due to inaccurate alignment. The manufacturing process of the two parallel discontinuous tear lines is relatively simple, reducing production costs.

[0010] As an improvement, one end of the intermittent tear line is provided with a first full-cut section, which is used to separate one end of the spine from the cover or bottom cover. In this technical solution, a first full-cut section is added to the intermittent tear line. The first full-cut section is a cutting line on the intermittent tear line, used to separate one end of the spine from the cover or bottom cover. Compared with a complete intermittent tear line, the first full-cut section provides an initial dividing point, making the tearing process smoother and preventing the spine from curling. Users can easily separate one end of the spine from the cover or bottom cover using the first full-cut section, facilitating book wrapping.

[0011] As an improvement, the other end of the intermittent tear line is provided with a second full-cut section, which is used to separate the other end of the spine from the cover or bottom cover. In this technical solution, the first and second full-cut sections are located at both ends of the intermittent tear line, allowing the two ends of the spine to be separated from the cover or bottom cover. Through the cooperation of the first and second full-cut sections, users can more easily peel off the bottom paper step by step, facilitating book wrapping.

[0012] As an improvement, the top layer film, adhesive layer, and backing paper all have extension portions. In this technical solution, the extension portion is a common extension of the top layer film, adhesive layer, and backing paper, used to fold over and cover the edges of the book, ensuring that the edges of the book are also protected and preventing damage to the book edges due to friction or collision.

[0013] As an improvement, the extension is provided with a recessed area that adapts to the spine. In this technical solution, the recessed area is a recessed region on the extension, the shape and size of which are adapted to the spine, so as to avoid the spine when wrapping the book, ensuring that the spine can be properly aligned and glued, thereby improving the overall quality of the book wrapping.

[0014] As an improvement, the intermittent tear line is a dotted-dash tear line. In this technical solution, the intermittent tear line can also be in the form of a dotted-dash line, consisting of a series of alternating dots and short dashes. When not torn, the alternating design of dots and dashes maintains the connection strength of the backing paper, avoiding structural instability caused by complete separation when not in use. On the other hand, users can easily tear the backing paper along the alternating parts of the dots and dashes, reducing the difficulty and inconvenience during the tearing process. The intermittent tear line in this application includes, but is not limited to, dashed-dash tear lines and dotted-dash tear lines, and can also be wavy tear lines, serrated tear lines, perforated tear lines, etc. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the exploded structure of a book wrapping film according to this application.

[0016] Figure 2 This is a front view schematic diagram of a book cover film according to this application.

[0017] Figure 3 This is a front view schematic diagram of the book wrapping film in Embodiment 2 of this application.

[0018] The following are shown in the figure: 1. Top layer film; 2. Adhesive layer; 3. Backing paper; 31. Cover section; 32. Spine section; 33. Bottom cover; 34. Intermittent tear line; 341. First full-cut section; 342. Second full-cut section; 4. Extension section; 41. Recessed recess. Detailed Implementation

[0019] To better understand this application, various aspects of this application will be described in more detail with reference to the accompanying drawings. It should be understood that these detailed descriptions are merely illustrative of exemplary embodiments of this application and are not intended to limit the scope of this application in any way. Throughout the specification, the same reference numerals refer to the same elements.

[0020] In the accompanying drawings, the thickness, size, and shape of the objects have been slightly exaggerated for illustrative purposes. The drawings are for illustrative purposes only and are not drawn to scale.

[0021] It should also be understood that the terms "comprising," "including," "having," "containing," and "including," when used in this specification, indicate the presence of the stated features, integrals, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components, and / or combinations thereof. The terms "first," "second," etc., are primarily used to distinguish different devices, elements, or components (the specific types and constructions may be the same or different), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, elements, or components. Unless otherwise stated, "a plurality of" means two or more.

[0022] Furthermore, it should be noted that the terms "installation," "setting," "equipped with," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, elements, or components; they can refer to a direct installation on another component or the possible presence of another intermediate component. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein in the specification of this invention is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0023] Example 1

[0024] like Figure 1 and Figure 2As shown, this application discloses a book cover film, including an overlapping top layer film 1, an adhesive layer 2, and a backing paper 3. The adhesive layer 2 is located between the top layer film 1 and the backing paper 3. The top layer film 1 serves as the main protective layer, and it adheres to the book cover through the middle adhesive layer 2, ensuring a firm fit. The top layer film 1 provides physical protection for the book cover, preventing it from being damaged by external factors. The backing paper 3 protects the adhesive layer 2, maintaining its adhesiveness and preventing it from becoming contaminated or losing its adhesiveness when not in use. When in use, simply peel off the backing paper 3, and use the adhesive layer 2 to smoothly adhere the top layer film 1 to the cover surface, thereby forming a physical protective barrier to prevent the book cover from directly contacting external damage. The backing paper 3 includes a cover portion 31, a spine portion 32, and a bottom cover portion 33 arranged in sequence. The cover portion 31 of the backing paper 3 protects the adhesive layer 1. The adhesive layer 2 adheres to the book cover. The spine 32 of the backing paper 3 protects the portion of the adhesive layer 2 that adheres to the book spine. The bottom cover 33 of the backing paper 3 protects the portion of the adhesive layer 2 that adheres to the book back cover. The spine 32 has intermittent tear lines 34, which allow the cover 31 and the bottom cover 33 to be opened in stages. The backing paper 3 can be folded and stored through the intermittent tear lines 34. The cover 31 and the spine 32 are joined by the intermittent tear lines 34, and the bottom cover 33 is joined by the intermittent tear lines 34. Users can open the cover 31 first and then the bottom cover 33, making the operation more flexible and reducing the inconvenience of tearing it all at once. Furthermore, the book cover can be folded and stored through the intermittent tear lines 34, saving space and making it easy to carry and store. The intermittent tear line 34 of this application is not a complete continuous dividing line, but rather a design with intervals that allows the two backing paper parts 3 to maintain a certain joint when not torn, while being easily torn apart when needed. Compared to a continuous tear line, this application uses an intermittent tear line 34, where both the cover part 31 and the bottom cover 33 are joined to the spine part 32 through the intermittent tear line 34. That is, the cover part 31, the spine part 32, and the bottom cover 33 are not completely separated, which can prevent the spine part 32 from curling or partially falling off due to bending, enhance durability, and reduce the risk of damage during transportation and storage.

[0025] More specifically, such as Figure 1 and Figure 2As shown, two intermittent tear lines 34 are provided on the spine 32. The two intermittent tear lines 34 divide the base paper 3 into the cover 31, the spine 32 and the bottom cover 33. By designing two intermittent tear lines 34, the spine 32 becomes an independent part. Users can peel off the spine 32 through the two intermittent tear lines 34 and align the spine of the book with the corresponding adhesive layer 2 of the spine 32. This makes the book wrapping process more precise and convenient, reducing the risk of book wrapping failure due to inaccurate alignment. Users can peel off the spine 32 first, and then peel off the cover 31 and the bottom cover 33. The step-by-step operation is more flexible and reduces the difficulty and inconvenience that users may encounter when tearing off the entire base paper 3 at once.

[0026] More specifically, such as Figure 1 and Figure 2 As shown, two intermittent tear lines 34 are distributed in parallel. The parallel distribution design makes the spine 32 fit the spine of the book better, ensuring that the adhesive layer 2 of the spine 32 is more accurately aligned with the spine of the book, reducing the risk of book wrapping failure due to inaccurate alignment. The manufacturing process of the two parallel intermittent tear lines 34 is relatively simple, reducing production costs.

[0027] More specifically, such as Figure 1 and Figure 2 As shown, the top layer film 1, the adhesive layer 2, and the backing paper 3 are all provided with an extension portion 4. The extension portion 4 is a common extension of the top layer film 1, the adhesive layer 2, and the backing paper 3, which is used to fold over and cover the edge of the book to ensure that the edge of the book is also protected and to prevent the edge of the book from being damaged by friction or collision.

[0028] More specifically, such as Figure 1 and Figure 2 As shown, the extension 4 is provided with a recess 41 that is adapted to the spine 32. The recess 41 is a recessed area on the extension 4, and its shape and size are adapted to the spine 32. It is used to avoid the spine 32 when wrapping the book, so as to ensure that the spine 32 can be properly aligned and glued, thereby improving the overall quality of the book wrapping.

[0029] More specifically, the intermittent tear line 34 can also be in the form of a dotted line, consisting of a series of alternating dots and short dashes. When not torn, the alternating design of dots and dashes maintains the connection strength of the backing paper 3, avoiding structural instability caused by complete separation when not in use. On the other hand, users can easily tear the backing paper 3 along the alternating parts of the dots and dashes, reducing the difficulty and inconvenience in the tearing process. The intermittent tear line 34 in this application includes, but is not limited to, dashed tear lines and dotted tear lines, and can also be wavy tear lines, serrated tear lines, perforated tear lines, etc.

[0030] Example 2

[0031] like Figure 3 As shown, this embodiment provides a book cover film based on Embodiment 1, with the same structure as Embodiment 1. One end of the intermittent tear line 34 is provided with a first full-cut section 341. The first full-cut section 341 is used to separate one end of the spine 32 from the cover 31 or bottom cover 33. The first full-cut section 341 is a cutting line on the intermittent tear line 34, used to separate one end of the spine 32 from the cover 31 or bottom cover 33. Compared to a complete intermittent tear line 34, the first full-cut section 341 provides an initial dividing point, making the tearing process smoother and preventing the spine 32 from curling. Users can easily separate one end of the spine 32 from the cover 31 or bottom cover 33 using the first full-cut section 341, facilitating book wrapping.

[0032] More specifically, such as Figure 3 As shown, the other end of the intermittent tear line 34 is provided with a second full-cut section 342. The second full-cut section 342 is used to separate the other end of the spine 32 from the cover 31 or the bottom cover 33. The first full-cut section 341 and the second full-cut section 342 are located at both ends of the intermittent tear line 34, so that both ends of the spine 32 can be separated from the cover 31 or the bottom cover 33. With the cooperation of the first full-cut section 341 and the second full-cut section 342, the user can more easily peel off the bottom paper 3 in steps, which is convenient for book wrapping.

[0033] This application is not limited to the above-described preferred embodiments. Anyone can derive other products in various forms under the guidance of this application. However, regardless of any changes made to their shape or structure, any technical solution that is the same as or similar to that of this application falls within the protection scope of this application.

Claims

1. A book cover film, characterized in that, The book includes an overlapping top film (1), an adhesive layer (2), and a backing paper (3). The adhesive layer (2) is located between the top film (1) and the backing paper (3). The backing paper (3) includes a cover (31), a spine (32), and a bottom cover (33) arranged in sequence. The spine (32) is provided with an intermittent tear line (34). The intermittent tear line (34) is used to allow the cover (31) and the bottom cover (33) to be opened step by step. The backing paper (3) can be bent and stored through the intermittent tear line (34). The cover (31) and the spine (32) are joined by the intermittent tear line (34). The bottom cover (33) and the spine (32) are joined by the intermittent tear line (34).

2. The book cover film according to claim 1, characterized in that, The intermittent tear line (34) is a dashed tear line.

3. The book cover film according to claim 1, characterized in that, The intermittent tear lines (34) are provided on the spine (32) in two places, and the two intermittent tear lines (34) divide the backing paper (3) into the cover (31), the spine (32) and the bottom cover (33).

4. A book cover film according to claim 3, characterized in that, The two discontinuous tear lines (34) are distributed in parallel.

5. A book cover film according to claim 1, characterized in that, One end of the intermittent tear line (34) is provided with a first full-cut section (341), which is used to separate one end of the spine (32) from the cover (31) or the bottom cover (33).

6. A book cover film according to claim 5, characterized in that, The other end of the intermittent tear line (34) is provided with a second full-cut section (342), which is used to separate the other end of the spine (32) from the cover (31) or the bottom cover (33).

7. A book cover film according to claim 1, characterized in that, The surface film (1), adhesive layer (2) and backing paper (3) are all provided with extension portions (4).

8. A book cover film according to claim 7, characterized in that, The extension (4) is provided with a recess (41) that is adapted to the spine (32).

9. A book cover film according to claim 1, characterized in that, The intermittent tear line (34) is a dotted tear line.

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