Lateral overflow prevention adhesive tape and preparation method thereof

Abstract

The invention discloses an anti-side-overflow adhesive tape which comprises a tape body and an adhesive body, the adhesive body is arranged in the middle of the tape body in the length direction of the tape body, and a blank gap is formed between the side edge of the adhesive body and the side edge of the tape body on the same side. The adhesive tape has the beneficial effects that when the adhesive tape is wound, the outer-ring adhesive tape can extrude the inner-ring adhesive tape, and colloid overflowing from the extruded inner-ring adhesive tape can overflow to the blank gap and cannot overflow from the two sides of the adhesive tape, so that the wound adhesive tape can be prevented from being adhered, and the normal use of the adhesive tape is facilitated.

Description

Technical Field

[0001] This application relates to the field of tape preparation, and particularly to an anti-side-overflow tape and a preparation method thereof. Background Art

[0002] A tape, also known as a gum strip, adhesive tape, tape paper, etc., is a strip-shaped artificial product with adhesiveness, which can adhere to the surface of some items and can be used to connect two different items or can be used as a kind of screen wall or protection. Generally, a tape is composed of a base material and an adhesive.

[0003] When a tape is specifically manufactured, generally, an application device coats the adhesive on the base material. For example, Chinese Patent Document CN222724724U discloses a coating mechanism for a tape, and a collection structure is also provided on the side of the tape. Through the collection structure, the materials overflowing during the coating of the tape can be collected and reused, that is, during the coating process, the materials overflowing during the coating are collected through the collection structure; Chinese Patent Document CN222042057U discloses a tape production winding device with a glue cleaning function. As the glue on the surface of the protective sleeve continuously increases, the glue flows towards the inner wall of the collection tank along the scraper, so that the collection tank can collect the glue in a timely and effective manner, enabling the device to scrape and collect the excess glue carried on the surface of the tape roller, reducing the large amount of glue overflowing from both sides after the winding roller winds and collects the tape roller into a roll, and increasing the functionality of the device, that is, also during the coating process, the collection tank collects the glue in a timely and effective manner.

[0004] In the disclosures of the above patent documents, the essence of the technical solutions of the two documents is to collect the adhesives overflowing from the base material, especially on both sides of the base material, during the coating process. However, neither of the two solutions solves the problem of glue overflowing from both sides of the tape during the tape winding process after the coating process. For example, Figure 6 As shown, the tape after coating is wound around the roller or shaft or other connecting devices shown in the figure. When the outer tape is wound, it will squeeze the inner tape (the outer tape will apply a radial force to the inner tape). Under the extrusion of the outer tape, the adhesive on the base material of the inner tape will overflow from both sides of the tape. The overflowing adhesive will adhere to the side of the tape roll and stick the adjacent tapes together, which is not conducive to the normal unfolding of the tape. Moreover, the adhesive may even adhere to the roller or shaft or other connecting devices of the tape roll, hindering the normal rotation of the roller or shaft.

[0005] In addition, ultraviolet rays and temperature are also important factors affecting the problem of glue overflow on both sides of the tape during winding. Specifically, Chinese patent document CN11741770 A discloses a BOPP tape with ultra-high viscosity and high heat resistance, a preparation method and a preparation system. In this document, it is mentioned that a UV curing system is added, and the parts where the edges of the tape come into contact with the outside after use can be quickly cured by ultraviolet rays. The original intention of this design is to ensure that under high-temperature conditions, the glue inside the tape will not overflow from the edges due to melting, ensuring the use effect and cleanliness of the tape. The newly added metal oxide coating forms an effective barrier on the BOPP film to prevent ultraviolet rays from penetrating into the tape, thereby ensuring that the glue inside the tape will not be accidentally cured. This is particularly important for tape applications that may be exposed to sunlight, ensuring the stability and effect of the tape during use.

[0006] The essence of the technical solution in Chinese patent document CN11741770 A is to configure a special chemical coating to prevent the problem of side glue overflow of the tape under the influence of high temperature and ultraviolet rays. However, similarly, this solution still does not solve the problem of glue overflow on both sides of the tape during winding. The special chemical coating on the inner ring tape will also be subjected to the extrusion force of the outer ring tape, and the special chemical coating under this extrusion force cannot prevent the tape from overflowing glue on both sides during winding. Summary of the Invention

[0007] The purpose of this application is to propose an anti-side-overflow tape and its preparation method to solve the problem of glue overflow on both sides of the existing tape when it is wound into a tape roll.

[0008] An anti-side-overflow tape includes a tape body and a colloid. The colloid is arranged in the middle of the tape body along the length direction of the tape body, and there is a blank gap between the side of the colloid and the side of the tape body on the same side.

[0009] The beneficial effect is that when the tape is wound, the outer ring tape will squeeze the inner ring tape, and the glue overflowing from the inner ring tape under extrusion will overflow to the blank gap, rather than overflowing on both sides of the tape, thereby preventing the wound tape from sticking and facilitating the normal use of the tape.

[0010] In some embodiments, the width of the blank gap on one side of the colloid is equal to the width of the blank gap on the other side of the colloid.

[0011] The beneficial effect is that the blank gaps on both sides of the colloid have the same width, so the two blank gaps can accommodate the same glue overflow margin, and the same blank gap is convenient for cutting and processing.

[0012] In some embodiments, the colloid is arranged in the middle of the tape body along the length direction of the tape body, and there is a blank interval between any two adjacent sections of the colloid.

[0013] Its beneficial effects are as follows: When using the tape, the tape adheres to the use surface. When separating the colloid from the tape body, the relevant acting force can act on the blank interval, facilitating the separation of the colloid from the tape body.

[0014] In some embodiments, the widths of any blank intervals are equal.

[0015] A preparation method of an anti-side-overflow tape includes:

[0016] Using a coating device to coat a substrate and form a coating area, and the width of the coating area is equal to the width of the colloid; on both sides of the coating area on the substrate, there are respectively provided first blank areas, and the width of the first blank area is equal to the width of the blank gap.

[0017] A preparation method of an anti-side-overflow tape includes:

[0018] The substrate is coated with several coating areas of equal width by a coating device, and the width of the coating area is equal to the width of the colloid; a second blank area is provided between any two adjacent coating areas; for the outermost coating area on the substrate, a third blank area is provided on its outer side, and the width of the third blank area is equal to the width of the blank gap; using a cutting device to cut the second blank area to finally obtain the anti-side-overflow tape.

[0019] In some embodiments, the cutting device can act on the middle position in the length direction of the second blank area, dividing the second blank area into two blank gaps with unequal widths.

[0020] In some embodiments, the cutting device can act on the center in the length direction of the second blank area, equally dividing the second blank area along its length direction; half of the width of the second blank area is equal to the width of the blank gap. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings required for the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0022] Figure 1 It is a partial intercepted view in the length direction of the tape.

[0023] Figure 2 It is a partial intercepted view in the length direction of the tape.

[0024] Figure 3 It is a side view in the width direction of the tape.

[0025] Figure 4 Partial cross-sectional view in the length direction of the substrate under the first embodiment.

[0026] Figure 5 Partial cross-sectional view in the length direction of the substrate under the second embodiment.

[0027] Figure 6 Side view of the tape roll.

[0028] Explanation of the reference numerals in the drawings

[0029] 01, Substrate; 1, Tape body; 2, Colloid; 3, Blank gap; 4, Blank interval; 011, Coating area; 012, First blank area; 013, Second blank area; 014, Third blank area; Detailed implementation manners

[0030] In order to make the objectives, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are some but not all embodiments of the present application, and are only used to explain the present application, rather than to limit the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the scope of protection of the present application.

[0031] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "both ends", "both sides", "bottom", "top", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the elements referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present application. In addition, the terms "first", "second", "superior", "inferior", "main", "secondary", etc. are only used for descriptive purposes and can be simply used to more clearly distinguish different components, rather than indicating or implying relative importance.

[0032] In the description of the present application, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, or an indirect connection through an intermediate medium, and can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific situations.

[0033] Such as Figures 1 to 3As shown

[0034] An anti-overflow tape, comprising a tape body 1 and a colloid 2. The colloid 2 is arranged in the middle of the tape body 1 along the length direction of the tape body 1, and there is a blank gap 3 between the side of the colloid 2 and the side of the tape body 1 on the same side.

[0035] The colloid 2 mentioned here is generally of types such as dot glue, planar glue, double-sided glue, etc. The specific colors and shapes of the tape body 1 and the colloid 2 are arbitrary and can be arbitrarily selected according to specific application situations.

[0036] Its beneficial effect is that when the tape is wound, as Figure 6 shown, the outer ring tape will squeeze the inner ring tape, and the colloid 2 overflowed from the inner ring tape due to extrusion will overflow to the blank gap 3, rather than overflowing to both sides of the tape, thereby preventing the wound tape from sticking and facilitating the normal use of the tape.

[0037] Preferably, the width of the blank gap 3 on one side of the colloid 2 is equal to the width of the blank gap 3 on the other side of the colloid 2.

[0038] Its beneficial effect is that the blank gaps 3 on both sides of the colloid 2 have the same width. Therefore, the two blank gaps 3 can accommodate the same amount of overflow glue, and the same blank gaps 3 are convenient for cutting and processing.

[0039] As Figure 2 shown

[0040] Preferably, the colloid 2 is arranged in the middle of the tape body 1 along the length direction of the tape body, and there is a blank interval 4 between any two adjacent sections of the colloid.

[0041] Its beneficial effect is that when using the tape, the tape is adhered to the use surface. When separating the colloid 2 from the tape body 1, the relevant acting force can act on the blank interval 4, facilitating the separation of the colloid 2 from the tape body 1. For example, in Figure 2 , when the tape in the figure is adhered to a use surface such as paper, after the tape is adhered for a certain length, it is necessary to separate the colloid 2 from the tape body 1. The user only needs to provide a pulling force at the blank interval 4 to easily complete the separation of the colloid 2 from the tape body 1.

[0042] Preferably, the width of any blank interval 4 is equal.

[0043] As Figure 4 shown, in the first embodiment

[0044] A preparation method of an anti-overflow tape, comprising:

[0045] Use a coating device to coat the substrate 01 and form a coating area 011, and the width of the coating area 011 is equal to the width of the colloid 2; on both sides of the coating area 011 on the substrate 01, there are respectively provided first blank areas 012, and the width of the first blank area 012 is equal to the width of the blank gap 3.

[0046] This method is applicable to the situation where only one piece of tape is prepared from a whole substrate 01. The coating device can be coated with a common coating roller, or the coating device can also be a device with a colloid 2 collection function similar to the solutions of Chinese Patent Documents CN222724724U and CN222042057U. Its specific structure can be referred to the above-mentioned documents or other relevant documents, so it will not be elaborated in detail here.

[0047] As Figure 5 shown, in the second embodiment,

[0048] A method for preparing an anti-overflow tape includes:

[0049] On the substrate 01, there are several coating areas 011 of equal width coated by a coating device, and the width of the coating area 011 is equal to the width of the colloid 2; a second blank area 013 is provided between any two adjacent coating areas 011; for the coating area 011 located on the outermost side of the substrate 01, a third blank area 014 is provided on its outer side, and the width of the third blank area 014 is equal to the width of the blank gap 3; a cutting device cuts the second blank area 013, and the cutting device acts on the center of the length direction of the second blank area 013 to equally divide the second blank area 013 along its length direction; use the cutting device to cut the second blank area 013 to finally obtain the anti-overflow tape.

[0050] Preferably, the cutting device can act on the middle position in the length direction of the second blank area 013 to divide the second blank area 013 into two blank gaps 3 with unequal widths.

[0051] Preferably, the cutting device can act on the center of the length direction of the second blank area 013 to equally divide the second blank area 013 along its length direction; half of the width of the second blank area 013 is equal to the width of the blank gap 3.

[0052] This method is applicable to the situation where multiple pieces of tape are prepared from a whole substrate 01. The coating device can be coated with a common coating roller; the specific number of coating rollers can be one or more. For example, one coating roller can be selected to coat the coating areas 011 on the substrate 01 in sequence, or multiple coating rollers can be selected to coat simultaneously. The specific coating process is selected according to the specific tape production situation.

[0053] The coating equipment can also be a device with a colloid 2 collection function similar to the solutions in Chinese Patent Documents CN222724724U and CN222042057U. For its specific structure, reference can be made to the above-mentioned documents or other relevant documents, so it will not be elaborated in detail here.

[0054] The cutting equipment generally selects a slitter or other equipment with the same function. The cutting equipment aligns with Figure 5 the cutting reference line in it for cutting, and cuts a whole piece of substrate into several pieces of tape.

[0055] It should be noted that the width of the blank gap 3 is preferably 0.1 mm to 2.0 mm.

[0056] For example, when the width of the tape is 6 mm, the width of the colloid 2 is preferably 5 mm, and the width of the blank gap 3 is preferably 0.5 mm.

[0057] The above are only some embodiments of the present application, which are only used to illustrate the technical solutions of the present application and are not intended to limit it. It should be understood that for those of ordinary skill in the art, without departing from the creative concept of the present application, improvements or replacements can be made according to the above description, and all such improvements and replacements should fall within the protection scope of the appended claims of the present application. In this case, all details can be replaced with equivalent elements, and the materials, shapes and sizes can also be arbitrary.

Claims

1. An anti-overflow tape, characterized in that, It includes a tape body (1) and a colloid (2). The colloid (2) is arranged in the middle of the tape body (1) along the length direction of the tape body (1), and there is a blank gap (3) between the side of the colloid (2) and the side of the tape body (1) on the same side.

2. The anti-overflow tape according to claim 1, characterized in that, The width of the blank gap (3) on one side of the colloid (2) is equal to the width of the blank gap (3) on the other side of the colloid (2).

3. The anti-overflow tape according to claim 1, characterized in that, Several sections of the colloid (2) are arranged in the middle of the tape body (1) along the length direction of the tape body (1), and there is a blank interval (4) between any two adjacent sections of the colloid (2).

4. The anti-overflow tape according to claim 3, characterized in that, The width of any of the blank intervals (4) is equal.

5. A method for preparing an anti-overflow tape, which is used to prepare the anti-overflow tape described in any one of claims 1 to 4, characterized in that, It includes: Using a coating device to coat a substrate (01) to form a coating area (011), and the width of the coating area (011) is equal to the width of the colloid (2); on both sides of the coating area (011) on the substrate (01), there are respectively provided first blank areas (012), and the width of the first blank area (012) is equal to the width of the blank gap (3).

6. A preparation method of an anti-overflow tape for preparing the anti-overflow tape according to any one of claims 1 to 4, characterized in that, It includes: On the substrate (01), there are several coating areas (011) of equal width coated by a coating device, and the width of the coating area (011) is equal to the width of the colloid (2); there is a second blank area (013) between any two adjacent coating areas (011); for the coating area (011) on the outermost side of the substrate (01), there is a third blank area (014) on its outer side, and the width of the third blank area (014) is equal to the width of the blank gap (3); using a cutting device to cut the second blank area (013) to finally obtain an anti-side-overflow tape.

7. According to the method for preparing an anti-side-overflow tape described in claim 6, the cutting device can act on the middle position in the length direction of the second blank area (013) to divide the second blank area (013) into two blank gaps (3) with unequal widths.

8. According to the method for preparing an anti-side-overflow tape described in claim 6, the cutting device can act on the center of the length direction of the second blank area (013) to equally divide the second blank area (013) along its length direction; half of the width of the second blank area (013) is equal to the width of the blank gap (3).

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