Damp-proof durable abrasive paper
By introducing moisture-proof components and a groove structure into skateboard sandpaper, the problem of residual mud and sand particles is solved, the service life of skateboard sandpaper is extended, the friction effect is improved, and the moisture-proof performance is enhanced.
Patent Information
- Application Number
- CN202520056620.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-01-10
AI Technical Summary
Existing skateboard sandpaper lacks moisture resistance, and mud and sand particles can easily remain on the soles of shoes during use, affecting friction and shortening its lifespan.
A moisture-proof and durable sandpaper has been designed, comprising a substrate layer, a moisture-proof component, an anti-slip layer, a water-absorbing layer, and a scraping groove structure. The scraping groove removes mud and sand particles, and the water-absorbing layer absorbs moisture, preventing moisture from entering the adhesive layer and enhancing the moisture-proof performance.
It effectively removes mud and sand particles from shoe soles, extends the life of sandpaper, improves friction, and prevents moisture from affecting adhesion through a waterproof layer, achieving good moisture-proof effect.
Smart Images

Figure CN223790250U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of skateboard sandpaper technology, specifically relating to a moisture-proof and durable sandpaper. Background Technology
[0002] Figure skateboarding is an extreme sport, a type of board sport where athletes use skateboards to perform complex gliding, jumping, spinning, and flipping maneuvers on various terrains, surfaces, and specific facilities, all to the accompaniment of music. To increase friction between the skateboard and the soles of the shoes, sandpaper is usually applied to the surface of the skateboard. However, existing sandpaper generally lacks moisture resistance, and users' shoes often have mud and sand particles on the soles, leaving a large amount of residue on the sandpaper surface and reducing its lifespan.
[0003] A patent with publication number CN207734586U discloses an anti-slip abrasive patch with shock absorption function, comprising a strip-shaped abrasive patch body, the abrasive patch body comprising a substrate layer, an anti-slip layer made of abrasive particles, a shock-absorbing layer made of soft material, an adhesive layer, and a release paper; the anti-slip layer is bonded to the upper surface of the substrate layer, the shock-absorbing layer is bonded to the lower surface of the substrate layer, the adhesive layer is uniformly coated on the lower surface of the shock-absorbing layer; and the release paper is bonded to the lower surface of the adhesive layer.
[0004] The aforementioned solution, by incorporating a emery-grit anti-slip layer, increases friction when the user's feet are on the skateboard, thus reducing the probability of the user losing contact with the skateboard. However, during skateboarding, the user needs to place their shoe sole on the emery-grit surface, ensuring contact. Furthermore, in some figure skating competitions, users often rub and slide back and forth on the skateboard surface to adjust the sole's position. Users' shoe soles often accumulate a large amount of mud and sand particles, which can easily remain on the emery-grit surface, affecting its friction effect, reducing the skateboard's lifespan, and resulting in poor actual performance. Utility Model Content
[0005] To address the problems existing in the background technology, this utility model provides a moisture-proof and durable sandpaper.
[0006] To achieve the above objectives, the present invention provides the following technical solution:
[0007] A moisture-proof and durable sandpaper includes a substrate layer, a moisture-proof component fixedly disposed on the top of the substrate layer, and an anti-slip layer fixedly bonded to the top of the moisture-proof component by a first adhesive layer; the top of the anti-slip layer has several rectangular grooves, which are evenly distributed along the length of the anti-slip layer; a certain gap is left between two adjacent grooves, and the anti-slip layer is smooth in the areas where no grooves are formed; a sanding strip is fixedly disposed in each groove, with the sanding strip arranged in the same direction as the groove, and a reinforcing plate is fixedly disposed on both sides of each sanding strip; a smooth scraping groove is formed on one side of each reinforcing plate, the scraping groove being an arc-shaped groove with a certain inclination angle.
[0008] Furthermore, the abrasive strip can be made of diamond anti-slip material, and the abrasive strip is adapted to the groove after being connected to the reinforcing plate.
[0009] Furthermore, a second adhesive layer is fixedly disposed at the bottom of the substrate layer, and release paper is adhered to the bottom of the second adhesive layer.
[0010] Furthermore, the moisture-proof component includes a water-absorbing layer, with a first waterproof layer and a second waterproof layer fixedly disposed on both sides of the water-absorbing layer, the first waterproof layer being bonded to a first adhesive layer, and the second waterproof layer being fixedly connected to a substrate layer.
[0011] This application has the following beneficial effects:
[0012] 1. By using spaced sanding strips, the arc-shaped scraping grooves on both sides of the reinforcing plate can scrape away mud and sand particles from the user's shoes when the performer slides and adjusts their position on the sanding strips. This removes some of the mud and sand particles adhering to the performer's shoes, reducing the amount of mud and sand particles falling into the sanding strips during the performer's adjustment, thus ensuring the lifespan of the skateboard. Simultaneously, the scraped mud and sand particles will fall into the gaps in the anti-slip layer where there are no sanding strips and into the scraping grooves on both sides of the reinforcing plate. The angled scraping grooves and smoothly designed gaps facilitate the cleaning of the scraped mud and sand particles, further ensuring the lifespan of the skateboard.
[0013] 2. By incorporating a waterproof layer and a water-absorbing layer, the water-absorbing layer can absorb moisture, while the waterproof layer can prevent the absorbed moisture from entering the adhesive layer or substrate layer. The waterproof layer provides moisture protection for the adhesive layer and substrate layer, thus achieving a convenient moisture-proof function. Attached Figure Description
[0014] The above and other objects, features, and advantages of the present invention will become readily understood by reading the following detailed description of exemplary embodiments with reference to the accompanying drawings. In the drawings, several embodiments of the present invention are shown by way of example and not limitation, and like or corresponding reference numerals denote like or corresponding parts, wherein:
[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0016] Figure 2 This is a schematic diagram of the exploded structure of this utility model;
[0017] Figure 3 This is a schematic diagram of the scraping groove structure of this utility model.
[0018] Explanation of reference numerals in the attached figures:
[0019] 1. Anti-slip layer; 2. Sanding strip; 3. Groove; 4. First adhesive layer; 5. First waterproof layer; 6. Water-absorbing layer; 7. Second waterproof layer; 8. Substrate layer; 9. Second adhesive layer; 10. Groove; 11. Reinforcing plate. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Those skilled in the art should understand that the embodiments described below are only some, not all, of the embodiments disclosed. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.
[0021] like Figures 1-3 As shown, the technical solution adopted by this utility model is as follows: A moisture-proof and durable sandpaper includes a substrate layer 8, a release paper (not shown in the figure) is bonded to the bottom of the substrate layer 8 by a second adhesive layer 9, a moisture-proof component is fixedly installed on the top of the substrate layer 8, and an anti-slip layer 1 is fixedly bonded to the top of the moisture-proof component by a first adhesive layer 4. Both the substrate layer 8 and the anti-slip layer 1 are made of PVC material, and the first adhesive layer 4 and the second adhesive layer 9 can be made of tape or glue.
[0022] The moisture-proof component includes a water-absorbing layer 6, with a first waterproof layer 5 and a second waterproof layer 7 fixedly disposed at the top and bottom of the water-absorbing layer 6, respectively. The first waterproof layer 5 is bonded to the first adhesive layer 4, and the second waterproof layer 7 is fixedly connected to the substrate layer 8.
[0023] The absorbent layer 6 can be made of absorbent resin. The absorbent layer 6 will absorb moisture from the air, thereby achieving a moisture-proof effect. The first waterproof layer 5 can prevent moisture from affecting the adhesion of the first adhesive layer 4. The second waterproof layer 7 prevents moisture from entering the substrate layer 8.
[0024] The top of the anti-slip layer 1 has several rectangular grooves 3, which are evenly distributed along the length of the anti-slip layer 1, and there is a certain gap between two adjacent grooves 3. The parts of the anti-slip layer 1 without grooves 3 are all smooth.
[0025] A sanding strip 2 is fixedly installed in each groove 3. The sanding strip 2 is arranged in the same direction as the groove 3. A reinforcing plate 11 is fixedly installed on both sides of each sanding strip 2. After the sanding strip 2 is connected to the reinforcing plate 11, it fits perfectly with the groove 3. The sanding strip 2 can be made of diamond anti-slip strip.
[0026] Each reinforcing plate 11 has a smooth scraper groove 10 on the side not connected to the sand strip 2. The scraper groove 10 is an arc-shaped groove with a certain inclination angle, which can guide the scraped mud and sand particles and facilitate their sliding.
[0027] The accompanying diagrams in this manual are structural schematics; their actual size may be adjusted based on actual use.
[0028] Working principle: When in use, the sanding strip 2 can increase the friction between the performer's shoe sole and the skateboard. When the performer needs to adjust the position of his / her feet during the performance, the performer's shoe sole will slide on the surface of the skateboard. The arc-shaped scraping groove 10 on the reinforcing plate 11 will scrape off the mud and sand particles on the performer's shoe sole, thereby scraping off some of the mud and sand particles stuck to the performer's shoe sole, reducing the amount of mud and sand particles falling into the sanding strip 2, thus ensuring the service life of the skateboard.
[0029] The mud and sand particles scraped off by the reinforcing plate 11 will fall into the gaps in the anti-slip layer 1 where the sand strips 2 are not installed, as well as into the scraping grooves 10 on the side of the reinforcing plate 11. The inclined scraping grooves 10 and the smooth gaps facilitate the sliding of the scraped mud and sand particles, reducing the number of mud and sand particles falling into the sand strips 2, thereby ensuring the service life of the sand strips 2.
[0030] In addition, the absorbent layer 6 can absorb moisture in the air, the first waterproof layer 5 can prevent moisture from affecting the adhesion of the first adhesive layer 4, and the second waterproof layer 7 can prevent moisture from entering the substrate layer 8.
[0031] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A moisture resistant, durable abrasive sheet, characterized by, The moisture-proof component is fixedly arranged on the top of the substrate layer (8), the top of the moisture-proof component is fixedly bonded with the anti-skid layer (1) through the first adhesive layer (4), the top of the anti-skid layer (1) is provided with a plurality of rectangular grooves (3), the plurality of grooves (3) are uniformly distributed along the length direction of the anti-skid layer (1), a certain gap is left between two adjacent grooves (3), the positions of the anti-skid layer (1) without the grooves (3) are smoothly arranged, a sand strip (2) is fixedly arranged in each groove (3), the sand strip (2) is arranged in the same direction as the groove (3), the two sides of each sand strip (2) are fixedly provided with a reinforcing plate (11), a smooth scraping groove (10) is formed in one side of each reinforcing plate (11), the scraping groove (10) is an arc-shaped groove, and the scraping groove (10) has a certain inclination angle.
2. The moisture resistant durable sandpaper of claim 1, wherein, The sand strip (2) can adopt a corundum anti-skid strip, and the sand strip (2) is matched with the groove (3) after being connected with the reinforcing plate (11).
3. The moisture resistant durable abrasive paper of claim 1, wherein The bottom of the substrate layer (8) is fixedly provided with a second adhesive layer (9), and the bottom of the second adhesive layer (9) is attached to release paper.
4. The moisture resistant durable abrasive paper of claim 3, wherein, The moisture-proof component comprises a water absorption layer (6), the two sides of the water absorption layer (6) are fixedly provided with a first waterproof layer (5) and a second waterproof layer (7) respectively, the first waterproof layer (5) is bonded with the first adhesive layer (4), and the second waterproof layer (7) is fixedly connected with the substrate layer (8).
Citation Information
Patent Citations
Subsides of limited slip sand with shock -absorbing function
CN207734586U