Anti-skid mat
The anti-slip mat design with recessed and rounded protrusions addresses the issue of lateral sliding on wet surfaces by distributing stress, enhancing friction and preventing sliding, particularly beneficial for elderly users in bathtubs and kitchens.
Patent Information
- Authority / Receiving Office
- HK · HK
- Patent Type
- Applications
- Current Assignee / Owner
- ARONKASEI
- Filing Date
- 2026-04-22
- Publication Date
- 2026-07-10
AI Technical Summary
Existing anti-slip mats fail to effectively prevent lateral sliding on wet surfaces, especially when subjected to low loads, such as when elderly individuals step onto or out of bathtubs, due to the protrusions peeling off from the contact surface.
The anti-slip mat features protrusions with end faces that have a plane parallel to the mat surface, incorporating recesses and a rounded corner design, which distribute stress evenly and increase the effective anti-slip area, enhancing friction and preventing lateral sliding.
The mat effectively prevents lateral sliding on wet surfaces by distributing stress across multiple recesses and protrusions, ensuring stable contact even under low loads, thus improving safety on bathroom, bathtub, and kitchen floors.
Smart Images
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Abstract
Description
(19) State Intellectual Property Office (12) Invention Patent Application (10) Application Publication Number (43) Application Publication Date (21) Application Number 202480060291.5 (22) Application Date 2024.11.12 (30) Priority Data 2023-223396 2023.12.28 JP (85) PCT International Application Entering National Phase Date 2026.03.20 (86) PCT International Application Application Data PCT / JP2024 / 040143 2024.11.12 (87) PCT International Application Publication Data WO2025 / 142167 JA 2025.07.03 (71) Applicant: Yasunaga Kasei Corporation Address: Japan (72) Inventors: Noriaki Date, Yuya Matsumoto (74) Patent Agency: China Council for the Promotion of International Trade Patent & Trademark Office Co., Ltd. 11038 Patent Attorney Li Pengyu (51) Int.Cl. A47G 27 / 02 (2006.01) A47K 3 / 00 (2006.01) (54) Invention Title Anti-slip Mat (57) Abstract The anti-slip mat (10) of the present invention is characterized by having a mat body portion (11), a plurality of protrusions (13) protruding from the surface of the mat body portion (11), and a plurality of grooves (15) formed between the plurality of protrusions (13) and connected to the peripheral end of the mat (10), the protrusions (13) The end face (131) has a plane that is substantially parallel to the surface of the pad body (11). When viewed from above, the shape of the end face (131) has at least two recesses (133) that are recessed into the circumscribed circle (30) of two points on the outer periphery of the shape, which are located at the two points that are furthest apart from each other. The outer periphery of the end face (131) is greater than or equal to the circumference of the circumscribed circle (30). Claims 1 page, Description 10 pages, Drawings 4 pages, CN 121889067 A 2026.04.17 CN 1 21 88 90 67 A 1. An anti-slip mat, the anti-slip mat being a sheet-like anti-slip mat, characterized in that the anti-slip mat comprises: a mat body portion; a plurality of protrusions protruding from the surface of the mat body portion; and a plurality of grooves formed between the plurality of protrusions and connected to the peripheral end of the mat, the protrusions having an end face of a plane substantially parallel to the surface of the mat body portion, and in plan view, the shape of the end face having at least two recesses and retracting into the circumscribed circle inscribed by two points on the outer periphery of the outer periphery of the outer periphery, the outer periphery length of the end face being greater than or equal to the circumference length of the circumscribed circle.2. The anti-slip mat as claimed in claim 1, characterized in that, when viewed from the side, the outer periphery of the protrusion extending from the center of the end face and then toward the main body of the mat is provided with a corner, and the shape of the corner is formed to approximate a rounded shape with a radius of 0.5 mm or less. 3. The anti-slip mat as claimed in claim 1 or 2, characterized in that the outer shape of the end face has a shape, or a modified shape thereof, formed by moving and overlapping multiple shapes in a rotational direction based on the center of the circumscribed circle to form the concave portion, wherein the shapes are at least one selected from polygons, circles, and ellipses. 4. The anti-slip mat as claimed in claim 1 or 2, characterized in that the area of the end face is in a ratio of 40% to 95% of the area of the circumscribed circle. 5. The anti-slip mat as claimed in claim 1 or 2, characterized in that the total area of the end faces of the protrusions is in a ratio of 40% to 90% of the overall area of the mat when viewed from above. 6. The anti-slip mat as claimed in claim 1 or 2, characterized in that the total outer perimeter length of the end face included in every 20mm × 20mm of the mat is 30mm or more. 7. The anti-slip mat as claimed in claim 1 or 2, characterized in that the distance from the surface of the main body of the mat to the end face is 0.3mm or more. 8. The anti-slip mat as claimed in claim 1 or 2, characterized in that the end face is disposed in contact with the floor surface of the bathroom or the bottom surface of the bathtub. Claims 1 / 1 page 2 CN 121889067 A Anti-slip mat technical field
[0001] The present invention relates to an anti-slip mat disposed on a floor surface wet with water or a floor surface in water. Background art
[0002] Conventionally, in situations where bathroom floors, bathtub bottoms, pool edges, pool bottoms, toilet floors, kitchen floors, etc., are wet with water, people sometimes slip and fall. To prevent this, anti-slip mats are used. Anti-slip mats typically have the following on the anti-slip surface of the floor: a plurality of protrusions for point or line contact with the floor surface wetted by water; and grooves formed between the protrusions for drainage.
[0003] As anti-slip mats, there are known products with various planar shapes, cross-sectional shapes or their arrangement patterns of the protrusions (see, for example, Patent Documents 1-5).
[0004] Prior Art Documents
[0005] Patent Documents
[0006] Patent Document 1: Japanese Unexamined Patent Application Publication No. 10-99183
[0007] Patent Document 2: Japanese Unexamined Patent Application Publication No. 2008-161363
[0008] Patent Document 3: Japanese Unexamined Patent Application Publication No. 2011-46152
[0009] Patent Document 4: Japanese Unexamined Patent Application Publication No. 2018-175668
[0010] Patent Document 5: Japanese Utility Model Registration No. 3226677 Summary of the Invention
[0011] Problems to be Solved by the Invention
[0012] As mentioned above, the raised portion of the anti-slip surface in a known anti-slip mat has a drainage channel for draining water from the floor and a contact surface that contacts the floor. Although considerable effort has been put into the shape of the drainage channel and the contact surface, especially under conditions such as immersion in water or underwater, the raised portion may sometimes peel off from the contact surface, thus failing to fully exert its anti-slip effect. For example, in situations where elderly people or others use bathtubs, anti-slip mats are sometimes placed on the bottom of the bathtub beforehand. When taking the first step onto such an anti-slip mat, the load applied to the mat is relatively low, and the force applied to the mat is also weak, making it prone to lateral sliding. Furthermore, after bathing, when stepping out of the bathtub, the load from the foot remaining on the anti-slip mat is also relatively low, making the mat prone to lateral sliding again.
[0013] The objective of this invention is to provide an anti-slip mat that, when placed on a wet floor surface or a floor surface submerged in water, is unlikely to slip laterally, even when a low load of 50 grams or less per specified area (20mm x 20mm) is applied to the surface (the side in contact with the human body) of a mat of a specific size (50mm x 50mm).
[0014] Solution to the Problem
[0015] The inventors of this application discovered that by configuring the protrusions of the anti-slip surface on the floor surface side of an anti-slip mat having a main body and a plurality of protrusions protruding from its surface in a specific configuration, the above-mentioned problem can be solved, and thus the present invention was completed.
[0016] The present invention is as follows.
[0017] 〔1〕An anti-slip mat, the anti-slip mat being a sheet-like anti-slip mat, characterized in that,
[0018] the above-mentioned anti-slip mat comprises: Description 1 / 10 page 3 CN 121889067 A
[0019] a mat body portion;
[0020] a plurality of protrusions protruding from the surface of the above-mentioned mat body portion; and
[0021] a plurality of grooves formed between the plurality of the above-mentioned protrusions and connected to the peripheral end of the mat,
[0022] the above-mentioned protrusions having an end face of a plane substantially parallel to the surface of the above-mentioned mat body portion, and when viewed from above, the shape of the end face having at least two recesses, and being recessed into a circumscribed circle in which two points on the outer periphery of the above-mentioned shape are located at the positions furthest apart from each other, the outer periphery length of the end face being greater than or equal to the circumference length of the circumscribed circle.
[0023] [2] The anti-slip mat as described in [1] is characterized in that, when viewed from the side, the outer periphery of the protrusion extending from the center of the end face and then toward the main body of the mat is provided with a corner, and the shape of the corner is formed to be approximately a rounded shape with a radius of 0.5 mm or less.
[0024] [3] The anti-slip mat as described in [1] or [2] is characterized in that the outer shape of the end face has a shape or a modified shape of which multiple patterns are moved in a rotational direction and overlapped to form the concave portion based on the center of the circumscribed circle, and the patterns are at least one pattern selected from polygons, circles and ellipses.
[0025] [4] The anti-slip mat as described in any one of [1] to [3] is characterized in that the ratio of the area of the end face to the area of the circumscribed circle is 40 to 95%.
[0026] [5] The anti-slip mat as described in any one of [1] to [4] is characterized in that the total area of the end faces of the protrusions is 40 to 90% of the total area of the mat when viewed from above.
[0027] [6] The anti-slip mat as described in any one of [1] to [5] is characterized in that the total outer perimeter length of the protrusions included in every 20mm × 20mm of the mat is 30mm or more.
[0028] [7] The anti-slip mat as described in any one of [1] to [6] is characterized in that the distance from the surface of the mat body to the end face is 0.3mm or more.
[0029] [8] The anti-slip mat as described in any one of [1] to [7] is characterized in that the end face is disposed in contact with the floor surface of the bathroom or the bottom surface of the bathtub.
[0030] Effects of the Invention
[0031] According to the present invention, anti-slip mats placed with their anti-slip surface (the surface on the floor side) facing a wet floor surface or a floor surface in water are unlikely to slide laterally even under low load conditions. Therefore, they are suitable for installation on bathroom floors, bathtub bottoms, pool edges, pool bottoms, toilet floors, kitchen floors, etc. For example, when elderly people or others take a bath with an anti-slip mat submerged in the bathtub, the load applied to the anti-slip mat when taking the first step onto such an anti-slip mat is relatively low compared to their body weight, and the force applied to the anti-slip mat is also weak. Therefore, the anti-slip mat is sometimes prone to lateral sliding. In addition, after bathing, when stepping out of the bathtub, the load from the foot left on the anti-slip mat is also relatively low, and the anti-slip mat is also prone to lateral sliding. However, by using the anti-slip mat of the present invention, such adverse conditions can be suppressed.
[0032] FIG1(A) and (B) are schematic top views (partial enlarged views) illustrating the raised pattern of the anti-slip surface (floor side) of the anti-slip mat used in Embodiments 1 and 3, respectively.
[0033] FIG2 is a schematic top view illustrating the raised end face of the anti-slip mat of the present invention.
[0034] FIG3 is a schematic top view illustrating the raised end face of the anti-slip mat of the present invention.
[0035] FIG4 is a schematic cross-sectional view showing the anti-slip mat of the present invention.
[0036] FIG5 is an enlarged view of the main part of the raised portion 13 in FIG4. Specification 2 / 10 pages 4 CN 121889067 A
[0037] FIG6 is a schematic top view showing another example of the external shape of the raised portion of the anti-slip surface of the anti-slip mat of the invention.
[0038] FIG7(C) is a schematic top view (partial enlarged view) showing another example of the raised pattern of the anti-slip surface of the anti-slip mat of the present invention.
[0039] FIG8 is a schematic top view illustrating a portion (protrusion pattern) of the anti-slip surface of the anti-slip mat used in Comparative Example 2. Detailed Description
[0040] As shown in FIG1 and FIG4, the anti-slip mat 10 of the present invention is characterized by comprising: a mat body portion 11; a plurality of protrusions 13 protruding from the surface of the mat body portion 11; and a plurality of grooves 15 formed between the plurality of protrusions 13 and connected to the peripheral end (not shown) of the anti-slip mat. The protrusions 13 have a protrusion end face 131 of a plane substantially parallel to the surface of the mat body portion 11. In top view, the outer shape of the protrusion end face 131 has at least two recesses 133 and is recessed into a circumscribed circle 30 inscribed by two points (P1, P2 in FIG2) located at the farthest positions on the outer periphery of the outer shape of the protrusion end face 131. The outer periphery length of the protrusion end face 131 is greater than or equal to the circumference length of the circumscribed circle 30. Here, the outer perimeter line and the circumscribed circle 30 are references drawn for designing the external shape of the convex end face 131 of the present invention, and are not the shape of the convex end face 131 or the shape of the anti-slip pad 10 of the present invention.
[0041] In this specification, the surface of the anti-slip mat 10 with the protrusion 13 on the side of the mat body 11, i.e., the floor surface side, is referred to as the "anti-slip surface 111" (Fig. 4), and the other side of the mat body 11 is referred to as the "second surface 112" (Fig. 4). The second surface 112 is the surface that the user touches and steps on.
[0042] The pattern of the protrusion 13 in the anti-slip surface 111 of the anti-slip mat 10 of the present invention is illustrated, for example, by FIG. 1 (A) and (B), and includes at least: a plurality of protrusions 13 protruding from the mat body 11 in the anti-slip surface 111; and a groove 15 connected to the peripheral end of the anti-slip mat 10. Therefore, if the anti-slip mat 10 is placed on a floor surface wet with water or a floor surface in water, the water contained in the groove 15 between the floor surface that abuts the protrusion 13 and the mat 10 can be easily drained. Since the groove 15 is formed between the protrusions 13 in the anti-slip surface 111, it is part of the anti-slip mat 10.
[0043] In the present invention, the protrusion 13 has a protruding end face 131 that is substantially parallel to the surface of the mat body 11. To explain this structure, when viewing the anti-slip mat 10 of the present invention in a cross-sectional view as shown in FIG4, if the surface of the mat body 11 is set as the base line and the surface of the protruding end face 131 is set as the first line, the base line and the first line are substantially parallel. Therefore, when the anti-slip mat 10 of the present invention is placed on a bathroom floor, bathtub bottom, etc., the protruding end face 131 of the protrusion 13 of the anti-slip mat 10 can reliably abut against the floor or bottom surface, and can exert an anti-slip effect.
[0044] In addition, the protrusion 13 has a protruding side face 132 (FIG. 4) that protrudes from the mat body 11 and is connected to the protruding end face 131. From a drainage point of view, the convex side 132 preferably protrudes in a generally vertical direction relative to the surface of the pad body 11.
[0045] For an anti-slip pad 10 placed such that the convex end face 131 abuts against a wet floor surface or a floor surface in water, for example, an anti-slip pad 10 placed on the bottom of a bathtub, when a user places one foot on the anti-slip pad 10 at a low load state while crossing the bathtub wall, and the user applies force to the foot placed on the pad to maintain balance, from the user's perspective, a force is applied to the anti-slip pad 10 in the direction of placing the foot down. From the perspective of the anti-slip pad 10, a force offset in the direction away from the user's direction, i.e., a so-called lateral sliding force, is applied to the anti-slip pad 10. The convex end face 131, due to friction with the aforementioned floor surface, applies stress against the lateral sliding force to the convex 13 and the convex end face 131.Here, for example, when the shape of the protruding end face 131 is circular when viewed from above (the so-called protrusion 13 is a cylindrical protrusion), the maximum lateral sliding stress is concentrated at point 1 at the end of the circular apex of the circular protruding end face 131 in the sliding direction. Therefore, the area of the protruding end face 131 that plays an anti-slip role against this concentrated stress (hereinafter also referred to as the "anti-slip effective area") becomes substantially smaller. Sometimes, it cannot withstand the concentrated stress, and the contact surface of the pad (protruding end face 131) peels off from the floor surface, and the anti-slip pad 10 slides. On the other hand, as shown in FIG. 2, the anti-slip mat 10 of the present invention has a convex end face 131 with a plurality of recesses 133 and a plurality of protrusions 134. Therefore, under the same low load and with the same sliding force applied, the stress is distributed to each of the plurality of recesses 133 and protrusions 134 of the convex end face 131. As a result, the effective area for achieving a substantial anti-slip effect is increased. In other words, if the convex end face 131 is made to have a plurality of concave and convex shapes in order to lengthen the outer periphery of the protrusion 13, the stress applied to the protrusion 13 and the convex end face 131 due to the lateral sliding force is easily dispersed. As a result, the anti-slip effect of the anti-slip mat 10 of the present invention is improved because the effective anti-slip area is increased. Therefore, the anti-slip mat 10 of the present invention has the following characteristics regarding the area and outer periphery length related to the shape of the convex end face 131.
[0046] (1) As shown in FIG2, when viewed from above, the outer shape of the convex end face 131 has at least two recesses 133, which are recessed into the circumcircle 30 inscribed by two points on the outer periphery of the outer shape of the convex end face 131, which are located at the two points furthest apart from each other. That is, the area of the convex end face 131 is smaller than the area of the circumcircle 30.
[0047] (2) The outer periphery length of the convex end face 131 is greater than or equal to the circumference length of the circumcircle 30.
[0048] Regarding (1) above, from the viewpoint of anti-slip effect, as shown in FIG2, the number of recesses 133 in the outer shape of the convex end face 131 is preferably two or more, more preferably four or more. On the other hand, if the number of recesses 133 is too large, the outer shape of the convex end face 131 will be close to a circle, so it is preferable to have 10 or less, more preferably 8 or less. The recess 133, when viewed from above, can be either an acute angle or an obtuse angle, or a combination thereof. Furthermore, the circumcircle 30, inscribed by two points (P1, P2) located furthest apart on the outer perimeter of the shape, can be drawn. These two points are preferably at least a portion of the two protrusions 134 in the shape. Alternatively, in this invention, all vertices of the protrusions 134 visible on the outer shape of the protrusion end face 131 may be tangent to the circumcircle 30.
[0049] Here, the shape of the protruding end face 131, which has two or more recesses 133, can be set as a shape in which multiple shapes are moved in the rotational direction and overlapped to form a shape (see Figures (1) and (2)) of FIG6) with the center of the circumcircle 30 as the axis, or a variant shape thereof, wherein the shape is at least one shape selected from polygons, circles and ellipses. Figure 6 (1) is the shape in which two squares with rounded corners are used, one square is fixed with the center of the circumcircle 31 as the axis, and the other square is moved 45 degrees and overlapped to form a shape. In addition, Figure 6 (2) is the shape in which all four circles with the radius length of the circumcircle 32 as the diameter length are internally tangent to the circumcircle 32, the position of one circle is fixed, and the other three circles are rotated 90 degrees with the center of the circumcircle 32 as the axis. As an example of a deformable shape, it can be a shape obtained by combining multiple arbitrary graphics with an irregularly shaped recess 133, or a shape obtained by combining multiple polygons with rounded corners. When the shape of the convex end face 131 made by such means is viewed from the center of the circumcircle 30 as shown in FIG2, if it is symmetrical in the X and Y directions, the stress can be evenly distributed with respect to the direction of sliding force in all directions when viewed from above, and an excellent anti-slip effect can be achieved.
[0050] Regarding the above (2), it has the following characteristics: the outer perimeter length of the convex end face 131 is the same as or greater than the circumference length of the circumcircle 30. The outer perimeter length of the shape of the convex end face 131 is an element that directly affects the effective anti-slip area of the anti-slip pad 10 of the present invention, and it is expected that the longer it is, the larger the effective anti-slip area will be. The protrusion 13 involved in this invention has the following form: the outer perimeter length of the protrusion end face 131 is larger than the ratio of the circumference length to the area of the circumscribed circle 30 relative to the area of the protrusion end face 131. That is, compared with the circumscribed circle 30 (so-called cylindrical protrusion), the effective anti-slip area of each protrusion 13 is larger, and an excellent anti-slip effect is achieved.
[0051] Furthermore, if the ratio of the area of the protrusion end face 131 to the area of the circumscribed circle 30 is high, the contact area (protrusion end face 131) between one protrusion 13 and the surface of the plate is larger. On the other hand, if the ratio of the area of the protrusion end face 131 is low, the outer perimeter length of the protrusion end face 131 can be increased. From the viewpoint of simultaneously ensuring the contact area and the outer perimeter length, the ratio of the area of the protrusion end face 131 to the area of the circumscribed circle 30 is preferably 40 to 95%, more preferably 50 to 80%. In addition, the diameter of the circumscribed circle 30 is preferably 2 to 100 mm, more preferably 3 to 80 mm, and even more preferably 4 to 50 mm.If the diameter is less than 2 mm, the area of one convex end face 131 will become too small, and the sliding stress generated on one convex end face 131 will increase. On the other hand, if it exceeds 100 mm, the outer perimeter length of the area of each convex end face 131 will become shorter, and the anti-slip effect will decrease.
[0052] Here, FIG2 shows an example of the shape of the convex end face 131 that satisfies (1) and (2) above. FIG2 is a top view showing the shape of the convex end face 131 with 8 recesses 133. When P1 and P2 are determined by two points on the outer perimeter of the convex end face 131 at the position furthest from each other, if the circumscribed circle 30 shown in dashed line is drawn, the other protrusions 134 on the outer perimeter of the convex shape other than P1 and P2 are tangent to the circumscribed circle 30 or located inside the circumscribed circle 30. That is, the area of the convex end face 131 is smaller than the area of the circumscribed circle 30. Furthermore, if the outer circumference length of the convex end face 131 is measured, it becomes the circumference length of the circumference of the circumscribed circle 30 or more.
[0053] The circle 40 in FIG3 is tangent to the outer circumference line of the outer shape of the convex end face 131, and an inscribed circle concentric with the circumscribed circle in FIG2 is drawn. The inscribed circle 40 is used as a reference for designing the outer shape of the convex end face 131 of the convex portion 13 involved in the anti-slip mat 10 of the present invention, and is not the shape of the convex portion 13 and the convex end face 131 of the present invention. In addition, the point of tangency between the outer circumference line of the outer shape of the convex end face 131 and the inscribed circle 40 can be one point or multiple points. In FIG3, it is eight points.
[0054] The size of the inscribed circle 40 is one factor that determines the area of the convex end face 131. If the area of one convex end face 131 is increased, the contact area between the convex end face 131 and the floor surface it abuts becomes larger, and the anti-slip effect is improved. On the other hand, if the inscribed circle 40 is too large, the outer shape of the convex end face 131 will be close to a circle. Therefore, from the viewpoint of reducing the anti-slip effect of the anti-slip pad 10 of the present invention, the diameter d of the inscribed circle 40 is preferably 1 / 2 or more, more preferably 2 / 3 or more, and even more preferably 3 / 4 or more, and particularly preferably 4 / 5 or more, relative to the diameter of the circumscribed circle 30.
[0055] In the anti-slip pad 10 of the present invention, from the viewpoint of increasing the area of the convex end face 131, the shortest distance from the center of the outer shape of the convex end face 131 (the center of the circumscribed circle 30 in FIG2) to the recess 133 is preferably 1 mm or more, and more preferably 1.3 mm or more. In addition, it is preferably 5 mm or less, and more preferably 4 mm or less.
[0056] The outer perimeter length of the convex end face 131 in one convex portion 13 is preferably 9 mm or more, more preferably 15 mm or more, and even more preferably 25 mm or more. In addition, it is preferably 250 mm or less, and more preferably 150 mm or less.
[0057] In the anti-slip mat of the present invention, the total outer perimeter length of the convex end faces 131 included in each 20mm×20mm mat 10, in the present invention characterized by a long outer perimeter length of one convex end face 131, represents the number of convex portions 13 per unit area of the anti-slip mat 10, also known as density. A longer outer perimeter length results in a higher density. From the viewpoint of improving the anti-slip effect, the total outer perimeter length of the convex end faces 131 included in each 20mm×20mm mat 10 is preferably 30mm or more, more preferably 50mm or more, and even more preferably 100mm or more, particularly preferably 120mm or more. From the viewpoint of drainage, the upper limit is preferably 500mm or less, more preferably 400mm or less, even more preferably 350mm or less, and particularly preferably 250mm or less.
[0058] The surface morphology of the side peripheral surface of the convex portion 13 is not particularly limited and can be any of a flat surface, a curved surface, or a rough surface.
[0059] The arrangement pattern of the protrusions 13 in the anti-slip surface 111 of the anti-slip mat 10 of the present invention is not particularly limited when viewed from above, but it is preferable that the protrusions 13 are arranged in a grid or non-grid pattern so that the area ratio of the protrusion end faces 131 of the protrusions 13 per unit area of the anti-slip surface 111 is constant. In the case of a grid pattern arrangement, if the angle of the triangle formed by connecting the centers of three adjacent protrusions 13 (for example, the center of the circumcircle 30 in FIG2) is preferably 30 to 90 degrees, more preferably about 60 degrees, the anti-slip effect of the present invention can be fully obtained. Specification 5 / 10 pages 7 CN 121889067 A
[0060] The distance between the nearest protrusions 13 among adjacent protrusions 13 is preferably 0.5 mm or more, more preferably 0.7 mm or more, and even more preferably 1 mm or more. In addition, it is preferably 5 mm or less, more preferably 3 mm or less, and even more preferably 2 mm or less.
[0061] As shown in FIG4, the preferred embodiment of the anti-slip mat 10 of the present invention, when viewed from the side, has a structure with an outer periphery angle extending from the center of the protrusion end face 131 and then toward the mat body 11. That is, the protrusion 13 has a protrusion end face 131 and a protrusion side face 132, and the corner formed by the protrusion end face 131 and the protrusion side face 132 has a structure with a periphery angle of the protrusion end face 131 (hereinafter also referred to as "angled structure r"). The angled structure r is an important structure for making the outer periphery of the shape of the protrusion end face 131 reliably contact the floor surface. As shown in FIG5, when viewed from the side, the angled structure r is a part of the circumference of a circle 50 drawn in a manner tangent to the protrusion end face 131 and the protrusion side face 132, and the length of the angled structure r is the length of the radius of the circle 50.In Figure 5, the angle formed by the three points—the point of tangency between circle 50 and the convex end face 131, the center of circle 50, and the point of tangency between circle 50 and the convex side face 132—is shown as 90 degrees, but it can be larger or smaller than 90 degrees. The angled structure r is preferably 0.5 mm or less, more preferably 0.3 mm or less, and even more preferably 0.1 mm or less.
[0062] From the viewpoint of simultaneously ensuring the contact area between the convex end face 131 of the anti-slip mat 10 and the floor surface, as well as the area of the groove portion 15 of the anti-slip mat 10 when viewed from above, the ratio of the total area of the convex end face 131 of the convex portion 13 of the present invention to the overall area of the anti-slip mat 10 when viewed from above is preferably 40 to 90%, more preferably 50 to 80%.
[0063] In addition, as another embodiment of the anti-slip mat 10 of the present invention, as shown in FIG7 (C), the protrusion 13, which is part of the protrusion 13 shown in FIG1 (B), and its protrusion end face 131 are divided to form protrusions 13A and 13B, and a groove 16 is provided therebetween, which makes it easier to drain water between the floor surface and the protrusion end face 131.
[0064] Regarding the protrusion 13 of the anti-slip surface 111 of the anti-slip mat 10 of the present invention, from the viewpoint of making it easier to drain water between the floor surface and the protrusion end face 131, the distance between the surface of the mat body 11 and the protrusion end face 131 (hereinafter referred to as "protrusion height") is preferably 0.3 mm or more, more preferably 0.4 mm or more. On the other hand, if the height of the protrusion is too high, the protrusion 13 is prone to deformation when a load is applied to the pad body 11. For example, the protrusion 131 undergoes shear deformation in such a way that the anti-slip surface 111 is offset in the parallel direction relative to the protrusion end face 131. As a result, the stress applied to the protrusion end face 131 is concentrated in a specific part, and the protrusion end face 131 and the floor surface become easy to peel off. Therefore, from the viewpoint of anti-slip effect, the upper limit of the height of the protrusion is preferably 5 mm or less, more preferably 2 mm or less, and even more preferably 1 mm or less.
[0065] The constituent material of the anti-slip pad 10 of the present invention is not particularly limited, but at least for the protrusion 13, from the viewpoint of making the contact between the protrusion end face 131 and the surface of the floor surface it abuts, whether it is uneven or has a curved surface, the type A Shore hardness measured by JIS K 6253 is preferably made of an elastic resin material in the range of 20 Point to 90 Point (more preferably 40 Point to 80 Point). The protrusions 13 can be made entirely of the same material or of multiple materials, for example, adjacent protrusions 13 can be made of different materials. In addition, adjacent protrusions 13 can also have different Shore A hardness.
[0066] The above-mentioned elastic resin material can be, for example, a thermoplastic elastomer or rubber, or a resin composition mainly composed of a mixture of them and a thermoplastic resin.
[0067] Examples of thermoplastic elastomers include olefin-based elastomers, styrene-based elastomers, diene-based elastomers, hydrogenated diene-based elastomers, vinyl chloride-based elastomers, chlorinated polyethylene-based elastomers, ethylene-vinyl acetate-based elastomers, polyester-based elastomers, polyamide-based elastomers, and fluorinated elastomers.
[0068] Examples of rubbers include ethylene-propylene-diene rubber, nitrile rubber, and butadiene rubber.
[0069] To adjust specific gravity, softness, elasticity, etc., the above-mentioned elastic resin materials may also contain reinforcing materials, inorganic fillers, softeners, weather-resistant additives, antioxidants, antistatic agents, flame retardants, mildew inhibitors, colorants, etc., as needed.
[0070] In this invention, the constituent materials of the pad body 11 and the constituent materials of the protrusion 13 may be the same or different. In this invention, the pad body 11 and the protrusion 13 are preferably an integral piece made of a continuous phase of the same material.
[0071] In addition, the anti-slip pad of the present invention may also be either a single-layer type made entirely of the same material or a laminated type in which different materials are overlapped in the thickness direction of the pad 10.
[0072] The surface morphology of the second surface 112 of the anti-slip pad 10 of the present invention is not particularly limited, and for example, it may have a textured structure with a grid pattern, concentric circle pattern, dot pattern, or other designed pattern. A protrusion corresponding to the design layer 18 is shown in FIG4.
[0073] In this invention, the thickness of the pad 10, including the height of the protrusion (t in FIG4), can be set to any thickness within a range that does not affect the effect of the present invention, but if it is too thin, the strength against cracking or breakage of the pad itself is reduced. On the other hand, if the thickness is too thick, the weight becomes heavy, and the pad itself is difficult to bend with the curved floor surface. From this point of view, the thickness of the pad 10 is preferably 1 mm or more, more preferably 1.5 mm or more, and even more preferably 2 mm or more. On the other hand, the upper limit of the thickness of the pad 10 is preferably 10 mm or less, more preferably 5 mm or less, and even more preferably 4 mm or less.
[0074] The planar dimensions of the anti-slip pad 10 of the present invention can be appropriately selected according to the application and are not particularly limited. For example, from the viewpoint of the weight of the pad 10, it can be set to a size of 20~100cm × 30~90cm.
[0075] As the anti-slip pad 10 of the present invention, from the viewpoint of sinking in water, it is preferable to have a specific gravity greater than 1.0 based on JIS K 7112. In addition, from the viewpoint of making the handling and application of the pad 10 easier, the upper limit is preferably 4 or less, more preferably 3 or less, and even more preferably 2.5 or less. If the specific gravity is within the preferred range, the structure and material of the anti-slip pad 10 can also be made of foam for the purpose of providing cushioning.Furthermore, the main body 11 of the anti-slip mat 10 of the present invention may also have a through hole extending through its thickness direction.
[0076] The method of manufacturing the anti-slip mat 10 of the present invention is not particularly limited. When the main body 11 and the protrusion 13 are made of the same elastic resin material as described above, they can be manufactured by conventionally known resin molding methods such as injection molding, extrusion molding, and stamping.
[0077] The anti-slip mat of the present invention is suitable for application on bathroom floors, bathtub bottoms, pool edges, pool bottoms, toilet floors, kitchen floors, etc., which are susceptible to water damage. The material and roughness of these floor surfaces and bottoms are not limited, and a low load of less than 50 grams per specified area (20mm × 20mm) can be applied to the anti-slip mat, which is placed along the aforementioned floor surfaces or bottoms that are wetted by water, to achieve an effect where lateral sliding is difficult to occur. For example, if the anti-slip surface is placed on a mat surface of a specific size (50mm × 50mm), the anti-slip mat is placed on a mat surface of a specified size (50mm × 50mm).
[0078] According to the present invention, for example, when elderly people or others use a bathtub with an anti-slip mat placed on the bottom, the load applied to the anti-slip mat when taking the first step onto such an anti-slip mat is relatively low compared to their body weight, and the force of pressing down on the anti-slip mat is also weak. Therefore, the anti-slip mat is prone to lateral slippage. In addition, after bathing, when stepping out of the bathtub with one foot, the load from the foot left on the anti-slip mat is also low. Similarly, the anti-slip mat is prone to lateral slippage. However, if the anti-slip mat of the present invention is used, such adverse conditions can be suppressed.
[0079] Examples
[0080] Hereinafter, the present invention will be specifically described based on examples, but the present invention is not limited to these examples.
[0081] 1. Molding material of the anti-slip mat
[0082] A thermoplastic styrene-based elastomer composition was used, which had a Shore A hardness of 60 measured according to JIS K 6253 and a specific gravity of 1.7 measured according to JIS K 7112.
[0083] 2. Manufacturing and evaluation of anti-slip mat
[0084] Using the injection molding mold for forming the protrusion 13 described in Examples 1-3 and Comparative Examples 1-2 (Protrusion 13 demolding instructions 7 / 10 page 9 CN 121889067 A mold angle: 2 degrees), the above-mentioned thermoplastic styrene elastomer was injection molded to manufacture test pieces (size: width 50mm × length 50mm, thickness of the main body of the mat: 4mm), and then a sliding test was performed.
[0085] Example 1
[0086] A test piece having the pattern shown in FIG1 (A) was manufactured. The external shape of the protrusion end face 131 of the protrusion 13 is as follows: as shown in FIG6 (1), two squares with rounded corners that are inscribed in the circumcircle 31 are used. With the center of the circumcircle 31 as the axis, one square is fixed and the other square is moved by 45 degrees and overlapped to form a composite.The length of the outer perimeter of the shape is 37.9 mm, the diameter of the circumscribed circle 31 is 7.3 mm, the length of the angled structure r is 0.05 mm, and the height of the protrusion is 0.5 mm (refer to Table 1). The lines connecting the centers of three adjacent protrusions 13 are all equilateral triangles of the same shape, and the shortest distance between the grooves of two adjacent protrusions is 1.5 mm.
[0087] The sliding test was conducted using the following method, and the results are recorded in Table 1.
[0088] Room temperature water was placed in a stainless steel pan, and the test piece was submerged with the protrusion of the test piece as the bottom side of the pad. Then, a 50-gram metal plate (size: 20 mm × 20 mm) was placed in the center of the test piece. The test piece was held by the fingertips at the center of one end and slowly pulled along the bottom of the pad to determine the sliding condition.
[0089] 0: Strong resistance.
[0090] △: Resistance.
[0091] ×: Sliding without resistance.
[0092] Example 2
[0093] Except that the length of the corner structure r was set to 0.4 mm, a test piece was manufactured in the same manner as in Example 1, and a sliding test was performed (see Table 1).
[0094] Example 3
[0095] A test piece having the protrusion 13 with the pattern shown in FIG1 (B) was manufactured. The shape of the protrusion was obtained by overlapping four circles. As shown in FIG6 (2), it was set to the following shape: all four circles with the radius length of the circumcircle 32 as the diameter length were internally tangent to the circumcircle 32, the position of one circle was fixed, and the other three circles were rotated 90 degrees with the center of the circumcircle 32 as the axis. The length of the outer perimeter (outer perimeter) of this shape was 18.8 mm, the diameter of the circumcircle 32 of the shape was 6.0 mm, the length of the corner structure r was 0.05 mm, and the height of the protrusion was 0.5 mm (see Table 1). The lines connecting the centers of three adjacent protrusions 13 are all isosceles right triangles of the same shape, and the shortest distance between the grooves of two adjacent protrusions is 1.5 mm. Then, a sliding test was performed (see Table 1).
[0096] Comparative Example 1
[0097] A test piece was manufactured by patterning the protrusions 13 as cylinders (diameter: 7.3 mm). The length of the angular structure r is 0.05 mm, and the height of the protrusion is 0.5 mm (see Table 1). The lines connecting the centers of three adjacent protrusions 13 are all equilateral triangles, and the shortest distance between the grooves of two adjacent protrusions is 1.5 mm. Then, a sliding test was performed (see Table 1).
[0098] Comparative Example 2
[0099] A test piece 20 having a protrusion 21 with the pattern shown in FIG8 (the pattern of the Bishamonten tortoise shell pattern) was manufactured. The length of the outer perimeter of the shape is 37.2 mm, the diameter of the circumscribed circle 33 is 12.5 mm, the length of the corner structure r is 0.05 mm, and the height of the protrusion is 0.5 mm (refer to Table 1).Then, a sliding test was performed (refer to Table 1).
[0100] [Table 1] Specification 8 / 10 pages 10 CN 121889067 A
[0101]
[0102] In Examples 1 to 3, the ratio of the outer perimeter of the convex end face to the circumference of the circumference of the convex part is greater than 1, and the ratio of the area of the convex end face to the area of the circumference of the convex part is less than 1.
[0103] Comparative Example 1 is a cylindrical protrusion, so the outer perimeter and area of the convex end face are the same as the circumference of the circumference.
[0104] Comparative Example 2 is a comparative example in which the ratio of the outer perimeter of the convex end face to the circumference of the circumference of the convex part is less than 1.
[0105] Examples 1 and 3 achieved excellent results in the sliding test, and even in Example 2, where the length of the corner structure r is longer than that of Example 1, the sliding test results were good. Instruction manual, pages 9 / 10, CN 121889067 A
[0106] On the other hand, in Comparative Examples 1 and 2, since the external shape of the convex end face of the present invention was not satisfied, the results in the sliding test were worse than those in Examples 1 to 3. Industrial Applicability
[0107] The anti-slip mat of the present invention is suitable for application on bathroom floors, bathtub bottoms, pool edges, pool bottoms, toilet floors, kitchen floors, etc., that are wetted by water.
[0108] Explanation of reference numerals
[0109] 10: Anti-slip mat
[0110] 111: Anti-slip surface
[0111] 112: Second surface
[0112] 11: Main body of the mat
[0113] 13: Protrusion
[0114] 131: End face of the protrusion
[0115] 132: Side face of the protrusion
[0116] 133: Recess
[0117] 15: Groove
[0118] 20: Anti-slip mat
[0119] 21: Protrusion
[0120] 23: Groove (Instruction manual 10 / 10 pages 12 CN 121889067 A Figure 1 Figure 2; Instruction manual Figures 1 / 4 pages 13 CN 121889067 A Figure 3 Figure 4; Instruction manual Figures 2 / 4 pages 14 CN 121889067 A Figure 5 Figure 6) Instruction manual, Figures 3 / 4, page 15, CN 121889067 A; Figures 7 and 8; Instruction manual, Figures 4 / 4, page 16, CN 121889067 A.
Claims
1. An anti-slip mat, wherein the anti-slip mat is a sheet-like anti-slip mat, characterized in that, The above-mentioned anti-slip mats have the following features: Main body of the pad; Multiple protrusions protruding from the surface of the pad body portion; and Multiple grooves are formed between the aforementioned protrusions and are connected to the peripheral ends of the pad. The aforementioned protrusion has an end face with a plane that is substantially parallel to the surface of the aforementioned pad body. When viewed from above, the shape of the aforementioned end face has at least two recesses and is recessed into the circumcircle inscribed by two points on the outer periphery of the aforementioned shape, which are located at the points furthest apart from each other. The outer periphery length of the aforementioned end face is greater than or equal to the circumference length of the aforementioned circumcircle.
2. The anti-slip mat as described in claim 1, characterized in that, When viewed from the side, the outer periphery of the protrusion extending from the center of the end face and then toward the main body of the pad is provided with a corner, and the shape of the corner is formed to be approximately a rounded shape with a radius of 0.5 mm or less.
3. The anti-slip mat as described in claim 1 or 2, characterized in that, The aforementioned external shape of the end face has a shape or a modified shape of which multiple shapes are moved in a rotational direction and overlapped to form the aforementioned recess, with the center of the aforementioned circumcircle as a reference, and the aforementioned shapes are at least one shape selected from polygons, circles and ellipses.
4. The anti-slip mat as described in claim 1 or 2, characterized in that, The ratio of the area of the aforementioned end face to the area of the aforementioned circumscribed circle is 40-95%.
5. The anti-slip mat as described in claim 1 or 2, characterized in that, The total area of the aforementioned end faces of the aforementioned protrusions is 40 to 90% of the total area of the aforementioned pad when viewed from above.
6. The anti-slip mat as described in claim 1 or 2, characterized in that, The total outer perimeter length of the aforementioned end face included in each 20mm×20mm of the aforementioned pad is 30mm or more.
7. The anti-slip mat as described in claim 1 or 2, characterized in that, The distance from the surface of the main body of the pad to the end face is 0.3 mm or more.
8. The anti-slip mat as described in claim 1 or 2, characterized in that, The aforementioned end face is configured to contact the floor surface of the bathroom or the bottom surface of the bathtub.