JP4602009B2 - Structure to prevent misalignment of first carpet and floor mat - Google Patents

Description

  The present invention relates to a structure for preventing displacement of a pile carpet and a floor mat laid on the floor surface of a building such as a house, office, or hotel, or the floor surface of a vehicle such as an automobile, railroad, ship, or airplane. Specifically, the present invention relates to a first carpet and a floor mat misalignment prevention structure that can surely prevent misalignment of a floor mat.

  Conventionally, a first carpet tufted on a base fabric is laid on a floor surface of a building or vehicle so that a pile in a cut form has a predetermined volume. In this first carpet, a surface pattern that is rich in design, soft, and high-quality is created by the thickness, shape, and color of the cut end face of the pile in the cut form tufted on the upper surface of the base fabric.

  Since this first carpet is generally laid on the entire floor as it is or via an adhesive or the like, it cannot be easily removed and cleaned even if it is soiled with dust or dirt. For this reason, for example, a removable floor mat is placed on the top surface of the first carpet in order to prevent dust and dirt from directly adhering to the pile carpet in the entrance and elevator hall portions that are easily contaminated in the building or in the vehicle interior. .

  As described above, since the upper surface of the first carpet is constituted by the cut end face of the pile in the cut form, it is easy to slip. For this reason, the floor mat placed on the upper surface is easily displaced. In particular, in the case of a floor mat placed on the vehicle floor surface, the displacement may lead to a traffic accident. Preventive measures were taken.

  In the case of the floor mat 1 shown in FIG. 5, a large number of misalignment prevention protrusions 2 are provided on the back surface of the mat, and these protrusions 2 enter between tufted piles of the first carpet. Misalignment was prevented (see FIG. 3 of Patent Document 1).

Further, in the case of another floor mat 5 shown in FIG. 6, a through hole 6 is provided at the edge of the mat 5, and a hook 7 protruding from the floor surface is hooked on the through hole 6, thereby the mat 5 (See, for example, FIG. 3 of Patent Document 2).
JP 2002-238730 A Japanese Utility Model Publication No. 5-469145

  However, since the surface of the first carpet is composed of the cut end face of the pile in the cut form, it is slippery, and only by hooking the anti-displacement protrusion and hook on the back of the mat, depending on the magnitude and direction of the force applied to the mat, it is left and right or diagonal The floor mat could not be reliably prevented from being displaced.

  The present invention has been made in view of such circumstances, and an object of the present invention is to provide a first carpet and a floor mat misalignment prevention structure that can surely prevent misalignment of a floor mat.

  In order to achieve the above object, the invention according to claim 1 is a first carpet on which a floor mat provided with a large number of misalignment-preventing protrusions on the back surface is placed, and includes a cut-form pile and the cut-form pile. A low-pile pile is tufted into a base fabric, and the first carpet is characterized in that the loop-shaped pile is buried between cut-shaped piles.

  The invention according to claim 2 is characterized in that the first carpet according to claim 1 is characterized in that the loop-shaped pile is made of a thin and strong yarn compared to the cut-shaped pile.

  The invention according to claim 3 is characterized in that the yarn constituting the pile in the loop form is composed of one or more fiber groups selected from polyamide, polyester, polyethylene, polypropylene, polyvinyl alcohol, and polyaramid. The gist of the first carpet according to Item 2.

  The invention described in claim 4 is characterized in that the fineness of the yarn constituting the cut pile is 1800 to 4000 dtex, whereas the fineness of the yarn constituting the loop pile is 700 to 1000 dtex. The first carpet according to claim 1 or 2.

  The invention according to claim 5 is a structure for preventing a displacement of the floor mat when a floor mat having a large number of protrusions for preventing displacement on the back surface is placed on the first carpet. Tubing a pile in a cut form and a pile in a loop form lower than the pile in the cut form, burying the pile in the loop form between the piles in the cut form, and the tip of the protrusion for preventing misalignment on the back surface of the floor mat The gist of the present invention is a floor mat misalignment preventing structure characterized in that the misalignment preventing projection is easily caught by a loop-shaped pile.

  In the pile carpet of the present invention, the loop-shaped pile tufted to the base fabric together with the cut-shaped pile captures the protrusion for preventing the displacement of the floor mat placed on the carpet upper surface, and Misalignment can be reliably prevented. In addition, in this carpet, since the loop-shaped pile is tufted to the base fabric so as to be buried between the cut-shaped piles, the design, softness and luxury of the pile carpet surface may be impaired. Absent.

  Hereinafter, a first carpet (hereinafter referred to as a carpet) of the present invention will be described in detail according to an embodiment shown in the drawings. The carpet 11 shown in FIGS. 1 and 2 is provided with a backing 13 on the back side of the base fabric 12.

  Examples of the base fabric 12 include non-woven fabrics, woven fabrics, knitted fabrics, paper, felts, and composites obtained by combining one or more of these. In addition, the raw material and structure of the base fabric 12 are not specifically limited, What is necessary is just to determine suitably in consideration of the use and use condition of the said floor mat.

  The base fabric 12 has a cut pile 14 a and a loop pile 14 b tufted to the base fabric 12. The cut pile 14a is made of synthetic fibers such as polyethylene, polypropylene, and polyester, natural fibers such as cotton and wool, and semi-synthetic fibers such as rayon. (For example, about 1800-4000 dtex), and this yarn is tufted to a predetermined volume (a ratio of 5 to 10 per inch) on the base fabric 12, and the upper loop portion is cut. According to the shape, number, and color of the end face of the pile 14a in the cut form, a design having a high design quality and a soft and high-class feeling is created on the carpet 11 surface.

  On the other hand, the loop-shaped pile 14b is thinner and stronger than the cut-shaped pile 14a, specifically, one or more fibers selected from polyamide, polyester, polyethylene, polypropylene, polyvinyl alcohol, and polyaramid. The yarn is made by twisting a bundle to a thickness of 700 to 1000 dtex, for example, one yarn for one yarn constituting the cut pile 14a, and two constituting the cut pile 14a. It is arranged at a ratio of one for one yarn or one for the five yarns constituting the cut-shaped pile 14a, and tufted so as to be the height of the root portion of the cut-shaped pile 14a. To do. By tufting in this manner, the loop-shaped pile 14b is buried between the cut-shaped piles 14a, and the surface of the carpet 11 is constituted by the end faces of the cut-shaped piles 14a. Depending on the color, a surface pattern rich in design and soft and luxurious can be created.

  An adhesive layer 15 is formed on the back side of the base fabric 12. The adhesive layer 15 is made of, for example, a urethane-based moisture curable adhesive, a hot melt adhesive, or the like, and includes two types of cut pile 14a and loop pile 14b tufted on the back side of the base fabric 12. It comes to stop the omission. The adhesive layer 16 may be made of, for example, a spider web-like adhesive and formed into a thin film by heat and / or pressure during bonding.

  A backing 13 is provided on the back side of the base fabric 12 through the adhesive layer 16. The backing layer 13 is formed for the purpose of reinforcing and retaining the floor mat 11 or preventing displacement.

  As the backing 13, a fiber layer or a resin layer can be employed. As the backing 13 made of a fiber layer, for example, a nonwoven fabric, a felt, a woven fabric, a knitted fabric, or a composite sheet combining two or more of these can be used. In the illustrated example, a backing 13 made of felt is employed.

  On the other hand, for the backing made of a resin layer, for example, styrene-butanediene-styrene copolymer, acrylonitrile-butadiene copolymer, polymer such as urethane resin, styrene-butanediene rubber, acrylonitrile-butanediene rubber, A rubber polymer such as butanediene rubber, natural rubber, isoprene rubber, or a mixture of a plurality of these can be used.

  In the case of a backing made of a resin layer, it is possible to reduce the weight by adding a foaming agent to the resin constituting the layer. Examples of the foaming agent include fatty acid soap, sodium alkylallyl sulfonate, sodium higher alcohol sulfate, and sodium monoamide disodium N-octadecylsulfosuccinate.

  In addition, if necessary, the resin may be filled with polyacrylic acid soda, carboxymethylcellulose, talc, aluminum hydroxide, antimony oxide, polyacrylic acid soda, carboxymethylcellulose, polyvinyl alcohol, casein, fermented polysaccharide, etc. A thickener, a dispersant such as sodium tripolyphosphate and sodium hexametaphosphate may be added.

  As shown in FIG. 2, a floor mat 21 is placed on the upper surface of the carpet 11 configured as described above. As shown in FIG. 2, the floor mat 21 is obtained by tufting a pile 24 in a cut shape on a base fabric 22 so as to have a predetermined volume, and has a large number of misalignment prevention protrusions 25 on the back surface of the mat 21. A backing 23 is provided.

  When the floor mat 21 is placed on the carpet 11, a large number of misalignment prevention protrusions 25 formed on the backing 23 on the back surface of the floor mat 21 enter between the cut piles 14a on the carpet 11 surface. Become.

  In this state, when an external force is applied in the direction of the arrow in FIG. 3, a large number of misalignment prevention protrusions 25 formed on the backing 23 on the back surface of the floor mat 21 enter deeply between the piles 14a of the cut form on the surface of the carpet 11, and the cut form Therefore, the floor mat 21 is surely prevented from being displaced by being caught by the loop-shaped pile 14b buried between the piles 14a.

FIG. 4 shows a structure for preventing the displacement of the floor mat 21 when the floor mat 21 having a large number of displacement preventing projections 25 provided on the back surface thereof is placed on the carpet 11 of the operation. As shown in FIG. 4, a cut pile 14 a and a loop pile 14 b lower than the cut pile 14 a are tufted on the base fabric 12 in the carpet 11, and the loop pile 14 b is cut. It is in a state of being buried between the piles 14a of the form. Further, a deviation preventing projection 25 is formed on the back surface of the floor mat 21 placed on the carpet. The tip of the misalignment prevention protrusion 25 on the back of the floor mat 21 has a bowl shape,
When the floor mat 21 is placed on the carpet 11 and an external force is applied in the direction of the arrow in FIG. 3 in this state, the tip of the protrusion 25 for preventing misalignment provided in the hook shape is caught by the loop pile 14b, The mat 21 is prevented from being displaced. According to this misalignment prevention structure, the tip of the misalignment prevention protrusion 25 of the floor mat 21 has a hook shape, so that it easily catches on the pile 14b in the loop shape of the carpet 11, and the misalignment of the floor mat 21 is more sure. It can be prevented.

  The scope of the present invention is as defined in “Claims”. For example, a through hole is formed in the backing on the back surface of the floor mat to improve sound absorption, and the “Claims” It can be changed freely within the range.

The principal part expanded sectional view which shows the carpet of this invention. The principal part expanded sectional view which shows the state which mounted the floor mat on the carpet of this invention. The principal part expanded sectional view which shows the state in which the external force was added to the floor mat in the state which mounted the floor mat on the carpet of this invention. The principal part expanded sectional view which shows the shift | offset | difference prevention structure of the floor mat of this invention. The principal part expanded sectional view which shows the shift prevention structure of the conventional floor mat. The perspective view which shows the shift prevention structure of the conventional floor mat.

Explanation of symbols

DESCRIPTION OF SYMBOLS 12 ... Base fabric 13 ... Backing 14a ... Pile of cut form 14b ... Pile of loop form 21 ... Floor mat 25 ... Protrusion for slippage prevention

Claims (5)

  A fast carpet on which a floor mat having a large number of misalignment-preventing protrusions is placed, and a cut pile and a loop pile lower than the cut pile are tufted on the base fabric The first carpet, wherein the loop-shaped pile is buried between the cut-shaped piles.   The fast carpet according to claim 1, wherein the pile in the loop form is made of a thin and strong yarn compared to the pile in the cut form.   3. The first carpet according to claim 2, wherein the yarn constituting the pile in a loop form is composed of one or more fiber groups selected from polyamide, polyester, polyethylene, polypropylene, polyvinyl alcohol, and polyaramid.   The fineness of the yarn constituting the cut pile is 1800-4000 dtex, whereas the fineness of the yarn constituting the loop pile is 700-1000 dtex, according to claim 1 or 2. First carpet.   A structure for preventing the floor mat from being displaced when a floor mat provided with a large number of protrusions for preventing displacement on the first carpet is placed on the first carpet. Tubing a loop-shaped pile lower than the shape-shaped pile, burying the loop-shaped pile between the cut-shaped piles, and forming the tip of the protrusion for preventing the displacement on the back surface of the floor mat as a bowl shape to prevent the displacement A floor mat misalignment prevention structure characterized in that the projection is easily caught on a pile in a loop shape.

Images