Method for Forming Three-Dimensional Patterns using Double Raschel Knitted Fabric

Abstract

The present invention relates to a method for forming a three-dimensional pattern using a double Raschel knitted fabric, and more particularly, to a method for forming a three-dimensional pattern using a double Raschel knitted fabric, in which the facilitation of formation of visually aesthetic patterns can be ensured through a simple process during the surface-molding of the double Raschel knitted fabric having a feeling of volume and a cushion feeling, and in which the double Raschel knitted fabric can be given an adhesive property or a high abrasion resistance, or an adhesive property and a high abrasion resistance.

What is claimed is: 
     
         1 . A method for forming a three-dimensional pattern using a double Raschel knitted fabric composed of an upper layer L 1 , a lower layer L 2 , and an intermediate layer L 3  that interconnects the upper and layer L 1  and the lower layer L 2 , the method comprising surface-molding the double Raschel knitted fabric into the three-dimensional pattern by compressing the surface of the double Raschel knitted fabric at a temperature of 100-200° C. and a pressure of 10-70 kg/cm 2  for 10-60 seconds using a mold formed with an engraved part so that a protruded part  20   a  is formed at a portion of the double Raschel knitted fabric, which corresponds to the engraved part of the mold, and a compressed part  20   b  is formed at the remaining portion other than the protruded part  20   a  of the double Raschel knitted fabric to thereby form the three-dimensional pattern. 
     
     
         2 . The method according to  claim 1 , wherein the upper layer L 1  of the double Raschel knitted fabric is formed of a TPU yarn  22 ,
 wherein the lower layer L 2  thereof is formed of a yarn  21  coated with a hotmelt resin, 
 wherein the intermediate layer L 3  thereof is formed of a fabric yarn  23 , 
 wherein the yarn  21  coated with a hotmelt resin is formed such that a hotmelt resin  21   d  is coated on the outer surface of a fabric yarn  21   c  consisting of a core  21   a  and a sheath  21   b  in an amount of 0.03-0.3 g/m 2 , 
 wherein the fabric yarn  21   c  is selected from among a polyester yarn, a nylon yarn, and a cotton yarn, which are used alone or in combination of two or more thereof, and 
 wherein the hotmelt resin  21   d  is selected from among a polyester resin, a polyurethane resin, an acrylic resin, a polyimide resin, an ethylene vinyl acetate resin, and a polyolefin resin, which are used alone or in combination of two or more thereof. 
 
     
     
         3 . The method according to  claim 1 , wherein the upper layer L 1  and the intermediate layer L 3  of the double Raschel knitted fabric are formed of a fabric yarn  23 ,
 wherein the lower layer L 2  thereof is formed of a yarn  21  coated with a hotmelt resin, 
 wherein the yarn  21  coated with a hotmelt resin is formed such that a hotmelt resin  21   d  is coated on the outer surface of a fabric yarn  21   c  consisting of a core  21   a  and a sheath  21   b  in an amount of 0.03-0.3 g/m 2 , 
 wherein the fabric yarn  21   c  is selected from among a polyester yarn, a nylon yarn, and a cotton yarn, which are used alone or in combination of two or more thereof, and 
 wherein the hotmelt resin  21   d  is selected from among a polyester resin, a polyurethane resin, an acrylic resin, a polyimide resin, an ethylene vinyl acetate resin, and a polyolefin resin, which are used alone or in combination of two or more thereof. 
 
     
     
         4 . The method according to  claim 1 , wherein the upper layer L 1  of the double Raschel knitted fabric is formed of a yarn  21  coated with a hotmelt resin,
 wherein the lower layer L 2  and the intermediate layer L 3  thereof are formed a fabric yarn  23 , 
 wherein the yarn  21  coated with a hotmelt resin is formed such that a hotmelt resin  21   d  is coated on the outer surface of a fabric yarn  21   c  consisting of a core  21   a  and a sheath  21   b  in an amount of 0.03-0.3 g/m 2 , 
 wherein the fabric yarn  21   c  is selected from among a polyester yarn, a nylon yarn, and a cotton yarn, which are used alone or in combination of two or more thereof, and 
 wherein the hotmelt resin  21   d  is selected from among a polyester resin, a polyurethane resin, an acrylic resin, a polyimide resin, an ethylene vinyl acetate resin, and a polyolefin resin, which are used alone or in combination of two or more thereof. 
 
     
     
         5 . The method according to  claim 1 , wherein the upper layer L 1  and the lower layer L 2  of the double Raschel knitted fabric are formed of a yarn  21  coated with a hotmelt resin,
 wherein the intermediate layer L 3  thereof is formed a fabric yarn  23 , 
 wherein the yarn  21  coated with a hotmelt resin is formed such that a hotmelt resin  21   d  is coated on the outer surface of a fabric yarn  21   c  consisting of a core  21   a  and a sheath  21   b  in an amount of 0.03-0.3 g/m 2 , 
 wherein the fabric yarn  21   c  is selected from among a polyester yarn, a nylon yarn, and a cotton yarn, which are used alone or in combination of two or more thereof, and 
 wherein the hotmelt resin  21   d  is selected from among a polyester resin, a polyurethane resin, an acrylic resin, a polyimide resin, an ethylene vinyl acetate resin, and a polyolefin resin, which are used alone or in combination of two or more thereof. 
 
     
     
         6 . The method according to  claim 1 , wherein the upper layer L 1  of the double Raschel knitted fabric is formed of a yarn  21  coated with a hotmelt resin,
 wherein the lower layer L 2  thereof is formed of a TPU yarn  22 , 
 wherein the intermediate layer L 3  thereof is formed a fabric yarn  23 , 
 wherein the yarn  21  coated with a hotmelt resin is formed such that a hotmelt resin  21   d  is coated on the outer surface of a fabric yarn  21   c  consisting of a core  21   a  and a sheath  21   b  in an amount of 0.03-0.3 g/m 2 , 
 wherein the fabric yarn  21   c  is selected from among a polyester yarn, a nylon yarn, and a cotton yarn, which are used alone or in combination of two or more thereof, and 
 wherein the hotmelt resin  21   d  is selected from among a polyester resin, a polyurethane resin, an acrylic resin, a polyimide resin, an ethylene vinyl acetate resin, and a polyolefin resin, which are used alone or in combination of two or more thereof.