False eyelashes and manufacturing method therefor

Abstract

One aspect of the present invention relates to a method for manufacturing false eyelashes, and the false eyelashes in which an false eyelash part and an attachment part are integrally formed by injection molding, wherein the method comprises the steps of: preparing a mold; preparing a thermoplastic elastomer resin; and injecting the thermoplastic elastomer resin into an injection molding machine on which the mold is mounted so as to perform injection molding. The method for manufacturing the false eyelashes of the present invention has excellent production and economic feasibility, the quality of the manufactured false eyelashes is uniform, and the false eyelashes manufactured by the manufacturing method have excellent shape stability, elasticity, and can be provided in various colors and designs.

1 . A method of manufacturing a false eyelash structure, comprising:
 preparing a mold;   preparing a thermoplastic elastomer resin; and   performing injection molding by introducing the thermoplastic elastomer resin into an injection molding machine on which the mold is mounted.   
     
     
         2 . The method according to  claim 1 , wherein the injection molding is multistage injection molding using at least one mold and at least one thermoplastic elastomer resin. 
     
     
         3 . The method according to  claim 2 , wherein the method involves two-stage injection molding, and the method comprises:
 preparing a first mold;   preparing a first thermoplastic elastomer resin;   performing primary injection molding by introducing the first thermoplastic elastomer resin into an injection molding machine on which the first mold is mounted;   providing a false eyelash structure manufactured by the primary injection molding to a second mold; and   performing secondary injection molding by introducing a second thermoplastic elastomer resin into an injection molding machine on which the second mold is mounted.   
     
     
         4 . The method according to  claim 3 , wherein the first thermoplastic elastomer resin and the second thermoplastic elastomer resin are the same type of thermoplastic elastomer resin. 
     
     
         5 . The method according to  claim 3 , wherein the first thermoplastic elastomer resin and the second thermoplastic elastomer resin have different properties or colors. 
     
     
         6 . The method according to  claim 1 , wherein, in the injection molding, the mold has a temperature from 0° C. to 80° C. 
     
     
         7 . The method according to  claim 1 , wherein the injection molding machine comprises an injection portion, an intermediate portion, and a nozzle, and, in the injection molding, the injection portion has a temperature of 80° C. to 100° C., the intermediate portion has a temperature of 150° C. to 250° C., and the nozzle has a temperature of 200° C. to 300° C. 
     
     
         8 . The method according to  claim 1 , wherein the mold has a pressure of 5 MPa to 40 MPa, and an injection pressure ranges from 30 MPa to 100 MPa. 
     
     
         9 . The method according to  claim 1 , wherein the injection molding machine has a screw RPM of 30 RPM to 100 RPM. 
     
     
         10 . The method according to  claim 1 , wherein the injection molding has an injection time of 0.5 seconds to 20 seconds. 
     
     
         11 . A false eyelash structure comprising: an artificial hair part and an attachment part integrally formed through injection molding. 
     
     
         12 . The false eyelash structure according to  claim 11 , wherein the artificial hair part and the attachment part comprise an olefin, styrene, amide, ester, urethane, silicone, or PVC-based thermoplastic elastomer resin, the thermoplastic elastomer resin having a glass transition temperature of 80° C. or less. 
     
     
         13 . The false eyelash structure according to  claim 11 , wherein the artificial hair part is formed on one surface of the attachment part and comprises a plurality of artificial hairs of at least one type. 
     
     
         14 . The false eyelash structure according to  claim 12 , wherein the artificial hair part comprises at least two types of artificial hairs having different colors or properties. 
     
     
         15 . The false eyelash structure according to  claim 12 , wherein the artificial hair part comprises 3 to 100 artificial hairs, the artificial hairs having a length of 0.1 mm to 50 mm and a thickness of 0.05 mm to 2 mm. 
     
     
         16 . The false eyelash structure according to  claim 11 , wherein the attachment part is linear or curved, and has a length of 20 mm to 50 mm and a thickness of 0.05 mm to 2 mm. 
     
     
         17 . The false eyelash structure according to  claim 16 , wherein the attachment part is curved, and comprises a first curved portion and second curved portions or linear portions extending from opposite ends of the first curved portion. 
     
     
         18 . The false eyelash structure according to  claim 17 , wherein the first curved portion and the second curved portion have different curvatures or curvature directions. 
     
     
         19 . The false eyelash structure according to  claim 13 , wherein the attachment part is formed of the same type of thermoplastic elastomer resin as that of one type of the artificial hairs constituting the artificial hair part. 
     
     
         20 . The false eyelash structure according to  claim 13 , wherein the attachment part has a convex-concave pattern formed on at least one of the one surface and an opposite surface thereof.