Manufacturing method, processing apparatus and manufactured article for high tenacity reflective yarn

Abstract

A manufacturing method for high tenacity reflective yarn, comprising the steps of providing a plurality of high tenacity yarns to a processing apparatus, introducing first and second reflective films to the upper part and the lower part of the high tenacity reflective yarns, respectively heating in a first and a second oven to melt the viscose of the first and second reflective films, firmly transferring in the surface of the high tenacity yarns, and then rolled up the release paper from the high tenacity yarns to become the tenacity reflective yarns.

I claim: 
     
         1 . A manufacturing method for high tenacity reflective yarn, comprising the steps of:
 providing a plurality of high tenacity yarns ( 1 ) to a processing apparatus ( 100 );   transporting said high tenacity yarns ( 1 ) from a front end of the processing apparatus ( 100 ) toward a rear end thereof through first conveyor wheels ( 103 ) that makes the tenacity yarns ( 1 ) an interval therebetween, and introducing first reflective films ( 2 ) to a lower part of the high tenacity yarns ( 1 ) by a lower supplying wheel ( 21 ) disposed under the tenacity yarns ( 1 ), said first reflective films ( 2 ) being tightly attached to the lower part of the high tenacity yarns ( 1 ) through the first conveyor wheels ( 103 );   transporting the high tenacity yarns ( 1 ) by the first conveyor wheels ( 103 ) to an first oven ( 101 ) of the processing apparatus ( 100 ) for first time heating that will melt viscose ( 11 ) disposed in single face of the first reflective films ( 2 );   proceeding out of the first oven ( 1 ) and toward the rear end of the processing apparatus ( 100 ) by the second conveyor wheels ( 104 ), and introducing second inflective films ( 3 ) to a upper part of the higher tenacity yarns ( 1 ) by a upper supplying wheel ( 31 ) disposed above the tenacity yarns ( 1 ), said second reflective films ( 3 ) being tightly attached to the upper part of the high tenacity yarns ( 1 ) through the second conveyor wheels ( 104 );   transporting the high tenacity yarns ( 1 ) with said first and second reflective films ( 2 ),( 3 ) by the second conveyor wheels ( 104 ) to a second oven ( 102 ) for second time heating that will melt the viscose ( 11 ) disposed in the high tenacity yarns ( 1 );   proceeding out from the second oven ( 102 ) and transferring the melted viscose ( 11 ) of the second reflective films ( 3 ) to the upper part of the high tenacity yarns ( 1 ) by third conveyor wheels ( 105 ) that also make reflective glass microspheres ( 10 ) distributed in the viscose ( 11 ) to attach the upper part of the high tenacity yarns ( 1 ); after that, the transferred second reflective films ( 3 ) being turned into second release papers ( 3 ′), and then being rolled up by a upper reel ( 111 ), simultaneously the high tenacity yarns ( 1 ) still moving toward the end of the processing apparatus ( 100 );   transferring the melted viscose ( 11 ) of the first reflective films ( 2 ) to the lower part of the high tenacity yarns ( 1 ) by fourth conveyor wheels ( 106 ) that also make the reflective glass microspheres ( 10 ) distributed in the viscose ( 11 ) to attach the lower part of the high tenacity yarns ( 1 ); after that, the transferred first reflective films ( 2 ) being turned into first release papers ( 2 ′), and then being rolled up by a lower reel ( 112 ), thereby the high tenacity yarns ( 1 ) became high tenacity reflective yarns ( 200 ) having the viscose ( 11 ) and the reflective glass microspheres ( 10 ) attached therearound, simultaneously the high tenacity yarns ( 1 ) still moving toward the end of the processing apparatus ( 100 );   then, slitting the high tenacity reflective yarns ( 200 ) by slitting knife wheels ( 109 ) of the processing apparatus ( 100 ) to separate each high tenacity reflective yarn ( 200 );   finally, spreading each high tenacity reflective yarn ( 200 ) through spreading wheels ( 110 ).   
     
     
         2 . A manufacturing method according to  claim 1 , wherein said fourth conveyor wheels ( 106 ) have pressing wheels ( 107 ), ( 108 ) respectively arranged in front and/or rear thereof configured to press the viscose ( 11 ) and the reflective glass microspheres ( 10 ) of the high tenacity yarns ( 1 ). 
     
     
         3 . A manufacturing method according to  claim 1 , wherein said first and second reflective films ( 2 ),( 3 ), the viscose ( 11 ), and the reflective glass microspheres ( 10 ) are made by 3M Company. 
     
     
         4 . A manufacturing method according to  claim 1 , wherein said first to fourth conveyor wheels ( 103 - 105 ) have two wheels respectively arranged up and down, and pressed against each other that the pressure between two wheels is 2.5-3.5 kg. 
     
     
         5 . A manufacturing method according to  claim 1 , wherein the heating temperature of said first and second ovens ( 101 ,  102 ) is 100-120° C., and the length of the ovens ( 101 , 102 ) is at least 1 meter. 
     
     
         6 . A manufacturing method according to  claim 1 , wherein the high tenacity yarns ( 1 ) have an interval of 200 μm therebetween during in said first to fourth conveyor wheels ( 103 - 106 ); and each said conveyor wheel having a plurality of furrows arrayed in parallel to receive and guide the high tenacity yarns ( 1 ) for straight movement. 
     
     
         7 . A processing apparatus of high tenacity reflective yarn, said processing apparatus ( 100 ) according to a manufacturing method of  claim 1 , from front to rear sequentially comprising
 guide wheels ( 113 ) configured to pull the high tenacity yarns ( 1 );   the first conveyor wheels ( 103 ) including two up and down wheels configured to transport the high tenacity yarns ( 1 ) and the first reflective films ( 2 );   the first oven ( 101 ) configured to heat and melt the first reflective films ( 2 );   the second conveyor wheels ( 104 ) including up and down wheels configured to transport the high tenacity yarns ( 1 ), the first and second reflective films ( 2 ), ( 3 );   the second oven ( 102 ) configured to heat and melt the first and second reflective films ( 2 ), ( 3 );   the third conveyor wheels ( 105 ) including top and down wheels configured to transport the high tenacity yarns ( 1 ), the first and second reflective films ( 2 ), ( 3 );   the fourth conveyor wheels ( 106 ) including top and down wheels configured to transport the high tenacity yarns ( 1 ), the first and second reflective films ( 2 ), ( 3 );   the slitting knife wheels ( 109 ) including top and down knife corresponding wheels configured to separate every high tenacity reflective yarn ( 200 ); and   the spreading wheels ( 110 ) configured to spread the high tenacity reflective yarns ( 200 );   
     
     
         8 . A processing apparatus according to  claim 7 , wherein the first conveyor wheels ( 103 ) comprise the lower supplying wheel ( 21 ) therebelow configured to supply the first reflective films ( 2 ); the second conveyor wheels ( 104 ) comprise the upper supplying wheel ( 31 ) thereabove configured to supply the second reflective films ( 3 ); the third conveyor wheels ( 105 ) comprise the upper reel ( 111 ) thereabove configured to roll up the second release papers ( 3 ′); the fourth conveyor wheels ( 106 ) comprise the lower reel ( 112 ) therebelow configured to roll up the first release papers ( 2 ′). 
     
     
         9 . A processing apparatus according to  claim 7 , wherein the fourth conveyor wheels ( 106 ) have pressing wheels ( 107 ), ( 108 ) respectively arranged in front and/or rear thereof configured to press the viscose ( 11 ) and the reflective glass microspheres ( 10 ) of the high tenacity yarns ( 1 ). 
     
     
         10 . A high tenacity reflective yarn, said high tenacity reflective yarn ( 200 ) according to a manufacturing-method of  claim 1 , comprising
 the high tenacity yarn ( 1 ) made of a plurality of high tenacity yarns; and   the viscose ( 11 ) and the reflective glass microspheres ( 10 ) distributed in the surface of the high tenacity yarn ( 1 );   said high tenacity yarn ( 1 ) defined as a nylon yarn with 150-200 μm in diameter; the granularity of the reflective glass microsphere ( 10 ) being 200-270 meshes.