Storage package for string-like material and method for storing string-like material

Abstract

A tubular storage package which stores a string-like material includes a tubular core rod which is mounted in a center of a bottom of the storage container, the string-like material is a plurality of continuous loop shapes, a storage starting end of the string-like material protrudes, and a winding center of each loop of the plurality of loops is deviated around an axis of the storage container and the loop is laminated.

1 . A storage package, comprising:
 a storage container which stores a string-like material; and   a tubular core rod mounted in a center of a bottom of the storage container,   wherein the string-like material is a plurality of continuous loop shapes, and each loop of the plurality of loop shapes is laminated so that a winding center is deviated around an axis of the storage container.   
     
     
         2 . The storage package according to  claim 1 , wherein the plurality of continuous loops have substantially the same shapes. 
     
     
         3 . The storage package according to  claim 1 , wherein the string-like material forming the plurality of loops is disposed so as to enclose the core rod which is mounted on the storage container. 
     
     
         4 . The storage package according to  claim 1 , wherein at least a portion of each loop of the plurality of loop shapes is disposed so as to pass the vicinity of an outer wall of the core rod of the storage container and the vicinity of an inner wall surface of the storage container. 
     
     
         5 . The storage package according to  claim 1 , wherein:
 the vicinity of an outer wall of the core rod of the storage container is a region in which a distance from the outer wall of the core rod is within 30% of a difference between a radius of the storage container and a radius of the core rod; and   the vicinity of an the inner wall surface of the storage container is a region within 30% of the difference between the radius of the storage container and the radius of the core rod.   
     
     
         6 . The storage package according to  claim 1 , wherein a minimum bending radius R of each loop of the plurality of loop shapes is equal to or more than a radius of the core rod. 
     
     
         7 . The storage package according to  claim 1 , wherein when a distance between two adjacent points in which the loop shapes of the string-like material cross is represented by a (mm) and an outer diameter of the string-like material is represented by d (mm) in the innermost circumference side of the storage container, such that a relationship of d<a<10d is satisfied. 
     
     
         8 . The storage package according to  claim 1 , wherein a height of the tubular core rod is 100% to 150% of a highest lamination height of the laminated string-like material. 
     
     
         9 . The storage package according to  claim 1 , wherein the string-like material is a hollow string. 
     
     
         10 . The storage package according to  claim 1 , wherein the string-like material is a hollow braided string. 
     
     
         11 . The storage package according to  claim 1 , wherein a storage starting end of the string-like material is disposed in a position which is at least higher than a highest lamination height of the laminated string-like material. 
     
     
         12 . The storage package according to  claim 11 , wherein the storage starting end of the string-like material protrudes outside the storage container. 
     
     
         13 . A method for storing a string-like material, the method comprising the steps of:
 rotating a storage container such that string-like materials disposed in the container cross at a certain position while the storage container is rotated twice;   deviating a disposition trajectory of a the string-like material formed during one period T (second) of a periodic change of a rotational speed R (rpm) in a rotational direction of the storage container or in a direction opposite to the rotational direction; and   setting a supply speed v (m/minute) of the string-like material, one period T (second), and the rotational speed R (rpm) of the storage container so that an average rotational speed R a  (rpm) of the storage container during one period T (second) satisfies Equation (1):
     R   a   >v/L   (1)
 
   wherein:   L (m) is a circumference of the inner wall surface side of the storage container; and   the method stores the string-like material in the rotating storage container by periodically repeating a change pattern in which the rotational speed R of the storage container is gradually decreased after being gradually increased or the rotational speed R is gradually increased after being decreased while the string-like material is supplied into the storage container at a constant speed.   
     
     
         14 . The method according to  claim 13 , further comprising:
 setting the change pattern of the rotational speed (R) (rpm) of the storage container so that a portion of the disposition trajectory of the string-like material formed when the storage container is rotated once passes through the vicinity of an outer wall of a core rod of the storage container and the vicinity of an inner wall surface of the storage container.   
     
     
         15 . The method for storing the string-like material according to  claim 14 , wherein:
 the vicinity of an outer wall of the core rod is a region within 30% of a difference between a radius of the storage container and a radius of the core rod; and   the vicinity of an inner wall surface is a region within 30% of the difference between the radius of the storage container and the radius of the core rod.   
     
     
         16 . The method according to  claim 13 , wherein R a  satisfies Equation (2):
   6 v/ 5 L<R   a <4 v/L   (2).
   
     
     
         17 . The method according to  claim 13 , further comprising:
 setting a bending radius R of the disposition trajectory of the string-like material so that a relationship of L/4π<R<L<2π is satisfied.   
     
     
         18 . The method according to  claim 13 , wherein d<a<10d is satisfied when a distance between a starting point and an ending point of the disposition trajectory of the string-like material formed during one period T (second) of a periodic change of the rotational speed R (rpm) is represented by a (mm) and an outer diameter of the string-like material is represented by d (mm). 
     
     
         19 . The method according to  claim 13 , further comprising:
 setting the change pattern of the rotational speed R (rpm) of the storage container so that the disposition trajectory of the string-like material formed when the storage container is rotated twice encloses a rotating shaft of the storage container.   
     
     
         20 . The method according to  claim 13 , wherein R a  satisfies Equation (3):
   6 v/ 5 L<R   a <12 v/ 5 L   (3).
   
     
     
         21 . The method according to  claim 13 , wherein Equation (4) is satisfied when a change width of the rotational speed of the storage container is represented by R w  (rpm):
   0.64 R   a   <R   w <2 R   a   (4).
   
     
     
         22 . The method according to  claim 13 , further comprising:
 supplying the string-like material to the storage container from above the storage container and the vicinity of the inner wall surface.   
     
     
         23 . The method according to  claim 13 , wherein the string-like material is a hollow string. 
     
     
         24 . The method according to  claim 13 , wherein the string-like material is a hollow braided string.