Toilet paper roll and method of manufacturing the paper roll

Abstract

A toilet paper roll capable of remarkably reducing unwinding noise when used as a toilet paper roll, improving a refuse treatment measure by easily crushing and disposing off a thick core of the paper roll, reducing the production cost of the paper roll, flowing the thick core into a toilet and, when used, allowed to be recovered generally to a circular section form for practical use while the storage and transportation costs of the paper roll are reduced, comprising the thick core( 1 ) made of thin paper of approx. 4 cm in outside diameter and toilet paper( 2 ) generally softly wound on the thick core( 1 ) from the first to the last, wherein the thic kcore( 1 ) is formed flat as required, and the toilet paper( 2 ) is also formed in a flat elliptic shape so as to follow up the flat thick core( 1 ).

1 . A toilet paper roll characterized in comprising: 
 a thick tubular core which is manufactured from thin paper and has a diameter of approximately 4 cm; and toilet paper which is wound substantially loosely from beginning to end around this thick tubular core.    
     
     
         2 . A toilet paper roll characterized in comprising: 
 a thick tubular core which is manufactured from thin paper and has a diameter of approximately 4 cm; and toilet paper which is wound around this thick tubular core tightly in the initial several turns and thereafter wound substantially loosely to the end, thereby being wound substantially loosely as a whole.    
     
     
         3 . A toilet paper roll characterized in comprising: 
 a thick tubular core which is manufactured from thin paper and has a diameter of approximately 4 cm; and toilet paper which is wound around this thick tubular core tightly for several turns at a part excluding the initial part and thereafter wound substantially loosely, thereby being wound substantially loosely as a whole.    
     
     
         4 . The toilet paper roll according to  claim 1 ,  2  or  3 , characterized in that said thick tubular core is manufactured from percolation paper.  
     
     
         5 . A toilet paper roll characterized in comprising a thick tubular core which is manufactured from thin paper and has a diameter of approximately 4 cm and toilet paper which is wound substantially loosely from beginning to end around this thick tubular core, and characterized in that said thick tubular core is formed into a flat shape and said toilet paper is also formed into a flat elliptical shape in compliance with said flat thick tubular core.  
     
     
         6 . A toilet paper roll characterized in comprising a thick tubular core which is manufactured from thin paper and has a diameter of approximately 4 cm and toilet paper which is wound around this thick tubular core tightly in the initial several turns and thereafter wound substantially loosely to the end, thereby being wound substantially loosely as a whole, and characterized in that said thick tubular core is formed into a flat shape and said toilet paper is also formed into a flat elliptical shape in compliance with said flat thick tubular core.  
     
     
         7 . A toilet paper roll characterized in comprising a thick tubular core which is manufactured from thin paper and has a diameter of approximately 4 cm and toilet paper which is wound around this thick tubular core tightly for several turns at a part excluding the initial part and thereafter wound substantially loosely, thereby being wound substantially loosely as a whole, and characterized in that said thick tubular core is formed into a flat shape and said toilet paper is also formed into a flat elliptical shape in compliance with said flat thick tubular core.  
     
     
         8 . The toilet paper roll according to  claim 5 ,  6  or  7 , characterized in being formed such that during the formation of said toilet paper into a flat elliptical shape, there is no compression yield point at which, when a compressive load of a prescribed value is applied to a semi-manufactured toilet paper roll, the amount of displacement increases even without applying further pressure, and such that the amount of displacement only increases under pressure that increases gradually in the range of half or less the compressive load of said prescribed value.  
     
     
         9 . A toilet paper roll characterized in comprising a thick tubular core which is manufactured from thin paper and has a diameter of approximately 4 cm and toilet paper which is wound substantially loosely around this thick tubular core from beginning to end, and characterized in that said thick tubular core is formed into a substantially flat shape having fig-like expanded portions on both sides, and said toilet paper is also formed into a flat elliptical shape in compliance with said substantially flat thick tubular core.  
     
     
         10 . A toilet paper roll characterized in comprising a thick tubular core which is manufactured from thin paper and has a diameter of approximately 4 cm and toilet paper which is wound around this thick tubular core tightly in the initial several turns and thereafter wound substantially loosely to the end, thereby being wound substantially loosely as a whole, and characterized in that said thick tubular core is formed into a substantially flat shape having fig-like expanded portions on both sides, and said toilet paper is also formed into a flat elliptical shape in compliance with said substantially flat thick tubular core.  
     
     
         11 . A toilet paper roll characterized in comprising a thick tubular core which is manufactured from thin paper and has a diameter of approximately 4 cm and toilet paper which is wound around this thick tubular core tightly for several turns at a part excluding the initial part and thereafter wound substantially loosely, thereby being wound substantially loosely as a whole, and characterized in that said thick tubular core is formed into a substantially flat shape having fig-like expanded portions on both sides, and said toilet paper is also formed into a flat elliptical shape in compliance with said substantially flat thick tubular core.  
     
     
         12 . The toilet paper roll according to  claim 9 ,  10  or  11 , characterized in being formed such that during the formation of said toilet paper into a flat elliptical shape, there is no compression yield point at which, when a compressive load of a prescribed value is applied to a semi-manufactured toilet paper roll, the amount of displacement increases even without applying further pressure, and such that the amount of displacement only increases under pressure that increases gradually in the range of half or less the compressive load of said prescribed value.  
     
     
         13 . A manufacturing method for a toilet paper roll, characterized in comprising the steps of: 
 manufacturing a semi-manufactured toilet paper roll comprising a thick tubular core which is made of thin paper and which has a diameter of approximately 4 cm, and toilet paper which is wound substantially loosely as a whole around this thick tubular core;    fixing and supporting this semi-manufactured toilet paper roll in a substantially outer diametrical position with facing pressing support plates; and    pressing the semi-manufactured toilet paper roll inward at a substantially central position in the two substantially orthogonal directions to the direction of spacing between the two pressing support plates using pressing portions on the ends of hydraulic cylinders, whereby the thick tubular core is formed into a substantially flat shape as a whole while forming fig-like expanded portions on the two end positions of the substantially flat thick tubular core, and the toilet paper is also formed into a flat elliptical shape in compliance with said substantially flat thick tubular core.    
     
     
         14 . A manufacturing method for a toilet paper roll, characterized in comprising the steps of: 
 manufacturing a semi-manufactured toilet paper roll comprising a thick tubular core which is made of thin paper and which has a diameter of approximately 4 cm, and toilet paper which is wound substantially loosely as a whole around this thick tubular core; and    stretching said thick tubular core by inserting two hole-widening round bars therein for forming said thick tubular core into a flat elliptical shape while pressing said thick tubular core inward from both sides using hydraulic cylinders in directions which are orthogonal to the spacing between said two hole-widening round bars while, whereby the thick tubular core is formed into a substantially flat shape as a whole while forming fig-like expanded portions on the two end positions of the substantially flat thick tubular core, and the toilet paper is also formed into a flat elliptical shape in compliance with said substantially flat thick tubular core.