Package, method of manufacturing the package and packet of the package

Abstract

A package ( 10 ) has blisters ( 11 ) each having an embossed hollow ( 12 ) with an open end, for containing a tablet ( 15 ), and a flange ( 13 ) extending around the open end of the embossed hollow ( 12 ). The flanges ( 13 ) of the blisters ( 11 ) are bonded to a covering sheet 20. The blisters ( 11 ) are formed separately, and the flange ( 13 ) of each blister ( 11 ) has a circular shape.

1 . A package comprising: 
 a plurality of blisters each having an embossed hollow with an open end, for containing an article, and a flange extending around the open end of the embossed hollow; and    a covering sheet bonded to the flanges;    wherein the blisters are formed separately, and the covering sheet is bonded to the flanges of the blisters.    
     
     
         2 . The package according to  claim 1 , wherein 
 the flange of each blister has a circumferential edge defined by straight lines, curved lines or a combination of straight lines and curved lines.    
     
     
         3 . The package according to  claim 1 , wherein 
 the covering sheet is made of a composition containing a polyolefine resin and an inorganic filler, and the inorganic filler content of the composition is in the range of 30 to 60% by weight.    
     
     
         4 . The package according to  claim 1 , wherein 
 the covering sheet is a film containing an oriented polyethylene-2,6-naphthalate as a principal component to make the film easily tearable in a specific direction.    
     
     
         5 . The package according to  claim 1 , wherein 
 the covering sheet is a uniaxial oriented polypropylene film irradiated with an ionizing radiation to make the uniaxial oriented polypropylene resin film easily tearable in a specific direction.    
     
     
         6 . The package according to  claim 1 , wherein 
 at least the covering sheet or the blisters have a cut layer cut with a laser beam and a layer not cut with the laser beam.    
     
     
         7 . The package according to  claim 1 , wherein 
 at least the covering sheet or the blisters have a plastic film having cuts.    
     
     
         8 . The package according to  claim 1 , wherein the blisters are arranged close to each other so as to form breaking regions therebetween in the covering sheet.  
     
     
         9 . The package according to  claim 1 , wherein 
 each of the blisters has a plurality of embossed hollows, and the embossed hollows are connected to each other by a flange.    
     
     
         10 . A package capable of being wound in a roll, comprising: 
 a soft blister having a plurality of embossed hollows with open ends, for containing articles, and flanges extending around the open ends of the embossed hollows and interconnecting the embossed hollows; and    a soft covering sheet bonded to the flanges;    wherein a ring having a through hole corresponding to the open end of the embossed hollow is mounted on the soft blister or the soft covering sheet.    
     
     
         11 . The package according to  claim 10 , wherein 
 the ring is disposed on the surface of the flange opposite to the covering sheet so that the embossed hollow is fitted in the through hole of the ring.    
     
     
         12 . The package according to  claim 10 , wherein 
 the ring is disposed on the surface of the covering sheet opposite to the flange of the blister so that the through hole thereof coincides with the open end of the embossed hollow.    
     
     
         13 . The package according to  claim 10 , wherein 
 the ring is disposed between the covering sheet and the flange so that the through hole thereof coincides with the open end of the embossed hollow.    
     
     
         14 . The package according to  claim 10 , wherein 
 the ring is made of a shape memory material which shrinks at temperatures in the range of 30 to 40° C.    
     
     
         15 . The package according to  claim 10 , wherein 
 the ring is made of a water-soluble material.    
     
     
         16 . The package according to  claim 10 , wherein 
 the ring is harder as compared with the blister and the covering sheet.    
     
     
         17 . A package capable of being wound in a roll, comprising: 
 a soft blister having a plurality of embossed hollows with open ends, for containing articles therein, and flanges extending around the open ends of the embossed hollows and interconnecting the embossed hollows; and    a soft covering sheet bonded to the flanges;    wherein a reinforcing paper sheet provided with through holes corresponding to the open ends of the embossed hollows is attached to the soft blisters or the soft covering sheet.    
     
     
         18 . The package according to  claim 17 , wherein 
 the reinforcing paper sheet is disposed on the surface of the flanges opposite to the covering sheet so that the embossed hollows are fitted in the through holes of the reinforcing paper.    
     
     
         19 . The package according to  claim 17 , wherein 
 the reinforcing paper sheet is disposed on the surface of the covering sheet opposite to the flanges of the blisters so that the through holes thereof coincided with the open ends of the embossed hollows.    
     
     
         20 . The package according to  claim 17 , wherein 
 the reinforcing paper sheet is made of a paper which softens by absorbing water.    
     
     
         21 . The package according to  claim 17 , wherein 
 the reinforcing paper sheet is harder as compared with the blisters and the covering sheet.    
     
     
         22 . A package capable of being wound in a roll, comprising: 
 a plurality of soft blisters each having an embossed hollow with an open end, for containing an article, and a flange extending around the open end of the embossed hollow; and    a soft covering sheet bonded to the flanges of the blisters;    wherein a ring having a through hole corresponding to the open end of the embossed hollow is mounted on the soft blisters or on the soft covering sheet.    
     
     
         23 . The package according to  claim 22 , wherein 
 the ring is disposed on the surface of the flange opposite to the covering sheet so that the embossed hollow is fitted in the through hole thereof.    
     
     
         24 . The package according to  claim 22 , wherein 
 the ring is disposed on the surface of the covering sheet opposite to the flange so that the through hole thereof coincides with the open end of the embossed hollow.    
     
     
         25 . The package according to  claim 22 , wherein 
 the ring is disposed between the covering sheet and the flanges so that the through hole thereof coincides with the open end of the embossed hollow.    
     
     
         26 . The package according to  claim 22 , wherein 
 the ring is made of a shape memory material which shrinks at temperatures in the range of 30 to 40° C.    
     
     
         27 . The package according to  claim 22 , wherein 
 the ring is made of a water-soluble material.    
     
     
         28 . The package according to  claim 22 , wherein 
 the ring is harder as compared with the blisters and the covering sheet.    
     
     
         29 . The package according to  claim 22 , wherein 
 the soft blisters are arranged closely so as to form breaking regions therebetween in the covering sheet.    
     
     
         30 . The package according to  claim 22 , wherein 
 each of the blisters has a plurality of embossed hollows, and the embossed hollows are connected to each other by a flange.    
     
     
         31 . A method of manufacturing a package, comprising the steps of: 
 forming an embossed sheet having a plurality of embossed hollows by embossing a blister forming sheet between a male die and a female die;    cutting the embossed sheet held on a lower die having cavities for receiving the embossed hollows to form blisters each having the embossed hollow and a flange extending around the embossed hollow, and winding up a scrap produced by cutting out the blisters from the embossed sheet;    placing articles into the embossed hollows of the blisters held on the lower die, respectively; and    bonding a covering sheet to the flanges of the blisters held on the lower die.    
     
     
         32 . A method of manufacturing a package according to  claim 31 , wherein 
 the embossed sheet is cut so that each of the flanges has a circumferential edge defined by straight lines, curved lines or a combination of straight lines and curved lines.    
     
     
         33 . A package packet comprising: 
 a package capable of being wound in a roll, comprising a plurality of soft blisters each having an embossed hollow with an open end, for containing an article, and a flange extending around the open end of the embossed hollow, a soft covering sheet bonded to the flanges of the blisters, and a ring having a through hole corresponding to the open end of the embossed hollow and mounted on the soft blister or the soft covering sheet; and    a container containing the rolled package.    
     
     
         34 . The package packet according to  claim 33 , wherein 
 the plurality of blisters of the package are formed separately.    
     
     
         35 . The package packet according to  claim 34 , wherein 
 the ring is disposed on the surface of the flange opposite to the covering sheet so that the embossed hollow is fitted in the through holes thereof.    
     
     
         36 . The package packet according to  claim 34 , wherein 
 the rig is disposed on the surface of the covering sheet opposite to the flange so that the through hole thereof coincides with the open end of the embossed hollows.    
     
     
         37 . The package packet according to  claim 34 , wherein 
 the ring is disposed between the covering sheet and the flange so that the through holes thereof coincides with the open end of the embossed hollows.    
     
     
         38 . The package packet according to  claim 33 , wherein 
 the each of the blisters of the package has a plurality of embossed hollows, and a flange extending around the plurality of embossed hollows and interconnecting the embossed hollows.    
     
     
         39 . The package packet according to  claim 38 , wherein 
 the ring is disposed on the surface of the flanges opposite to the covering sheet so that the embossed hollow is fitted in the through hole thereof.    
     
     
         40 . The package packet according to  claim 38 , wherein 
 the ring is disposed on the surface of the covering sheet opposite to the flange so that the through hole thereof coincides with the open end of the embossed hollow.    
     
     
         41 . The package packet according to  claim 38 , wherein 
 the ring is disposed between the covering sheet and the flange so that the through hole thereof coincides with the open end of the embossed hollows.