Laminated sheet suitable for package, container using the laminated sheet, and package containing the laminated sheet and container

Abstract

A laminated sheet or a container includes: an absorbing layer absorbing at least one of liquid and gas; a reinforcing layer laminated on the absorbing layer with an adhesive layer interposed therebetween; an aluminum layer laminated on the reinforcing layer with an adhesive layer interposed therebetween; and a barrier layer laminated on the aluminum layer with an adhesive layer interposed therebetween and suppressing entry of at least one of liquid and gas.

What is claimed is: 
     
         1 . A laminated sheet comprising:
 an absorbing layer absorbing at least one of liquid and gas;   a reinforcing layer laminated on said absorbing layer with an adhesive layer interposed therebetween;   an aluminum layer laminated on said reinforcing layer with an adhesive layer interposed therebetween; and   a barrier layer laminated on said aluminum layer with an adhesive layer interposed therebetween and suppressing entry of at least one of liquid and gas.   
     
     
         2 . The laminated sheet according to  claim 1 , wherein
 said reinforcing layer is formed of one selected from a group consisting of biaxially-oriented polyamide, polyethylene terephthalate, and polyvinyl chloride.   
     
     
         3 . The laminated sheet according to  claim 1 , wherein
 said reinforcing layer and said barrier layer are formed of biaxially-oriented polyamide.   
     
     
         4 . The laminated sheet according to  claim 1 , wherein
 said reinforcing layer is formed of polyethylene terephthalate or polyvinyl chloride, and   said barrier layer is formed of biaxially-oriented polyamide.   
     
     
         5 . The laminated sheet according to  claim 1 , wherein
 said reinforcing layer is formed of biaxially-oriented polyamide, and   said barrier layer is formed of polyethylene terephthalate.   
     
     
         6 . The laminated sheet according to  claim 1 , wherein
 said reinforcing layer and said barrier layer are formed of polyethylene terephthalate.   
     
     
         7 . The laminated sheet according to  claim 1 , wherein
 as for said reinforcing layer, with regard to a direction transverse to a drawn direction,   a tensile fracture strength P TD  falls within a range of equal to or more than 55 MPa and less than 360 MPa, and   a tensile fracture elongation L TD  falls within a range of more than 45% and less than 430%.   
     
     
         8 . The laminated sheet according to  claim 1 , wherein
 as for said reinforcing layer, with regard to a direction transverse to a drawn direction,   a tensile fracture strength P TD  falls within a range of equal to or more than 55 MPa and equal to or less than 290 MPa, and   a tensile fracture elongation L TD  falls within a range of equal to or more than 65% and equal to or less than 210%.   
     
     
         9 . A container having a recessed holding space formed therein, the container comprising:
 an absorbing layer absorbing at least one of liquid and gas;   a reinforcing layer laminated on said absorbing layer with an adhesive layer interposed therebetween;   an aluminum layer laminated on said reinforcing layer with an adhesive layer interposed therebetween; and   a barrier layer laminated on said aluminum layer with an adhesive layer interposed therebetween and suppressing entry of at least one liquid and gas.   
     
     
         10 . The container according to  claim 9 , wherein
 said reinforcing layer is formed of one selected from a group consisting of biaxially-oriented polyamide, polyethylene terephthalate, and polyvinyl chloride.   
     
     
         11 . The container according to  claim 9 , wherein
 said reinforcing layer and said barrier layer are formed of biaxially-oriented polyamide.   
     
     
         12 . The container according to  claim 9 , wherein
 said reinforcing layer is formed of polyethylene terephthalate or polyvinyl chloride, and   said barrier layer is formed of biaxially-oriented polyamide.   
     
     
         13 . The container according to  claim 9 , wherein
 said reinforcing layer is formed of biaxially-oriented polyamide, and   said barrier layer is formed of polyethylene terephthalate.   
     
     
         14 . The container according to  claim 9 , wherein
 said reinforcing layer and said barrier layer are formed of polyethylene terephthalate.   
     
     
         15 . The container according to  claim 9 , wherein
 as for said reinforcing layer, with regard to a direction transverse to a drawn direction,   a tensile fracture strength P TD  falls within a range of equal to or more than 55 MPa and less than 360 MPa, and   a tensile fracture elongation L TD  falls within a range of more than 45% and less than 430%.   
     
     
         16 . The container according to  claim 9 , wherein
 as for said reinforcing layer, with regard to a direction transverse to a drawn direction,   a tensile fracture strength P TD  falls within a range of equal to or more than 55 MPa and equal to or less than 290 MPa, and   a tensile fracture elongation L TD  falls within a range of equal to or more than 65% and equal to or less than 210%.   
     
     
         17 . A package holding therein a solid preparation (from which one containing solifenacin succinate or 1-{[(alpha-isobutanoyloxyethoxy)carbonyl]aminomethyl}-1-cyclohexaneacetic acid is excluded), the package comprising:
 a container having a recessed holding space holding the solid preparation therein formed therein;   a cover covering the holding space and provided with airtightness;   an absorbing layer provided, in said container, on a side where the solid preparation is held and absorbing at least one of liquid and gas;   a reinforcing layer provided in said container and laminated on said absorbing layer with an adhesive layer interposed therebetween;   an aluminum layer provided in said container and laminated on said reinforcing layer with an adhesive layer interposed therebetween; and   a barrier layer provided in said container, laminated on said aluminum layer with an adhesive layer interposed therebetween, and suppressing entry of at least one of liquid and gas.   
     
     
         18 . The package according to  claim 17 , wherein
 said reinforcing layer is formed of one selected from a group consisting of biaxially-oriented polyamide, polyethylene terephthalate, and polyvinyl chloride.   
     
     
         19 . The package according to  claim 17 , wherein
 said reinforcing layer and said barrier layer are formed of biaxially-oriented polyamide.   
     
     
         20 . The package according to  claim 17 , wherein
 said reinforcing layer is formed of polyethylene terephthalate or polyvinyl chloride, and   said barrier layer is formed of biaxially-oriented polyamide.