Container for product with thin wall

Abstract

The present invention concerns a container having a body formed by wall or walls with a greater diameter S 1 and at least a neck with a diameter S 2 , container made from a semi-crystalline PET, having a wall thickness of less than 100 μm, substantially in the middle of its body and having a complex, three dimensional shape convenient for gripping, this part having a diameter S 3.

1 . A container having a body formed by at least one wall having a diameter S 1  and a neck with a diameter S 2 , the container being made from a semi-crystalline PET, having a wall thickness of less than 100 μm, substantially in the middle of its body and having a three dimensional shape that is so constructed and arranged to make it convenient for gripping, having a diameter S 3 .  
     
     
         2 . A container according to  claim 1 , wherein the part convenient for gripping is substantially in the middle of the container body and has a diameter S 3  smaller than S 1 .  
     
     
         3 . A container according to  claim 2 , wherein the ratio of diameter of the diameter S 1  to the diameter S 3  is 1.2:1 to 2:1.  
     
     
         4 . A packaging assembly comprising 
 a container having a body formed by a wall having a diameter S 1  and at least a neck with a diameter S 2 , the container being made from a semi-crystalline PET and having a wall thickness of less than 100 μm, substantially in the middle of its body;    a product in the container; and    closing means for closing off or distributing the product from the neck,    the container being substantially incompressible by the force of a hand when filled with the product.    
     
     
         5 . A packaging assembly according to  claim 4 , wherein the product is selected from the group consisting of pasty, liquid, semi-liquid, granular and powdered product.  
     
     
         6 . A packaging assembly according to  claim 4 , wherein said assembly has a high resistance to vertical and/or transverse loads.  
     
     
         7 . A packaging assembly according to  claim 4 , wherein said assembly supports a vertical and/or transverse loading of more than about 100 kg for a container having a weight of about 4 g.  
     
     
         8 . A packaging assembly comprising 
 a container having a body formed by a wall with a diameter S 1  and at least one neck with a diameter S 2 , the container being made from a semi-crystalline PET and having a wall thickness of less than 100 μm, substantially in the middle of its body;    a product located in the container which contains a functional component; and    closing means for closing off or distributing the product from the neck.    
     
     
         9 . A packaging assembly according to  claim 8 , wherein the functional component is selected from the group consisting of a fibre, plant extract, fruit extracts, vitamins and flavors.  
     
     
         10 . A packaging assembly according to  claim 8 , wherein said assembly is pasteurised or sterilised at a temperature in excess of 60° C.  
     
     
         11 . A container according to  claim 1  comprising a base to support it in an upright position.  
     
     
         12 . A packaging assembly, according to  claim 4 , wherein the container has a form selected from the group consisting of a three dimensional shape convenient for gripping, an ovoid, spherical, elliptical and cylindrical shape.  
     
     
         13 . A container according to  claim 1 , wherein the wall thickness of said container, substantially in the middle of its body is between 30 and 70 μm.  
     
     
         14 . A container according to  claim 1 , wherein the ratio S 2  on S 1  is comprised between 1:2 and 1:15.  
     
     
         15 . A container according to  claim 1 , said container comprising on its outside a printing made by pad printing.  
     
     
         16 . A process for manufacturing a container comprising a body formed by at least one wall having a diameter S 1  and a neck with a diameter S 2 , the container being made from a semi-crystalline PET, having a wall thickness of less than 100 μm, substantially in the middle of its body and having a three dimensional shape that is so constructed and arranged to make it convenient for gripping having a diameter S 3 , wherein said container is obtained by blow moulding of a PET preform with high stretch index in comparison with the classical stretching of a preform.  
     
     
         17 . A container according to  claim 4  comprising a base to support it in an upright position.  
     
     
         18 . A container according to  claim 4 , wherein the wall thickness of said container, substantially in the middle of its body is between 30 and 70 μm.  
     
     
         19 . A container according to  claim 4 , wherein the ratio S 2  on S 1  is comprised between 1:2 and 1:15.  
     
     
         20 . A container according to  claim 4 , said container comprising on its outside a printing made by pad printing.  
     
     
         21 . A container according to  claim 8  comprising a base to support it in an upright position.  
     
     
         22 . A container according to  claim 8 , wherein the wall thickness of said container, substantially in the middle of its body is between 30 and 70 μm.  
     
     
         23 . A container according to  claim 8 , wherein the ratio S 2  on S 1  is comprised between 1:2 and 1:15.  
     
     
         24 . A container according to  claim 8 , said container comprising on its outside a printing made by pad printing.