US2008057245A1PendingUtilityA1

Liquid Container Material And Method Thereof

34
Assignee: BENNETT DALEPriority: Aug 31, 2006Filed: Aug 31, 2006Published: Mar 6, 2008
Est. expiryAug 31, 2026(~0.1 yrs left)· nominal 20-yr term from priority
Inventors:Dale BennettRobert FlahertyShawn Sharp
Y10T428/1376B65D 81/3897B32B 27/00
34
PatentIndex Score
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Cited by
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Claims

Abstract

Embodiments of the present invention include a method for making a non-wicking liquid container material comprising providing container stock material having a first side and a second side, applying a first layer of thermoplastic material to the first side of the container stock material, compressing the container stock material such that the first layer of thermoplastic material is pressed substantially through a portion of the container stock material, applying a second layer of thermoplastic material to the first side of the container stock material, and applying a layer of foam material to the first side of the container stock material.

Claims

exact text as granted — not AI-modified
1 . A method, comprising:
 providing container stock material having a first side and a second side;   applying a first layer of thermoplastic material to the first side of the container stock material;   compressing the container stock material such that the first layer of thermoplastic material is pressed substantially through a portion of the container stock material;   applying a second layer of thermoplastic material to the first side of the container stock material; and   applying a layer of foam material to the first side of the container stock material.   
     
     
         2 . The method of  claim 1 , wherein compressing the container stock material such that the first layer of thermoplastic material is pressed substantially through a portion of the container stock material further comprises applying a pressure between about 20 psi and about 120 psi. 
     
     
         3 . The method of  claim 1 , wherein compressing the container stock material such that the first layer of thermoplastic material is pressed substantially through a portion of the container stock material further comprises applying a pressure between about 60 psi and about 80 psi. 
     
     
         4 . The method of  claim 1 , wherein compressing the container stock material such that the first layer of thermoplastic material is pressed substantially through a portion of the container stock material further comprises applying a pressure of about 72 psi. 
     
     
         5 . The method of  claim 1 , wherein applying the first layer and the second layer of thermoplastic material comprises extrusion coating the container stock material. 
     
     
         6 . The method of  claim 1 , further comprising applying a third layer of thermoplastic material to an exposed side of the layer of foam material. 
     
     
         7 . The method of  claim 6 , wherein applying the third layer of thermoplastic comprises extrusion coating the exposed side of the layer of foam material. 
     
     
         8 . The method of  claim 1 , wherein applying the layer of foam material to the container stock material comprises laminating the at least one layer of foam material to the layer of container stock material. 
     
     
         9 . The method of  claim 8 , wherein laminating the layer of foam material to the container stock material comprises pulling both layers between two rollers having a nip such that the layer of foam material is not substantially compressed. 
     
     
         10 . The method of  claim 9 , wherein the nip is between about 28 mils to about 50 mils. 
     
     
         11 . The method of  claim 9 , wherein the nip is about 34 mils. 
     
     
         12 . The method of  claim 1 , wherein applying the layer of foam material to the container stock material comprises extruding the layer of foam material to the container stock material. 
     
     
         13 . The method of  claim 1 , further comprising applying a liquid primer to the first side of the container stock material prior to applying the first layer of thermoplastic material. 
     
     
         14 . The method of  claim 13 , further comprising applying the liquid primer using a gravure roller. 
     
     
         15 . The method of  claim 1 , further comprising applying a third layer of thermoplastic material to the second side of the container stock material. 
     
     
         16 . The method of  claim 15 , further comprising applying a liquid primer to the second side of container stock material prior to applying the third layer of thermoplastic material. 
     
     
         17 . A method, comprising:
 providing container stock material having a first side and a second side;   applying a liquid primer to the first side of the container stock material;   applying a first layer of thermoplastic material to the first side of the container stock material;   compressing the container stock material such that the first layer of thermoplastic material is pressed substantially through a portion of the container stock material;   applying a liquid primer to the second side of the container stock material;   applying a second layer of thermoplastic material to the second side of the container stock material;   applying a third layer of thermoplastic material to the first side of the container stock material; and   applying a layer of foam material to the first side of the container stock material.   
     
     
         18 . The method of  claim 17 , further comprising applying a fourth layer of thermoplastic material to an exposed side of the layer of foam material. 
     
     
         19 . A method, comprising:
 providing container stock material having a first side and a second side;   applying a liquid primer to the first side of the container stock material;   compressing the container stock material such that the liquid primer is pressed substantially through a portion of the container stock material;   applying a first layer of thermoplastic material to the first side of the container stock material; and   applying a layer of foam material to the first side of the container stock material.   
     
     
         20 . The method of  claim 19 , further comprising
 applying a liquid primer to the second side of the container stock material; and   applying a second layer of thermoplastic material to the second side of the container stock material.   
     
     
         21 . The method of  claim 19 , further comprising applying a third layer of thermoplastic material to an exposed side of the layer of foam material. 
     
     
         22 . A liquid container material, comprising:
 a layer of container stock material comprising a first side and a second side;   a first layer of thermoplastic material applied to the first side of the layer of container stock material, wherein the first layer of thermoplastic material is compressed substantially through a portion of the layer of container stock material; and   a layer of foam material applied to the first side of the layer of container stock material, wherein the at least one foam layer is applied with a second layer of thermoplastic material.   
     
     
         23 . The liquid container material of  claim 22 , further comprising a third layer of thermoplastic material applied to the second side of the layer of container stock material. 
     
     
         24 . The liquid container material of  claim 22 , further comprising a third layer of thermoplastic material applied to an exposed side of the layer of foam material. 
     
     
         25 . The liquid container material of  claim 22 , further comprising a layer of non-thermoplastic liquid-impermeable material applied to an exposed side of the layer of foam material. 
     
     
         26 . The liquid container material of  claim 25 , wherein the non-thermoplastic liquid-impermeable material is selected from the group consisting of acrylics, polyvinyl alcohol, and solvent-based primers. 
     
     
         27 . The liquid container material of  claim 22 , wherein the thermoplastic material is a polyethylene polymer. 
     
     
         28 . The material of  claim 26 , wherein the polyethylene polymer is selected from the group consisting of linear low density polyethylene, low density polyethylene, medium density polyethylene, high density polyethylene. 
     
     
         29 . The liquid container material of  claim 22 , wherein the thermoplastic material comprises a polypropylene polymer. 
     
     
         30 . The liquid container material of  claim 22 , wherein the layer of foam material comprises a polyethylene material. 
     
     
         31 . The liquid container material of  claim 22 , wherein the layer of foam material comprises a polystyrene material. 
     
     
         32 . The liquid container material of  claim 22 , further comprising a liquid primer applied to the first side of the layer of container stock material. 
     
     
         33 . A liquid container material, comprising:
 a layer of container stock material comprising a first side and a second side;   a first layer of thermoplastic material applied to the first side of the layer of container stock material, wherein the first layer of thermoplastic material is compressed substantially through a portion of the layer of container stock material;   a second layer of thermoplastic material applied to the second side of the layer of container stock material; and   a layer of foam material applied to the first side of the layer of container stock material, wherein the at least one foam layer is applied with a third layer of thermoplastic material.   
     
     
         34 . A liquid container material, comprising:
 a layer of container stock material comprising a first side and a second side;   a liquid primer applied to the first side of the layer of container stock material, wherein the liquid primer is compressed substantially through a portion of the layer of container stock material; and   a layer of foam material applied to the first side of the layer of container stock material, wherein the at least one foam layer is applied with a layer of thermoplastic material.

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