Container lid with removable seal layer

Abstract

A lid includes a cover surface. A wall depends from the surface. A membrane has an uppermost surface and a bottommost surface and a first layer. The uppermost surface of the membrane is affixed to the cover surface and the bottommost layer is adapted to be affixed to a container. The strength of the bond with which the bottommost layer affixes to a container is greater than the strength of the bond by which the uppermost layer is affixed to the cover surface.

1 . A lid comprising: 
 a cover surface; and    a wall depending from said surface forming an enclosure;    a membrane having an uppermost surface and a bottommost surface and at least a first layer;    the uppermost surface being affixed to said cover surface within said enclosure and said bottommost layer being adapted to be affixed to a container, the strength of a bond with which said bottommost layer affixes to a container being greater than a strength of the bond by which the uppermost layer is affixed to the cover surface.    
   
   
       2 . The lid of  claim 1 , wherein said first layer is affixed to the cover by one of adhesive, weak weld, laser-function weld, compression weld, static charges, friction and melting the first layer to the cover surface.  
   
   
       3 . The lid of  claim 1 , wherein the first layer is affixed to said container by one of adhesive, laser-function weld, compression weld, friction adhesion, melting and static charge.  
   
   
       4 . The lid of  claim 1 , further comprising indicia on said first layer.  
   
   
       5 . The lid of  claim 1 , wherein said first layer is an oxygen scavenger.  
   
   
       6 . The lid of  claim 1 , further comprising an object disposed on said first layer.  
   
   
       7 . The lid of  claim 1 , wherein said membrane is an oxygen barrier.  
   
   
       8 . The lid of  claim 1 , wherein said first layer is formed of one of metal foil, plastic film, metal film and EVOH film.  
   
   
       9 . The lid of  claim 1 , wherein said first layer carries an aroma.  
   
   
       10 . A lid comprising: 
 a cover, said cover having a cover surface;    a wall depending from said cover surface forming an enclosure; and    a membrane having an uppermost surface and a bottommost surface and a first layer and at least a second layer being disposed between said first layer and said cover,    the uppermost surface being affixed to said cover surface within said enclosure and said bottommost surface being adapted to be affixed to a container, the strength of a bond by which said first layer is affixed to said at least second layer being less than the strength of the bond by which said uppermost surface is affixed to said cover surface and said bottommost surface is affixed to said container.    
   
   
       11 . The lid of  claim 10 , wherein said second layer is affixed to the cover by one of adhesive, weak weld, laser-function weld, compression weld, static charges, friction and melting the second layer to the cover surface.  
   
   
       12 . The lid of  claim 10 , wherein the second layer is affixed to said first layer by one of adhesive, weak weld, laser-function weld, compression weld, friction adhesion, melting and static charge.  
   
   
       13 . The lid of  claim 10 , wherein the first layer is affixed to said container by one of adhesive, weak weld, laser-function weld, compression weld, friction adhesion, melting and static charge.  
   
   
       14 . The lid of  claim 10 , further comprising indicia on at least one of said first layer and said second layer.  
   
   
       15 . The lid of  claim 10 , wherein at least one of said first and said second layer is an oxygen scavenger.  
   
   
       16 . The lid of  claim 10 , further comprising an object disposed on at least one of said first layer and said second layer.  
   
   
       17 . The lid of  claim 10 , wherein at least one of said first layer and said second layer is an oxygen barrier.  
   
   
       18 . The lid of  claim 10 , wherein at least one of said first and said second layer is formed of one of metal foil, plastic film, metal film or EVOH film, said metal foil and metal film remaining with said container, when said lid is removed from said container.  
   
   
       19 . The lid of  claim 10 , wherein at least one of said first and said second layer carries an aroma.  
   
   
       20 . A lid comprising: 
 a cover surface and a wall depending from said surface forming an enclosure;    a membrane having a topmost layer, a bottommost layer, and a plurality of intermediate layers disposed between said topmost layer and said bottommost layer, said lid being affixed to said cover surface within said enclosure;    said topmost layer, each layer of said plurality of layers, and said bottommost layer being affixed to each layer adjacent to it, said uppermost layer being affixed to said cover surface and said bottommost layer being adapted to be affixed to a container; and    the strength of a bond between a first one of said plurality of layers and an adjacent second one of said plurality of layers to which said first one of said plurality of layers is affixed, being less than the strength of the bond by which the uppermost layer is affixed to the cover surface and the strength of the bond with which said the bottommost layer affixes to a container.    
   
   
       21 . The lid of  claim 20 , wherein said first layer of said plurality of layers and said second layer of said plurality of layers are affixed to each other by one of adhesive, weak weld, laser function weld, compression weld, static charge and friction.  
   
   
       22 . The lid of  claim 20 , further comprising indicia on one of said first one of said plurality of layers and said second one of said plurality of layers.  
   
   
       23 . The lid of  claim 20 , wherein at least one of said first of the said plurality of layers and said second layer of said plurality of layers is an oxygen scavenger.  
   
   
       24 . The lid of  claim 20 , further comprising an object disposed on at least one of said first layer of said plurality of layers and said second layer of said plurality of layers.  
   
   
       25 . The lid of  claim 20 , wherein at least one of said first layer of said plurality of layers and said second layer of said plurality of layers is an oxygen barrier.  
   
   
       26 . The lid of  claim 20 , wherein at least one of said first layer of said plurality of layers and said second layer of said plurality of layers is formed from one of a plastic film or EVOH film.  
   
   
       27 . The lid of  claim 20 , wherein at least one of said first layer of said plurality of layers and said second layer of said plurality of layers carries an aroma.  
   
   
       28 . A container assembly comprising: 
 a lid having a cover surface and a wall depending from said surface;    a plastic membrane having an uppermost surface and a bottommost surface and at least a first layer; and    a container; said container having a top, said cover surface and wall enclosing said top, a lip formed on said container at said top, the uppermost surface being affixed to said cover surface and said bottommost layer being adapted to be affixed to said container, the strength of the bond with which said bottommost layer affixes to the container is substantially different than the strength of the bond by which the uppermost layer is affixed to the cover surface.    
   
   
       29 . The container assembly of  claim 28 , wherein said first layer is affixed to the cover by one of adhesive, weak weld, laser-function weld, compression weld, static charges, friction and melting the first layer to the cover surface.  
   
   
       30 . The container assembly of  claim 28 , wherein the first layer is affixed to said container by one of adhesive, laser-function weld, compression weld, friction adhesion, melting and static charge.  
   
   
       31 . The container assembly of  claim 28 , further comprising indicia on said first layer.  
   
   
       32 . The container assembly of  claim 28 , wherein said first layer is an oxygen scavenger.  
   
   
       33 . The container assembly of  claim 28 , further comprising an object disposed on said first layer.  
   
   
       34 . The container assembly of  claim 28 , wherein said first layer is formed of one of metal foil, plastic film, metal film and EVOH film.  
   
   
       35 . The container assembly of  claim 28 , wherein said first layer carries an aroma.  
   
   
       36 . The container assembly of  claim 28 , wherein said container is made from an oxygen barrier material.  
   
   
       37 . The container assembly of  claim 32 , wherein said container is made of an oxygen barrier material.  
   
   
       38 . A container assembly comprising: 
 a lid having a cover surface and a wall depending from said surface;    a membrane having a topmost layer, a bottommost layer and a plurality of intermediate layers disposed between said topmost layer and said bottommost layer;    said topmost layer, each layer of said plurality of layers, and said bottommost layer, each being affixed to each layer adjacent to it, said uppermost layer being affixed to said cover;    and a container, said container having a top, said cover surface and wall enclosing said top, a lip formed on said container at said top, the uppermost surface of said membrane being affixed to said cover surface and said bottommost layer of said membrane being affixed to said container, the strength of the bond between a first one of said plurality of layers and an adjacent second one of said plurality of layers to which said first one of said plurality of layers is affixed, being less than the strength of the bond by which the uppermost layers are affixed to the cover surface and the strength of the bond with which said bottommost layer is affixed to said container.    
   
   
       39 . The container assembly of  claim 38 , wherein said first layer of said plurality of layers and said second layer of said plurality of layers are affixed to each other by one of adhesive, weak weld, laser function weld, comprehension weld, static charge and friction.  
   
   
       40 . The container assembly of  claim 38 , further comprising indicia on one of said first one of said plurality of layers and said second one of said plurality of layers.  
   
   
       41 . The container assembly of  claim 38 , wherein at least one of said first of the said plurality of layers and said second layer of said plurality of layers is an oxygen scavenger.  
   
   
       42 . The container assembly of  claim 38 , further comprising an object disposed on at least one of said first layer of said plurality of layers and said second layer of said plurality of layers.  
   
   
       43 . The container assembly of  claim 38 , wherein at least one of said first layer of said plurality of layers and said second layer of said plurality of layers is an oxygen barrier.  
   
   
       44 . The container assembly of  claim 38 , wherein at least one of said first layer of said plurality of layers and said second layer of said plurality of layers is formed from one of metal foil, plastic film, metal film and all EVOH film.  
   
   
       45 . The container assembly of  claim 38 , wherein said container is formed of an oxygen barrier material.  
   
   
       46 . The container assembly of  claim 43 , wherein said container is formed of an oxygen barrier material.  
   
   
       47 . A method for manufacturing a lid comprising the steps of: 
 placing a membrane in an injection mold, said membrane being formed of a first layer and at least a second layer, the first layer being affixed to said second layer;    injection molding a lid in said mold, said lid having a cover surface, the cover surface being affixed to said first layer, the strength of a bond between said first layer and said at least second layer being less than the strength of a bond between said first layer and said cover surface.    
   
   
       48 . The method of  claim 47 , further comprising indicia on one of said first and second layer.  
   
   
       49 . The method of  claim 47 , wherein one of said first and second layer is formed of one of metal foil, plastic film, metal film and EVOH film.  
   
   
       50 . The method of  claim 47 , wherein one of said first and second layer carries an aroma.  
   
   
       51 . The method of  claim 47 , further comprising the step of disposing an object on said membrane.  
   
   
       52 . A method for manufacturing a lid comprising the steps of: 
 forming a membrane, said membrane having an uppermost layer, a bottommost layer, and a plurality of intermediate layers disposed between said uppermost layer and bottommost layer by affixing each respective layer to each layer adjacent thereto;    placing said membrane in said injection mold;    injection molding a lid in said mold about said membrane, said lid having a cover surface, and a wall depending therefrom to form an enclosure, said uppermost layer being attached to said cover surface, within said enclosure, the strength of a bond between a first one of said plurality of layers and an adjacent second one of said plurality of layers to which said first one of said plurality of layers is affixed, being less than the strength of the bond by which the uppermost layer is affixed to the cover surface.    
   
   
       53 . The method of  claim 52 , wherein said first layer of said plurality of layers and said second layer of said plurality of layers are affixed to each other by at least one of adhesive, weak weld, laser function weld, compression weld, static charge and friction.  
   
   
       54 . The method of  claim 52 , further comprising indicia on one of said first one of said plurality of layers and said second one of said plurality of layers.  
   
   
       55 . The method of  claim 52 , wherein at least one of said first of said plurality of layers and said second layer of said plurality of layers is an oxygen scavenger.  
   
   
       56 . The method of  claim 52 , further comprising the step of providing an object disposed on at least one of said first layer of said plurality of layers and said second layer of said plurality of layers.  
   
   
       57 . The method of  claim 52 , wherein at least one of said first layer of said plurality of layers and said second layer of said plurality of layers is an oxygen barrier.  
   
   
       58 . The method of  claim 52 , wherein at least one of said first layer of said plurality of layers and said second layer of said plurality of layers is formed from one of metal foil, plastic film, metal film and all EVOH film.  
   
   
       59 . The method of  claim 52 , wherein at least one of said first layer of said plurality of layers and said second layer of said plurality of layers carries an aroma.  
   
   
       60 . A method for manufacturing a lid comprising the steps of: 
 forming a cover having a cover surface and a wall depending from said cover surface;    forming a plastic membrane; and    affixing said membrane to an interior surface of said cover, within said enclosure, by one of adhesive, laser-function weld, compression weld, friction adhesion, melting and static charge.    
   
   
       61 . The method of  claim 60 , wherein said membrane includes at least a first layer, said first layer being an oxygen scavenger.  
   
   
       62 . The method of  claim 60 , wherein said membrane includes at least a first layer, said first layer is an oxygen barrier.  
   
   
       63 . The method of  claim 60 , further comprising the step of disposing an object on said membrane.  
   
   
       64 . The method of  claim 60 , wherein said membrane has an uppermost layer, a bottommost layer, and a plurality of intermediate layers disposed between said uppermost layer and bottommost layer and further comprising the steps of forming said membrane by affixing each respective layer to each layer adjacent thereto; 
 affixing said uppermost layer to said cover surface, the strength of a bond between a first one of said plurality of layers and an adjacent second one of said plurality of layers being less than the strength of a bond by which the uppermost layer is affixed to the cover surface.    
   
   
       65 . The method of  claim 64 , wherein said first layer of said plurality of layers and said second layer of said plurality of layers are affixed to each other by one of adhesive, weak weld, laser function weld, compression weld, static charge and friction.  
   
   
       66 . The method of  claim 64 , further comprising indicia on one of said first one of said plurality of layers and said second one of said plurality of layers.  
   
   
       67 . The method of  claim 64 , wherein at least one of said first of the said plurality of layers and said second layer of said plurality of layers is an oxygen scavenger.  
   
   
       68 . The method of  claim 64 , further comprising an antenna and RFID circuit disposed on at least one of said first layer of said plurality of layers and said second layer of said plurality of layers.  
   
   
       69 . The method of  claim 64 , wherein at least one of said first layer of said plurality of layers and said second layer of said plurality of layers is an oxygen barrier.  
   
   
       70 . The method of  claim 64 , wherein at least one of said first layer of said plurality of layers and said second layer of said plurality of layers carries an aroma.