Anti rotation bead

Abstract

Sheet metal lid for closing can body, in which lid includes a panel and surrounding seamable edge suitable for attaching to can body. An openable area is defined on panel by a weakening line, and tab is disposed on a mounting place outside openable area. Tab has grip portion, opening portion, and attaching portion, such that attaching portion is provided for attaching tab substantially parallel with respect to panel, and tab is attached so that it is disposed with its opening portion above openable area. Near to at least one edge of attaching portion, at least one strip-shaped projection is shaped to protrude out of panel for limiting a pivoting movement (α) of tab around mounting place. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

1 - 53 . (canceled)  
   
   
       54 . A sheet metal lid for closing a can body, the lid comprising: 
 a panel having a weakening line defining an openable area;    a seamable edge, surrounding the panel, being attachable to the body;    a tab including a grip portion, an opening portion and an attaching portion, such that the attaching portion is arranged for attaching the tab substantially parallel with respect to the panel;    a mounting place positioned outside the openable area, such that the tab is arranged on the mounting place;    at least one strip-shaped projection shaped to protrude out of the panel for limiting or blocking a pivoting movement of the tab around the mounting place;    wherein the opening portion is arranged above the openable area, and at least one edge of the attaching portion being proximate the at least one strip-shaped projection.    
   
   
       55 . A sheet metal lid for closing a can body, the lid comprising: 
 a panel having a weakening line defining an openable area;    a seamable edge, surrounding the panel, being attachable to the body;    a tab including a grip portion, an opening portion and an attaching portion, such that the attaching portion is arranged for attaching the tab substantially parallel with respect to the panel;    a mounting place positioned outside the openable area, such that the tab is arranged on the mounting place, and the opening portion is arranged above the openable area;    the panel comprising at least one strip-shaped projection being arranged outside the attaching portion to block a substantial pivoting movement of the tab in a plane parallel to the panel.    
   
   
       56 . A sheet metal lid for closing a can body, the lid comprising: 
 a panel having a weakening line defining an openable area;    a seamable edge, surrounding the panel, being attachable to the body;    a tab including a grip portion, an opening portion and an attaching portion, such that the attaching portion is arranged for attaching the tab substantially parallel with respect to the panel, and includes a surface or planar extension smaller than an extension of the tab;    a mounting place positioned outside the openable area, such that the tab is arranged on the mounting place, and the opening portion is positioned above the openable area; and    the attaching portion comprising at least one blocking element arranged outside the extension of the attaching portion for delimiting a pivoting movement of the tab.    
   
   
       57 . A sheet metal lid for closing a can body, the lid comprising: 
 a panel having a weakening line defining an openable area;    a seamable edge, surrounding the panel, being attachable to the body;    a tab including a grip portion, an opening portion and an attaching portion, such that the attaching portion is arranged for attaching the tab substantially parallel with respect to the panel;    a mounting place positioned outside the openable area, such that the tab is arranged on the mounting place;    the panel comprising at least projection for limiting or blocking a pivoting movement of the tab by contacting at least one outer edge of the attaching portion.    
   
   
       58 . The lid in accordance with  claim 57 , 
 wherein the at least one projection extends over at least 30% of a width or a length of the attaching portion.    
   
   
       59 . The lid in accordance with  claim 57 , 
 wherein the at least one projection extends over at least 50% of a width or a length of the attaching portion.    
   
   
       60 . The lid in accordance with  claim 57 , 
 wherein a plurality of projections are provided near the at least one edge of the attaching portion.    
   
   
       61 . The lid in accordance with  claim 60 , 
 wherein at least one of the plurality of projections has a line or strip shape.    
   
   
       62 . The lid in accordance with  claim 60 , 
 wherein at least one of the plurality of projections has an approximate round to oval shape.    
   
   
       63 . The lid in accordance with  claim 61 , 
 wherein at least two of the projections are not equally aligned.    
   
   
       64 . The lid in accordance with  claim 57 , 
 wherein the limiting or blocking of the pivoting movement of the tab occurs through contact with the at least one projection.    
   
   
       65 . The lid in accordance with  claim 57 , 
 wherein the at least one projection is arranged between the grip portion and the opening portion of the tab on the panel.    
   
   
       66 . The lid in accordance with  claim 57 , 
 wherein the attaching portion is substantially rectangular in shape and having at least three outer edge portions.    
   
   
       67 . The lid in accordance with  claim 57 , 
 wherein the attaching portion is substantially square in shape and having at least three outer edge portions.    
   
   
       68 . The lid in accordance with  claim 57 , 
 wherein the attaching portion is connected to an articulation line on the tab, so that the opening portion is tiltable in a substantially vertically direction to a plane of the panel when actuating the grip portion.    
   
   
       69 . The lid in accordance with  claim 68 , 
 wherein the tilting movement causes an opening of the openable area along the weakening line.    
   
   
       70 . The lid in accordance with  claim 57 , 
 wherein the limiting or blocking of the pivoting movement of the tab is maintained throughout the entire vertical tilting of the tab.    
   
   
       71 . The lid in accordance with  claim 60 , 
 wherein the plurality of projections are arranged such that when horizontally pivoting the tab, each of the plurality of projections engages a single edge of the at least one edge of the attaching portion.    
   
   
       72 . The lid in accordance with  claim 57 , 
 wherein the at least one projection has a cross section which is shaped asymmetrically in a direction transverse to its longitudinal extension.    
   
   
       73 . The lid in accordance with  claim 72 , 
 wherein the asymmetrical shape includes variable steep flanks or sides that are non parallel to each other, or the asymmetrical shape includes a second steep flank that is less steep than first steep flank so as not to extend parallel to each other.    
   
   
       74 . The lid in accordance with  claim 73 , 
 wherein the first steep flank is located closer to an outer edge portion of the attaching portion than the second steep flank of the same projection.    
   
   
       75 . The lid in accordance with  claim 54 , 
 wherein the at least one projection has a height greater than 300 μm, measured from a top side facing outwards of the panel around the projection.    
   
   
       76 . The lid in accordance with  claim 75 , 
 wherein the height is substantially adapted to a height or thickness of a sheet metal of the attaching portion for the limiting or blocking of the pivoting movement of the attaching portion.    
   
   
       77 . The lid in accordance with  claim 76 , 
 wherein the height of the at least one projection is not less than substantially the thickness of the sheet metal at the respective outer edge portion of the attaching portion.    
   
   
       78 . The lid in accordance with  claim 54 , 
 wherein the at least one projection is shaped by an initial shaping or pre-forming from the panel and is structured and arranged in a final shape by a reshaping or reforming, so that a reduction in the thickness of a top side of the projection is effected during reforming.    
   
   
       79 . The lid in accordance with  claim 78 , 
 wherein a first flank is shaped more steeply than a second flank of the projection in a reforming process.    
   
   
       80 . The lid in accordance with  claim 54 , 
 wherein the at least one projection is located in a peripheral area of a rivet base zone in the lid, such that the rivet base zone is visible from an inside or a product side.    
   
   
       81 . The lid in accordance with  claim 80 , 
 wherein a part of the projection is located outside the rivet base zone.    
   
   
       82 . The lid in accordance with  claim 81 , 
 wherein more than 40% of a surface area of the at least one projection is located outside the rivet base zone.    
   
   
       83 . The lid in accordance with  claim 81 , 
 wherein the rivet base zone extends as a mounting place annularly about a rivet, which is visible from the inside or the product side.    
   
   
       84 . The lid in accordance with  claim 80 , 
 wherein the at least one projection is positioned as a secant to a tangent as a strip or a line in a edge portion of the rivet base zone.    
   
   
       85 . A sheet metal lid for attaching a tab having an attaching portion and for closing a can body, the lid comprising: 
 a tab including an attaching portion attached to the lid for closing a body;    at least one panel surrounded by a seamable edge attachable to the body;    an opening area being defined by a weakening line on the at least one panel;    the at least one panel comprising a mounting place on which the tab is attachable; and    at least one projection shaped to protrude from the at least one panel being structured and arranged to at least limit or block a pivoting movement of the tab through contact with at least one outer edge portion of the attaching portion.    
   
   
       86 . A sheet metal lid for attaching a tab with an attaching portion and for substantially closing a can body, the lid comprising: 
 at least one panel surrounded by a seamable edge that is attachable to the body;    a weakening line defining an opening area on the at least one panel;    the tab is attachable on a mounting place formed on the at least one panel;    at least one projection arranged near but removed from the mounting place by a distance corresponding to at least to a distance of an outer edge of the attaching portion of the tab from the mounting place, after mounting the attaching portion.    
   
   
       87 . The lid in accordance with  claim 86 , 
 wherein the outer edge is an edge line facing away from the attaching portion, and wherein at least two edge lines limit a surface extension of the attaching portion.    
   
   
       88 . The lid in accordance with  claim 86 , 
 wherein said at least two edge line portions have a substantially straight-lined extension.    
   
   
       89 . A method for shaping the sheet metal lid in accordance with  claim 86 , comprising: 
 (A) shaping a pre-form of the projection out of the panel such that the pre-form is located near the attaching portion of the tab, but at a distance from the mounting place; and    (B) re-forming a front edge of the at least one projection, for obtaining a better blocking for an associated outer edge portion of the attaching portion.    
   
   
       90 . The lid in accordance with  claim 89 , 
 shaping the pre-form of the at least one projection, followed by a score line shaped into the at least one portion of the panel.    
   
   
       91 . The lid in accordance with  claim 90 , 
 re-forming includes an embossing by which a top side of the at least one projection is flattened and stiffened.    
   
   
       92 . The lid in accordance with  claim 91 , 
 wherein the method includes a stiffening having a reduction of a sheet metal thickness by at least 10%.    
   
   
       93 . The lid in accordance with  claim 57 , 
 wherein the projection has the length of more than 80% of the width of the attaching portion.    
   
   
       94 . The lid in accordance with  claim 54 , 
 wherein a plurality of projections are located near at least one portion of two or more edges of the attaching portion.    
   
   
       95 . The lid in accordance with  claim 60 , 
 wherein the at least one projection extends in a longitudinal direction of the tab and has a length that is not more than 50% of a longitudinal extension of the attaching portion, and in combination with a distance of the outermost end of the at least one projection from a center of the mounting place of the more than 50% of the longitudinal extension of the attaching portion.    
   
   
       96 . The lid in accordance with  claim 60 , 
 wherein at least three projections are arranged, two of which extending substantially parallel to a longitudinal axis of the tab and one extending substantially perpendicularly to the axis.    
   
   
       97 . A sheet metal lid comprising: 
 a panel portion coupled to an attachable tab through a substantially flat attaching portion of the tab;    a mounting element on which the tab is arranged;    at least one projection extending upwards from the panel portion which is structured and arranged with at least one front stop edge for at least limiting or blocking a horizontal rotation movement of the tab.    
   
   
       98 . The lid in accordance with  claim 97 , 
 wherein the mounting element is on a rivet integrally formed with the panel portion.    
   
   
       99 . The lid in accordance with  claim 97 , 
 wherein the at least one front stop edge is linear.    
   
   
       100 . The lid in accordance with  claim 97 , 
 wherein the at least one front stop edge extends over more than half of a width or at least 30% of a length of the flat attaching portion.    
   
   
       101 . The lid in accordance with  claim 97 , 
 wherein the at least one front stop edge is substantially perpendicular to a longitudinal plane extending along a length of the tab.    
   
   
       102 . The lid in accordance with  claim 97 , 
 wherein the at least one projection is formed by; 
 (A) forming a front stop zone from a portion of the panel, and  
 (B) re-shaping the stop zone into a shape which has a stop edge or re-shaping the stop zone into a shape which has the stop edge that is steeper or sharper than the stop zone shaped previously.  
   
   
   
       103 . The lid in accordance with  claim 97 , 
 wherein at least two stop edges are provided substantially parallel to a longitudinal plane extending along the length of the tab.    
   
   
       104 . The lid in accordance with  claim 98 , 
 wherein the at least one projection from the panel is shaped in an area corresponding to a periphery of a rivet base portion or an embossed portion around the mounting place.    
   
   
       105 . The lid in accordance with  claim 97 , 
 wherein the at least one projection is flattened on a top side thereof, and having a wall thickness being reduced thereof.    
   
   
       106 . The lid in accordance with  claim 105 , 
 wherein the reduction is provided by an embossing operation.    
   
   
       107 . The lid in accordance with  claim 105 , 
 wherein a steeper edge of the at least one projection comprises at least one portion extending at an angle of substantially 90° with respect to the panel.    
   
   
       108 . The lid in accordance with  claim 97 , 
 wherein the at least one projection or the at least one stop edge has a greater width than a height and a greater length than width.