Cold rolled post for security fence

Abstract

A post for a security fence and comprises a thin sheet of steel which has been cold-formed to be of generally I section and is then galvanised.

1 - 15 . (canceled)  
   
   
       16 . A post for a security fence, the post comprising a cold-rolled metal section of generally I-cross sectional form, formed from a single sheet of metal having two longitudinal edges, the metal section having a main web and two integral side flanges, the metal sheet being cold-roll formed to cause surfaces at or towards the two longitudinal edges of the single sheet to overlie one another.  
   
   
       17 . A post according to  claim 16 , wherein said post is galvanised or powder coated.  
   
   
       18 . A post according to  claim 16 , wherein the metal sheet which forms said post has a thickness of about 2 mm to about 4 mm.  
   
   
       19 . A post according to  claim 16 , comprising a security head having a shape selected from the group of a single point or multiple point shape and spear or flat form.  
   
   
       20 . A post for a security fence, the post comprising a cold-rolled metal section of I-cross sectional form formed from a single sheet of metal and having a main web and two integral side flanges, the side flanges being generally parallel to one another at substantial right angles to the main web.  
   
   
       21 . A post according to  claim 20 , wherein said post is galvanised or powder coated.  
   
   
       22 . A post according to  claim 20 , wherein the metal sheet which forms said post has a thickness of about 2 mm to about 4 mm.  
   
   
       23 . A post according to  claim 20 , comprising a security head having a shape selected from the group of a single point or multiple point shape and spear or flat form.  
   
   
       24 . A security fence comprising two posts and at least one rail extending between the posts and a plurality of pales connected to the rail, at least one of the posts comprising a cold-rolled metal section of generally I-cross sectional form, formed from a single sheet of metal, having a main web and two integral side flanges, the metal sheet being cold-roll formed to cause two edges of the single sheet to overlie one another.  
   
   
       25 . A security fence according to  claim 24 , wherein the main web of said at least one post has at least one hole for connection to the or each at least one rail.  
   
   
       26 . A security fence according to  claim 24 , wherein said at least one post has a total width of about 100 mm to about 120 mm and the side flanges are about 30 mm to about 50 mm wide in total.  
   
   
       27 . A security fence according to  claim 24 , wherein the pales are formed of cold rolled metal section.  
   
   
       28 . A security fence comprising two posts and at least one rail extending between the posts and a plurality of pales connected to the rail, at least one of the posts comprising a cold-rolled metal section of I-cross sectional form formed from a single sheet of metal and having a main web and two integral side flanges, the side flanges being generally parallel to one another and at substantial right angles to the main web.  
   
   
       29 . A security fence according to  claim 28 , wherein the main web of said at least one post has at least one hole for connection to the or each at least one rail.  
   
   
       30 . A security fence according to  claim 28 , wherein said at least one post has a total width of about 100 mm to about 120 mm and the side flanges are about 30 mm to about 50 mm wide in total.  
   
   
       31 . A security fence according to  claim 28 , wherein the pales are formed of cold rolled metal section.