Security fence with improved rail
AssigneeHadley Industries PLC
InventorGeoffrey Thomas Deeley
Life of this patent
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Abstract
A security fence has a horizontal rail to which pales are connected and are spaced apart along the rail. The rail is shaped so that it cannot be used as a stepping surface for an intruder.
Claims7
A security fence comprising two end posts, pales and at least one rail, wherein the pales are generally vertical and secured by bolt means to one side of a generally horizontal rail, the pales being spaced apart along the rail with gaps in between, the rail comprising a main web and at least one side wall, the pales abutting one face of the web of the rail, the side wall extending above the web away from the rail on the side of the web remote from the pales at an angle selected so that the gap portions of the rail between pales cannot be used by an intruder as a step.
A security fence comprising two end posts, pales and at least one rail, wherein the pales are generally vertical and secured by a bolt means to one side of generally horizontal rail, the pales being spaced apart along the rail with gaps in between, the rail comprising a length of shaped metal section having a wall thickness of about 2 mm to about 4 mm, the section comprising a main web and at least one side wall, which is above the main web and extends at an angle so that the gap portions of the rail between pales cannot be used by an intruder as a step.
A security fence rail comprising a main web and at least one side wall, which in use extends above the web at an angle thereto, wherein the angle is selected so that, in use, gap portions between pales secured to the rail cannot be used by an intruder as a step.
A fence rail according to claim 6, wherein spikes are struck up from the upper sidewall in the gaps.
Dependencies are inferred from the claim text.