| 摘要 |
A method of enhanced security fixing a security screen assembly, said security screen assembly comprising a sheet 5 of metal mesh-like security screen retained in an outer peripheral frame assembly by a retention means, said method comprising providing fixing apertures through said outer peripheral frame assembly, said fixing apertures having a central axis extending generally perpendicularly io to said sheet, said fixing apertures also penetrating said sheet at positions inwardly of an extreme outer peripheral edge thereof; inserting respective hollow ferrule inserts through said fixing apertures, said hollow ferrule inserts having a length greater than the thickness of the outer 15 peripheral frame assembly at the position of the fixing apertures, said retention means and said hollow ferrule inserts holding said sheet fixed to said outer peripheral frame. 2560581_1 (GHMatters) 7/02/11 Cll E14' woo-- |
