SECURITY APPARATUS

Disclosed herein is a security apparatus comprising a blocking device having a formable bag and a marker layer including a transferable marker composition that can be transferred onto any object penetrating the marker layer and any other object or person coming into contact with the marker compositi...

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Bibliographic Details
Main Authors CLEARY MICHAEL, LOUGH JULIE ANN, FOORD MARTIN
Format Patent
LanguageEnglish
Published 04.02.2016
Subjects
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:Disclosed herein is a security apparatus comprising a blocking device having a formable bag and a marker layer including a transferable marker composition that can be transferred onto any object penetrating the marker layer and any other object or person coming into contact with the marker composition in the event of an attempt to remove the blocking device by puncturing the bag. The blocking device may block an access point such as a manhole to block unauthorised access. The formable bag may be made to conform to the shape of an access passage by inflation or deflation using valve.
Bibliography:Application Number: US201514816711