F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
F24F 13/20 (2006.01) E03F 5/08 (2006.01) F23J 13/08 (2006.01) F24F 13/10 (2006.01)
Patent
CA 2573647
The present invention provides a security cage for use with a vent pipe. The security cage comprises a screen member having a generally circular flange portion being integrally connected with a generally hemispherical body portion. The screen member is formed from a plurality of rigid wires intersecting one other in a criss-cross arrangement and engaged with each other at their points of intersection so as to retain the hemispherical shape of the body and the circular shape of the flange. An air flow baffle may be used in combination with the security cage.
Cassan Maclean
Val-Matic Valve & Manufacturing Corp.
LandOfFree
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