F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
F16L 5/02 (2006.01) F16J 15/10 (2006.01) F16J 15/46 (2006.01)
Patent
CA 2509970
A device for sealing a leadthrough for conduits in a constructional element includes an inherently stiff frame member, and at least one sealing element (12) fixedly secured in the receiving region (17) of the frame member (11) and having an elastic envelope (13), and a connection opening element (15) arranged on the envelope (13) and communicating with its receiving space (16) for effecting filling the receiving space (16) with medium for expanding the sealing element (12) and/or evacuating the receiving space (16) for contracting the sealing element (12).
Gierczak Eugene J. A.
Hilti - Aktiengesellschaft
LandOfFree
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