Static structures (e.g. – buildings) – Wall – ceiling – or floor designed for utilities – Having a passageway through the entire wall – ceiling – or...
Reexamination Certificate
2011-02-01
2011-02-01
Canfield, Robert J (Department: 3635)
Static structures (e.g., buildings)
Wall, ceiling, or floor designed for utilities
Having a passageway through the entire wall, ceiling, or...
C052S219000, C052S232000, C052S220100, C174S068100, C174S064000, C174S068300
Reexamination Certificate
active
07877941
ABSTRACT:
A leadthrough (10) for passing conduits through a constructional component includes a tube (11), a base member (16) arranged at the first axial end (12) of the tube (11) and having a receiving space (18) for isolating means (19) and defining an opening (17), and first (14) and second (15) annular, diaphragm-shaped sealing elements provided, respectively, at the first (12) and second axial ends of the tube (11).
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Fischer Marco
Koegler Markus
Monden Thomas
Abelman ,Frayne & Schwab
Canfield Robert J
Gitlin Matthew J
Hilti Aktiengesellschaft
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