Static structures (e.g. – buildings) – Wall – ceiling – or floor designed for utilities – Load-bearing – prefabricated – abutting units with aligned...
Patent
1990-12-03
1992-01-14
Scherbel, David A.
Static structures (e.g., buildings)
Wall, ceiling, or floor designed for utilities
Load-bearing, prefabricated, abutting units with aligned...
52221, E04B 548
Patent
active
050798839
ABSTRACT:
The invention provides a box for the passage of pressurized liquid through masonry work of small thickness, particularly dividing walls, the box (1), firmly secured to a plastic sheath (4), also embedded in the masonry work (2), allowing plastic material pipes (5) to be installed for pressurized liquids. Said pipe (5) passes through the case and the sheath with radial clearance, which makes it possible to change it for maintenance purposes, the parallelepipedic shaped box having a large opening on which a lid (3) is placed, this lid carrying the connection of the pipe (5) formed by holding means and sealing means.
REFERENCES:
patent: 4683905 (1987-08-01), Vigneau et al.
patent: 4844116 (1989-07-01), Buehler et al.
patent: 4870792 (1989-10-01), Belisaire
Legris SA
Mai Lan
Scherbel David A.
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