Drain and duct system for buildings

Details Drain and duct system for buildings Drain and duct system for buildings

1974-11-18

1976-11-02

Purser, Ernest R.

Static structures (e.g., buildings)

Tensioned or flexed sheet facing

52220, E04B 548

Patent

active

039888673

ABSTRACT:
A drain and duct system for buildings is provided in which a false ceiling element is fabricated ready furnished with branch drain pipes and a vertical duct element which is used as a vertical drain and may be used as ventilation ducts, wherein all branch drains in the false ceiling element connect and no separate drain pipe need be inserted. The connection of the branch drain elements with those of the vertical drain may be accomplished by inserting a pipe stump through the opening in the wall of the vertical duct element, this opening then being grouted with filling mix or connected by means of a flange joint.

REFERENCES:
patent: 1611261 (1926-12-01), Youngblood
patent: 1683600 (1928-09-01), Black
patent: 2438411 (1948-03-01), Meiller
patent: 3188694 (1965-06-01), Hammar
patent: 3321875 (1967-05-01), Conradt
patent: 3601937 (1971-08-01), Campbell
patent: 3694973 (1972-10-01), Unger
patent: 3766574 (1973-10-01), Smid
patent: 3846946 (1974-11-01), Sandstrom
patent: 3885296 (1975-02-01), Stout
patent: R17154 (1928-12-01), Purdy

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