Internal drainage system for hollow member structural assembly a

Details Internal drainage system for hollow member structural assembly a Internal drainage system for hollow member structural assembly a

1988-03-17

1989-09-19

Cherry, Johnny D.

Railway rolling stock

Special car bodies

Freight

105407, B61D 702

Patent

active

048670731

ABSTRACT:
An internal water drainage system for an interconnected hollow structural assembly within a railroad pressure discharge hopper car or the like is disclosed. To facilitate water drainage throughout the interconnected hollow structural assembly following hydrostatic pressure testing of the car, water draining passageways are provided in the hollow structural members in an area of juncture between the members, at least along a lowermost extent of each of the hollow structural members. The water drainage passageways are constructed to communicate with a water drain opening provided in the shell of the railroad car, in order to afford gravity flow of water through the hollow structural members and evacuation from the railroad car. A method for hydrostatic pressure testing of a railroad car is also disclosed in which gravity flow evacuation of water through the hollow structural members is achieved by utilizing gravity flow of water throughout. In both the aforementioned assembly and method, water deterioration, corrosion, and the like after hydrostatic pressure testing are substantially minimized or totally eliminated.

REFERENCES:
patent: 2033750 (1936-03-01), Westrope
patent: 2821429 (1958-01-01), Rantala
patent: 3768422 (1973-10-01), Shaver et al.
patent: 3830167 (1974-08-01), Tamborski et al.
patent: 4101175 (1978-07-01), Kull
patent: 4230048 (1980-10-01), Gordon et al.
patent: 4377058 (1983-03-01), Hallam et al.
patent: 4445721 (1984-05-01), Yaotani et al.
patent: 4582358 (1986-04-01), Draper

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