Reinforced hopper car structure

Details Reinforced hopper car structure Reinforced hopper car structure

1998-05-29

2000-12-26

Morano, S. Joseph

Railway rolling stock

Car framing and structure

296210, 52 45, B61D 1700, B60J 700

Patent

active

06164210&

ABSTRACT:
A hopper car is described that is a thin shelled integrated structure having a roof and a pair of sidewalls. This structure is subject to longitudinal tensile and compressive loads, and to a partial internal vacuum during unloading. Local buckling phenomena and collapse due to the partial vacuum need to be resisted. The roof assembly has lateral stiffeners to maintain its profile, and a reinforced, roll formed longituding coaming.

REFERENCES:
patent: Re32189 (1986-06-01), Adler et al.
patent: 4262602 (1981-04-01), Patil et al.
patent: 4362111 (1982-12-01), Stark et al.
patent: 4377058 (1983-03-01), Hallam et al.
patent: 4385563 (1983-05-01), Bell et al.
patent: 4444123 (1984-04-01), Smith et al.
patent: 4455947 (1984-06-01), Reeve et al.

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