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US 2002/0170238 A1Published application
Fiberglass railcar roof
AssigneeAmerican Composite Materials Engineering, Inc.
InventorsJoseph V. Fecko, Paul L. Packer
Life of this patent
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Abstract
A fiberglass railcar roof that includes a fiberglass surface with a central portion and a peripheral portion adapted to be joined to the upper edge region of a railcar. In some embodiments, the roof includes plural elongate fiberglass ribs extending transverse to the longitudinal axis of the fiberglass surface. In some embodiments, the roof is adapted for use on refrigerated, high cube and cryogenic railcars. Methods for forming the invented roofs and roof panels are also disclosed.
Claims20
A method for forming a railcar roof, comprising:
- providing a supply of a composite fiberglass material and a mold for a railcar roof panel;
- placing a quantity of the material into the mold to produce a roof panel with a peripheral region surrounding a central region having a lower surface;
- securing a liner to the peripheral region, wherein the liner extends in a spaced-apart configuration to the lower surface of the central region;
- injecting an insulating material between the liner and the lower surface of the central region;
- and
- removing the roof panel from the mold.
3 more elements
Dependencies are inferred from the claim text.