US 11,807,280 B2
Composite insulated boxcar floor
Kenneth W. Huck, Fairview, TX (US); Marco A. Morales, Flower Mound, TX (US); Ricky A. Cribbs, Ovilla, TX (US); Codrington E. Barzey, Melbourne, FL (US); and Scott M. Lewit, Indialantic, FL (US)
Assigned to TRINITY RAIL GROUP, LLC, Dallas, TX (US)
Filed by TrinityRail Products and Services, LLC, Dallas, TX (US)
Filed on Nov. 13, 2020, as Appl. No. 17/097,225.
Claims priority of provisional application 62/935,874, filed on Nov. 15, 2019.
Prior Publication US 2021/0146968 A1, May 20, 2021
Int. Cl. B61D 17/10 (2006.01); B61F 1/02 (2006.01); B61D 17/04 (2006.01); B61D 17/18 (2006.01)
CPC B61D 17/10 (2013.01) [B61D 17/043 (2013.01); B61D 17/18 (2013.01); B61F 1/02 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A floor section for an insulated railcar, the floor section comprising:
a flat plate; and
a composite section coupled to the flat plate, the composite section comprising a plurality of composite beams aligned parallel to one another, each composite beam of the plurality of composite beams comprising:
an inner core comprising an insulating material; and
an outer material surrounding the inner core, wherein:
the inner core is configured to support the outer material;
an upper surface of each composite beam of the plurality of composite beams is coupled to an underside of the flat plate, the upper surface extending along a length of the composite beam;
each composite beam of the plurality of composite beams comprises a pair of side walls, each side wall of the pair of side walls generally perpendicular to the upper surface of the composite beam; and
a first composite beam of the plurality of composite beams is laminated to a second composite beam of the plurality of composite beams along a side wall of the first composite beam and a side wall of the second composite beam.