Floor structure of railcar
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United States of America Patent
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Nov 10, 2015
Grant Date -
Aug 22, 2013
app pub date -
Nov 4, 2011
filing date -
Nov 8, 2010
priority date (Note) -
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Abstract
Provided is a floor structure of a railcar in which thickness of a heat insulating material can be reduced while having predetermined heat resistance. The floor structure of the railcar includes a underframe having a pair of side sills extending in a railcar longitudinal direction and a cross beam arranged between the side sills and extending in a railcar width direction, a structural floor provided on an upper surface of the underframe, and a first heat insulating material arranged on a lower side of the structural floor via an air layer for the structural floor.
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