B - Operations – Transporting – 61 – D
Patent
B - Operations, Transporting
61
D
105/137
B61D 7/00 (2006.01) B61D 39/00 (2006.01) E04D 13/035 (2006.01) F16J 15/02 (2006.01)
Patent
CA 1119465
Abstract of the Disclosure A trough hatch cover for a covered railway hopper car including an easily replaceable longitudinally convergently tapered elastomeric seal reactive therewith to form a weather-tight seal about the periphery of the hatch when secured by clamps at opposite ends of the hatch cover.
311134
Kniola Clement J.
Stark Marvin
Meredith & Finlayson
Pullman Incorporated
LandOfFree
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