B - Operations – Transporting – 61 – D
Patent
B - Operations, Transporting
61
D
105/184
B61D 17/16 (2006.01)
Patent
CA 1220981
HATCH COVER SEAL ASSEMBLY ABSTRACT OF THE DISCLOSURE A cover for hopper car hatch openings as provided by railroad car and freight handling equipment. Each hatch opening is provided with a peripherial seal located out of and beneath the hatch opening and a pressure releasing latch for securing the cover against the seal and locking the cover upon the hatch openings.
485871
Frayne & Company Robert
Trn Business Trust
LandOfFree
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