Railway rolling stock – Special car bodies – Dumping
Patent
1978-10-06
1982-11-30
Peters, Jr., Joseph F.
Railway rolling stock
Special car bodies
Dumping
105253, 105282A, 105308A, 105424, B61D 704, B61D 718, B61D 722
Patent
active
043610960
ABSTRACT:
Seals to prevent seepage of a fine granular commodity between the hopper doors and the adjacent hopper sheets of a railroad hopper car of the type having opposed pairs of hopper doors swingable between a closed position and a downwardly depending open position. The seals comprise elongated strips of flexible material with their upper longitudinal edge portions mounted along the inside lower edges of the inner and outer hopper sheets and being of a width such that their free lower longitudinal edge portions extend downwardly beyond the lower edges of the hopper sheets. The free edge portions of the seals being bent inwardly by and lying in sealing engagement against the hopper doors when the hopper doors are in their closed position. Similar strips of flexible material may be so located as to form a seal between the upper portion of each hopper door and its adjacent slope sheet.
REFERENCES:
patent: 743504 (1903-11-01), Hart
patent: 761550 (1904-05-01), Simonton
patent: 776149 (1904-11-01), Simonton
patent: 987877 (1911-03-01), Harrigan
patent: 1014768 (1912-01-01), Meissner
patent: 1882186 (1932-10-01), Hankins
patent: 2602402 (1952-07-01), Sanford, Jr. et al.
patent: 3169491 (1965-02-01), Darlington et al.
patent: 3187684 (1965-06-01), Ortner
patent: 3401645 (1968-09-01), Floehr
patent: 3596608 (1971-08-01), Aquino et al.
patent: 3596609 (1971-08-01), Ortner
patent: 3596611 (1971-08-01), Floehr
patent: 3807318 (1974-04-01), Chierici
Beltran Howard
Ortner Freight Car Company
Peters Jr. Joseph F.
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