US 12,187,558 B2
Loading head arrangement including sealing at the loading opening of a railway car
Gregory Racz, Katy, TX (US); Johnny Quinonez, Cypress, TX (US); and John Stuart, Magnolia, TX (US)
Assigned to ZEPPELIN SYSTEMS GMBH, Friedrichshafen (DE)
Filed by Zeppelin Systems GmbH, Friedrichshafen (DE)
Filed on Mar. 13, 2023, as Appl. No. 18/182,555.
Prior Publication US 2024/0308792 A1, Sep. 19, 2024
Int. Cl. B65G 67/20 (2006.01)
CPC B65G 67/20 (2013.01) 16 Claims
OG exemplary drawing
 
1. A loading head arrangement, including a telescopic loading head for loading pourable bulk materials onto railway cars, the loading head sealingly resting on a filling opening arranged at the railway car by way of at least one seal, characterized in that the seal is designed as a double seal and has a first upper sealing ring, which rests on a horizontal flange of the filling opening, and a second lower sealing ring, which sealingly conforms to a vertical flange of the filling opening.