Secondary seal for the pneumatic discharge nozzle of a covered h

Details Secondary seal for the pneumatic discharge nozzle of a covered h Secondary seal for the pneumatic discharge nozzle of a covered h

1995-08-30

1998-04-14

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Container for non-fluid material, and scattering means

With means generating or supplying gaseous mixing current

137800, 138 89, 138 96R, 220256, 220789, 222545, A01C 0000, F16L 5510, B65D 5118

Patent

active

057382859

ABSTRACT:
A secondary seal in the form of a plug member insertable in the open end of a pneumatic discharge nozzle of a covered hopper car carrying granular material, such as plastic pellets, wherein the plug member includes means for maintaining the pellets in spaced relation to the open end of the nozzle to prevent spillage when the plug member is removed, and having retaining means connecting the plug member to the nozzle when it is removed from the open end of the nozzle.

REFERENCES:
patent: 1947915 (1934-02-01), Marschall
patent: 2760683 (1956-08-01), Diether
patent: 4228823 (1980-10-01), Zepeda
patent: 4902173 (1990-02-01), Hendee et al.

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