Document Type and Number:
Japanese Patent JPS5248101
Kind Code:
U
Abstract:
A rotary pump for hot pitch, asphalt and like viscous solidifiable material, having a cylindrical outer extension on a packing gland to provide an elongated passage around a driving shaft, thereby allowing leaking material to solidify and be reduced into powder before falling from the outer end of the packing gland.
Application Number:
JP13399375U
Publication Date:
April 06, 1977
Filing Date:
October 02, 1975
Export Citation:
International Classes:
F04C15/00; F16J15/00; F16J15/18; F04B53/16; F16J15/24; (IPC1-7): F16J15/24; F04B21/00; F04D29/08
Domestic Patent References:
| JPS3522711Y1 |