| Patent Number |
Title Of Patent |
Date Issued |
| 4717014 |
Screw conveyor |
January 5, 1988 |
| A screw conveyor has a feeder device for promoting the supply of material to the screw, said feeder device and said screw being rotatable in opposite directions. The feeder device has blades (14, 15) which are curved in the manner of a trawl to draw in the material both from above an |
| 4702367 |
Loading device for a belt conveyor |
October 27, 1987 |
| A feed conveyor delivers bulk material which is transferred to a belt conveyor by a loading device. The loading device consists of a feed screw in a feed screw casing and imparts to the bulk material a motional component in the direction of travel of the belt conveyor. The discharge |
| 4621726 |
Sealing device for relatively rotating surfaces in a conveyor |
November 11, 1986 |
| A sealing device for sealing between two relatively rotating cylindrical surfaces in a conveyor has its one cylindrical surface formed as a stationary wall portion in a transition housing and its other cylindrical surface formed as a cylindrical wall portion of a rotating bottom in said |
| 4286909 |
Apparatus for unloading bulk material from a storage space |
September 1, 1981 |
| An apparatus for unloading bulk material from a storage space includes an upward conveyor (14), in particular a screw conveyor. For scraping the bulk material to the inlet end (22) of the upward conveyor (14), there is a scraper conveyor (27, 28) which is pivotally movable up and down an |
| 4234075 |
Apparatus for sealing a connection between two mutually shiftable components |
November 18, 1980 |
| Two components, for example, conveyors, are interconnected by the intermediary of a connecting portion. The component connected to the connecting portion is shiftable along an alongate opening in the other component. The elongate opening is closable by means of a flexible web length |
| 4020953 |
Apparatus for unloading particulate material, especially from ships |
May 3, 1977 |
| An apparatus for unloading particulate material, especially from ships, having an arm system comprising a horizontal conveyor section and a vertical conveyor section, which sections are interconnected in a torsionally rigid but pivotal manner for mutual relative movements in a common |
