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Class 414/141.9 - By use of screw conveyor on marine vessel


Subclass of Class 414 - Material or article handling
Definition: Apparatus wherein the loading or unloading structure includes
No. of patents: 15
Last issue date: 04/11/2006


NumberTitleIssue Date
5230419Remotely positionable material extraction device
A device to remotely extract particulate material comprises a number of archimedes screw sections joined end-to-end by universal joints and surrounded by a housing which articulates at the universal joints. The screw sections terminate in a material extra...
07/27/1993
5078261Apparatus and method for unloading bulk materials
An unloader for bulk materials is provided to transfer material such as cement from a barge or other bulk container. It includes a moveable and rotatable support member such as a crane or cantilevered arm that is adjacent the bulk container. A first conve...
01/07/1992
5049021Self-unloading method and apparatus for ships
An unloading marine leg for a self-unloading ship including a bucket conveyor for removing granular material from the hold of a ship, the marine leg including a distal end and a discharge end with the discharge end being pivotally mounted to a carriage on...
09/17/1991
4793467Apparatus for unloading bulk material
A bulk material unloading apparatus comprises a vertical conveyor (10) and a horizontal conveyor connected thereto. A rotable feeder (13) is mounted at the feeding end of the vertical conveyor for feeding material thereinto. According to the invention, th...
12/27/1988
4718537Feeder head assembly
A feeder head assembly is provided which includes a single pair of augers which collect bulk material contained within a vessel. These augers advance the material to a lifting conveyor. A frame pivotally mounted to a rotatable enclosure portion of the lif...
01/12/1988
4544316Apparatus for automatically and continuously withdrawing coal from a ship's
An apparatus for automatically and continuously withdrawing coal from a ship's bunker by means of a screw conveyor suspended from a gantry beam transversely of the bunker in order to convey the coal towards one or both sides. The gantry beam travels on su...
10/01/1985
4483655Vessel loading method
A large cargo vessel is loaded by moving a self-unloading barge alongside and fixing it relative to the vessel. A boom assembly of the barge is slewed into alignment with a hold of the vessel whereupon a shuttle conveyor is extended over the open hold. Bu...
11/20/1984
4334818Final unloading apparatus
When particulate material reposing on a support or base is to be carried off in an upward direction by means of a vertical conveyor whose lower inlet end portion is vertically and laterally movable, there is a problem involved in the carrying-off of the f...
06/15/1982
4234075Apparatus for sealing a connection between two mutually shiftable components
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 me...
11/18/1980
4152029Fluent solid material handling means
A mobile bulk material unloader for a bulk carrier or general cargo ship including a mechanical elevator associated with a pneumatic system which can be suspended from a derrick and lowered into the hold of a bulk carrier such that the inlet means is in c...
05/01/1979
4146144Apparatus for discharging loose particulate solid material from a storage space
An apparatus for discharging loose particulate solid material from a storage space, for instance the hold of a ship. A screw conveyor is suspended in a carriage mounted at the upper part of the space and is horizontally movable. The carriage has a hoistin...
03/27/1979
4072238Self-unloading ship with two tunnel belts and a central reclaimer
A self-unloading ship includes two longitudinal tunnels with conveyor belts below two rows of hoppers at the bottom of the holds which extend nearly from one end of the ship to the other for unloading bulk material such as coal, iron ore, gypsum or the li...
02/07/1978
4070625Apparatus for measuring the distance to the floor of the cargo hold of a ship through intervening bulk material
Apparatus for measuring the distance to and through magnetically permeable materials having a planar surface includes a dipole field generating magnetic field transmitting antenna and a dipole field sensitive receiver antenna. The antennae are displaced f...
01/24/1978
4058203Bulk material dislodging and gathering apparatus
A pair of screw conveyors pivotally mounted on rotatable arms extending laterally from the extended ends of the bottom sprocket wheel shaft on a bucket ladder dislodge bulk material and direct it toward the buckets. The bottom sprocket wheels are journale...
11/15/1977
 
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