Conveyors: power-driven – Conveyor section – Screw
Patent
1988-01-27
1989-08-01
Valenza, Joseph E.
Conveyors: power-driven
Conveyor section
Screw
198658, 198677, B65G 3332
Patent
active
048527190
ABSTRACT:
A screw conveyor composed of a plurality of modules mated end to end and of identical integrally molded construction. Each module is molded of a suitable plastic material and has integrally formed therewith a cylindrical body, a coaxially disposed tube within the body, and a web helically disposed between the coaxial tube and the cylindircal body. The module includes ends mateable with corresponding ends of like modules to provide a screw conveyor of intended length and which is rotatable as a single unitary structure. Each module may have a sheave integrally molded thereon for mating with a V-belt drive. Alternatively, the modules can be of open form each having a helical web molded on a central tube preferably having a non-circular and adapted for end to end mating with like modules to provide a screw conveyor of desired length. This open type of screw conveyor can be readily retrofitted to systems having conventional metal conveyor screws.
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The Laitram Corporation
Valenza Joseph E.
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