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Scraper chain conveyor with plastic pushers

Drag chain conveyors for use in underground mining, could include interconnected, profiled conveyor chutes, containing guided conveyor chains.

Plastic carriers could be attached to the conveyor chains by being molded around annular conveyor chain links. At least one drive is provided for conveyor chains.
Plastic carriers and their connection with the chain links is produced in a single operation. Molding around chain links has the advantage that in the critical cross-sectional region, at the connection between chain link and carrier, a massive increase occurs.
Carrier geometry is to be designed so that critical weak points receive maximum cross-sectional area.

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