Conveyors: power-driven – Conveyor section – Endless conveyor
Patent
1980-10-31
1984-04-03
Valenza, Joseph E.
Conveyors: power-driven
Conveyor section
Endless conveyor
29132, B65G 3910
Patent
active
044402953
ABSTRACT:
An idler roller particularly for conveyor belt support and comprises a prefabricated core member about which is moulded an abrasion and impact resistant load bearing synthetic plastic shell. The shell includes a tubular load bearing wall and integral side walls for the accommodation of bearings which receive the idler shaft. By the utilization of a relatively inexpensive core which does not require to possess load bearing properties, and utilizing this core as a former about which the load bearing shell is moulded, a satisfactory idler roller structure can be constructed relatively inexpensively. The shell should be moulded from a non-foamed polyurethane elastomer material to give high quality abrasion resistance coupled with impact resistance.
REFERENCES:
patent: 3622059 (1971-11-01), Savela
patent: 3711912 (1973-01-01), Teske
patent: 3923150 (1925-12-01), Jager
patent: 3941635 (1976-03-01), Tavelle et al.
patent: 4299022 (1981-11-01), Kummerl
patent: 4312444 (1982-01-01), Mushovic
patent: 4344218 (1982-08-01), Hooper et al.
Blackwood-Murray Thomas J.
Evans David
Aerofoam Industries (Proprietary) Limited
Holmes Jonathan D.
Valenza Joseph E.
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