Molded sprocket

Conveyors: power-driven – Conveyor section – Endless conveyor

Reexamination Certificate

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C198S833000

Reexamination Certificate

active

06964332

ABSTRACT:
A two-material plastic sprocket for modular plastic conveyor belts and an associated method for molding such a sprocket. The sprocket is made of a first plastic material forming the exterior skin and a second plastic material forming the interior core. The sprocket is preferably molded in a co-injection molding process.

REFERENCES:
patent: 3199364 (1965-08-01), Dew
patent: 3304795 (1967-02-01), Rouverol
patent: 3630098 (1971-12-01), Oxley
patent: 5469958 (1995-11-01), Gruettner et al.
patent: 5518109 (1996-05-01), Dailey et al.
patent: 5630500 (1997-05-01), Conrad
patent: 6274074 (2001-08-01), Monie
patent: 6696003 (2004-02-01), Cediel et al.
patent: 2002/0179417 (2002-12-01), Cediel et al.
patent: 0 303 113 (1989-02-01), None
patent: 0 504 803 (1992-09-01), None
ISA/EP, International Search Report of PCT/US2004/012557, mailed Nov. 3, 2004.

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