Comminuting apparatus and material receiving duct for...

Solid material comminution or disintegration – Apparatus – Cooperating comminuting surfaces

Reexamination Certificate

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C241S236000

Reexamination Certificate

active

07419110

ABSTRACT:
A material receiving duct is provided for a comminuting apparatus. The material receiving duct includes a material entrance section, a material exit section, and a telescoping section. The material entrance section has a material entrance. The material exit section is provided beneath the material entrance section with a material exit configured to mate with an entrance enclosure of a comminuting apparatus. The telescoping section is provided between the entrance section and the exit section to adjust height of the material entrance.

REFERENCES:
patent: 3386670 (1968-06-01), Heger
patent: 4013234 (1977-03-01), Fay
patent: 4687144 (1987-08-01), Irwin et al.
patent: 5076504 (1991-12-01), Young
patent: 5860607 (1999-01-01), Irwin
patent: 6644573 (2003-11-01), Irwin
patent: 7077348 (2006-07-01), Johnson et al.

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