Solid material comminution or disintegration – Apparatus – With comminuting member cleaner or scraper
Reexamination Certificate
2008-01-29
2008-01-29
Rosenbaum, Mark (Department: 3725)
Solid material comminution or disintegration
Apparatus
With comminuting member cleaner or scraper
C241S243000, C241S300000
Reexamination Certificate
active
07322538
ABSTRACT:
Slag crusher having a shaft extending through a pressure housing which shaft is provided with inlet baffle plates in a funnel-shaped arrangement, stationary cutting knives and cutting knives rotating on the shaft. The shaft is offset with respect to the vertical center line of the pressure housing, so that the crushing area is concentrated in the middle of the slag crusher. The rotating cutting knives are angularly offset on the periphery of the shaft, so that only one rotating knife and two stationary knives are in engagement at a time.
REFERENCES:
patent: 3897015 (1975-07-01), Suzuki
patent: 4486199 (1984-12-01), Schenone
patent: 4601430 (1986-07-01), Skinner
patent: 4738687 (1988-04-01), Smieskol et al.
patent: 5148996 (1992-09-01), Fletcher et al.
patent: 5454522 (1995-10-01), Ballu
patent: 86/05198 (1986-09-01), None
Patent Abstracts of Japan, vol. 097, No. 008, dated Aug. 29, 1997 & JP 09 095685 A (Babcock Hitachi), dated Apr. 8, 1997.
Gruhlke Wolfram
Ramm Hans-Otto
Metallgesellschaft AG
Norris McLaughlin & Marcus PA
Rosenbaum Mark
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