Door for a vertical mixer

Agitating – With specified discharge means – Valve or gate

Reexamination Certificate

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Details

C366S196000, C366S314000, C366S603000

Reexamination Certificate

active

06929394

ABSTRACT:
A vertical mixer has a mixing chamber with a vertical auger rotatably mounted therein. The mixing chamber has a side wall and a floor. The side wall has an opening therein that includes part of the floor and is closable by a door. The door includes a segment that is part of the floor when the door is in a closed position. The auger is sized and shaped to partially extend through the opening when the door is open during part of each rotation.

REFERENCES:
patent: 5143221 (1992-09-01), Faccia
patent: 5143449 (1992-09-01), Faccia
patent: 5154510 (1992-10-01), Faccia
patent: 5429436 (1995-07-01), Stone
patent: 5456416 (1995-10-01), Hartwig
patent: 5462354 (1995-10-01), Neier
patent: 5590963 (1997-01-01), Schuler
patent: 5810475 (1998-09-01), St. Ama
patent: 5863122 (1999-01-01), Tamminga
patent: 6328465 (2001-12-01), Tamminga
patent: 6834989 (2004-12-01), Tamminga
patent: 6863433 (2005-03-01), Knight
patent: 2005/0058017 (2005-03-01), Van Der Plas
patent: 2005/0063249 (2005-03-01), Tamminga
patent: 373503 (1990-06-01), None

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