Classifying – separating – and assorting solids – Sifting – Elements
Reexamination Certificate
2005-08-30
2005-08-30
Walsh, Donald P. (Department: 3653)
Classifying, separating, and assorting solids
Sifting
Elements
C209S405000, C209S408000, C209S413000, C210S386000, C210S388000
Reexamination Certificate
active
06935511
ABSTRACT:
A vibratory separator having a basket with a first side spaced-apart from a second side, screen assembly apparatus mounted in the basket, the screen assembly apparatus having a central portion, a first screen side and a second screen side, central support apparatus connected to the basket and positioned beneath and in contact with the central portion of the screen assembly apparatus, and pressing apparatus on the first side and second side of the basket for pressing down on the first screen side and on the second screen side of the screen assembly apparatus so that the central portion of the screen assembly apparatus is higher than the first screen side and the second screen side.
REFERENCES:
patent: 2774477 (1956-12-01), Pollitz
patent: 3256992 (1966-06-01), Eiling
patent: 4040951 (1977-08-01), Cole
patent: 4224146 (1980-09-01), Kent et al.
patent: 4575421 (1986-03-01), Derrick et al.
patent: 4582597 (1986-04-01), Huber
patent: 4809791 (1989-03-01), Hayatdavoudi
patent: 5265730 (1993-11-01), Norris et al.
patent: 5361911 (1994-11-01), Waites, Sr. et al.
patent: 5615776 (1997-04-01), Bjorklund et al.
patent: 5816413 (1998-10-01), Boccabella et al.
patent: 5971159 (1999-10-01), Leone et al.
patent: 2002/0043485 (2002-04-01), Schulte et al.
patent: 199850301 (1998-06-01), None
patent: 199896986 (1998-08-01), None
patent: 199941160 (1999-07-01), None
patent: 19850612 (2000-06-01), None
patent: 0202863 (1986-05-01), None
patent: 0218315 (1986-06-01), None
patent: 1002588 (1997-02-01), None
patent: 1526663 (1977-04-01), None
patent: 1578948 (1977-10-01), None
patent: 2176424 (1986-06-01), None
patent: 2176425 (1986-06-01), None
patent: 2 176 424 (1986-12-01), None
patent: 2206501 (1987-07-01), None
patent: 2312858 (1997-03-01), None
patent: WO 94 23849 (1994-04-01), None
patent: WO 96/33792 (1996-04-01), None
patent: WO 97/28906 (1997-02-01), None
patent: WO 98/16328 (1997-10-01), None
patent: WO 01/76719 (2001-04-01), None
patent: WO 01/97947 (2001-05-01), None
patent: WO 03/013690 (2002-08-01), None
PCT/GB03/03444 Int'l Search Report, 5 pages; Nov. 28, 2003.
Burnett George Alexander
McClung, III Guy L.
Seyffert Kenneth W.
McClung Guy
Rodriguez Joseph C
Varco I/P Inc.
Walsh Donald P.
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