Mining or in situ disintegration of hard material – Cutter tooth or tooth head – Cleansing fluid passage
Reexamination Certificate
2011-06-07
2011-06-07
Lagman, Frederick L (Department: 3672)
Mining or in situ disintegration of hard material
Cutter tooth or tooth head
Cleansing fluid passage
C299S081100, C299S043000
Reexamination Certificate
active
07954904
ABSTRACT:
A shearer loader for underground mining, the shear loader comprising a shearer loader body, at least one cutting drum fastened to a supporting arm joined to the loader body, a first drive motor for moving the shearer loader and a second drive motor for moving the cutting drums, a cooling water circuit for cooling the first and second drive motors, the cooling water circuit including an inlet and a return line, a spray system including at least one spray water circuit, the spray system including a feed line fluidly connecting a common water connection to the cutting drums, the spray system further including a valve in the feed line for switching the spray water circuits on and off, a control valve connected between the feed line of the spray water circuit and the return line of the cooling water circuit, the control valve allowing selective flow from the cooling water circuit to be directed to the cutting drums.
REFERENCES:
patent: 3096082 (1963-07-01), Long
patent: 3784256 (1974-01-01), Katlic
patent: 3980338 (1976-09-01), Weber
patent: 4072355 (1978-02-01), Pentith
patent: 4272129 (1981-06-01), Pearey
patent: 4453774 (1984-06-01), Knorr
patent: 4471998 (1984-09-01), Hotger
patent: 4691967 (1987-09-01), Schupphaus
patent: 4753484 (1988-06-01), Stolarczyk et al.
patent: 4896920 (1990-01-01), Weber et al.
patent: 4921306 (1990-05-01), Tomlin
patent: 5054858 (1991-10-01), Harrison
patent: 5114213 (1992-05-01), Kornecki et al.
patent: 5507565 (1996-04-01), LeBegue et al.
patent: 2004/0036346 (2004-02-01), Johannes Klaasse
patent: 2007/0158995 (2007-07-01), Suilmann et al.
patent: 2008/0116734 (2008-05-01), Bechem et al.
patent: 30 20 046 (1981-12-01), None
patent: 32 25 664 (1984-01-01), None
patent: 36 26 135 (1988-02-01), None
patent: 87 15 561 (1988-02-01), None
patent: 37 01 063 (1988-07-01), None
patent: 38 05 659 (1989-09-01), None
patent: 195 37 448 (1996-05-01), None
International Search Report for PCT/EP2007/007287.
English Abstract for DE 38 05 659 A1 to Eickhoff Maschinenfabrik.
English Abstract for DE 195 37 448 A1 to Tiefenbach GmbH.
English Abstract for DE 37 01 063 A1 to Gewerk Eisenhuette Westfalia.
English Abstract or DE 3626135 to Eickhoff Maschinenfabrik.
English Abstract for DE 32 25 664 A1 to Ruhrkohle AG.
English translation of the International Preliminary Report on Patentability and Written Opinion dated Mar. 17, 2009 of International Appln. No. PCT/EP2007/007287, filed Aug. 17, 2007.
Marek Rainer
Mundry Sebastian
Wesselmann Johannes
Bucyrus Europe GmbH
Lagman Frederick L
Rankin , Hill & Clark LLP
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