Mining or in situ disintegration of hard material – Hard material disintegrating machines – Relatively shiftable cutters
Reexamination Certificate
2006-03-28
2006-03-28
Wilson, Lee D. (Department: 3723)
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Relatively shiftable cutters
Reexamination Certificate
active
07017999
ABSTRACT:
Separating members are provided at both ends in a moving direction of each of workpiece mounting seats of a carriage. Each of the separating members separates an elastic seal blade, which seals an opening portion formed between a side wall portion of a casing body and a top plate, from an outer surface of a workpiece mounting seat.
REFERENCES:
patent: 4013280 (1977-03-01), Chitayat et al.
patent: 6254076 (2001-07-01), Goldin
patent: 6409161 (2002-06-01), Wolff et al.
patent: 7-28444 (1995-06-01), None
patent: 2000-346165 (2000-12-01), None
NSK Ltd.
Wilson Lee D.
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