Abrading – Precision device or process - or with condition responsive... – With feeding of tool or work holder
Reexamination Certificate
2006-02-21
2006-02-21
Nguyen, Dung Van (Department: 3723)
Abrading
Precision device or process - or with condition responsive...
With feeding of tool or work holder
C451S014000, C125S013010
Reexamination Certificate
active
07001247
ABSTRACT:
To prevent a blowout nozzle from colliding with a workpiece due to a trouble of a backpressure sensor so as to avoid damage to the workpiece in a processing apparatus provided with a backpressure sensor, the backpressure sensor is formed capable of being freely moved at the blowout nozzle thereof in the air blowout direction and in the direction opposite thereto, and provided with a free-movement detecting sensor adapted to detect an actual free-movement of the blowout nozzle.
REFERENCES:
patent: 6602110 (2003-08-01), Yi et al.
patent: 6676491 (2004-01-01), Arai et al.
patent: 2001/0029938 (2001-10-01), Arai et al.
patent: 2001-298003 (2001-10-01), None
Disco Corporation
Nguyen Dung Van
Wenderoth , Lind & Ponack, L.L.P.
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