Valves and valve actuation – With means to increase head and seat contact pressure – Gate valve
Reexamination Certificate
2006-11-14
2006-11-14
Jacyna, J. Casimer (Department: 3751)
Valves and valve actuation
With means to increase head and seat contact pressure
Gate valve
C251S084000, C251S087000, C251S158000, C251S326000, C251S329000, C251S364000, C251S293000
Reexamination Certificate
active
07134642
ABSTRACT:
The invention provides a vacuum gate valve for closing off an opening. The vacuum gate valve can have a valve plate that can be turned so that the alignment of the valve plate will adapt to a valve seat when the valve plate is pressed against the valve seat.
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Jacyna J. Casimer
McGrath, Geissler Olds & Richardson, PLLC
Vat Holding AG
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