Fluent material handling – with receiver or receiver coacting mea – Filling means with receiver or receiver coacting means – Receiver actuated discharge means
Reexamination Certificate
2006-09-26
2006-09-26
Maust, Timothy L. (Department: 3751)
Fluent material handling, with receiver or receiver coacting mea
Filling means with receiver or receiver coacting means
Receiver actuated discharge means
C141S114000, C141S361000, C141S025000, C138S030000, C137S505200, C220S530000
Reexamination Certificate
active
07111653
ABSTRACT:
An expansion tank (1) which is intended to be connected to a pipe system which is filled or is to be filled with liquid, comprises a substantially closed tank (2) having at least a first connection opening (6) for connection to a liquid pipe, a second connection opening for connection to a source of pressurized gas (14), and an element (8) which can move inside the tank and is designed to move with the interface (11) between liquid (9) and gas (10) in the tank. The tank is provided, at the location of the second connection opening, with a valve assembly (7) which can open and close the second connection opening and can be actuated by the movable element (8) in the tank.
REFERENCES:
patent: 3929163 (1975-12-01), Schon
patent: 4732319 (1988-03-01), Schurter et al.
patent: 21 51 905 (1973-04-01), None
patent: 29 22 302 (1980-12-01), None
patent: 85 33 612.2 (1986-04-01), None
Cnossen Jan Henk
Kemper Dimitri Wasil
Postma Jan
Timmerman Jan Hendrik
Browdy and Neimark PLLC
Flamco B.V.
Maust Timothy L.
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