Agitating – Having specified feed means – Pump forces material through restriction
Reexamination Certificate
2004-09-01
2010-02-16
Soohoo, Tony G (Department: 1797)
Agitating
Having specified feed means
Pump forces material through restriction
C366S267000
Reexamination Certificate
active
07661873
ABSTRACT:
A homogeniser (1) for the continuous treatment of fluids at very high pressure comprises at least one reciprocating plunger (5) in a compression chamber (6) and a guide chamber (11) from a fluid intake position to a delivery position. Said compression chamber (6) opens into a manifold (27), inside a block (26) from which a delivery pipe (32) and an intake pipe (31) branch off. A first seal unit (21) is housed in the guide chamber (11), a second seal unit (24) is located close to the intersection between the compression chamber (6) and the guide chamber (11) and a third seal unit (35) is positioned upstream and downstream of each valve (28, 29) and the intersection between the manifold (27) and the compression chamber (6).
REFERENCES:
patent: 3707864 (1973-01-01), Pigott et al.
patent: 4233886 (1980-11-01), Balzano et al.
patent: 5579682 (1996-12-01), Bergman et al.
patent: 6162031 (2000-12-01), Tremoulet, Jr.
patent: 6305265 (2001-10-01), Bingham et al.
patent: 1 284 367 (2003-02-01), None
Gandini Marco
Grandi Simone
Ladas & Parry LLP
Niro-Sovai S.p.A.
Soohoo Tony G
LandOfFree
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