Fluid handling – Systems – Flow path with serial valves and/or closures
Reexamination Certificate
2004-04-15
2010-02-02
Lee, Kevin L (Department: 3753)
Fluid handling
Systems
Flow path with serial valves and/or closures
C269S309000
Reexamination Certificate
active
07654285
ABSTRACT:
Disclosed is a high-pressure coupling device for directing media such as oil, water, gases, fats, and similar through quick-change systems. Said high-pressure coupling device comprises a bottom part and a top part. The bottom coupling part is provided with a firmly anchored, stiff valve thorn in the form of a valve screw which creates the sealing effect for delivering the medium along with a spring-loaded slide valve sleeve while the top coupling part is provided with a spring-loaded valve plate that creates the sealing effect for the side of the coupling device, which is to be supplied with high-pressure medium, together with a stiff valve body such that a stiff valve element actuates the spring-loaded valve element of the opposite part in the high-pressure coupling device in a valve-actuating manner when the bottom coupling part and the top coupling part are joined.
REFERENCES:
patent: 4763401 (1988-08-01), Marinoni et al.
patent: 4971107 (1990-11-01), Yonezawa
patent: 6644331 (2003-11-01), Arisato
patent: 6860290 (2005-03-01), Knuthson
patent: 32 32 367 (1984-03-01), None
patent: 1 050 363 (2000-04-01), None
Andreas Maier GmbH & Co. KG
Baker & Daniels LLP
Lee Kevin L
LandOfFree
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