Valve disc and combination filling device using the valve...

Details Valve disc and combination filling device using the valve... Valve disc and combination filling device using the valve...

2007-02-27

2007-02-27

Mendez, Manuel (Department: 3763)

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

C604S034000

Reexamination Certificate

active

10312010

ABSTRACT:
A valve element including a pair of end faces, at least a part of which is constituted by an elastic material, characterized in that the valve element is provided with a first slit that is opened to a first end face and is not opened to a second end face of the pair of end faces, and a second slit that crosses with the first slit inside the valve element, is opened to the second end face and is not opened to the first end face, and the valve element is deformed such that inner surfaces of the second slit are brought into press contact with each other. This valve element is simple in structure, easy in operation, serviceable for a long period, and capable of preventing leakage of liquid surely.

REFERENCES:
patent: 4610665 (1986-09-01), Matsumoto et al.
patent: 4673393 (1987-06-01), Suzuki et al.
patent: 5354275 (1994-10-01), Behnke et al.
patent: 5738664 (1998-04-01), Erskine et al.
patent: 44-31039 (1969-12-01), None
patent: 2-949 (1990-01-01), None
patent: 10-118178 (1998-05-01), None

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