Valves and valve actuation – With selective flow regulation – Rotary
Reexamination Certificate
2005-11-29
2005-11-29
Look, Edward K. (Department: 3751)
Valves and valve actuation
With selective flow regulation
Rotary
C251S304000, C137S625460
Reexamination Certificate
active
06969045
ABSTRACT:
The present invention relates to valves with small dead volumes. A valve in accordance with the present invention has a ferrule (7) which receives a plurality of fluid lines (33) which lead to outlets on an end surface (25) of said ferrule (7) and a movable selector body (15) which has a fluid groove (37, 37A) on a surface (23) which is in contact with the end surface (25) of said ferrule (7). Means are provided for exerting a clamping force on said ferrule (7) in order to simultaneously clamp all the fluid lines (33).
REFERENCES:
patent: 3477207 (1969-11-01), Auger
patent: 3837360 (1974-09-01), Bubula
patent: 3868970 (1975-03-01), Ayers et al.
patent: 5419208 (1995-05-01), Schick
patent: 5803117 (1998-09-01), Olsen et al.
patent: 6012487 (2000-01-01), Hauck
Kallback Patrik
Kranse Jan
Salvén Owe
Amersham Biosciences AB
Fristoe Jr. John K.
Ji Yonggang
Look Edward K.
Ronning, Jr. Royal N.
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