B - Operations – Transporting – 01 – L
Patent
B - Operations, Transporting
01
L
73/103
B01L 1/00 (2006.01) F16K 11/074 (2006.01) G01N 1/00 (2006.01) G01N 1/38 (2006.01)
Patent
CA 1279775
ABSTRACT OF THE DISCLOSURE A liquid diluting and transfer valve having disc like valve elements provided with faces frictionally engaged and further including passageways for passing both sample liquid and rinse liquid, a continuous groove formed in one of the respective faces for effectively isolating the passageway openings to said faces, said groove capable of blocking passage of leakage material along the face to the periphery of the engaged face.
527414
Berra Humberto Antonio
Cabrera Pedro Pablo
Doty Edward Neal
Borden Ladner Gervais Llp
Coulter International Corp.
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