EP 3932557 B1 20231115 - MULTICHANNEL PIPETTE HEAD
Title (en)
MULTICHANNEL PIPETTE HEAD
Title (de)
MEHRKANALPIPETTIERKOPF
Title (fr)
TÊTE DE PIPETAGE À CANAUX MULTIPLES
Publication
Application
Priority
EP 20183723 A 20200702
Abstract (en)
[origin: CN113877647A] A multichannel pipetting head comprises a horizontal plunger actuator comprising at least one groove with an upper boarder, a lower boarder, and a lateral opening; a drive rod for shifting the piston manipulator in the vertical direction, piston-cylinder units, with each comprising a hollow cylinder and a piston which engages therein from above and is sealed relative to the cylinder, said piston engaging with a piston head through the opening into the groove; a guide device which can be moved along a horizontal axis, on each guide device holding the cylinder body and a pin which protrudes downward, is hollow and is connected to a through-hole in the lower end of the cylinder body, wherein each piston head has an extended upper contact position on the upper side, which contacts the upper delimiting portion, and an extended lower contact position on the lower side, which is offset laterally from the upper contact position and contacts the lower delimiting portion.
IPC 8 full level
B01L 3/02 (2006.01)
CPC (source: CN EP US)
B01L 3/021 (2013.01 - CN); B01L 3/0217 (2013.01 - EP); B01L 3/0234 (2013.01 - US); B01L 3/0279 (2013.01 - US); B01L 3/0227 (2013.01 - EP); B01L 2200/022 (2013.01 - EP)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3932557 A1 20220105; EP 3932557 B1 20231115; CN 113877647 A 20220104; CN 113877647 B 20230721; FI 3932557 T3 20231228; JP 2022013767 A 20220118; JP 7346495 B2 20230919; PL 3932557 T3 20240513; US 2022001377 A1 20220106
DOCDB simple family (application)
EP 20183723 A 20200702; CN 202110746775 A 20210702; FI 20183723 T 20200702; JP 2021102610 A 20210621; PL 20183723 T 20200702; US 202117366146 A 20210702