Closure having an array of piercable places

Details Closure having an array of piercable places Closure having an array of piercable places

B - Operations, Transporting

65

D

B65D 47/36 (2006.01) B01L 3/14 (2006.01)

Patent

CA 2130129

Abstract A closure (1) for a reagent container (3) for use in an analytical device in which an automatic pipetting means is used for transferring small quantities of reagent from reagent containers (3) to reaction cells, the pipetting means comprising a pipetting needle (13) automatically guided by a transfer device and having its free open end (19) in a plane at a first acute angle (.theta.) to the longitudinal axis of the pipetting needle, the disclosure (1) being a part moulded in one piece from a plastics and having a cylindrical side wall (4) and a top wall (5) adjacent the side wall. To reduce the requirements on the accuracy of the device conveying the pipetting needle, the closure is characterised in that the central region of the top wall (5) has a perforation zone (16) formed by an arrangement of recesses (11) of equal depth and side by side, and adjacent recesses (11) are separated by a partition (15) forming a sharp edge (17) at its free top end, and the bottom (12) of each recess (11) is pierceable by the automatically guided needle (13) of the pipetting device. Fig. 1

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