Cap for reagent container

摘要

Closure cap for a vessel containing reagents has a closable cover with an angled and bistable hinge to give an opening action in a side and upwards swing movement. The lid has one or more structures (4) to be used by an apparatus to open and close the cap cover. The cap (1) has one or more centering units (5), to fix the position of the reagent vessel in the analysis apparatus. In an Independent claim the indicating reagent is taken from the vessel by a pipette, and the cover is opened and closed for the pipette access. After each reagent extraction, the pipette is cleaned in a washing station. Preferred Features: The cover is opened and closed by a mechanical system. The cover has a projection which, in the closed position, engages in a recess as a ratchet lock, and gives a pressure sealing between the cover and the upper edge of the reagent vessel. The cover has an inner sealing insert, of an elastic material, with contours to hold it axially in the cap. It has sealing lips between the cap and the cover and between the cap and the opening into the vessel. The sealing insert has structures (8) within the cap, to allow cap rotation on the reagent vessel, and give an effective seal with reagent vessels having openings of different shapes. The angled hinge at the cap (1) secures the cover in the open and closed positions. The cap (1) has a marking such as a barcode to show a given cap orientation on the vessel. The reagent vessels for a given test have caps of the same color. The cap is made of one or more thermoplastics.