Importance

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Abstract

Apparatus for manufacturing a series of samples of a mixture comprises a continuous filter strip on a roll and means for advancing the filter strip along a predetermined guide path. A suction head is located below the guide path and a bell member above the guide path at a point opposite to that of the suction head. The bell member is capable of being raised and lowered so that a portion of the filter strip is sealed between the bell member and suction head when the bell member is in the lowered position. Feeding means are provided through which samples of the mixture are conveyed from a sample vessel, through the bell member and onto the filter strip when the bell member is in the lowered position. A stamping device is located downstream the bell member whereby portions of the filter strip supporting the sample are stamped out in disc form. The disc is received within a receiving vessel. Reagent fluid supplied to the disc through a needle. The needle also conveys the disc from the stamping means to a sample receiving vessel.

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First Claim