B - Operations – Transporting – 01 – L
Patent
B - Operations, Transporting
01
L
B01L 3/00 (2006.01) G01N 1/10 (2006.01) G01N 1/14 (2006.01)
Patent
CA 2112672
A sampling device comprises a cylindrical tube (10) with a smaller diameter cylinder (11) at one end thereof in which a plunger (14) is mounted for sliding sealing movement. The inner end of the cylinder is sealed from the interior of the tube by a rupturable element (16), and the plunger (14) has sharp end edge (18) which will rupture the sealing element (16) when the plunger is depressed. The outer end of the plunger is formed with a series of grooves (20) cap- able of retaining a sample. Depression of the plunger breaks the sealing element and carries the sample into the interior of the tube (10) to test its reaction with a reagent previously sealed into the tube. The end of the plunger remote from the sealing element forms a seal in the cylinder. A generally similar arrangement at the opposite end of tube (10) allows a second reagent to be added to the reagent in the tube.
Amersham International Plc
Kirby Eades Gale Baker
Merck Patent Gmbh
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