Coating processes – Medical or dental purpose product; parts; subcombinations;... – Particulate or unit-dosage-article base
Patent
1976-04-12
1978-04-25
Smith, Ronald H.
Coating processes
Medical or dental purpose product; parts; subcombinations;...
Particulate or unit-dosage-article base
118243, 118401, 118506, 427256, 427401, A76B 1900
Patent
active
040863727
ABSTRACT:
A method for applying an organic liquid sample such as blood or the like onto an absorbent sample support. The method includes the steps of filling a reservoir with a relatively massive sample, superimposing over the reservoir a sample carrier wettable by the sample and to which the sample adheres by surface tension, then immersing the sample carrier into the sample, withdrawing the sample carrier from the reservoir with the sample adhered to the carrier by surface tension, and, contacting the sample carrier with the sample support to break surface tension between the sample and the sample carrier and to deposit the sample onto the sample support.
An apparatus utilizing the method includes a reservoir for receiving a relatively massive sample, a first guide path aligned with the reservoir, and a sample carrier displaceable along said first guide path toward and away from the reservoir with the sample carrier being immersible in the sample. The sample carrier is displaced along the first path to removably immerse the carrier into the sample with the sample adhering to the sample carrier by surface tension. The apparatus also includes a base having a second guide path aligned therewith and the sample carrier is displaced along the second guide path to removably contact the sample carrier with a sample support to break the surface tension between the sample and the sample carrier to deposit the sample on the sample support.
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patent: 3855846 (1974-12-01), Forget et al.
patent: 4004548 (1977-01-01), Smola et al.
Golias Tipton L.
Mayes David G.
Bell Janyce A.
Helena Laboratories Corporation
Smith Ronald H.
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