Limited pressure applicator

Details Limited pressure applicator Limited pressure applicator

1976-04-12

1977-02-08

Kaplan, Morris

Coating apparatus

Solid applicator contacting work

With work-handling or work-supporting

118243, 118506, B05C 102

Patent

active

040067050

ABSTRACT:
A method and apparatus 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.
The apparatus 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.

REFERENCES:
patent: 184736 (1876-11-01), Smyth
patent: 748428 (1903-12-01), Simonson
patent: 1838099 (1931-12-01), Keith
patent: 2902002 (1950-06-01), Burry et al.
patent: 3010427 (1961-11-01), Hautau
patent: 3025830 (1962-03-01), Vierthaler et al.
patent: 3505858 (1970-04-01), Kohn
patent: 3855846 (1974-12-01), Forget et al.
patent: 3863599 (1975-02-01), Kohn

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