Measuring and testing – Sampler – sample handling – etc. – Capture device
Patent
1992-10-02
1993-09-14
Noland, Tom
Measuring and testing
Sampler, sample handling, etc.
Capture device
7386471, G01N 102, G01N 3300
Patent
active
052438651
ABSTRACT:
Propellable apparatus for use in sampling for the contact transfer of a chemical residue on a surface comprising a frame having shoulders with movable supports at one end thereof and having mounted on the other end a roller having thereon a cylindrical layer of a resilient material with chemical residue contact transfer absorption properties similar to human skin, the roller being pivotably mounted such that a desired constant pressure, based on the weight of the roller, is maintained regardless of pressure applied to the shoulder to propel the apparatus.
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patent: 4848165 (1989-07-01), Bartilson et al.
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patent: 5060527 (1991-10-01), Burgess
Camann David E.
Hsu Jong-Ryng
Villalobos Kevin
Noland Tom
Southwest Research Institute
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