Chip sampling device

Details Chip sampling device Chip sampling device

1991-10-01

1993-05-18

Raevis, Robert

Measuring and testing

Sampler, sample handling, etc.

Capture device

7386434, 7386383, G01N 100

Patent

active

052110621

ABSTRACT:
A chip sampling device comprising a sampling probe including an outer rotatable tube having an inner tube positioned therein. The upper end of the inner tube is in communication with a source of vacuum so that chips will be drawn into the lower end of the inner tube. The lower end of the inner tube is provided with serrations provided at the lower end thereof while the lower end of the outer tube is provided with serrations and inwardly extending fingers. The rotation of the outer tube and the action of the various serrations and fingers prevents the chips from plugging the lower end of the outer tube or from plugging the lower end of the inner tube.

REFERENCES:
patent: 2167393 (1939-07-01), Muncy
patent: 2492158 (1947-12-01), Compte et al.
patent: 3262318 (1966-07-01), Decker
patent: 3580084 (1971-05-01), Kramer
patent: 4088025 (1978-05-01), Foster et al.
patent: 4616515 (1986-10-01), Dancoine
patent: 4743155 (1988-05-01), Carey et al.
patent: 4936153 (1990-06-01), Klit

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