Kullenberg piston corer

Kullenberg piston corer

[′kəl·ən‚bərg ′pis·tən ‚kȯr·ər]
(mechanical engineering)
A piston-operated coring device used to obtain 2-inch-diameter (5-centimeter) core samples.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.