Patent No. 4,495,795
Issued: January 29,1985
Inventor: Krishna M. Gupta, Ithaca, N.Y.
Assignee: Porous Materials, Inc., Ithaca, N.Y.
An improved sample holder for permeable materials, especially useful in permeameters. The sample holder contains the sample within a pliant sleeve. The sleeve is itself constrained within a constrictor. When pressed into a seat, the constrictor reduces in diameter evenly along its length, holding the sample in the sleeve tightly without gaps for fluid leakage.
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