Method of inspecting a honeycomb structural body for purifying e

Details Method of inspecting a honeycomb structural body for purifying e Method of inspecting a honeycomb structural body for purifying e

1991-02-20

1992-04-07

Nozick, Bernard

Gas separation

Means within gas stream for conducting concentrate to collector

55270, 55523, 73 38, 73 40, B01D 4600

Patent

active

051024349

ABSTRACT:
A method of inspecting an alternately sealed honeycomb structural body is provided which can quickly, efficiently and accurately inspect presence of defects of the honeycomb structural body. The method comprises, flowing particulates in axial direction of the throughholes from one end surface to the other end surface of the honeycomb structural body, catching the particulates on a gas-permeable screen intimately mounted on the other end surface to form a figure of the particulates, and checking the figure to inspect for defects at internal partition walls and sealing portions of the honeycomb structural body.

REFERENCES:
patent: Re31952 (1985-07-01), Wilcox et al.
patent: 2638688 (1953-05-01), Hazelton
patent: 3903727 (1975-09-01), Sweet
patent: 4155247 (1979-05-01), Kaczmarek et al.
patent: 4455180 (1984-06-01), Hillman et al.

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