Method and apparatus for checking the bonding of a cellular stru

Details Method and apparatus for checking the bonding of a cellular stru Method and apparatus for checking the bonding of a cellular stru

1990-12-10

1992-01-07

Noland, Tom

Measuring and testing

With fluid pressure

Dimension, shape, or size

G01N 3300

Patent

active

050780050

ABSTRACT:
The bonding of a honeycomb structure to a support at one end of the cells of the structure is checked by applying a detector to the opposite end of the cells, the detector comprising first and second compartments which are separated by a partition, supplying compressed air to the first compartment, and measuring the flow of air out of the second compartment by means of a flowmeter connected to an outlet from the second compartment. The flow value measured by the flowmeter enables one to determine whether or not there are any non-bonded areas between the honeycomb structure and the support in the region of the detector.

REFERENCES:
patent: 2694924 (1954-11-01), Matlock et al.
patent: 2842957 (1958-07-01), Bacon, Jr.
patent: 4043179 (1977-08-01), Ingle, Jr.
patent: 4052885 (1977-10-01), Shuck
patent: 4393699 (1983-07-01), Seiler, Jr.

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