Repositionable mask for ultrasonic inspection

Details Repositionable mask for ultrasonic inspection Repositionable mask for ultrasonic inspection

2007-07-31

2007-07-31

Williams, Hezron (Department: 2856)

Measuring and testing

Vibration

By mechanical waves

C073S627000

Reexamination Certificate

active

11001317

ABSTRACT:
Methods and apparatus are provided for protecting an acoustic liner having a perforated facesheet from water leakage during a through-transmission ultrasonic (TTU) inspection using an ultrasonic squirter system. The apparatus comprises a repositionable mask that covers the openings in the perforated facesheet. The repositionable mask is comprised of a pressure sensitive adhesive that adheres to the surface of the perforated facesheet. The repositionable mask can be removed after completing a TTU inspection and can be reused for subsequent TTU tests with minimal adverse effects on the mask or on the facesheet. For ease in handling, the repositionable mask may be configured with a semi-rigid backing carrier.

REFERENCES:
patent: 5001932 (1991-03-01), Light et al.
patent: 5684252 (1997-11-01), Kessler et al.
patent: 5736470 (1998-04-01), Schneberger et al.
patent: 6085591 (2000-07-01), Mallard
patent: 6591680 (2003-07-01), Batzinger et al.
patent: 2003/0087201 (2003-05-01), Wu

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