Honeycomb removal

Details Honeycomb removal Honeycomb removal

2007-11-27

2007-11-27

Ashley, Boyer D. (Department: 3724)

Cutting

Other than completely through work thickness or through work...

Splitting

C083S053000, C083S177000, C134S022180, C451S038000

Reexamination Certificate

active

08327744

ABSTRACT:
Honeycomb removal comprises directing a nozzle at the surface of a substrate at an angle of less than about 90° such that the water will strike the substrate at the base of the honeycomb, parallel to the direction of the ribbon which forms the honeycomb structure. Water then passes through the nozzle and through the orifice at a pressure and flow rate sufficient to remove the honeycomb and preferably the underlying braze from the substrate surface. Relative motion is created between the substrate and the nozzle such that the water stream advances to an area which honeycomb has not been removed with the stream continually being directed at the base of the honeycomb.

REFERENCES:
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patent: 4433845 (1984-02-01), Shiembob
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patent: 4806172 (1989-02-01), Adaci et al.
patent: 5002615 (1991-03-01), McGregor
patent: 5052756 (1991-10-01), Wada et al.
patent: 5167721 (1992-12-01), McComas et al.
patent: 5199342 (1993-04-01), Hediger
patent: 207069 (1986-12-01), None
“Abrasive Waterjets Come of Age”, Machine Design, May 10, 1990.

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