Method of recovering and re-cycling water-washable inspection pe

Details Method of recovering and re-cycling water-washable inspection pe Method of recovering and re-cycling water-washable inspection pe

1975-01-13

1976-04-06

Queisser, Richard C.

Measuring and testing

Surface and cutting edge testing

G01N 2116

Patent

active

039480925

ABSTRACT:
In the water-washable inspection penetrant process, a method and means for recovery of used penetrant in which penetrant-coated test parts are spray-washed in a pre-wash stripper step with water saturated with dissolved penetrant liquid. The saturated-water spray removes excess penetrant by the scrubbing action of spray droplets, but it cannot dissolve and deplete penetrant from crack entrapments. The thus-removed excess penetrant may be separated from the pre-wash water by flotation, and may be recovered for re-use. Following the pre-wash stripper-recovery step, the normal process of washing, drying, and inspection is resumed.

REFERENCES:
patent: 3528284 (1970-09-01), Skoglund et al.
patent: 3558882 (1971-01-01), Mlot-Fijalkowski
patent: 3764265 (1973-10-01), Mlot-Fijalkowski

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