Cleaning and liquid contact with solids – Processes – Hollow work – internal surface treatment
Patent
1988-11-03
1991-04-30
McFarlane, Anthony
Cleaning and liquid contact with solids
Processes
Hollow work, internal surface treatment
134 2212, B08B 904
Patent
active
050115375
ABSTRACT:
A method for cleaning the interior surface of a Bourdon Tube-type pressure gauge including the steps of inserting a guide tool in a bore of the gauge stem, aligning the guide tool with a port connecting the Bourdon Tube with the bore, inserting a flexible tube through the guide tool and the port and into the Bourdon Tube, and dispensing a fluid to flush the interior surface of the Bourdon Tube.
REFERENCES:
patent: 3000036 (1961-09-01), Benedetti
patent: 3208460 (1965-09-01), Heinicke
Penny William H.
Voegele Gerald G.
McFarlane Anthony
Sci-Med Life Systems, Inc.
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