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Making Internal Molds Of Long, Curved TubesMold material carried to internal weld joint and removed after impression taken. Remotely operated device makes impression mold of interior surface of tube at weld joint. Mold provides indication of extent of mismatch between members at joint. Maneuvered to weld inspected through curved tube 3 in. in diameter by 50 in. long. Readily adapted to making molds to measure depth of corrosion in boiler tubes or other pipes.
Document ID
19890000486
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Burley, Richard K.
(Rockwell International Corp.)
Date Acquired
August 14, 2013
Publication Date
September 1, 1989
Publication Information
Publication: NASA Tech Briefs
Volume: 13
Issue: 9
ISSN: 0145-319X
Subject Category
Fabrication Technology
Report/Patent Number
MFS-29435
Accession Number
89B10486
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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