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Low-cost orbiting grinder for cutting ductsLow-cost, portable machine cuts ducts made from heat-treated alloys. An abrasive wheel, powered by a high-speed air motor mounted on an expandible plug against the inner wall of the duct, gives precise cutting.
Document ID
19700000122
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Lang, E. J. (N. AM. ROCKWELL CORP.)
Date Acquired
August 5, 2013
Publication Date
May 1, 1970
Subject Category
Machinery
Report/Patent Number
MFS-20684
Report Number: MFS-20684
Accession Number
70B10126
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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