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Viewport WiperWiper mechanism devised to remove accumulated powder from viewport of vacuum-plasma-spraying chamber. Major part of mechanism is wiper-arm assembly. Wiper replaceable cloth strip attached to rectangular bar. Left end of wiper-arm assembly attached to vacuum-tight motion-feedthrough joint mounted on wall of chamber. Wiper operated manually by use of joint.
Document ID
19940000272
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Davis, William M. (Rockwell International Corp.)
Daniel, Ronald L., Jr. (Rockwell International Corp.)
Power, Christopher (Rockwell International Corp.)
Date Acquired
August 16, 2013
Publication Date
May 1, 1994
Publication Information
Publication: NASA Tech Briefs
Volume: 18
Issue: 5
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
Report Number: MFS-29898
ISSN: 0145-319X
MFS-29898
Accession Number
94B10272
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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