NASA NTRS · 19940000029
Muffling Hammer Blows In A Workshop
Abstract
Sound-deadening bags placed on hammered workpieces. Useful in many workshop situations. Fabricated easily and inexpensively. Bags filled with particles of sand, metal shot, plastic, or glass, then sewn or molded shut. Tailored to fit special configurations of some workpieces. Devices used to deaden print rollers and to reduce vibrations in main-injector inlet manifold of rocket engine.
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Thiele, Alfred W., Gilbert, Jeffrey L., Gutow, David A.. 1994-01-01. Muffling Hammer Blows In A Workshop. https://ntrs.nasa.gov/citations/19940000029
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