Proposed method for bending two concentric pipes simultaneously while maintaining void between them replaces present tedious, messy, and labor-intensive method. Array of rubber tubes inserted in gap between concentric pipes. Tubes then inflated with relatively incompressible liquid to fill gap. Enables bending to be done faster and more cleanly, and amenable to automation of significant portion of bending process on computer numerically controlled (CNC) tube-bending machinery.
Improved Method Of Bending Concentric Pipes
NASA Tech Briefs ; 19 , 9
01.09.1995
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Englisch
Improved Method of Bending Concentric Pipes
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