NASA NTRS · 19760024436
Method of making hollow elastomeric bodies
Abstract
Annular elastomeric bodies having intricate shapes are cast by dipping a heated, rotating mandrel into a solution of the elastomer, permitting the elastomer to creep into sharp recesses, drying the coated mandrel and repeating the operation until the desired thickness has been achieved. A bladder for a heart assist pump in which a cylindrical body terminating in flat, sharp horizontal flanges fabricated by this procedure has been subjected to over 2,500 hours of simulated life conditions with no visible signs of degradation.
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Broyles, H. F., Moacanin, J., Cuddihy, E. F.. 1976-08-31. Method of making hollow elastomeric bodies. https://ntrs.nasa.gov/citations/19760024436
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