Patent Number: 6,309,985

Title: Formable constraining layer system

Abstract: A vibration-damping laminate having a constraining layer secured to a viscoelastic layer. The constraining layer includes a mat of non-thermoplastic fibers. The viscoelastic layer includes a thermoplastic elastomer.

Inventors: Virnelson; R. Craig (Chesterland, OH), Schroeder; Jeffrey J. (Cleveland, OH), Wheeler; Maurice E. (Ashtabula, OH)

Assignee: Soundwich, Inc.

International Classification: B32B 25/00 (20060101); B32B 25/14 (20060101); B32B 027/04 (); B32B 027/12 (); B32B 005/02 ()

Expiration Date: 10/30/2018