Stock material or miscellaneous articles – Sheet including cover or casing
Reexamination Certificate
2006-12-26
2008-07-01
Chen, Vivian (Department: 1794)
Stock material or miscellaneous articles
Sheet including cover or casing
C428S044000, C428S047000, C428S076000, C428S323000, C428S195100, C428S212000, C428S480000, C428S482000, C428S483000, C428S421000, C428S422000, C720S698000, C720S716000, C188S378000, C188S379000, C248S638000
Reexamination Certificate
active
07393575
ABSTRACT:
A damper component for absorbing and dissipating vibration and/or noise resonating from a device is provided. The damper component includes a viscoelastic damper layer, and a continuous constraining layer intimately contacting and encasing the damper layer. The constraining layer has a greater stiffness and higher modulus of dynamic shearing elasticity than the damper layer. The constraining layer is a molded sheet molding compound that is substantially immiscible with the viscoelastomer to provide a discrete interface between the constraining layer and the damper layer.
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Berenato White & Stavish
Chen Vivian
Material Sciences Corporation
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