Bi-metal disc brake rotor and method of manufacturing
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United States of America Patent
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Aug 17, 2010
Grant Date -
Mar 15, 2007
app pub date -
May 25, 2006
filing date -
Sep 15, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The invention provides a method for manufacturing a friction damped disc brake rotor, including the steps of: (A) positioning at least one insert into a mold, wherein the insert has a body with tabs extending therefrom to hold the insert in a desired position within the mold; and (B) casting a rotor cheek of the disc brake rotor in the mold around the insert such that a portion of each tab is bonded with the rotor cheek and the body is substantially non-bonded with the rotor cheek so that the body provides a proper interfacial boundary with the cheek for damping while the bonding of the tabs with the rotor cheek prevents corrosion-causing exterior elements from reaching the interfacial boundary.
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